#!/usr/bin/env python2

 # -*- coding: utf-8 -*-

 ## --------------------------------------------------------------------
 ## s3cmd - S3 client
 ##
 ## Authors   : Michal Ludvig and contributors
 ## Copyright : TGRMN Software - http://www.tgrmn.com - and contributors
 ## Website   : http://s3tools.org
 ## License   : GPL Version 2
 ## --------------------------------------------------------------------
 ## This program is free software; you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
 ## the Free Software Foundation; either version 2 of the License, or
 ## (at your option) any later version.
 ## This program is distributed in the hope that it will be useful,
 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 ## GNU General Public License for more details.
 ## --------------------------------------------------------------------

 from __future__ import absolute_import, print_function, division

 import sys

 if float("%d.%d" %(sys.version_info[0], sys.version_info[1])) < 2.6:
     sys.stderr.write(u"ERROR: Python 2.6 or higher required, sorry.\n")

     sys.exit(EX_OSFILE)

 import logging
 import time

 import os
 import re

 import errno

 import glob

 import traceback

 import codecs

 import locale

 import subprocess

 try:
     import htmlentitydefs
 except:

     # python 3 support

     import html.entities as htmlentitydefs

 try:
     unicode
 except NameError:
     # python 3 support
     # In python 3, unicode -> str, and str -> bytes
     unicode = str
 

 import socket

 import shutil

 import tempfile

 from copy import copy

 from optparse import OptionParser, Option, OptionValueError, IndentedHelpFormatter

 from logging import debug, info, warning, error

 from distutils.spawn import find_executable

 from ssl import SSLError

 import io

 def output(message):

     sys.stdout.write(message + "\n")

     sys.stdout.flush()

 def check_args_type(args, type, verbose_type):

     """NOTE: This function looks like to not be used."""

     for arg in args:
         if S3Uri(arg).type != type:
             raise ParameterError("Expecting %s instead of '%s'" % (verbose_type, arg))

 def cmd_du(args):

     s3 = S3(Config())
     if len(args) > 0:
         uri = S3Uri(args[0])
         if uri.type == "s3" and uri.has_bucket():
             subcmd_bucket_usage(s3, uri)

             return EX_OK

     subcmd_bucket_usage_all(s3)

     return EX_OK

 
 def subcmd_bucket_usage_all(s3):

     """
     Returns: sum of bucket sizes as integer
     Raises: S3Error
     """

     response = s3.list_all_buckets()
 
     buckets_size = 0
     for bucket in response["list"]:
         size = subcmd_bucket_usage(s3, S3Uri("s3://" + bucket["Name"]))
         if size != None:
             buckets_size += size
     total_size, size_coeff = formatSize(buckets_size, Config().human_readable_sizes)
     total_size_str = str(total_size) + size_coeff
     output(u"".rjust(8, "-"))
     output(u"%s Total" % (total_size_str.ljust(8)))

     return size

 
 def subcmd_bucket_usage(s3, uri):

     """
     Returns: bucket size as integer
     Raises: S3Error
     """

     bucket_size = 0

     object_count = 0

     extra_info = u''

 
     bucket = uri.bucket()
     prefix = uri.object()

     try:

         for _, _, objects in s3.bucket_list_streaming(bucket, prefix=prefix, recursive=True):

             for obj in objects:

                 bucket_size += int(obj["Size"])

                 object_count += 1

     except S3Error as e:

         if e.info["Code"] in S3.codes:

             error(S3.codes[e.info["Code"]] % bucket)

         raise

     except KeyboardInterrupt as e:

         extra_info = u' [interrupted]'

     total_size, size_coeff = formatSize(bucket_size, Config().human_readable_sizes)
     total_size_str = str(total_size) + size_coeff

     output(u"%s %s objects %s%s" % (total_size_str.ljust(8), object_count, uri, extra_info))

     return bucket_size

 def cmd_ls(args):

     s3 = S3(Config())
     if len(args) > 0:
         uri = S3Uri(args[0])
         if uri.type == "s3" and uri.has_bucket():

             subcmd_bucket_list(s3, uri, cfg.limit)

             return EX_OK

 
     # If not a s3 type uri or no bucket was provided, list all the buckets
     subcmd_all_buckets_list(s3)

     return EX_OK

 def subcmd_all_buckets_list(s3):
 
     response = s3.list_all_buckets()
 

     for bucket in sorted(response["list"], key=lambda b:b["Name"]):

         output(u"%s  s3://%s" % (formatDateTime(bucket["CreationDate"]),
                                  bucket["Name"]))
 
 def cmd_all_buckets_list_all_content(args):

     s3 = S3(Config())

     response = s3.list_all_buckets()

     for bucket in response["list"]:

         subcmd_bucket_list(s3, S3Uri("s3://" + bucket["Name"]), cfg.limit)

         output(u"")

     return EX_OK

 def subcmd_bucket_list(s3, uri, limit):

     bucket = uri.bucket()
     prefix = uri.object()
 
     debug(u"Bucket 's3://%s':" % bucket)
     if prefix.endswith('*'):
         prefix = prefix[:-1]
     try:

         response = s3.bucket_list(bucket, prefix = prefix, limit = limit)

     except S3Error as e:

         if e.info["Code"] in S3.codes:

             error(S3.codes[e.info["Code"]] % bucket)

         raise

     if cfg.long_listing:
         format_string = u"%(timestamp)16s %(size)9s%(coeff)1s  %(md5)32s  %(storageclass)s  %(uri)s"
     elif cfg.list_md5:

         format_string = u"%(timestamp)16s %(size)9s%(coeff)1s  %(md5)32s  %(uri)s"
     else:
         format_string = u"%(timestamp)16s %(size)9s%(coeff)1s  %(uri)s"
 
     for prefix in response['common_prefixes']:
         output(format_string % {
             "timestamp": "",
             "size": "DIR",
             "coeff": "",
             "md5": "",

             "storageclass": "",

             "uri": uri.compose_uri(bucket, prefix["Prefix"])})
 
     for object in response["list"]:

         md5 = object.get('ETag', '').strip('"\'')

         storageclass = object.get('StorageClass','')

         if cfg.list_md5:

             if '-' in md5: # need to get md5 from the object

                 object_uri = uri.compose_uri(bucket, object["Key"])
                 info_response = s3.object_info(S3Uri(object_uri))
                 try:
                     md5 = info_response['s3cmd-attrs']['md5']
                 except KeyError:
                     pass
 

         size, size_coeff = formatSize(object["Size"], Config().human_readable_sizes)
         output(format_string % {
             "timestamp": formatDateTime(object["LastModified"]),
             "size" : str(size),
             "coeff": size_coeff,

             "md5" : md5,

             "storageclass" : storageclass,

             "uri": uri.compose_uri(bucket, object["Key"]),
             })

     if response["truncated"]:
         warning(u"The list is truncated because the settings limit was reached.")
 

 def cmd_bucket_create(args):

     s3 = S3(Config())
     for arg in args:
         uri = S3Uri(arg)
         if not uri.type == "s3" or not uri.has_bucket() or uri.has_object():
             raise ParameterError("Expecting S3 URI with just the bucket name set instead of '%s'" % arg)
         try:
             response = s3.bucket_create(uri.bucket(), cfg.bucket_location)
             output(u"Bucket '%s' created" % uri.uri())

         except S3Error as e:

             if e.info["Code"] in S3.codes:

                 error(S3.codes[e.info["Code"]] % uri.bucket())

             raise
     return EX_OK

 def cmd_website_info(args):

     s3 = S3(Config())
     for arg in args:
         uri = S3Uri(arg)
         if not uri.type == "s3" or not uri.has_bucket() or uri.has_object():
             raise ParameterError("Expecting S3 URI with just the bucket name set instead of '%s'" % arg)
         try:
             response = s3.website_info(uri, cfg.bucket_location)
             if response:
                 output(u"Bucket %s: Website configuration" % uri.uri())
                 output(u"Website endpoint: %s" % response['website_endpoint'])
                 output(u"Index document:   %s" % response['index_document'])
                 output(u"Error document:   %s" % response['error_document'])
             else:
                 output(u"Bucket %s: Unable to receive website configuration." % (uri.uri()))

         except S3Error as e:

             if e.info["Code"] in S3.codes:

                 error(S3.codes[e.info["Code"]] % uri.bucket())

             raise
     return EX_OK

 
 def cmd_website_create(args):

     s3 = S3(Config())
     for arg in args:
         uri = S3Uri(arg)
         if not uri.type == "s3" or not uri.has_bucket() or uri.has_object():
             raise ParameterError("Expecting S3 URI with just the bucket name set instead of '%s'" % arg)
         try:
             response = s3.website_create(uri, cfg.bucket_location)
             output(u"Bucket '%s': website configuration created." % (uri.uri()))

         except S3Error as e:

             if e.info["Code"] in S3.codes:

                 error(S3.codes[e.info["Code"]] % uri.bucket())

             raise
     return EX_OK

 
 def cmd_website_delete(args):

     s3 = S3(Config())
     for arg in args:
         uri = S3Uri(arg)
         if not uri.type == "s3" or not uri.has_bucket() or uri.has_object():
             raise ParameterError("Expecting S3 URI with just the bucket name set instead of '%s'" % arg)
         try:
             response = s3.website_delete(uri, cfg.bucket_location)
             output(u"Bucket '%s': website configuration deleted." % (uri.uri()))

         except S3Error as e:

             if e.info["Code"] in S3.codes:

                 error(S3.codes[e.info["Code"]] % uri.bucket())

             raise
     return EX_OK

 def cmd_expiration_set(args):
     s3 = S3(Config())
     for arg in args:
         uri = S3Uri(arg)
         if not uri.type == "s3" or not uri.has_bucket() or uri.has_object():
             raise ParameterError("Expecting S3 URI with just the bucket name set instead of '%s'" % arg)
         try:
             response = s3.expiration_set(uri, cfg.bucket_location)
             if response["status"] is 200:
                 output(u"Bucket '%s': expiration configuration is set." % (uri.uri()))
             elif response["status"] is 204:
                 output(u"Bucket '%s': expiration configuration is deleted." % (uri.uri()))

         except S3Error as e:

             if e.info["Code"] in S3.codes:

                 error(S3.codes[e.info["Code"]] % uri.bucket())

             raise
     return EX_OK

 def cmd_bucket_delete(args):

     def _bucket_delete_one(uri, retry=True):

         try:
             response = s3.bucket_delete(uri.bucket())

             output(u"Bucket '%s' removed" % uri.uri())

         except S3Error as e:

             if e.info['Code'] == 'NoSuchBucket':
                 if cfg.force:
                     return EX_OK
                 else:

                     raise

             if e.info['Code'] == 'BucketNotEmpty' and retry and (cfg.force or cfg.recursive):

                 warning(u"Bucket is not empty. Removing all the objects from it first. This may take some time...")

                 rc = subcmd_batch_del(uri_str = uri.uri())
                 if rc == EX_OK:

                     return _bucket_delete_one(uri, False)

                 else:
                     output(u"Bucket was not removed")

             elif e.info["Code"] in S3.codes:

                 error(S3.codes[e.info["Code"]] % uri.bucket())

             raise
         return EX_OK

 
     s3 = S3(Config())
     for arg in args:
         uri = S3Uri(arg)
         if not uri.type == "s3" or not uri.has_bucket() or uri.has_object():
             raise ParameterError("Expecting S3 URI with just the bucket name set instead of '%s'" % arg)

         rc = _bucket_delete_one(uri)
         if rc != EX_OK:
             return rc
     return EX_OK

 def cmd_object_put(args):

     cfg = Config()
     s3 = S3(cfg)
 
     if len(args) == 0:
         raise ParameterError("Nothing to upload. Expecting a local file or directory and a S3 URI destination.")
 
     ## Normalize URI to convert s3://bkt to s3://bkt/ (trailing slash)
     destination_base_uri = S3Uri(args.pop())
     if destination_base_uri.type != 's3':
         raise ParameterError("Destination must be S3Uri. Got: %s" % destination_base_uri)

     destination_base = destination_base_uri.uri()

 
     if len(args) == 0:
         raise ParameterError("Nothing to upload. Expecting a local file or directory.")
 

     local_list, single_file_local, exclude_list, total_size_local = fetch_local_list(args, is_src = True)

 
     local_count = len(local_list)
 
     info(u"Summary: %d local files to upload" % local_count)
 

     if local_count == 0:
         raise ParameterError("Nothing to upload.")
 

     if local_count > 0:

         if not single_file_local and '-' in local_list.keys():
             raise ParameterError("Cannot specify multiple local files if uploading from '-' (ie stdin)")

         elif single_file_local and local_list.keys()[0] == "-" and destination_base.endswith("/"):
             raise ParameterError("Destination S3 URI must not end with '/' when uploading from stdin.")
         elif not destination_base.endswith("/"):

             if not single_file_local:
                 raise ParameterError("Destination S3 URI must end with '/' (ie must refer to a directory on the remote side).")

             local_list[local_list.keys()[0]]['remote_uri'] = destination_base

         else:
             for key in local_list:

                 local_list[key]['remote_uri'] = destination_base + key

 
     if cfg.dry_run:
         for key in exclude_list:

             output(u"exclude: %s" % key)

         for key in local_list:

             if key != "-":

                 nicekey = local_list[key]['full_name']

             else:
                 nicekey = "<stdin>"

             output(u"upload: '%s' -> '%s'" % (nicekey, local_list[key]['remote_uri']))

         warning(u"Exiting now because of --dry-run")

         return EX_OK

 
     seq = 0

     ret = EX_OK

     for key in local_list:
         seq += 1
 
         uri_final = S3Uri(local_list[key]['remote_uri'])
 
         extra_headers = copy(cfg.extra_headers)
         full_name_orig = local_list[key]['full_name']
         full_name = full_name_orig
         seq_label = "[%d of %d]" % (seq, local_count)
         if Config().encrypt:

             gpg_exitcode, full_name, extra_headers["x-amz-meta-s3tools-gpgenc"] = gpg_encrypt(full_name_orig)

         attr_header = _build_attr_header(local_list, key)
         debug(u"attr_header: %s" % attr_header)
         extra_headers.update(attr_header)

         try:
             response = s3.object_put(full_name, uri_final, extra_headers, extra_label = seq_label)

         except S3UploadError as exc:

             error(u"Upload of '%s' failed too many times (Last reason: %s)" % (full_name_orig, exc))

             if cfg.stop_on_error:

                 ret = EX_DATAERR

                 error(u"Exiting now because of --stop-on-error")

                 break

             ret = EX_PARTIAL

             continue

         except InvalidFileError as exc:

             error(u"Upload of '%s' is not possible (Reason: %s)" % (full_name_orig, exc))

             ret = EX_PARTIAL

             if cfg.stop_on_error:

                 ret = EX_OSFILE

                 error(u"Exiting now because of --stop-on-error")

                 break

             continue

         if response is not None:
             speed_fmt = formatSize(response["speed"], human_readable = True, floating_point = True)
             if not Config().progress_meter:

                 if full_name_orig != "-":
                     nicekey = full_name_orig
                 else:
                     nicekey = "<stdin>"

                 output(u"upload: '%s' -> '%s' (%d bytes in %0.1f seconds, %0.2f %sB/s) %s" %

                        (nicekey, uri_final, response["size"], response["elapsed"],

                         speed_fmt[0], speed_fmt[1], seq_label))

         if Config().acl_public:
             output(u"Public URL of the object is: %s" %

                    (uri_final.public_url()))

         if Config().encrypt and full_name != full_name_orig:

             debug(u"Removing temporary encrypted file: %s" % full_name)

             os.remove(deunicodise(full_name))

     return ret

 
 def cmd_object_get(args):

     cfg = Config()
     s3 = S3(cfg)
 
     ## Check arguments:
     ## if not --recursive:
     ##   - first N arguments must be S3Uri
     ##   - if the last one is S3 make current dir the destination_base
     ##   - if the last one is a directory:
     ##       - take all 'basenames' of the remote objects and
     ##         make the destination name be 'destination_base'+'basename'
     ##   - if the last one is a file or not existing:
     ##       - if the number of sources (N, above) == 1 treat it
     ##         as a filename and save the object there.
     ##       - if there's more sources -> Error
     ## if --recursive:
     ##   - first N arguments must be S3Uri
     ##       - for each Uri get a list of remote objects with that Uri as a prefix
     ##       - apply exclude/include rules
     ##       - each list item will have MD5sum, Timestamp and pointer to S3Uri
     ##         used as a prefix.

     ##   - the last arg may be '-' (stdout)

     ##   - the last arg may be a local directory - destination_base
     ##   - if the last one is S3 make current dir the destination_base
     ##   - if the last one doesn't exist check remote list:
     ##       - if there is only one item and its_prefix==its_name
     ##         download that item to the name given in last arg.
     ##       - if there are more remote items use the last arg as a destination_base
     ##         and try to create the directory (incl. all parents).
     ##
     ## In both cases we end up with a list mapping remote object names (keys) to local file names.
 
     ## Each item will be a dict with the following attributes
     # {'remote_uri', 'local_filename'}
     download_list = []
 
     if len(args) == 0:
         raise ParameterError("Nothing to download. Expecting S3 URI.")
 
     if S3Uri(args[-1]).type == 'file':
         destination_base = args.pop()
     else:
         destination_base = "."
 
     if len(args) == 0:
         raise ParameterError("Nothing to download. Expecting S3 URI.")
 

     remote_list, exclude_list, remote_total_size = fetch_remote_list(args, require_attribs = False)

 
     remote_count = len(remote_list)
 
     info(u"Summary: %d remote files to download" % remote_count)
 
     if remote_count > 0:

         if destination_base == "-":
             ## stdout is ok for multiple remote files!
             for key in remote_list:
                 remote_list[key]['local_filename'] = "-"

         elif not os.path.isdir(deunicodise(destination_base)):

             ## We were either given a file name (existing or not)

             if remote_count > 1:

                 raise ParameterError("Destination must be a directory or stdout when downloading multiple sources.")

             remote_list[remote_list.keys()[0]]['local_filename'] = destination_base

         elif os.path.isdir(deunicodise(destination_base)):

             if destination_base[-1] != os.path.sep:
                 destination_base += os.path.sep
             for key in remote_list:

                 local_filename = destination_base + key
                 if os.path.sep != "/":
                     local_filename = os.path.sep.join(local_filename.split("/"))

                 remote_list[key]['local_filename'] = local_filename

         else:
             raise InternalError("WTF? Is it a dir or not? -- %s" % destination_base)
 
     if cfg.dry_run:
         for key in exclude_list:

             output(u"exclude: %s" % key)

         for key in remote_list:

             output(u"download: '%s' -> '%s'" % (remote_list[key]['object_uri_str'], remote_list[key]['local_filename']))

         warning(u"Exiting now because of --dry-run")

         return EX_OK

 
     seq = 0

     ret = EX_OK

     for key in remote_list:
         seq += 1
         item = remote_list[key]
         uri = S3Uri(item['object_uri_str'])
         ## Encode / Decode destination with "replace" to make sure it's compatible with current encoding
         destination = unicodise_safe(item['local_filename'])
         seq_label = "[%d of %d]" % (seq, remote_count)
 
         start_position = 0
 
         if destination == "-":
             ## stdout

             dst_stream = io.open(sys.__stdout__.fileno(), mode='wb', closefd=False)
             dst_stream.stream_name = u'<stdout>'

             file_exists = True

         else:
             ## File
             try:

                 file_exists = os.path.exists(deunicodise(destination))

                 try:

                     dst_stream = io.open(deunicodise(destination), mode='ab')
                     dst_stream.stream_name = destination

                 except IOError as e:

                     if e.errno == errno.ENOENT:
                         basename = destination[:destination.rindex(os.path.sep)]
                         info(u"Creating directory: %s" % basename)

                         os.makedirs(deunicodise(basename))

                         dst_stream = io.open(deunicodise(destination), mode='ab')
                         dst_stream.stream_name = destination

                     else:
                         raise
                 if file_exists:
                     if Config().get_continue:
                         start_position = dst_stream.tell()
                     elif Config().force:

                         start_position = 0
                         dst_stream.seek(0)

                         dst_stream.truncate()
                     elif Config().skip_existing:
                         info(u"Skipping over existing file: %s" % (destination))
                         continue
                     else:
                         dst_stream.close()
                         raise ParameterError(u"File %s already exists. Use either of --force / --continue / --skip-existing or give it a new name." % destination)

             except IOError as e:

                 error(u"Skipping %s: %s" % (destination, e.strerror))
                 continue

         try:

             try:
                 response = s3.object_get(uri, dst_stream, destination, start_position = start_position, extra_label = seq_label)
             finally:
                 dst_stream.close()

         except S3DownloadError as e:

             error(u"%s: Skipping that file.  This is usually a transient error, please try again later." % e)
             if not file_exists: # Delete, only if file didn't exist before!
                 debug(u"object_get failed for '%s', deleting..." % (destination,))

                 os.unlink(deunicodise(destination))

                 ret = EX_PARTIAL
                 if cfg.stop_on_error:

                     ret = EX_DATAERR

                     break

             continue

         except S3Error as e:

             if not file_exists: # Delete, only if file didn't exist before!
                 debug(u"object_get failed for '%s', deleting..." % (destination,))

                 os.unlink(deunicodise(destination))

             raise

         if "x-amz-meta-s3tools-gpgenc" in response["headers"]:

             gpg_decrypt(destination, response["headers"]["x-amz-meta-s3tools-gpgenc"])

             response["size"] = os.stat(deunicodise(destination))[6]

         if "last-modified" in response["headers"] and destination != "-":

             last_modified = time.mktime(time.strptime(response["headers"]["last-modified"], "%a, %d %b %Y %H:%M:%S GMT"))

             os.utime(deunicodise(destination), (last_modified, last_modified))

             debug("set mtime to %s" % last_modified)

         if not Config().progress_meter and destination != "-":
             speed_fmt = formatSize(response["speed"], human_readable = True, floating_point = True)

             output(u"download: '%s' -> '%s' (%d bytes in %0.1f seconds, %0.2f %sB/s)" %

                 (uri, destination, response["size"], response["elapsed"], speed_fmt[0], speed_fmt[1]))

         if Config().delete_after_fetch:
             s3.object_delete(uri)

             output(u"File '%s' removed after fetch" % (uri))

     return EX_OK

 
 def cmd_object_del(args):

     recursive = Config().recursive

     for uri_str in args:
         uri = S3Uri(uri_str)
         if uri.type != "s3":
             raise ParameterError("Expecting S3 URI instead of '%s'" % uri_str)
         if not uri.has_object():

             if recursive and not Config().force:

                 raise ParameterError("Please use --force to delete ALL contents of %s" % uri_str)

             elif not recursive:

                 raise ParameterError("File name required, not only the bucket name. Alternatively use --recursive")

 
         if not recursive:

             rc = subcmd_object_del_uri(uri_str)

         elif Config().exclude or Config().include or cfg.max_delete > 0:

             # subcmd_batch_del_iterative does not support file exclusion and can't
             # accurately know how many total files will be deleted, so revert to batch delete.

             rc = subcmd_batch_del(uri_str = uri_str)

         else:

             rc = subcmd_batch_del_iterative(uri_str = uri_str)

         if not rc:
             return rc
     return EX_OK

 def subcmd_batch_del_iterative(uri_str = None, bucket = None):

     """ Streaming version of batch deletion (doesn't realize whole list in memory before deleting).

 
     Differences from subcmd_batch_del:

       - Does not obey --exclude directives or obey cfg.max_delete (use subcmd_batch_del in those cases)

     """

     if bucket and uri_str:
         raise ValueError("Pass only one of uri_str or bucket")
     if bucket: # bucket specified
         uri_str = "s3://%s" % bucket
     s3 = S3(cfg)
     uri = S3Uri(uri_str)
     bucket = uri.bucket()
 

     deleted_bytes = deleted_count = 0

     for _, _, to_delete in s3.bucket_list_streaming(bucket, prefix=uri.object(), recursive=True):

         if not to_delete:
             continue

         if not cfg.dry_run:
             response = s3.object_batch_delete_uri_strs([uri.compose_uri(bucket, item['Key']) for item in to_delete])

         deleted_bytes += sum(int(item["Size"]) for item in to_delete)
         deleted_count += len(to_delete)

         output('\n'.join(u"delete: '%s'" % uri.compose_uri(bucket, p['Key']) for p in to_delete))

     if deleted_count:

         # display summary data of deleted files

         if cfg.stats:
             stats_info = StatsInfo()
             stats_info.files_deleted = deleted_count
             stats_info.size_deleted = deleted_bytes
             output(stats_info.format_output())
         else:
             total_size, size_coeff = formatSize(deleted_bytes, Config().human_readable_sizes)
             total_size_str = str(total_size) + size_coeff
             info(u"Deleted %s objects (%s) from %s" % (deleted_count, total_size_str, uri))
     else:
         warning(u"Remote list is empty.")

 
     return EX_OK

 def subcmd_batch_del(uri_str = None, bucket = None, remote_list = None):

     """
     Returns: EX_OK
     Raises: ValueError
     """
 

     def _batch_del(remote_list):
         s3 = S3(cfg)
         to_delete = remote_list[:1000]
         remote_list = remote_list[1000:]
         while len(to_delete):
             debug(u"Batch delete %d, remaining %d" % (len(to_delete), len(remote_list)))
             if not cfg.dry_run:
                 response = s3.object_batch_delete(to_delete)

             output('\n'.join((u"delete: '%s'" % to_delete[p]['object_uri_str']) for p in to_delete))

             to_delete = remote_list[:1000]
             remote_list = remote_list[1000:]

     if remote_list is not None and len(remote_list) == 0:
         return False
 

     if len([item for item in [uri_str, bucket, remote_list] if item]) != 1:
         raise ValueError("One and only one of 'uri_str', 'bucket', 'remote_list' can be specified.")
 

     if bucket: # bucket specified

         uri_str = "s3://%s" % bucket

     if remote_list is None: # uri_str specified

         remote_list, exclude_list, remote_total_size = fetch_remote_list(uri_str, require_attribs = False)

     if len(remote_list) == 0:
         warning(u"Remote list is empty.")

         return EX_OK

 
     if cfg.max_delete > 0 and len(remote_list) > cfg.max_delete:
         warning(u"delete: maximum requested number of deletes would be exceeded, none performed.")

         return EX_OK

     _batch_del(remote_list)

     if cfg.dry_run:
         warning(u"Exiting now because of --dry-run")

     return EX_OK

 def subcmd_object_del_uri(uri_str, recursive = None):

     """
     Returns: True if XXX, False if XXX
     Raises: ValueError
     """

     s3 = S3(cfg)

     if recursive is None:
         recursive = cfg.recursive

     remote_list, exclude_list, remote_total_size = fetch_remote_list(uri_str, require_attribs = False, recursive = recursive)

     remote_count = len(remote_list)

     info(u"Summary: %d remote files to delete" % remote_count)

     if cfg.max_delete > 0 and remote_count > cfg.max_delete:
         warning(u"delete: maximum requested number of deletes would be exceeded, none performed.")

         return False

     if cfg.dry_run:
         for key in exclude_list:

             output(u"exclude: %s" % key)

         for key in remote_list:
             output(u"delete: %s" % remote_list[key]['object_uri_str'])

         warning(u"Exiting now because of --dry-run")

         return True

     for key in remote_list:
         item = remote_list[key]
         response = s3.object_delete(S3Uri(item['object_uri_str']))

         output(u"delete: '%s'" % item['object_uri_str'])

     return True

 def cmd_object_restore(args):
     s3 = S3(cfg)

     if cfg.restore_days < 1:
         raise ParameterError("You must restore a file for 1 or more days")
 

     # accept case-insensitive argument but fix it to match S3 API
     if cfg.restore_priority.title() not in ['Standard', 'Expedited', 'Bulk']:
         raise ParameterError("Valid restoration priorities: bulk, standard, expedited")
     else:
         cfg.restore_priority = cfg.restore_priority.title()
 

     remote_list, exclude_list, remote_total_size = fetch_remote_list(args, require_attribs = False, recursive = cfg.recursive)

 
     remote_count = len(remote_list)
 

     info(u"Summary: Restoring %d remote files for %d days at %s priority" % (remote_count, cfg.restore_days, cfg.restore_priority))

 
     if cfg.dry_run:
         for key in exclude_list:

             output(u"exclude: %s" % key)

         for key in remote_list:

             output(u"restore: '%s'" % remote_list[key]['object_uri_str'])

 
         warning(u"Exiting now because of --dry-run")

         return EX_OK

 
     for key in remote_list:
         item = remote_list[key]

         uri = S3Uri(item['object_uri_str'])
         if not item['object_uri_str'].endswith("/"):

             try:
                 response = s3.object_restore(S3Uri(item['object_uri_str']))
                 output(u"restore: '%s'" % item['object_uri_str'])

             except S3Error as e:

                 if e.code == "RestoreAlreadyInProgress":
                     warning("%s: %s" % (e.message, item['object_uri_str']))
                 else:
                     raise e

         else:
             debug(u"Skipping directory since only files may be restored")

     return EX_OK

 def subcmd_cp_mv(args, process_fce, action_str, message):

     if action_str != 'modify' and len(args) < 2:

         raise ParameterError("Expecting two or more S3 URIs for " + action_str)

     if action_str == 'modify' and len(args) < 1:
         raise ParameterError("Expecting one or more S3 URIs for " + action_str)
     if action_str != 'modify':
         dst_base_uri = S3Uri(args.pop())
     else:
         dst_base_uri = S3Uri(args[-1])
 

     scoreboard = ExitScoreboard()

     if dst_base_uri.type != "s3":
         raise ParameterError("Destination must be S3 URI. To download a file use 'get' or 'sync'.")
     destination_base = dst_base_uri.uri()
 

     remote_list, exclude_list, remote_total_size = fetch_remote_list(args, require_attribs = False)

 
     remote_count = len(remote_list)
 
     info(u"Summary: %d remote files to %s" % (remote_count, action_str))
 

     if not destination_base.endswith('/'):
         # Trying to mv dir1/ to dir2 will not pass a test in S3.FileLists,
         # so we don't need to test for it here.
         if len(remote_list) > 1 or cfg.recursive:

            raise ParameterError("Destination must be a directory and end with '/' when acting on a folder content or on multiple sources.")

     if cfg.recursive:
         for key in remote_list:
             remote_list[key]['dest_name'] = destination_base + key
     else:

         for key in remote_list:
             if destination_base.endswith("/"):
                 remote_list[key]['dest_name'] = destination_base + key
             else:
                 remote_list[key]['dest_name'] = destination_base

 
     if cfg.dry_run:
         for key in exclude_list:

             output(u"exclude: %s" % key)

         for key in remote_list:

             output(u"%s: '%s' -> '%s'" % (action_str, remote_list[key]['object_uri_str'], remote_list[key]['dest_name']))

         warning(u"Exiting now because of --dry-run")

         return EX_OK

 
     seq = 0
     for key in remote_list:
         seq += 1
         seq_label = "[%d of %d]" % (seq, remote_count)
 
         item = remote_list[key]
         src_uri = S3Uri(item['object_uri_str'])
         dst_uri = S3Uri(item['dest_name'])
 
         extra_headers = copy(cfg.extra_headers)

         try:
             response = process_fce(src_uri, dst_uri, extra_headers)
             output(message % { "src" : src_uri, "dst" : dst_uri })
             if Config().acl_public:
                 info(u"Public URL is: %s" % dst_uri.public_url())

             scoreboard.success()

         except S3Error as e:

             if e.code == "NoSuchKey":
                 scoreboard.notfound()

                 warning(u"Key not found %s" % item['object_uri_str'])
             else:

                 scoreboard.failed()
             if cfg.stop_on_error: break

     return scoreboard.rc()

 def cmd_cp(args):

     s3 = S3(Config())

     return subcmd_cp_mv(args, s3.object_copy, "copy", u"remote copy: '%(src)s' -> '%(dst)s'")

 def cmd_modify(args):
     s3 = S3(Config())

     return subcmd_cp_mv(args, s3.object_modify, "modify", u"modify: '%(src)s'")

 def cmd_mv(args):

     s3 = S3(Config())

     return subcmd_cp_mv(args, s3.object_move, "move", u"move: '%(src)s' -> '%(dst)s'")

 def cmd_info(args):

     s3 = S3(Config())
 
     while (len(args)):
         uri_arg = args.pop(0)
         uri = S3Uri(uri_arg)
         if uri.type != "s3" or not uri.has_bucket():
             raise ParameterError("Expecting S3 URI instead of '%s'" % uri_arg)
 
         try:
             if uri.has_object():
                 info = s3.object_info(uri)
                 output(u"%s (object):" % uri.uri())
                 output(u"   File size: %s" % info['headers']['content-length'])
                 output(u"   Last mod:  %s" % info['headers']['last-modified'])

                 output(u"   MIME type: %s" % info['headers'].get('content-type', 'none'))

                 output(u"   Storage:   %s" % info['headers'].get('x-amz-storage-class', 'STANDARD'))

                 md5 = info['headers'].get('etag', '').strip('"\'')

                 try:
                     md5 = info['s3cmd-attrs']['md5']
                 except KeyError:
                     pass
                 output(u"   MD5 sum:   %s" % md5)

                 if 'x-amz-server-side-encryption' in info['headers']:

                     output(u"   SSE:       %s" % info['headers']['x-amz-server-side-encryption'])
                 else:

                     output(u"   SSE:       none")

             else:
                 info = s3.bucket_info(uri)
                 output(u"%s (bucket):" % uri.uri())
                 output(u"   Location:  %s" % info['bucket-location'])

                 output(u"   Payer:     %s" % info['requester-pays'])

                 expiration = s3.expiration_info(uri, cfg.bucket_location)
                 if expiration:

                     expiration_desc = "Expiration Rule: "
                     if expiration['prefix'] == "":
                         expiration_desc += "all objects in this bucket "
                     else:
                         expiration_desc += "objects with key prefix '" + expiration['prefix'] + "' "
                     expiration_desc += "will expire in '"
                     if expiration['days']:
                         expiration_desc += expiration['days'] + "' day(s) after creation"
                     elif expiration['date']:
                         expiration_desc += expiration['date'] + "' "
                     output(u"   %s" % expiration_desc)

                 else:

                     output(u"   Expiration Rule: none")

             try:
                 policy = s3.get_policy(uri)

                 output(u"   policy:    %s" % policy)

             except S3Error as exc:
                 # Ignore the exception and don't fail the info
                 # if the server doesn't support setting ACLs
                 if exc.status not in [404, 501]:
                     raise exc

                 output(u"   policy:    none")

             try:
                 cors = s3.get_cors(uri)
                 output(u"   cors:      %s" % cors)

             except S3Error as exc:
                 # Ignore the exception and don't fail the info
                 # if the server doesn't support setting ACLs
                 if exc.status not in [404, 501]:
                     raise exc
                 output(u"   cors:    none")

             try:
                 acl = s3.get_acl(uri)
                 acl_grant_list = acl.getGrantList()
                 for grant in acl_grant_list:
                     output(u"   ACL:       %s: %s" % (grant['grantee'], grant['permission']))
                 if acl.isAnonRead():
                     output(u"   URL:       %s" % uri.public_url())
             except S3Error as exc:
                 # Ignore the exception and don't fail the info
                 # if the server doesn't support setting ACLs
                 if exc.status not in [404, 501]:
                     raise exc

             if uri.has_object():

                 # Temporary hack for performance + python3 compatibility
                 try:
                     # Check python 2 first
                     info_headers_iter = info['headers'].iteritems()
                 except:
                     info_headers_iter = info['headers'].items()
                 for header, value in info_headers_iter:

                     if header.startswith('x-amz-meta-'):
                         output(u"   %s: %s" % (header, value))
 

         except S3Error as e:

             if e.info["Code"] in S3.codes:

                 error(S3.codes[e.info["Code"]] % uri.bucket())

             raise
     return EX_OK

 def filedicts_to_keys(*args):
     keys = set()
     for a in args:
         keys.update(a.keys())
     keys = list(keys)
     keys.sort()
     return keys
 

 def cmd_sync_remote2remote(args):

     s3 = S3(Config())
 
     # Normalise s3://uri (e.g. assert trailing slash)

     destination_base = S3Uri(args[-1]).uri()

     destbase_with_source_list = set()
     for source_arg in args[:-1]:
         if source_arg.endswith('/'):
             destbase_with_source_list.add(destination_base)
         else:
             destbase_with_source_list.add(os.path.join(destination_base,
                                                   os.path.basename(source_arg)))
 

     stats_info = StatsInfo()
 
     src_list, src_exclude_list, remote_total_size = fetch_remote_list(args[:-1], recursive = True, require_attribs = True)
     dst_list, dst_exclude_list, _ = fetch_remote_list(destbase_with_source_list, recursive = True, require_attribs = True)

 
     src_count = len(src_list)

     orig_src_count = src_count

     dst_count = len(dst_list)

     deleted_count = 0

 
     info(u"Found %d source files, %d destination files" % (src_count, dst_count))
 

     src_list, dst_list, update_list, copy_pairs = compare_filelists(src_list, dst_list, src_remote = True, dst_remote = True)

 
     src_count = len(src_list)

     update_count = len(update_list)

     dst_count = len(dst_list)
 

     print(u"Summary: %d source files to copy, %d files at destination to delete" % (src_count + update_count, dst_count))

     ### Populate 'target_uri' only if we've got something to sync from src to dst
     for key in src_list:
         src_list[key]['target_uri'] = destination_base + key
     for key in update_list:
         update_list[key]['target_uri'] = destination_base + key

 
     if cfg.dry_run:

         keys = filedicts_to_keys(src_exclude_list, dst_exclude_list)
         for key in keys:

             output(u"exclude: %s" % key)

         if cfg.delete_removed:
             for key in dst_list:

                 output(u"delete: '%s'" % dst_list[key]['object_uri_str'])

         for key in src_list:

             output(u"remote copy: '%s' -> '%s'" % (src_list[key]['object_uri_str'], src_list[key]['target_uri']))
         for key in update_list:
             output(u"remote copy: '%s' -> '%s'" % (update_list[key]['object_uri_str'], update_list[key]['target_uri']))

         warning(u"Exiting now because of --dry-run")

         return EX_OK

     # if there are copy pairs, we can't do delete_before, on the chance
     # we need one of the to-be-deleted files as a copy source.
     if len(copy_pairs) > 0:
         cfg.delete_after = True
 

     if cfg.delete_removed and orig_src_count == 0 and len(dst_list) and not cfg.force:

         warning(u"delete: cowardly refusing to delete because no source files were found.  Use --force to override.")
         cfg.delete_removed = False
 

     # Delete items in destination that are not in source

     if cfg.delete_removed and not cfg.delete_after:

         subcmd_batch_del(remote_list = dst_list)

         deleted_count = len(dst_list)

     def _upload(src_list, seq, src_count):
         file_list = src_list.keys()
         file_list.sort()

         ret = EX_OK

         total_nb_files = 0
         total_size = 0

         for file in file_list:
             seq += 1
             item = src_list[file]
             src_uri = S3Uri(item['object_uri_str'])
             dst_uri = S3Uri(item['target_uri'])
             seq_label = "[%d of %d]" % (seq, src_count)
             extra_headers = copy(cfg.extra_headers)
             try:
                 response = s3.object_copy(src_uri, dst_uri, extra_headers)

                 output("remote copy: '%(src)s' -> '%(dst)s'" % { "src" : src_uri, "dst" : dst_uri })

                 total_nb_files += 1
                 total_size += item.get(u'size', 0)

             except S3Error as e:

                 ret = EX_PARTIAL

                 error("File '%(src)s' could not be copied: %(e)s" % { "src" : src_uri, "e" : e })

                 if cfg.stop_on_error:
                     raise

         return ret, seq, total_nb_files, total_size

 
     # Perform the synchronization of files
     timestamp_start = time.time()
     seq = 0

     ret, seq, nb_files, size = _upload(src_list, seq, src_count + update_count)
     total_files_copied = nb_files
     total_size_copied = size
 
     status, seq, nb_files, size = _upload(update_list, seq, src_count + update_count)

     if ret == EX_OK:
         ret = status

     total_files_copied += nb_files
     total_size_copied += size
 
 

     n_copied, bytes_saved, failed_copy_files = remote_copy(s3, copy_pairs, destination_base)

     total_files_copied += n_copied
     total_size_copied += bytes_saved

 
     #process files not copied

     debug("Process files that were not remote copied")

     failed_copy_count = len (failed_copy_files)

     for key in failed_copy_files:
         failed_copy_files[key]['target_uri'] = destination_base + key

     status, seq, nb_files, size = _upload(failed_copy_files, seq, src_count + update_count + failed_copy_count)

     if ret == EX_OK:
         ret = status

     total_files_copied += nb_files
     total_size_copied += size
 
     # Delete items in destination that are not in source
     if cfg.delete_removed and cfg.delete_after:
         subcmd_batch_del(remote_list = dst_list)
         deleted_count = len(dst_list)
 
     stats_info.files = orig_src_count
     stats_info.size = remote_total_size
     stats_info.files_copied = total_files_copied
     stats_info.size_copied = total_size_copied
     stats_info.files_deleted = deleted_count

     total_elapsed = max(1.0, time.time() - timestamp_start)

     outstr = "Done. Copied %d files in %0.1f seconds, %0.2f files/s." % (total_files_copied, total_elapsed, seq / total_elapsed)

     if cfg.stats:
         outstr += stats_info.format_output()
         output(outstr)
     elif seq > 0:

         output(outstr)
     else:
         info(outstr)

     return ret

 def cmd_sync_remote2local(args):

     def _do_deletes(local_list):

         total_size = 0

         if cfg.max_delete > 0 and len(local_list) > cfg.max_delete:
             warning(u"delete: maximum requested number of deletes would be exceeded, none performed.")

             return total_size

         for key in local_list:

             os.unlink(deunicodise(local_list[key]['full_name']))

             output(u"delete: '%s'" % local_list[key]['full_name'])

             total_size += local_list[key].get(u'size', 0)
         return len(local_list), total_size

 
     s3 = S3(Config())
 

     destination_base = args[-1]

     source_args = args[:-1]
     fetch_source_args = args[:-1]
 
     if not destination_base.endswith(os.path.sep):
         if fetch_source_args[0].endswith(u'/') or len(fetch_source_args) > 1:
             raise ParameterError("Destination must be a directory and end with '/' when downloading multiple sources.")
 

     stats_info = StatsInfo()
 
     remote_list, src_exclude_list, remote_total_size = fetch_remote_list(fetch_source_args, recursive = True, require_attribs = True)

 
     # - The source path is either like "/myPath/my_src_folder" and
     # the user want to download this single folder and Optionally only delete
     # things that have been removed inside this folder. For this case, we only
     # have to look inside destination_base/my_src_folder and not at the root of
     # destination_base.
     # - Or like "/myPath/my_src_folder/" and the user want to have the sync
     # with the content of this folder
     destbase_with_source_list = set()

     for source_arg in fetch_source_args:
         if source_arg.endswith('/'):
             if destination_base.endswith(os.path.sep):
                 destbase_with_source_list.add(destination_base)

             else:

                 destbase_with_source_list.add(destination_base + os.path.sep)
         else:
             destbase_with_source_list.add(os.path.join(destination_base,

                                                       os.path.basename(source_arg)))

     local_list, single_file_local, dst_exclude_list, local_total_size = fetch_local_list(destbase_with_source_list, is_src = False, recursive = True)

     local_count = len(local_list)
     remote_count = len(remote_list)

     orig_remote_count = remote_count

 
     info(u"Found %d remote files, %d local files" % (remote_count, local_count))
 

     remote_list, local_list, update_list, copy_pairs = compare_filelists(remote_list, local_list, src_remote = True, dst_remote = False)

 
     local_count = len(local_list)
     remote_count = len(remote_list)

     update_count = len(update_list)

     copy_pairs_count = len(copy_pairs)

     info(u"Summary: %d remote files to download, %d local files to delete, %d local files to hardlink" % (remote_count + update_count, local_count, copy_pairs_count))

     def _set_local_filename(remote_list, destination_base, source_args):

         if len(remote_list) == 0:
             return

 
         if destination_base.endswith(os.path.sep):
             if not os.path.exists(deunicodise(destination_base)):
                 if not cfg.dry_run:
                     os.makedirs(deunicodise(destination_base))
             if not os.path.isdir(deunicodise(destination_base)):
                 raise ParameterError("Destination is not an existing directory")
         elif len(remote_list) == 1 and \
              source_args[0] == remote_list[remote_list.keys()[0]].get(u'object_uri_str', ''):
             if os.path.isdir(deunicodise(destination_base)):
                 raise ParameterError("Destination already exists and is a directory")
             remote_list[remote_list.keys()[0]]['local_filename'] = destination_base
             return
 
         if destination_base[-1] != os.path.sep:
             destination_base += os.path.sep
         for key in remote_list:
             local_filename = destination_base + key
             if os.path.sep != "/":
                 local_filename = os.path.sep.join(local_filename.split("/"))
             remote_list[key]['local_filename'] = local_filename

     _set_local_filename(remote_list, destination_base, source_args)
     _set_local_filename(update_list, destination_base, source_args)

     if cfg.dry_run:

         keys = filedicts_to_keys(src_exclude_list, dst_exclude_list)
         for key in keys:

             output(u"exclude: %s" % key)

         if cfg.delete_removed:
             for key in local_list:

                 output(u"delete: '%s'" % local_list[key]['full_name'])

         for key in remote_list:

             output(u"download: '%s' -> '%s'" % (remote_list[key]['object_uri_str'], remote_list[key]['local_filename']))

         for key in update_list:

             output(u"download: '%s' -> '%s'" % (update_list[key]['object_uri_str'], update_list[key]['local_filename']))

         warning(u"Exiting now because of --dry-run")

         return EX_OK

     # if there are copy pairs, we can't do delete_before, on the chance
     # we need one of the to-be-deleted files as a copy source.
     if len(copy_pairs) > 0:
         cfg.delete_after = True
 

     if cfg.delete_removed and orig_remote_count == 0 and len(local_list) and not cfg.force:

         warning(u"delete: cowardly refusing to delete because no source files were found.  Use --force to override.")
         cfg.delete_removed = False
 

     if cfg.delete_removed and not cfg.delete_after:

         deleted_count, deleted_size = _do_deletes(local_list)
     else:
         deleted_count, deleted_size = (0, 0)

     def _download(remote_list, seq, total, total_size, dir_cache):

         original_umask = os.umask(0);
         os.umask(original_umask);

         file_list = remote_list.keys()
         file_list.sort()

         ret = EX_OK

         for file in file_list:
             seq += 1
             item = remote_list[file]
             uri = S3Uri(item['object_uri_str'])
             dst_file = item['local_filename']

             is_empty_directory = dst_file.endswith('/')

             seq_label = "[%d of %d]" % (seq, total)

 
             dst_dir = unicodise(os.path.dirname(deunicodise(dst_file)))

             if not dst_dir in dir_cache:

                 dir_cache[dst_dir] = Utils.mkdir_with_parents(dst_dir)
             if dir_cache[dst_dir] == False:
                 if cfg.stop_on_error:
                     error(u"Exiting now because of --stop-on-error")
                     raise OSError("Download of '%s' failed (Reason: %s destination directory is not writable)" % (file, dst_dir))
                 error(u"Download of '%s' failed (Reason: %s destination directory is not writable)" % (file, dst_dir))
                 ret = EX_PARTIAL
                 continue
 

             try:

                 chkptfname_b = ''

                 if not is_empty_directory: # ignore empty directory at S3:
                     debug(u"dst_file=%s" % dst_file)
                     # create temporary files (of type .s3cmd.XXXX.tmp) in the same directory
                     # for downloading and then rename once downloaded

                     # unicode provided to mkstemp argument
                     chkptfd, chkptfname_b = tempfile.mkstemp(u".tmp", u".s3cmd.",
                                                            os.path.dirname(dst_file))
                     with io.open(chkptfd, mode='wb') as dst_stream:
                         dst_stream.stream_name = unicodise(chkptfname_b)
                         debug(u"created chkptfname=%s" % dst_stream.stream_name)
                         response = s3.object_get(uri, dst_stream, dst_file, extra_label = seq_label)
 

                     # download completed, rename the file to destination

                     if os.name == "nt":
                         # Windows is really a bad OS. Rename can't overwrite an existing file
                         try:
                             os.unlink(deunicodise(dst_file))
                         except OSError:
                             pass

                     os.rename(chkptfname_b, deunicodise(dst_file))
                     debug(u"renamed chkptfname=%s to dst_file=%s" % (dst_stream.stream_name, dst_file))

             except OSError as exc:

                 allow_partial = True
 
                 if exc.errno == errno.EISDIR:
                     error(u"Download of '%s' failed (Reason: %s is a directory)" % (file, dst_file))
                 elif os.name != "nt" and exc.errno == errno.ETXTBSY:
                     error(u"Download of '%s' failed (Reason: %s is currently open for execute, cannot be overwritten)" % (file, dst_file))
                 elif exc.errno == errno.EPERM or exc.errno == errno.EACCES:
                     error(u"Download of '%s' failed (Reason: %s permission denied)" % (file, dst_file))
                 elif exc.errno == errno.EBUSY:
                     error(u"Download of '%s' failed (Reason: %s is busy)" % (file, dst_file))
                 elif exc.errno == errno.EFBIG:
                     error(u"Download of '%s' failed (Reason: %s is too big)" % (file, dst_file))
                 elif exc.errno == errno.ENAMETOOLONG:
                     error(u"Download of '%s' failed (Reason: File Name is too long)" % file)
 
                 elif (exc.errno == errno.ENOSPC or (os.name != "nt" and exc.errno == errno.EDQUOT)):
                     error(u"Download of '%s' failed (Reason: No space left)" % file)
                     allow_partial = False
                 else:
                     error(u"Download of '%s' failed (Reason: Unknown OsError %d)" % (file, exc.errno))
                     allow_partial = False
 
                 try:
                     # Try to remove the temp file if it exists

                     if chkptfname_b:
                         os.unlink(chkptfname_b)

                 except:
                     pass
 
                 if allow_partial and not cfg.stop_on_error:

                     ret = EX_PARTIAL

                     continue

                 ret = EX_OSFILE

                 if allow_partial:
                     error(u"Exiting now because of --stop-on-error")
                 else:
                     error(u"Exiting now because of fatal error")

                 raise

             except S3DownloadError as exc:

                 error(u"Download of '%s' failed too many times (Last Reason: %s). "
                       "This is usually a transient error, please try again "
                       "later." % (file, exc))

                 try:

                     os.unlink(chkptfname_b)

                 except Exception as sub_exc:

                     warning(u"Error deleting temporary file %s (Reason: %s)",
                             (dst_stream.stream_name, sub_exc))

                 if cfg.stop_on_error:
                     ret = EX_DATAERR
                     error(u"Exiting now because of --stop-on-error")
                     raise
                 ret = EX_PARTIAL
                 continue

             except S3Error as exc:

                 warning(u"Remote file '%s'. S3Error: %s" % (exc.resource, exc))

                 try:

                     os.unlink(chkptfname_b)

                 except Exception as sub_exc:

                     warning(u"Error deleting temporary file %s (Reason: %s)",
                             (dst_stream.stream_name, sub_exc))

                 if cfg.stop_on_error:

                     raise

                 ret = EX_PARTIAL
                 continue

             try:
                 # set permissions on destination file
                 if not is_empty_directory: # a normal file

                     mode = 0o777 - original_umask;

                 else: # an empty directory, make them readable/executable

                     mode = 0o775

                 debug(u"mode=%s" % oct(mode))
                 os.chmod(deunicodise(dst_file), mode);
             except:
                 raise
 
             # because we don't upload empty directories,
             # we can continue the loop here, we won't be setting stat info.
             # if we do start to upload empty directories, we'll have to reconsider this.
             if is_empty_directory:
                 continue

             try:

                 if 's3cmd-attrs' in response and cfg.preserve_attrs:

                     attrs = response['s3cmd-attrs']

                     if 'mode' in attrs:

                         os.chmod(deunicodise(dst_file), int(attrs['mode']))

                     if 'mtime' in attrs or 'atime' in attrs:
                         mtime = ('mtime' in attrs) and int(attrs['mtime']) or int(time.time())
                         atime = ('atime' in attrs) and int(attrs['atime']) or int(time.time())

                         os.utime(deunicodise(dst_file), (atime, mtime))

                     if 'uid' in attrs and 'gid' in attrs:

                         uid = int(attrs['uid'])
                         gid = int(attrs['gid'])
                         os.lchown(deunicodise(dst_file),uid,gid)

                 elif 'last-modified' in response['headers']:

                     last_modified = time.mktime(time.strptime(response["headers"]["last-modified"], "%a, %d %b %Y %H:%M:%S GMT"))
                     os.utime(deunicodise(dst_file), (last_modified, last_modified))
                     debug("set mtime to %s" % last_modified)

             except OSError as e:

                 ret = EX_PARTIAL
                 if e.errno == errno.EEXIST:
                     warning(u"%s exists - not overwriting" % dst_file)
                     continue
                 if e.errno in (errno.EPERM, errno.EACCES):
                     warning(u"%s not writable: %s" % (dst_file, e.strerror))

                     if cfg.stop_on_error:

                         raise e

                     continue

                 raise e
             except KeyboardInterrupt:
                 warning(u"Exiting after keyboard interrupt")
                 return

             except Exception as e:

                 ret = EX_PARTIAL

                 error(u"%s: %s" % (file, e))

                 if cfg.stop_on_error:

                     raise OSError(e)

                 continue

             finally:
                 try:
                     os.remove(chkptfname_b)
                 except:
                     pass
 

             speed_fmt = formatSize(response["speed"], human_readable = True, floating_point = True)
             if not Config().progress_meter:

                 output(u"download: '%s' -> '%s' (%d bytes in %0.1f seconds, %0.2f %sB/s) %s" %

                     (uri, dst_file, response["size"], response["elapsed"], speed_fmt[0], speed_fmt[1],

                     seq_label))
             total_size += response["size"]

             if Config().delete_after_fetch:
                 s3.object_delete(uri)
                 output(u"File '%s' removed after syncing" % (uri))

         return ret, seq, total_size

     size_transferred = 0

     total_elapsed = 0.0
     timestamp_start = time.time()
     dir_cache = {}
     seq = 0

     ret, seq, size_transferred = _download(remote_list, seq, remote_count + update_count, size_transferred, dir_cache)
     status, seq, size_transferred = _download(update_list, seq, remote_count + update_count, size_transferred, dir_cache)

     if ret == EX_OK:
         ret = status

     n_copies, size_copies, failed_copy_list = local_copy(copy_pairs, destination_base)

     _set_local_filename(failed_copy_list, destination_base, source_args)

     status, seq, size_transferred = _download(failed_copy_list, seq, len(failed_copy_list) + remote_count + update_count, size_transferred, dir_cache)

     if ret == EX_OK:
         ret = status

     if cfg.delete_removed and cfg.delete_after:
         deleted_count, deleted_size = _do_deletes(local_list)
 

     total_elapsed = max(1.0, time.time() - timestamp_start)

     speed_fmt = formatSize(size_transferred / total_elapsed, human_readable = True, floating_point = True)

 
     stats_info.files = orig_remote_count
     stats_info.size = remote_total_size
     stats_info.files_transferred = len(failed_copy_list) + remote_count + update_count
     stats_info.size_transferred = size_transferred
     stats_info.files_copied = n_copies
     stats_info.size_copied = size_copies
     stats_info.files_deleted = deleted_count
     stats_info.size_deleted = deleted_size

 
     # Only print out the result if any work has been done or
     # if the user asked for verbose output

     outstr = "Done. Downloaded %d bytes in %0.1f seconds, %0.2f %sB/s." % (size_transferred, total_elapsed, speed_fmt[0], speed_fmt[1])
     if cfg.stats:
         outstr += stats_info.format_output()
         output(outstr)
     elif size_transferred > 0:

         output(outstr)
     else:
         info(outstr)

     return ret

 def local_copy(copy_pairs, destination_base):
     # Do NOT hardlink local files by default, that'd be silly
     # For instance all empty files would become hardlinked together!

     saved_bytes = 0

     failed_copy_list = FileDict()

     for (src_obj, dst1, relative_file) in copy_pairs:

         src_file = os.path.join(destination_base, dst1)
         dst_file = os.path.join(destination_base, relative_file)

         dst_dir = os.path.dirname(deunicodise(dst_file))

         try:

             if not os.path.isdir(deunicodise(dst_dir)):

                 debug("MKDIR %s" % dst_dir)

                 os.makedirs(deunicodise(dst_dir))

             debug(u"Copying %s to %s" % (src_file, dst_file))

             shutil.copy2(deunicodise(src_file), deunicodise(dst_file))

             saved_bytes += src_obj.get(u'size', 0)

         except (IOError, OSError) as e:

             warning(u'Unable to copy or hardlink files %s -> %s (Reason: %s)' % (src_file, dst_file, e))

             failed_copy_list[relative_file] = src_obj

     return len(copy_pairs), saved_bytes, failed_copy_list

 def remote_copy(s3, copy_pairs, destination_base):

     saved_bytes = 0

     failed_copy_list = FileDict()

     for (src_obj, dst1, dst2) in copy_pairs:

         debug(u"Remote Copying from %s to %s" % (dst1, dst2))

         dst1_uri = S3Uri(destination_base + dst1)
         dst2_uri = S3Uri(destination_base + dst2)

         extra_headers = copy(cfg.extra_headers)
         try:

             s3.object_copy(dst1_uri, dst2_uri, extra_headers)

             saved_bytes += src_obj.get(u'size', 0)

             output(u"remote copy: '%s' -> '%s'" % (dst1, dst2))

         except:

             warning(u"Unable to remote copy files '%s' -> '%s'" % (dst1_uri, dst2_uri))

             failed_copy_list[dst2] = src_obj

     return (len(copy_pairs), saved_bytes, failed_copy_list)

 def _build_attr_header(local_list, src):
     attrs = {}

     if cfg.preserve_attrs:
         for attr in cfg.preserve_attrs_list:
             if attr == 'uname':
                 try:

                     val = Utils.urlencode_string(Utils.getpwuid_username(local_list[src]['uid']), unicode_output=True)

                 except (KeyError, TypeError):
                     attr = "uid"
                     val = local_list[src].get('uid')
                     if val:
                         warning(u"%s: Owner username not known. Storing UID=%d instead." % (src, val))
             elif attr == 'gname':
                 try:

                     val = Utils.urlencode_string(Utils.getgrgid_grpname(local_list[src].get('gid')), unicode_output=True)

                 except (KeyError, TypeError):
                     attr = "gid"
                     val = local_list[src].get('gid')
                     if val:
                         warning(u"%s: Owner groupname not known. Storing GID=%d instead." % (src, val))
             elif attr != "md5":
                 try:
                     val = getattr(local_list[src]['sr'], 'st_' + attr)
                 except:
                     val = None
             if val is not None:
                 attrs[attr] = val

     if 'md5' in cfg.preserve_attrs_list:
         try:
             val = local_list.get_md5(src)
             if val is not None:
                 attrs['md5'] = val
         except IOError:
             pass
 
     if attrs:
         result = ""

         for k in sorted(attrs.keys()):

             result += "%s:%s/" % (k, attrs[k])
         return {'x-amz-meta-s3cmd-attrs' : result[:-1]}
     else:
         return {}

 def cmd_sync_local2remote(args):

     def _single_process(source_args):

         for dest in destinations:
             ## Normalize URI to convert s3://bkt to s3://bkt/ (trailing slash)
             destination_base_uri = S3Uri(dest)
             if destination_base_uri.type != 's3':
                 raise ParameterError("Destination must be S3Uri. Got: %s" % destination_base_uri)

             destination_base = destination_base_uri.uri()

         return _child(destination_base, source_args)

     def _parent(source_args):

         # Now that we've done all the disk I/O to look at the local file system and
         # calculate the md5 for each file, fork for each destination to upload to them separately
         # and in parallel
         child_pids = []

         ret = EX_OK

 
         for dest in destinations:
             ## Normalize URI to convert s3://bkt to s3://bkt/ (trailing slash)
             destination_base_uri = S3Uri(dest)
             if destination_base_uri.type != 's3':
                 raise ParameterError("Destination must be S3Uri. Got: %s" % destination_base_uri)

             destination_base = destination_base_uri.uri()

             child_pid = os.fork()
             if child_pid == 0:

                 os._exit(_child(destination_base, source_args))

             else:
                 child_pids.append(child_pid)

         while len(child_pids):
             (pid, status) = os.wait()
             child_pids.remove(pid)

             if ret == EX_OK:

                 ret = os.WEXITSTATUS(status)

         return ret

     def _child(destination_base, source_args):

         def _set_remote_uri(local_list, destination_base, single_file_local):
             if len(local_list) > 0:
                 ## Populate 'remote_uri' only if we've got something to upload
                 if not destination_base.endswith("/"):
                     if not single_file_local:
                         raise ParameterError("Destination S3 URI must end with '/' (ie must refer to a directory on the remote side).")

                     local_list[local_list.keys()[0]]['remote_uri'] = destination_base

                 else:
                     for key in local_list:

                         local_list[key]['remote_uri'] = destination_base + key

 
         def _upload(local_list, seq, total, total_size):
             file_list = local_list.keys()
             file_list.sort()

             ret = EX_OK

             for file in file_list:
                 seq += 1
                 item = local_list[file]
                 src = item['full_name']
                 uri = S3Uri(item['remote_uri'])
                 seq_label = "[%d of %d]" % (seq, total)
                 extra_headers = copy(cfg.extra_headers)
                 try:

                     attr_header = _build_attr_header(local_list, file)
                     debug(u"attr_header: %s" % attr_header)
                     extra_headers.update(attr_header)

                     response = s3.object_put(src, uri, extra_headers, extra_label = seq_label)

                 except S3UploadError as exc:

                     error(u"Upload of '%s' failed too many times (Last reason: %s)" % (item['full_name'], exc))

                     if cfg.stop_on_error:

                         ret = EX_DATAERR
                         error(u"Exiting now because of --stop-on-error")

                         raise

                     ret = EX_PARTIAL

                     continue

                 except InvalidFileError as exc:

                     error(u"Upload of '%s' is not possible (Reason: %s)" % (item['full_name'], exc))

                     ret = EX_PARTIAL

                     if cfg.stop_on_error:

                         ret = EX_OSFILE
                         error(u"Exiting now because of --stop-on-error")

                         raise

                     continue
                 speed_fmt = formatSize(response["speed"], human_readable = True, floating_point = True)
                 if not cfg.progress_meter:

                     output(u"upload: '%s' -> '%s' (%d bytes in %0.1f seconds, %0.2f %sB/s) %s" %

                         (item['full_name'], uri, response["size"], response["elapsed"],

                         speed_fmt[0], speed_fmt[1], seq_label))
                 total_size += response["size"]
                 uploaded_objects_list.append(uri.object())

             return ret, seq, total_size

         stats_info = StatsInfo()
 
         local_list, single_file_local, src_exclude_list, local_total_size = fetch_local_list(args[:-1], is_src = True, recursive = True)
 

         # - The source path is either like "/myPath/my_src_folder" and
         # the user want to upload this single folder and optionally only delete
         # things that have been removed inside this folder. For this case,
         # we only have to look inside destination_base/my_src_folder and not at
         # the root of destination_base.
         # - Or like "/myPath/my_src_folder/" and the user want to have the sync
         # with the content of this folder

         # Special case, "." for current folder.

         destbase_with_source_list = set()
         for source_arg in source_args:

             if not source_arg.endswith('/') and os.path.basename(source_arg) != '.' \
                and not single_file_local:

                 destbase_with_source_list.add(os.path.join(destination_base,
                                                     os.path.basename(source_arg)))
             else:
                 destbase_with_source_list.add(destination_base)
 

         remote_list, dst_exclude_list, remote_total_size = fetch_remote_list(destbase_with_source_list, recursive = True, require_attribs = True)

         local_count = len(local_list)

         orig_local_count = local_count

         remote_count = len(remote_list)

         info(u"Found %d local files, %d remote files" % (local_count, remote_count))

         if single_file_local and len(local_list) == 1 and len(remote_list) == 1:
             ## Make remote_key same as local_key for comparison if we're dealing with only one file
             remote_list_entry = remote_list[remote_list.keys()[0]]
             # Flush remote_list, by the way

             remote_list = FileDict()

             remote_list[local_list.keys()[0]] =  remote_list_entry

         local_list, remote_list, update_list, copy_pairs = compare_filelists(local_list, remote_list, src_remote = False, dst_remote = True)

         local_count = len(local_list)
         update_count = len(update_list)
         copy_count = len(copy_pairs)
         remote_count = len(remote_list)

         upload_count = local_count + update_count

         info(u"Summary: %d local files to upload, %d files to remote copy, %d remote files to delete" % (upload_count, copy_count, remote_count))

         _set_remote_uri(local_list, destination_base, single_file_local)
         _set_remote_uri(update_list, destination_base, single_file_local)

         if cfg.dry_run:

             keys = filedicts_to_keys(src_exclude_list, dst_exclude_list)
             for key in keys:

                 output(u"exclude: %s" % key)

             for key in local_list:

                 output(u"upload: '%s' -> '%s'" % (local_list[key]['full_name'], local_list[key]['remote_uri']))

             for key in update_list:

                 output(u"upload: '%s' -> '%s'" % (update_list[key]['full_name'], update_list[key]['remote_uri']))

             for (src_obj, dst1, dst2) in copy_pairs:

                 output(u"remote copy: '%s' -> '%s'" % (dst1, dst2))

             if cfg.delete_removed:
                 for key in remote_list:

                     output(u"delete: '%s'" % remote_list[key]['object_uri_str'])

             warning(u"Exiting now because of --dry-run")

             return EX_OK

         # if there are copy pairs, we can't do delete_before, on the chance
         # we need one of the to-be-deleted files as a copy source.
         if len(copy_pairs) > 0:
             cfg.delete_after = True
 

         if cfg.delete_removed and orig_local_count == 0 and len(remote_list) and not cfg.force:

             warning(u"delete: cowardly refusing to delete because no source files were found.  Use --force to override.")
             cfg.delete_removed = False
 

         if cfg.delete_removed and not cfg.delete_after and remote_list:

             subcmd_batch_del(remote_list = remote_list)

         size_transferred = 0

         total_elapsed = 0.0
         timestamp_start = time.time()

         ret, n, size_transferred = _upload(local_list, 0, upload_count, size_transferred)
         status, n, size_transferred = _upload(update_list, n, upload_count, size_transferred)

         if ret == EX_OK:
             ret = status

         n_copies, saved_bytes, failed_copy_files  = remote_copy(s3, copy_pairs, destination_base)
 
         #upload file that could not be copied

         debug("Process files that were not remote copied")

         failed_copy_count = len(failed_copy_files)
         _set_remote_uri(failed_copy_files, destination_base, single_file_local)

         status, n, size_transferred = _upload(failed_copy_files, n, upload_count + failed_copy_count, size_transferred)

         if ret == EX_OK:
             ret = status

         if cfg.delete_removed and cfg.delete_after and remote_list:

             subcmd_batch_del(remote_list = remote_list)

         total_elapsed = max(1.0, time.time() - timestamp_start)

         total_speed = total_elapsed and size_transferred / total_elapsed or 0.0

         speed_fmt = formatSize(total_speed, human_readable = True, floating_point = True)
 

 
         stats_info.files = orig_local_count
         stats_info.size = local_total_size
         stats_info.files_transferred = upload_count + failed_copy_count
         stats_info.size_transferred = size_transferred
         stats_info.files_copied = n_copies
         stats_info.size_copied = saved_bytes
         stats_info.files_deleted = remote_count
 
 

         # Only print out the result if any work has been done or
         # if the user asked for verbose output

         outstr = "Done. Uploaded %d bytes in %0.1f seconds, %0.2f %sB/s." % (size_transferred, total_elapsed, speed_fmt[0], speed_fmt[1])
         if cfg.stats:
             outstr += stats_info.format_output()
             output(outstr)
         elif size_transferred + saved_bytes > 0:

             output(outstr)
         else:
             info(outstr)

         return ret

     def _invalidate_on_cf(destination_base_uri):
         cf = CloudFront(cfg)
         default_index_file = None
         if cfg.invalidate_default_index_on_cf or cfg.invalidate_default_index_root_on_cf:
             info_response = s3.website_info(destination_base_uri, cfg.bucket_location)
             if info_response:
               default_index_file = info_response['index_document']
               if len(default_index_file) < 1:
                   default_index_file = None
 

         results = cf.InvalidateObjects(destination_base_uri, uploaded_objects_list, default_index_file, cfg.invalidate_default_index_on_cf, cfg.invalidate_default_index_root_on_cf)
         for result in results:
             if result['status'] == 201:
                 output(u"Created invalidation request for %d paths" % len(uploaded_objects_list))
                 output(u"Check progress with: s3cmd cfinvalinfo cf://%s/%s" % (result['dist_id'], result['request_id']))

     # main execution
     s3 = S3(cfg)

     uploaded_objects_list = []
 

     if cfg.encrypt:
         error(u"S3cmd 'sync' doesn't yet support GPG encryption, sorry.")
         error(u"Either use unconditional 's3cmd put --recursive'")
         error(u"or disable encryption with --no-encrypt parameter.")

         sys.exit(EX_USAGE)

     for arg in args[:-1]:
         if not os.path.exists(deunicodise(arg)):
             raise ParameterError("Invalid source: '%s' is not an existing file or directory" % arg)
 

     destinations = [args[-1]]
     if cfg.additional_destinations:
         destinations = destinations + cfg.additional_destinations
 
     if 'fork' not in os.__all__ or len(destinations) < 2:

         ret = _single_process(args[:-1])

         destination_base_uri = S3Uri(destinations[-1])

         if cfg.invalidate_on_cf:
             if len(uploaded_objects_list) == 0:
                 info("Nothing to invalidate in CloudFront")
             else:
                 _invalidate_on_cf(destination_base_uri)

     else:

         ret = _parent(args[:-1])

         if cfg.invalidate_on_cf:
             error(u"You cannot use both --cf-invalidate and --add-destination.")

             return(EX_USAGE)
 

     return ret

 def cmd_sync(args):

     if (len(args) < 2):
         raise ParameterError("Too few parameters! Expected: %s" % commands['sync']['param'])

     if cfg.delay_updates:
         warning(u"`delay-updates` is obsolete.")

     for arg in args:
         if arg == u'-':
             raise ParameterError("Stdin or stdout ('-') can't be used for a source or a destination with the sync command.")
 

     if S3Uri(args[0]).type == "file" and S3Uri(args[-1]).type == "s3":
         return cmd_sync_local2remote(args)
     if S3Uri(args[0]).type == "s3" and S3Uri(args[-1]).type == "file":
         return cmd_sync_remote2local(args)
     if S3Uri(args[0]).type == "s3" and S3Uri(args[-1]).type == "s3":
         return cmd_sync_remote2remote(args)
     raise ParameterError("Invalid source/destination: '%s'" % "' '".join(args))

 
 def cmd_setacl(args):

     s3 = S3(cfg)
 
     set_to_acl = cfg.acl_public and "Public" or "Private"
 
     if not cfg.recursive:
         old_args = args
         args = []
         for arg in old_args:
             uri = S3Uri(arg)
             if not uri.has_object():
                 if cfg.acl_public != None:
                     info("Setting bucket-level ACL for %s to %s" % (uri.uri(), set_to_acl))
                 else:
                     info("Setting bucket-level ACL for %s" % (uri.uri()))
                 if not cfg.dry_run:

                     update_acl(s3, uri)

             else:
                 args.append(arg)
 

     remote_list, exclude_list, _ = fetch_remote_list(args)

 
     remote_count = len(remote_list)
 
     info(u"Summary: %d remote files to update" % remote_count)
 
     if cfg.dry_run:
         for key in exclude_list:

             output(u"exclude: %s" % key)

         for key in remote_list:

             output(u"setacl: '%s'" % remote_list[key]['object_uri_str'])

         warning(u"Exiting now because of --dry-run")

         return EX_OK

 
     seq = 0
     for key in remote_list:
         seq += 1
         seq_label = "[%d of %d]" % (seq, remote_count)
         uri = S3Uri(remote_list[key]['object_uri_str'])

         update_acl(s3, uri, seq_label)

     return EX_OK

 def cmd_setpolicy(args):
     s3 = S3(cfg)

     uri = S3Uri(args[1])
     policy_file = args[0]

     policy = open(deunicodise(policy_file), 'r').read()

     if cfg.dry_run: return EX_OK

 
     response = s3.set_policy(uri, policy)
 
     #if retsponse['status'] == 200:
     debug(u"response - %s" % response['status'])

     if response['status'] == 204:

         output(u"%s: Policy updated" % uri)

     return EX_OK

 
 def cmd_delpolicy(args):
     s3 = S3(cfg)
     uri = S3Uri(args[0])

     if cfg.dry_run: return EX_OK

 
     response = s3.delete_policy(uri)
 
     #if retsponse['status'] == 200:
     debug(u"response - %s" % response['status'])
     output(u"%s: Policy deleted" % uri)

     return EX_OK

 def cmd_setcors(args):
     s3 = S3(cfg)
     uri = S3Uri(args[1])
     cors_file = args[0]
     cors = open(deunicodise(cors_file), 'r').read()
 
     if cfg.dry_run: return EX_OK
 
     response = s3.set_cors(uri, cors)
 
     #if retsponse['status'] == 200:
     debug(u"response - %s" % response['status'])
     if response['status'] == 204:
         output(u"%s: CORS updated" % uri)
     return EX_OK
 
 def cmd_delcors(args):
     s3 = S3(cfg)
     uri = S3Uri(args[0])
     if cfg.dry_run: return EX_OK
 
     response = s3.delete_cors(uri)
 
     #if retsponse['status'] == 200:
     debug(u"response - %s" % response['status'])
     output(u"%s: CORS deleted" % uri)
     return EX_OK
 

 def cmd_set_payer(args):
     s3 = S3(cfg)
     uri = S3Uri(args[0])
 
     if cfg.dry_run: return EX_OK
 
     response = s3.set_payer(uri)
     if response['status'] == 200:
         output(u"%s: Payer updated" % uri)
         return EX_OK
     else:
         output(u"%s: Payer NOT updated" % uri)
         return EX_CONFLICT
 

 def cmd_setlifecycle(args):
     s3 = S3(cfg)
     uri = S3Uri(args[1])
     lifecycle_policy_file = args[0]

     lifecycle_policy = open(deunicodise(lifecycle_policy_file), 'r').read()

 
     if cfg.dry_run: return EX_OK
 
     response = s3.set_lifecycle_policy(uri, lifecycle_policy)
 
     debug(u"response - %s" % response['status'])

     if response['status'] == 200:

         output(u"%s: Lifecycle Policy updated" % uri)
     return EX_OK
 

 def cmd_getlifecycle(args):
     s3 = S3(cfg)
     uri = S3Uri(args[0])
 
     response = s3.get_lifecycle_policy(uri)
 
     output(u"%s" % getPrettyFromXml(response['data']))
     return EX_OK
 

 def cmd_dellifecycle(args):
     s3 = S3(cfg)
     uri = S3Uri(args[0])
     if cfg.dry_run: return EX_OK
 
     response = s3.delete_lifecycle_policy(uri)
 
     debug(u"response - %s" % response['status'])
     output(u"%s: Lifecycle Policy deleted" % uri)
     return EX_OK
 

 def cmd_multipart(args):
     s3 = S3(cfg)
     uri = S3Uri(args[0])

     #id = ''
     #if(len(args) > 1): id = args[1]
 
     response = s3.get_multipart(uri)
     debug(u"response - %s" % response['status'])
     output(u"%s" % uri)
     tree = getTreeFromXml(response['data'])
     debug(parseNodes(tree))

     output(u"Initiated\tPath\tId")

     for mpupload in parseNodes(tree):
         try:

             output("%s\t%s\t%s" % (mpupload['Initiated'], "s3://" + uri.bucket() + "/" + mpupload['Key'], mpupload['UploadId']))
         except KeyError:

             pass

     return EX_OK

 
 def cmd_abort_multipart(args):
     '''{"cmd":"abortmp",   "label":"abort a multipart upload", "param":"s3://BUCKET Id", "func":cmd_abort_multipart, "argc":2},'''
     s3 = S3(cfg)
     uri = S3Uri(args[0])
     id = args[1]
     response = s3.abort_multipart(uri, id)
     debug(u"response - %s" % response['status'])
     output(u"%s" % uri)

     return EX_OK

 def cmd_list_multipart(args):
     '''{"cmd":"abortmp",   "label":"list a multipart upload", "param":"s3://BUCKET Id", "func":cmd_list_multipart, "argc":2},'''
     s3 = S3(cfg)
     uri = S3Uri(args[0])
     id = args[1]

     response = s3.list_multipart(uri, id)
     debug(u"response - %s" % response['status'])
     tree = getTreeFromXml(response['data'])
     output(u"LastModified\t\t\tPartNumber\tETag\tSize")
     for mpupload in parseNodes(tree):
         try:
             output("%s\t%s\t%s\t%s" % (mpupload['LastModified'], mpupload['PartNumber'], mpupload['ETag'], mpupload['Size']))
         except:
             pass

     return EX_OK

 def cmd_accesslog(args):

     s3 = S3(cfg)
     bucket_uri = S3Uri(args.pop())
     if bucket_uri.object():
         raise ParameterError("Only bucket name is required for [accesslog] command")
     if cfg.log_target_prefix == False:
         accesslog, response = s3.set_accesslog(bucket_uri, enable = False)
     elif cfg.log_target_prefix:
         log_target_prefix_uri = S3Uri(cfg.log_target_prefix)
         if log_target_prefix_uri.type != "s3":
             raise ParameterError("--log-target-prefix must be a S3 URI")
         accesslog, response = s3.set_accesslog(bucket_uri, enable = True, log_target_prefix_uri = log_target_prefix_uri, acl_public = cfg.acl_public)
     else:   # cfg.log_target_prefix == None
         accesslog = s3.get_accesslog(bucket_uri)
 
     output(u"Access logging for: %s" % bucket_uri.uri())
     output(u"   Logging Enabled: %s" % accesslog.isLoggingEnabled())
     if accesslog.isLoggingEnabled():
         output(u"     Target prefix: %s" % accesslog.targetPrefix().uri())
         #output(u"   Public Access:   %s" % accesslog.isAclPublic())

     return EX_OK

 def cmd_sign(args):

     string_to_sign = args.pop()
     debug("string-to-sign: %r" % string_to_sign)

     signature = Crypto.sign_string_v2(encode_to_s3(string_to_sign))
     output("Signature: %s" % decode_from_s3(signature))

     return EX_OK

 def cmd_signurl(args):

     expiry = args.pop()
     url_to_sign = S3Uri(args.pop())
     if url_to_sign.type != 's3':
         raise ParameterError("Must be S3Uri. Got: %s" % url_to_sign)
     debug("url to sign: %r" % url_to_sign)

     signed_url = Crypto.sign_url_v2(url_to_sign, expiry)

     output(signed_url)

     return EX_OK

 def cmd_fixbucket(args):

     def _unescape(text):
         ##
         # Removes HTML or XML character references and entities from a text string.
         #
         # @param text The HTML (or XML) source text.
         # @return The plain text, as a Unicode string, if necessary.
         #
         # From: http://effbot.org/zone/re-sub.htm#unescape-html
         def _unescape_fixup(m):
             text = m.group(0)

             if not 'apos' in htmlentitydefs.name2codepoint:

                 htmlentitydefs.name2codepoint['apos'] = ord("'")
             if text[:2] == "&#":
                 # character reference
                 try:
                     if text[:3] == "&#x":
                         return unichr(int(text[3:-1], 16))
                     else:
                         return unichr(int(text[2:-1]))
                 except ValueError:
                     pass
             else:
                 # named entity
                 try:
                     text = unichr(htmlentitydefs.name2codepoint[text[1:-1]])
                 except KeyError:
                     pass
             return text # leave as is
             text = text.encode('ascii', 'xmlcharrefreplace')
         return re.sub("&#?\w+;", _unescape_fixup, text)
 
     cfg.urlencoding_mode = "fixbucket"
     s3 = S3(cfg)
 
     count = 0
     for arg in args:
         culprit = S3Uri(arg)
         if culprit.type != "s3":
             raise ParameterError("Expecting S3Uri instead of: %s" % arg)
         response = s3.bucket_list_noparse(culprit.bucket(), culprit.object(), recursive = True)
         r_xent = re.compile("&#x[\da-fA-F]+;")

         keys = re.findall("<Key>(.*?)</Key>", response['data'], re.MULTILINE | re.UNICODE)

         debug("Keys: %r" % keys)
         for key in keys:
             if r_xent.search(key):
                 info("Fixing: %s" % key)
                 debug("Step 1: Transforming %s" % key)
                 key_bin = _unescape(key)
                 debug("Step 2:       ... to %s" % key_bin)
                 key_new = replace_nonprintables(key_bin)
                 debug("Step 3:  ... then to %s" % key_new)
                 src = S3Uri("s3://%s/%s" % (culprit.bucket(), key_bin))
                 dst = S3Uri("s3://%s/%s" % (culprit.bucket(), key_new))

                 if cfg.dry_run:
                     output("[--dry-run] File %r would be renamed to %s" % (key_bin, key_new))
                     continue

                 try:
                     resp_move = s3.object_move(src, dst)
                     if resp_move['status'] == 200:

                         output("File '%r' renamed to '%s'" % (key_bin, key_new))

                         count += 1
                     else:
                         error("Something went wrong for: %r" % key)
                         error("Please report the problem to s3tools-bugs@lists.sourceforge.net")
                 except S3Error:

                     error("Something went wrong for: %r" % key)
                     error("Please report the problem to s3tools-bugs@lists.sourceforge.net")

     if count > 0:
         warning("Fixed %d files' names. Their ACL were reset to Private." % count)
         warning("Use 's3cmd setacl --acl-public s3://...' to make")
         warning("them publicly readable if required.")

     return EX_OK

 def resolve_list(lst, args):

     retval = []
     for item in lst:
         retval.append(item % args)
     return retval

 
 def gpg_command(command, passphrase = ""):

     debug("GPG command: " + " ".join(command))

     command = [deunicodise(cmd_entry) for cmd_entry in command]

     p = subprocess.Popen(command, stdin = subprocess.PIPE, stdout = subprocess.PIPE, stderr = subprocess.STDOUT,
                          close_fds = True)

     p_stdout, p_stderr = p.communicate(deunicodise(passphrase) + "\n")

     debug("GPG output:")
     for line in p_stdout.split("\n"):
         debug("GPG: " + line)
     p_exitcode = p.wait()
     return p_exitcode

 
 def gpg_encrypt(filename):

     tmp_filename = Utils.mktmpfile()
     args = {
         "gpg_command" : cfg.gpg_command,
         "passphrase_fd" : "0",
         "input_file" : filename,
         "output_file" : tmp_filename,
     }

     info(u"Encrypting file %s to %s..." % (filename, tmp_filename))

     command = resolve_list(cfg.gpg_encrypt.split(" "), args)
     code = gpg_command(command, cfg.gpg_passphrase)
     return (code, tmp_filename, "gpg")

 def gpg_decrypt(filename, gpgenc_header = "", in_place = True):

     tmp_filename = Utils.mktmpfile(filename)
     args = {
         "gpg_command" : cfg.gpg_command,
         "passphrase_fd" : "0",
         "input_file" : filename,
         "output_file" : tmp_filename,
     }

     info(u"Decrypting file %s to %s..." % (filename, tmp_filename))

     command = resolve_list(cfg.gpg_decrypt.split(" "), args)
     code = gpg_command(command, cfg.gpg_passphrase)
     if code == 0 and in_place:

         debug(u"Renaming %s to %s" % (tmp_filename, filename))

         os.unlink(deunicodise(filename))
         os.rename(deunicodise(tmp_filename), deunicodise(filename))

         tmp_filename = filename
     return (code, tmp_filename)

 def run_configure(config_file, args):

     cfg = Config()
     options = [

         ("access_key", "Access Key", "Access key and Secret key are your identifiers for Amazon S3. Leave them empty for using the env variables."),

         ("secret_key", "Secret Key"),

         ("bucket_location", "Default Region"),

         ("host_base", "S3 Endpoint", "Use \"s3.amazonaws.com\" for S3 Endpoint and not modify it to the target Amazon S3."),
         ("host_bucket", "DNS-style bucket+hostname:port template for accessing a bucket", "Use \"%(bucket)s.s3.amazonaws.com\" to the target Amazon S3. \"%(bucket)s\" and \"%(location)s\" vars can be used\nif the target S3 system supports dns based buckets."),

         ("gpg_passphrase", "Encryption password", "Encryption password is used to protect your files from reading\nby unauthorized persons while in transfer to S3"),
         ("gpg_command", "Path to GPG program"),

         ("use_https", "Use HTTPS protocol", "When using secure HTTPS protocol all communication with Amazon S3\nservers is protected from 3rd party eavesdropping. This method is\nslower than plain HTTP, and can only be proxied with Python 2.7 or newer"),

         ("proxy_host", "HTTP Proxy server name", "On some networks all internet access must go through a HTTP proxy.\nTry setting it here if you can't connect to S3 directly"),

         ("proxy_port", "HTTP Proxy server port"),
         ]
     ## Option-specfic defaults
     if getattr(cfg, "gpg_command") == "":
         setattr(cfg, "gpg_command", find_executable("gpg"))
 
     if getattr(cfg, "proxy_host") == "" and os.getenv("http_proxy"):
         re_match=re.match("(http://)?([^:]+):(\d+)", os.getenv("http_proxy"))
         if re_match:
             setattr(cfg, "proxy_host", re_match.groups()[1])
             setattr(cfg, "proxy_port", re_match.groups()[2])
 
     try:
         while 1:
             output(u"\nEnter new values or accept defaults in brackets with Enter.")
             output(u"Refer to user manual for detailed description of all options.")
             for option in options:
                 prompt = option[1]
                 ## Option-specific handling

                 if option[0] == 'proxy_host' and getattr(cfg, 'use_https') == True and sys.hexversion < 0x02070000:

                     setattr(cfg, option[0], "")
                     continue
                 if option[0] == 'proxy_port' and getattr(cfg, 'proxy_host') == "":
                     setattr(cfg, option[0], 0)
                     continue
 
                 try:
                     val = getattr(cfg, option[0])
                     if type(val) is bool:
                         val = val and "Yes" or "No"
                     if val not in (None, ""):
                         prompt += " [%s]" % val
                 except AttributeError:
                     pass
 
                 if len(option) >= 3:
                     output(u"\n%s" % option[2])
 
                 val = raw_input(prompt + ": ")
                 if val != "":
                     if type(getattr(cfg, option[0])) is bool:
                         # Turn 'Yes' into True, everything else into False
                         val = val.lower().startswith('y')
                     setattr(cfg, option[0], val)
             output(u"\nNew settings:")
             for option in options:
                 output(u"  %s: %s" % (option[1], getattr(cfg, option[0])))
             val = raw_input("\nTest access with supplied credentials? [Y/n] ")
             if val.lower().startswith("y") or val == "":
                 try:

                     # Default, we try to list 'all' buckets which requires
                     # ListAllMyBuckets permission
                     if len(args) == 0:
                         output(u"Please wait, attempting to list all buckets...")
                         S3(Config()).bucket_list("", "")
                     else:
                         # If user specified a bucket name directly, we check it and only it.
                         # Thus, access check can succeed even if user only has access to
                         # to a single bucket and not ListAllMyBuckets permission.
                         output(u"Please wait, attempting to list bucket: " + args[0])
                         uri = S3Uri(args[0])
                         if uri.type == "s3" and uri.has_bucket():
                             S3(Config()).bucket_list(uri.bucket(), "")
                         else:
                             raise Exception(u"Invalid bucket uri: " + args[0])
 

                     output(u"Success. Your access key and secret key worked fine :-)")
 
                     output(u"\nNow verifying that encryption works...")
                     if not getattr(cfg, "gpg_command") or not getattr(cfg, "gpg_passphrase"):
                         output(u"Not configured. Never mind.")
                     else:
                         if not getattr(cfg, "gpg_command"):
                             raise Exception("Path to GPG program not set")

                         if not os.path.isfile(deunicodise(getattr(cfg, "gpg_command"))):

                             raise Exception("GPG program not found")
                         filename = Utils.mktmpfile()

                         f = open(deunicodise(filename), "w")

                         f.write(os.sys.copyright)
                         f.close()
                         ret_enc = gpg_encrypt(filename)
                         ret_dec = gpg_decrypt(ret_enc[1], ret_enc[2], False)
                         hash = [
                             Utils.hash_file_md5(filename),
                             Utils.hash_file_md5(ret_enc[1]),
                             Utils.hash_file_md5(ret_dec[1]),
                         ]

                         os.unlink(deunicodise(filename))
                         os.unlink(deunicodise(ret_enc[1]))
                         os.unlink(deunicodise(ret_dec[1]))

                         if hash[0] == hash[2] and hash[0] != hash[1]:
                             output ("Success. Encryption and decryption worked fine :-)")
                         else:
                             raise Exception("Encryption verification error.")
 

                 except S3Error as e:

                     error(u"Test failed: %s" % (e))

                     if e.code == "AccessDenied":

                         error(u"Are you sure your keys have s3:ListAllMyBuckets permissions?")

                     val = raw_input("\nRetry configuration? [Y/n] ")
                     if val.lower().startswith("y") or val == "":
                         continue

                 except Exception as e:

                     error(u"Test failed: %s" % (e))
                     val = raw_input("\nRetry configuration? [Y/n] ")
                     if val.lower().startswith("y") or val == "":
                         continue

 
 
             val = raw_input("\nSave settings? [y/N] ")
             if val.lower().startswith("y"):
                 break
             val = raw_input("Retry configuration? [Y/n] ")
             if val.lower().startswith("n"):
                 raise EOFError()
 
         ## Overwrite existing config file, make it user-readable only

         old_mask = os.umask(0o077)

         try:

             os.remove(deunicodise(config_file))

         except OSError as e:

             if e.errno != errno.ENOENT:
                 raise
         f = open(config_file, "w")
         os.umask(old_mask)
         cfg.dump_config(f)
         f.close()
         output(u"Configuration saved to '%s'" % config_file)
 
     except (EOFError, KeyboardInterrupt):
         output(u"\nConfiguration aborted. Changes were NOT saved.")
         return
 

     except IOError as e:

         error(u"Writing config file failed: %s: %s" % (config_file, e.strerror))

         sys.exit(EX_IOERR)

 def process_patterns_from_file(fname, patterns_list):

     try:

         fn = open(deunicodise(fname), "rt")

     except IOError as e:

         error(e)

         sys.exit(EX_IOERR)

     for pattern in fn:

         pattern = unicodise(pattern).strip()

         if re.match("^#", pattern) or re.match("^\s*$", pattern):
             continue
         debug(u"%s: adding rule: %s" % (fname, pattern))
         patterns_list.append(pattern)
 
     return patterns_list

 
 def process_patterns(patterns_list, patterns_from, is_glob, option_txt = ""):

     """
     process_patterns(patterns, patterns_from, is_glob, option_txt = "")
     Process --exclude / --include GLOB and REGEXP patterns.
     'option_txt' is 'exclude' / 'include' / 'rexclude' / 'rinclude'
     Returns: patterns_compiled, patterns_text
     """
 
     patterns_compiled = []
     patterns_textual = {}
 
     if patterns_list is None:
         patterns_list = []
 
     if patterns_from:
         ## Append patterns from glob_from
         for fname in patterns_from:
             debug(u"processing --%s-from %s" % (option_txt, fname))
             patterns_list = process_patterns_from_file(fname, patterns_list)
 
     for pattern in patterns_list:
         debug(u"processing %s rule: %s" % (option_txt, patterns_list))
         if is_glob:
             pattern = glob.fnmatch.translate(pattern)
         r = re.compile(pattern)
         patterns_compiled.append(r)
         patterns_textual[r] = pattern
 
     return patterns_compiled, patterns_textual

 def get_commands_list():

     return [
     {"cmd":"mb", "label":"Make bucket", "param":"s3://BUCKET", "func":cmd_bucket_create, "argc":1},
     {"cmd":"rb", "label":"Remove bucket", "param":"s3://BUCKET", "func":cmd_bucket_delete, "argc":1},
     {"cmd":"ls", "label":"List objects or buckets", "param":"[s3://BUCKET[/PREFIX]]", "func":cmd_ls, "argc":0},

     {"cmd":"la", "label":"List all object in all buckets", "param":"", "func":cmd_all_buckets_list_all_content, "argc":0},

     {"cmd":"put", "label":"Put file into bucket", "param":"FILE [FILE...] s3://BUCKET[/PREFIX]", "func":cmd_object_put, "argc":2},
     {"cmd":"get", "label":"Get file from bucket", "param":"s3://BUCKET/OBJECT LOCAL_FILE", "func":cmd_object_get, "argc":1},
     {"cmd":"del", "label":"Delete file from bucket", "param":"s3://BUCKET/OBJECT", "func":cmd_object_del, "argc":1},

     {"cmd":"rm", "label":"Delete file from bucket (alias for del)", "param":"s3://BUCKET/OBJECT", "func":cmd_object_del, "argc":1},

     #{"cmd":"mkdir", "label":"Make a virtual S3 directory", "param":"s3://BUCKET/path/to/dir", "func":cmd_mkdir, "argc":1},

     {"cmd":"restore", "label":"Restore file from Glacier storage", "param":"s3://BUCKET/OBJECT", "func":cmd_object_restore, "argc":1},

     {"cmd":"sync", "label":"Synchronize a directory tree to S3 (checks files freshness using size and md5 checksum, unless overridden by options, see below)", "param":"LOCAL_DIR s3://BUCKET[/PREFIX] or s3://BUCKET[/PREFIX] LOCAL_DIR", "func":cmd_sync, "argc":2},

     {"cmd":"du", "label":"Disk usage by buckets", "param":"[s3://BUCKET[/PREFIX]]", "func":cmd_du, "argc":0},
     {"cmd":"info", "label":"Get various information about Buckets or Files", "param":"s3://BUCKET[/OBJECT]", "func":cmd_info, "argc":1},
     {"cmd":"cp", "label":"Copy object", "param":"s3://BUCKET1/OBJECT1 s3://BUCKET2[/OBJECT2]", "func":cmd_cp, "argc":2},

     {"cmd":"modify", "label":"Modify object metadata", "param":"s3://BUCKET1/OBJECT", "func":cmd_modify, "argc":1},

     {"cmd":"mv", "label":"Move object", "param":"s3://BUCKET1/OBJECT1 s3://BUCKET2[/OBJECT2]", "func":cmd_mv, "argc":2},
     {"cmd":"setacl", "label":"Modify Access control list for Bucket or Files", "param":"s3://BUCKET[/OBJECT]", "func":cmd_setacl, "argc":1},

 
     {"cmd":"setpolicy", "label":"Modify Bucket Policy", "param":"FILE s3://BUCKET", "func":cmd_setpolicy, "argc":2},
     {"cmd":"delpolicy", "label":"Delete Bucket Policy", "param":"s3://BUCKET", "func":cmd_delpolicy, "argc":1},

     {"cmd":"setcors", "label":"Modify Bucket CORS", "param":"FILE s3://BUCKET", "func":cmd_setcors, "argc":2},
     {"cmd":"delcors", "label":"Delete Bucket CORS", "param":"s3://BUCKET", "func":cmd_delcors, "argc":1},
 

     {"cmd":"payer",     "label":"Modify Bucket Requester Pays policy", "param":"s3://BUCKET", "func":cmd_set_payer, "argc":1},

     {"cmd":"multipart", "label":"Show multipart uploads", "param":"s3://BUCKET [Id]", "func":cmd_multipart, "argc":1},
     {"cmd":"abortmp",   "label":"Abort a multipart upload", "param":"s3://BUCKET/OBJECT Id", "func":cmd_abort_multipart, "argc":2},

     {"cmd":"listmp",    "label":"List parts of a multipart upload", "param":"s3://BUCKET/OBJECT Id", "func":cmd_list_multipart, "argc":2},

     {"cmd":"accesslog", "label":"Enable/disable bucket access logging", "param":"s3://BUCKET", "func":cmd_accesslog, "argc":1},
     {"cmd":"sign", "label":"Sign arbitrary string using the secret key", "param":"STRING-TO-SIGN", "func":cmd_sign, "argc":1},

     {"cmd":"signurl", "label":"Sign an S3 URL to provide limited public access with expiry", "param":"s3://BUCKET/OBJECT <expiry_epoch|+expiry_offset>", "func":cmd_signurl, "argc":2},

     {"cmd":"fixbucket", "label":"Fix invalid file names in a bucket", "param":"s3://BUCKET[/PREFIX]", "func":cmd_fixbucket, "argc":1},
 
     ## Website commands
     {"cmd":"ws-create", "label":"Create Website from bucket", "param":"s3://BUCKET", "func":cmd_website_create, "argc":1},
     {"cmd":"ws-delete", "label":"Delete Website", "param":"s3://BUCKET", "func":cmd_website_delete, "argc":1},
     {"cmd":"ws-info", "label":"Info about Website", "param":"s3://BUCKET", "func":cmd_website_info, "argc":1},
 

     ## Lifecycle commands
     {"cmd":"expire", "label":"Set or delete expiration rule for the bucket", "param":"s3://BUCKET", "func":cmd_expiration_set, "argc":1},

     {"cmd":"setlifecycle", "label":"Upload a lifecycle policy for the bucket", "param":"FILE s3://BUCKET", "func":cmd_setlifecycle, "argc":2},

     {"cmd":"getlifecycle", "label":"Get a lifecycle policy for the bucket",    "param":"s3://BUCKET", "func":cmd_getlifecycle, "argc":1},

     {"cmd":"dellifecycle", "label":"Remove a lifecycle policy for the bucket", "param":"s3://BUCKET", "func":cmd_dellifecycle, "argc":1},

     ## CloudFront commands
     {"cmd":"cflist", "label":"List CloudFront distribution points", "param":"", "func":CfCmd.info, "argc":0},
     {"cmd":"cfinfo", "label":"Display CloudFront distribution point parameters", "param":"[cf://DIST_ID]", "func":CfCmd.info, "argc":0},
     {"cmd":"cfcreate", "label":"Create CloudFront distribution point", "param":"s3://BUCKET", "func":CfCmd.create, "argc":1},
     {"cmd":"cfdelete", "label":"Delete CloudFront distribution point", "param":"cf://DIST_ID", "func":CfCmd.delete, "argc":1},
     {"cmd":"cfmodify", "label":"Change CloudFront distribution point parameters", "param":"cf://DIST_ID", "func":CfCmd.modify, "argc":1},
     #{"cmd":"cfinval", "label":"Invalidate CloudFront objects", "param":"s3://BUCKET/OBJECT [s3://BUCKET/OBJECT ...]", "func":CfCmd.invalidate, "argc":1},
     {"cmd":"cfinvalinfo", "label":"Display CloudFront invalidation request(s) status", "param":"cf://DIST_ID[/INVAL_ID]", "func":CfCmd.invalinfo, "argc":1},
     ]

 def format_commands(progname, commands_list):

     help = "Commands:\n"
     for cmd in commands_list:
         help += "  %s\n      %s %s %s\n" % (cmd["label"], progname, cmd["cmd"], cmd["param"])
     return help

 
 def update_acl(s3, uri, seq_label=""):
     something_changed = False
     acl = s3.get_acl(uri)
     debug(u"acl: %s - %r" % (uri, acl.grantees))
     if cfg.acl_public == True:
         if acl.isAnonRead():
             info(u"%s: already Public, skipping %s" % (uri, seq_label))
         else:
             acl.grantAnonRead()
             something_changed = True
     elif cfg.acl_public == False:  # we explicitely check for False, because it could be None
         if not acl.isAnonRead():
             info(u"%s: already Private, skipping %s" % (uri, seq_label))
         else:
             acl.revokeAnonRead()
             something_changed = True
 
     # update acl with arguments
     # grant first and revoke later, because revoke has priority
     if cfg.acl_grants:
         something_changed = True
         for grant in cfg.acl_grants:
             acl.grant(**grant)
 
     if cfg.acl_revokes:
         something_changed = True
         for revoke in cfg.acl_revokes:
             acl.revoke(**revoke)
 
     if not something_changed:
         return
 
     retsponse = s3.set_acl(uri, acl)
     if retsponse['status'] == 200:
         if cfg.acl_public in (True, False):

             set_to_acl = cfg.acl_public and "Public" or "Private"

             output(u"%s: ACL set to %s  %s" % (uri, set_to_acl, seq_label))
         else:
             output(u"%s: ACL updated" % uri)
 

 class OptionMimeType(Option):

     def check_mimetype(option, opt, value):

         if re.compile("^[a-z0-9]+/[a-z0-9+\.-]+(;.*)?$", re.IGNORECASE).match(value):

             return value
         raise OptionValueError("option %s: invalid MIME-Type format: %r" % (opt, value))

 class OptionS3ACL(Option):

     def check_s3acl(option, opt, value):
         permissions = ('read', 'write', 'read_acp', 'write_acp', 'full_control', 'all')
         try:
             permission, grantee = re.compile("^(\w+):(.+)$", re.IGNORECASE).match(value).groups()
             if not permission or not grantee:
                 raise
             if permission in permissions:
                 return { 'name' : grantee, 'permission' : permission.upper() }
             else:
                 raise OptionValueError("option %s: invalid S3 ACL permission: %s (valid values: %s)" %
                     (opt, permission, ", ".join(permissions)))
         except:
             raise OptionValueError("option %s: invalid S3 ACL format: %r" % (opt, value))

 
 class OptionAll(OptionMimeType, OptionS3ACL):

     TYPE_CHECKER = copy(Option.TYPE_CHECKER)
     TYPE_CHECKER["mimetype"] = OptionMimeType.check_mimetype
     TYPE_CHECKER["s3acl"] = OptionS3ACL.check_s3acl
     TYPES = Option.TYPES + ("mimetype", "s3acl")

 class MyHelpFormatter(IndentedHelpFormatter):

     def format_epilog(self, epilog):
         if epilog:
             return "\n" + epilog + "\n"
         else:
             return ""

 def main():

     global cfg

     cfg = Config()

     commands_list = get_commands_list()
     commands = {}
 
     ## Populate "commands" from "commands_list"
     for cmd in commands_list:

         if 'cmd' in cmd:
             commands[cmd['cmd']] = cmd

 
     optparser = OptionParser(option_class=OptionAll, formatter=MyHelpFormatter())
     #optparser.disable_interspersed_args()
 
     config_file = None

     if os.getenv("S3CMD_CONFIG"):
         config_file = os.getenv("S3CMD_CONFIG")

     elif os.name == "nt" and os.getenv("USERPROFILE"):

         config_file = os.path.join(os.getenv("USERPROFILE").decode('mbcs'), os.getenv("APPDATA").decode('mbcs') or 'Application Data', "s3cmd.ini")

     else:
         from os.path import expanduser
         config_file = os.path.join(expanduser("~"), ".s3cfg")

     autodetected_encoding = locale.getpreferredencoding() or "UTF-8"

 
     optparser.set_defaults(config = config_file)
 

     optparser.add_option(      "--configure", dest="run_configure", action="store_true", help="Invoke interactive (re)configuration tool. Optionally use as '--configure s3://some-bucket' to test access to a specific bucket instead of attempting to list them all.")

     optparser.add_option("-c", "--config", dest="config", metavar="FILE", help="Config file name. Defaults to $HOME/.s3cfg")

     optparser.add_option(      "--dump-config", dest="dump_config", action="store_true", help="Dump current configuration after parsing config files and command line options and exit.")

     optparser.add_option(      "--access_key", dest="access_key", help="AWS Access Key")
     optparser.add_option(      "--secret_key", dest="secret_key", help="AWS Secret Key")

     optparser.add_option(      "--access_token", dest="access_token", help="AWS Access Token")

 
     optparser.add_option("-n", "--dry-run", dest="dry_run", action="store_true", help="Only show what should be uploaded or downloaded but don't actually do it. May still perform S3 requests to get bucket listings and other information though (only for file transfer commands)")
 

     optparser.add_option("-s", "--ssl", dest="use_https", action="store_true", help="Use HTTPS connection when communicating with S3. (default)")
     optparser.add_option(      "--no-ssl", dest="use_https", action="store_false", help="Don't use HTTPS.")

     optparser.add_option("-e", "--encrypt", dest="encrypt", action="store_true", help="Encrypt files before uploading to S3.")
     optparser.add_option(      "--no-encrypt", dest="encrypt", action="store_false", help="Don't encrypt files.")
     optparser.add_option("-f", "--force", dest="force", action="store_true", help="Force overwrite and other dangerous operations.")
     optparser.add_option(      "--continue", dest="get_continue", action="store_true", help="Continue getting a partially downloaded file (only for [get] command).")

     optparser.add_option(      "--continue-put", dest="put_continue", action="store_true", help="Continue uploading partially uploaded files or multipart upload parts.  Restarts/parts files that don't have matching size and md5.  Skips files/parts that do.  Note: md5sum checks are not always sufficient to check (part) file equality.  Enable this at your own risk.")
     optparser.add_option(      "--upload-id", dest="upload_id", help="UploadId for Multipart Upload, in case you want continue an existing upload (equivalent to --continue-put) and there are multiple partial uploads.  Use s3cmd multipart [URI] to see what UploadIds are associated with the given URI.")

     optparser.add_option(      "--skip-existing", dest="skip_existing", action="store_true", help="Skip over files that exist at the destination (only for [get] and [sync] commands).")
     optparser.add_option("-r", "--recursive", dest="recursive", action="store_true", help="Recursive upload, download or removal.")
     optparser.add_option(      "--check-md5", dest="check_md5", action="store_true", help="Check MD5 sums when comparing files for [sync]. (default)")
     optparser.add_option(      "--no-check-md5", dest="check_md5", action="store_false", help="Do not check MD5 sums when comparing files for [sync]. Only size will be compared. May significantly speed up transfer but may also miss some changed files.")
     optparser.add_option("-P", "--acl-public", dest="acl_public", action="store_true", help="Store objects with ACL allowing read for anyone.")
     optparser.add_option(      "--acl-private", dest="acl_public", action="store_false", help="Store objects with default ACL allowing access for you only.")
     optparser.add_option(      "--acl-grant", dest="acl_grants", type="s3acl", action="append", metavar="PERMISSION:EMAIL or USER_CANONICAL_ID", help="Grant stated permission to a given amazon user. Permission is one of: read, write, read_acp, write_acp, full_control, all")
     optparser.add_option(      "--acl-revoke", dest="acl_revokes", type="s3acl", action="append", metavar="PERMISSION:USER_CANONICAL_ID", help="Revoke stated permission for a given amazon user. Permission is one of: read, write, read_acp, wr     ite_acp, full_control, all")
 

     optparser.add_option("-D", "--restore-days", dest="restore_days", action="store", help="Number of days to keep restored file available (only for 'restore' command).", metavar="NUM")
     optparser.add_option(      "--restore-priority", dest="restore_priority", action="store", choices=['standard', 'expedited', 'bulk'], help="Priority for restoring files from S3 Glacier (only for 'restore' command). Choices available: bulk, standard, expedited")

     optparser.add_option(      "--delete-removed", dest="delete_removed", action="store_true", help="Delete destination objects with no corresponding source file [sync]")
     optparser.add_option(      "--no-delete-removed", dest="delete_removed", action="store_false", help="Don't delete destination objects.")

     optparser.add_option(      "--delete-after", dest="delete_after", action="store_true", help="Perform deletes after new uploads [sync]")

     optparser.add_option(      "--delay-updates", dest="delay_updates", action="store_true", help="*OBSOLETE* Put all updated files into place at end [sync]")  # OBSOLETE

     optparser.add_option(      "--max-delete", dest="max_delete", action="store", help="Do not delete more than NUM files. [del] and [sync]", metavar="NUM")

     optparser.add_option(      "--limit", dest="limit", action="store", help="Limit number of objects returned in the response body (only for [ls] and [la] commands)", metavar="NUM")

     optparser.add_option(      "--add-destination", dest="additional_destinations", action="append", help="Additional destination for parallel uploads, in addition to last arg.  May be repeated.")

     optparser.add_option(      "--delete-after-fetch", dest="delete_after_fetch", action="store_true", help="Delete remote objects after fetching to local file (only for [get] and [sync] commands).")

     optparser.add_option("-p", "--preserve", dest="preserve_attrs", action="store_true", help="Preserve filesystem attributes (mode, ownership, timestamps). Default for [sync] command.")
     optparser.add_option(      "--no-preserve", dest="preserve_attrs", action="store_false", help="Don't store FS attributes")
     optparser.add_option(      "--exclude", dest="exclude", action="append", metavar="GLOB", help="Filenames and paths matching GLOB will be excluded from sync")
     optparser.add_option(      "--exclude-from", dest="exclude_from", action="append", metavar="FILE", help="Read --exclude GLOBs from FILE")
     optparser.add_option(      "--rexclude", dest="rexclude", action="append", metavar="REGEXP", help="Filenames and paths matching REGEXP (regular expression) will be excluded from sync")
     optparser.add_option(      "--rexclude-from", dest="rexclude_from", action="append", metavar="FILE", help="Read --rexclude REGEXPs from FILE")
     optparser.add_option(      "--include", dest="include", action="append", metavar="GLOB", help="Filenames and paths matching GLOB will be included even if previously excluded by one of --(r)exclude(-from) patterns")
     optparser.add_option(      "--include-from", dest="include_from", action="append", metavar="FILE", help="Read --include GLOBs from FILE")
     optparser.add_option(      "--rinclude", dest="rinclude", action="append", metavar="REGEXP", help="Same as --include but uses REGEXP (regular expression) instead of GLOB")
     optparser.add_option(      "--rinclude-from", dest="rinclude_from", action="append", metavar="FILE", help="Read --rinclude REGEXPs from FILE")
 

     optparser.add_option(      "--files-from", dest="files_from", action="append", metavar="FILE", help="Read list of source-file names from FILE. Use - to read from stdin.")

     optparser.add_option(      "--region", "--bucket-location", metavar="REGION", dest="bucket_location", help="Region to create bucket in. As of now the regions are: us-east-1, us-west-1, us-west-2, eu-west-1, eu-central-1, ap-northeast-1, ap-southeast-1, ap-southeast-2, sa-east-1")

     optparser.add_option(      "--host", metavar="HOSTNAME", dest="host_base", help="HOSTNAME:PORT for S3 endpoint (default: %s, alternatives such as s3-eu-west-1.amazonaws.com). You should also set --host-bucket." % (cfg.host_base))
     optparser.add_option(      "--host-bucket", dest="host_bucket", help="DNS-style bucket+hostname:port template for accessing a bucket (default: %s)" % (cfg.host_bucket))

     optparser.add_option(      "--reduced-redundancy", "--rr", dest="reduced_redundancy", action="store_true", help="Store object with 'Reduced redundancy'. Lower per-GB price. [put, cp, mv]")

     optparser.add_option(      "--no-reduced-redundancy", "--no-rr", dest="reduced_redundancy", action="store_false", help="Store object without 'Reduced redundancy'. Higher per-GB price. [put, cp, mv]")

     optparser.add_option(      "--storage-class", dest="storage_class", action="store", metavar="CLASS", help="Store object with specified CLASS (STANDARD, STANDARD_IA, or REDUCED_REDUNDANCY). Lower per-GB price. [put, cp, mv]")

     optparser.add_option(      "--access-logging-target-prefix", dest="log_target_prefix", help="Target prefix for access logs (S3 URI) (for [cfmodify] and [accesslog] commands)")
     optparser.add_option(      "--no-access-logging", dest="log_target_prefix", action="store_false", help="Disable access logging (for [cfmodify] and [accesslog] commands)")
 

     optparser.add_option(      "--default-mime-type", dest="default_mime_type", type="mimetype", action="store", help="Default MIME-type for stored objects. Application default is binary/octet-stream.")

     optparser.add_option("-M", "--guess-mime-type", dest="guess_mime_type", action="store_true", help="Guess MIME-type of files by their extension or mime magic. Fall back to default MIME-Type as specified by --default-mime-type option")

     optparser.add_option(      "--no-guess-mime-type", dest="guess_mime_type", action="store_false", help="Don't guess MIME-type and use the default type instead.")

     optparser.add_option(      "--no-mime-magic", dest="use_mime_magic", action="store_false", help="Don't use mime magic when guessing MIME-type.")

     optparser.add_option("-m", "--mime-type", dest="mime_type", type="mimetype", metavar="MIME/TYPE", help="Force MIME-type. Override both --default-mime-type and --guess-mime-type.")

     optparser.add_option(      "--add-header", dest="add_header", action="append", metavar="NAME:VALUE", help="Add a given HTTP header to the upload request. Can be used multiple times. For instance set 'Expires' or 'Cache-Control' headers (or both) using this option.")

     optparser.add_option(      "--remove-header", dest="remove_headers", action="append", metavar="NAME", help="Remove a given HTTP header.  Can be used multiple times.  For instance, remove 'Expires' or 'Cache-Control' headers (or both) using this option. [modify]")

     optparser.add_option(      "--server-side-encryption", dest="server_side_encryption", action="store_true", help="Specifies that server-side encryption will be used when putting objects. [put, sync, cp, modify]")

     optparser.add_option(      "--server-side-encryption-kms-id", dest="kms_key", action="store", help="Specifies the key id used for server-side encryption with AWS KMS-Managed Keys (SSE-KMS) when putting objects. [put, sync, cp, modify]")

     optparser.add_option(      "--encoding", dest="encoding", metavar="ENCODING", help="Override autodetected terminal and filesystem encoding (character set). Autodetected: %s" % autodetected_encoding)

     optparser.add_option(      "--add-encoding-exts", dest="add_encoding_exts", metavar="EXTENSIONs", help="Add encoding to these comma delimited extensions i.e. (css,js,html) when uploading to S3 )")

     optparser.add_option(      "--verbatim", dest="urlencoding_mode", action="store_const", const="verbatim", help="Use the S3 name as given on the command line. No pre-processing, encoding, etc. Use with caution!")
 

     optparser.add_option(      "--disable-multipart", dest="enable_multipart", action="store_false", help="Disable multipart upload on files bigger than --multipart-chunk-size-mb")

     optparser.add_option(      "--multipart-chunk-size-mb", dest="multipart_chunk_size_mb", type="int", action="store", metavar="SIZE", help="Size of each chunk of a multipart upload. Files bigger than SIZE are automatically uploaded as multithreaded-multipart, smaller files are uploaded using the traditional method. SIZE is in Mega-Bytes, default chunk size is 15MB, minimum allowed chunk size is 5MB, maximum is 5GB.")

     optparser.add_option(      "--list-md5", dest="list_md5", action="store_true", help="Include MD5 sums in bucket listings (only for 'ls' command).")
     optparser.add_option("-H", "--human-readable-sizes", dest="human_readable_sizes", action="store_true", help="Print sizes in human readable form (eg 1kB instead of 1234).")
 

     optparser.add_option(      "--ws-index", dest="website_index", action="store", help="Name of index-document (only for [ws-create] command)")
     optparser.add_option(      "--ws-error", dest="website_error", action="store", help="Name of error-document (only for [ws-create] command)")

     optparser.add_option(      "--expiry-date", dest="expiry_date", action="store", help="Indicates when the expiration rule takes effect. (only for [expire] command)")
     optparser.add_option(      "--expiry-days", dest="expiry_days", action="store", help="Indicates the number of days after object creation the expiration rule takes effect. (only for [expire] command)")

     optparser.add_option(      "--expiry-prefix", dest="expiry_prefix", action="store", help="Identifying one or more objects with the prefix to which the expiration rule applies. (only for [expire] command)")
 

     optparser.add_option(      "--progress", dest="progress_meter", action="store_true", help="Display progress meter (default on TTY).")
     optparser.add_option(      "--no-progress", dest="progress_meter", action="store_false", help="Don't display progress meter (default on non-TTY).")

     optparser.add_option(      "--stats", dest="stats", action="store_true", help="Give some file-transfer stats.")

     optparser.add_option(      "--enable", dest="enable", action="store_true", help="Enable given CloudFront distribution (only for [cfmodify] command)")

     optparser.add_option(      "--disable", dest="enable", action="store_false", help="Disable given CloudFront distribution (only for [cfmodify] command)")

     optparser.add_option(      "--cf-invalidate", dest="invalidate_on_cf", action="store_true", help="Invalidate the uploaded filed in CloudFront. Also see [cfinval] command.")

     # joseprio: adding options to invalidate the default index and the default
     # index root

     optparser.add_option(      "--cf-invalidate-default-index", dest="invalidate_default_index_on_cf", action="store_true", help="When using Custom Origin and S3 static website, invalidate the default index file.")
     optparser.add_option(      "--cf-no-invalidate-default-index-root", dest="invalidate_default_index_root_on_cf", action="store_false", help="When using Custom Origin and S3 static website, don't invalidate the path to the default index file.")

     optparser.add_option(      "--cf-add-cname", dest="cf_cnames_add", action="append", metavar="CNAME", help="Add given CNAME to a CloudFront distribution (only for [cfcreate] and [cfmodify] commands)")
     optparser.add_option(      "--cf-remove-cname", dest="cf_cnames_remove", action="append", metavar="CNAME", help="Remove given CNAME from a CloudFront distribution (only for [cfmodify] command)")
     optparser.add_option(      "--cf-comment", dest="cf_comment", action="store", metavar="COMMENT", help="Set COMMENT for a given CloudFront distribution (only for [cfcreate] and [cfmodify] commands)")
     optparser.add_option(      "--cf-default-root-object", dest="cf_default_root_object", action="store", metavar="DEFAULT_ROOT_OBJECT", help="Set the default root object to return when no object is specified in the URL. Use a relative path, i.e. default/index.html instead of /default/index.html or s3://bucket/default/index.html (only for [cfcreate] and [cfmodify] commands)")
     optparser.add_option("-v", "--verbose", dest="verbosity", action="store_const", const=logging.INFO, help="Enable verbose output.")
     optparser.add_option("-d", "--debug", dest="verbosity", action="store_const", const=logging.DEBUG, help="Enable debug output.")
     optparser.add_option(      "--version", dest="show_version", action="store_true", help="Show s3cmd version (%s) and exit." % (PkgInfo.version))
     optparser.add_option("-F", "--follow-symlinks", dest="follow_symlinks", action="store_true", default=False, help="Follow symbolic links as if they are regular files")

     optparser.add_option(      "--cache-file", dest="cache_file", action="store", default="",  metavar="FILE", help="Cache FILE containing local source MD5 values")

     optparser.add_option("-q", "--quiet", dest="quiet", action="store_true", default=False, help="Silence output on stdout")

     optparser.add_option(      "--ca-certs", dest="ca_certs_file", action="store", default=None, help="Path to SSL CA certificate FILE (instead of system default)")
     optparser.add_option(      "--check-certificate", dest="check_ssl_certificate", action="store_true", help="Check SSL certificate validity")

     optparser.add_option(      "--no-check-certificate", dest="check_ssl_certificate", action="store_false", help="Do not check SSL certificate validity")

     optparser.add_option(      "--check-hostname", dest="check_ssl_hostname", action="store_true", help="Check SSL certificate hostname validity")
     optparser.add_option(      "--no-check-hostname", dest="check_ssl_hostname", action="store_false", help="Do not check SSL certificate hostname validity")

     optparser.add_option(      "--signature-v2", dest="signature_v2", action="store_true", help="Use AWS Signature version 2 instead of newer signature methods. Helpful for S3-like systems that don't have AWS Signature v4 yet.")
     optparser.add_option(      "--limit-rate", dest="limitrate", action="store", type="string", help="Limit the upload or download speed to amount bytes per second.  Amount may be expressed in bytes, kilobytes with the k suffix, or megabytes with the m suffix")
     optparser.add_option(      "--requester-pays", dest="requester_pays", action="store_true", help="Set the REQUESTER PAYS flag for operations")
     optparser.add_option("-l", "--long-listing", dest="long_listing", action="store_true", help="Produce long listing [ls]")

     optparser.add_option(      "--stop-on-error", dest="stop_on_error", action="store_true", help="stop if error in transfer")

     optparser.add_option(      "--content-disposition", dest="content_disposition", action="store", help="Provide a Content-Disposition for signed URLs, e.g., \"inline; filename=myvideo.mp4\"")
     optparser.add_option(      "--content-type", dest="content_type", action="store", help="Provide a Content-Type for signed URLs, e.g., \"video/mp4\"")

 
     optparser.set_usage(optparser.usage + " COMMAND [parameters]")
     optparser.set_description('S3cmd is a tool for managing objects in '+
         'Amazon S3 storage. It allows for making and removing '+
         '"buckets" and uploading, downloading and removing '+
         '"objects" from these buckets.')
     optparser.epilog = format_commands(optparser.get_prog_name(), commands_list)

     optparser.epilog += ("\nFor more information, updates and news, visit the s3cmd website:\n%s\n" % PkgInfo.url)

 
     (options, args) = optparser.parse_args()
 
     ## Some mucking with logging levels to enable
     ## debugging/verbose output for config file parser on request

     logging.basicConfig(level=options.verbosity or Config().verbosity,

                         format='%(levelname)s: %(message)s',
                         stream = sys.stderr)
 
     if options.show_version:
         output(u"s3cmd version %s" % PkgInfo.version)

         sys.exit(EX_OK)

     debug(u"s3cmd version %s" % PkgInfo.version)

     # TODO: PY3 warning, to remove when it will be stable
     if sys.version_info >= (3,0):
         warning("!!!!!!! Support for python3 is currently in a 'Work In Progress' state.\nPlease don't use s3cmd with python3 on production tasks or with sensitive data as unexpected behaviors could occur !!!!!!!")
 

     if options.quiet:

         try:
             f = open("/dev/null", "w")
             sys.stdout = f
         except IOError:

             warning(u"Unable to open /dev/null: --quiet disabled.")

     ## Now finally parse the config file
     if not options.config:
         error(u"Can't find a config file. Please use --config option.")

         sys.exit(EX_CONFIG)

 
     try:

         cfg = Config(options.config, options.access_key, options.secret_key, options.access_token)

     except IOError as e:

         if options.run_configure:
             cfg = Config()
         else:
             error(u"%s: %s"  % (options.config, e.strerror))
             error(u"Configuration file not available.")
             error(u"Consider using --configure parameter to create one.")

             sys.exit(EX_CONFIG)

     # allow commandline verbosity config to override config file
     if options.verbosity is not None:

         cfg.verbosity = options.verbosity
     logging.root.setLevel(cfg.verbosity)
     ## Unsupported features on Win32 platform
     if os.name == "nt":
         if cfg.preserve_attrs:
             error(u"Option --preserve is not yet supported on MS Windows platform. Assuming --no-preserve.")
             cfg.preserve_attrs = False
         if cfg.progress_meter:
             error(u"Option --progress is not yet supported on MS Windows platform. Assuming --no-progress.")
             cfg.progress_meter = False
 
     ## Pre-process --add-header's and put them to Config.extra_headers SortedDict()
     if options.add_header:
         for hdr in options.add_header:
             try:
                 key, val = hdr.split(":", 1)
             except ValueError:
                 raise ParameterError("Invalid header format: %s" % hdr)
             key_inval = re.sub("[a-zA-Z0-9-.]", "", key)
             if key_inval:
                 key_inval = key_inval.replace(" ", "<space>")
                 key_inval = key_inval.replace("\t", "<tab>")
                 raise ParameterError("Invalid character(s) in header name '%s': \"%s\"" % (key, key_inval))

             debug(u"Updating Config.Config extra_headers[%s] -> %s" % (key.strip().lower(), val.strip()))

             cfg.extra_headers[key.strip().lower()] = val.strip()

     # Process --remove-header
     if options.remove_headers:
         cfg.remove_headers = options.remove_headers
 

     ## --acl-grant/--acl-revoke arguments are pre-parsed by OptionS3ACL()
     if options.acl_grants:
         for grant in options.acl_grants:
             cfg.acl_grants.append(grant)
 
     if options.acl_revokes:
         for grant in options.acl_revokes:
             cfg.acl_revokes.append(grant)
 
     ## Process --(no-)check-md5
     if options.check_md5 == False:
         try:
             cfg.sync_checks.remove("md5")

             cfg.preserve_attrs_list.remove("md5")

         except Exception:

             pass

     if options.check_md5 == True:
         if cfg.sync_checks.count("md5") == 0:
             cfg.sync_checks.append("md5")
         if cfg.preserve_attrs_list.count("md5") == 0:
             cfg.preserve_attrs_list.append("md5")

 
     ## Update Config with other parameters
     for option in cfg.option_list():
         try:
             if getattr(options, option) != None:
                 debug(u"Updating Config.Config %s -> %s" % (option, getattr(options, option)))
                 cfg.update_option(option, getattr(options, option))
         except AttributeError:
             ## Some Config() options are not settable from command line
             pass
 
     ## Special handling for tri-state options (True, False, None)
     cfg.update_option("enable", options.enable)

     if options.acl_public is not None:
         cfg.update_option("acl_public", options.acl_public)

     ## Check multipart chunk constraints

     if cfg.multipart_chunk_size_mb < MultiPartUpload.MIN_CHUNK_SIZE_MB:
         raise ParameterError("Chunk size %d MB is too small, must be >= %d MB. Please adjust --multipart-chunk-size-mb" % (cfg.multipart_chunk_size_mb, MultiPartUpload.MIN_CHUNK_SIZE_MB))
     if cfg.multipart_chunk_size_mb > MultiPartUpload.MAX_CHUNK_SIZE_MB:
         raise ParameterError("Chunk size %d MB is too large, must be <= %d MB. Please adjust --multipart-chunk-size-mb" % (cfg.multipart_chunk_size_mb, MultiPartUpload.MAX_CHUNK_SIZE_MB))

     ## If an UploadId was provided, set put_continue True
     if options.upload_id is not None:
         cfg.upload_id = options.upload_id
         cfg.put_continue = True
 

     if cfg.upload_id and not cfg.multipart_chunk_size_mb:

         raise ParameterError("Must have --multipart-chunk-size-mb if using --put-continue or --upload-id")
 

     ## CloudFront's cf_enable and Config's enable share the same --enable switch
     options.cf_enable = options.enable
 
     ## CloudFront's cf_logging and Config's log_target_prefix share the same --log-target-prefix switch
     options.cf_logging = options.log_target_prefix
 
     ## Update CloudFront options if some were set
     for option in CfCmd.options.option_list():
         try:
             if getattr(options, option) != None:
                 debug(u"Updating CloudFront.Cmd %s -> %s" % (option, getattr(options, option)))
                 CfCmd.options.update_option(option, getattr(options, option))
         except AttributeError:
             ## Some CloudFront.Cmd.Options() options are not settable from command line
             pass
 

     if options.additional_destinations:
         cfg.additional_destinations = options.additional_destinations

     if options.files_from:
         cfg.files_from = options.files_from

     ## Set output and filesystem encoding for printing out filenames.

     try:
         # Support for python3
         # That don't need codecs if output is the
         # encoding of the system, but just in case, still use it.
         # For that, we need to use directly the binary buffer
         # of stdout/stderr

         sys.stdout = codecs.getwriter(cfg.encoding)(sys.stdout.buffer, "replace")
         sys.stderr = codecs.getwriter(cfg.encoding)(sys.stderr.buffer, "replace")

     except AttributeError:
         sys.stdout = codecs.getwriter(cfg.encoding)(sys.stdout, "replace")
         sys.stderr = codecs.getwriter(cfg.encoding)(sys.stderr, "replace")

 
     ## Process --exclude and --exclude-from
     patterns_list, patterns_textual = process_patterns(options.exclude, options.exclude_from, is_glob = True, option_txt = "exclude")
     cfg.exclude.extend(patterns_list)
     cfg.debug_exclude.update(patterns_textual)
 
     ## Process --rexclude and --rexclude-from
     patterns_list, patterns_textual = process_patterns(options.rexclude, options.rexclude_from, is_glob = False, option_txt = "rexclude")
     cfg.exclude.extend(patterns_list)
     cfg.debug_exclude.update(patterns_textual)
 
     ## Process --include and --include-from
     patterns_list, patterns_textual = process_patterns(options.include, options.include_from, is_glob = True, option_txt = "include")
     cfg.include.extend(patterns_list)
     cfg.debug_include.update(patterns_textual)
 
     ## Process --rinclude and --rinclude-from
     patterns_list, patterns_textual = process_patterns(options.rinclude, options.rinclude_from, is_glob = False, option_txt = "rinclude")
     cfg.include.extend(patterns_list)
     cfg.debug_include.update(patterns_textual)
 
     ## Set socket read()/write() timeout
     socket.setdefaulttimeout(cfg.socket_timeout)
 
     if cfg.encrypt and cfg.gpg_passphrase == "":
         error(u"Encryption requested but no passphrase set in config file.")
         error(u"Please re-run 's3cmd --configure' and supply it.")

         sys.exit(EX_CONFIG)

 
     if options.dump_config:
         cfg.dump_config(sys.stdout)

         sys.exit(EX_OK)

 
     if options.run_configure:

         # 'args' may contain the test-bucket URI

         run_configure(options.config, args)

         sys.exit(EX_OK)

     ## set config if stop_on_error is set
     if options.stop_on_error:
         cfg.stop_on_error = options.stop_on_error
 

     if options.content_disposition:
         cfg.content_disposition = options.content_disposition
 
     if options.content_type:
         cfg.content_type = options.content_type
 

     if len(args) < 1:

         optparser.print_help()

         sys.exit(EX_USAGE)

 
     ## Unicodise all remaining arguments:
     args = [unicodise(arg) for arg in args]
 
     command = args.pop(0)
     try:
         debug(u"Command: %s" % commands[command]["cmd"])
         ## We must do this lookup in extra step to
         ## avoid catching all KeyError exceptions
         ## from inner functions.
         cmd_func = commands[command]["func"]

     except KeyError as e:

         error(u"Invalid command: %s", command)

         sys.exit(EX_USAGE)

 
     if len(args) < commands[command]["argc"]:

         error(u"Not enough parameters for command '%s'" % command)

         sys.exit(EX_USAGE)

     rc = cmd_func(args)
     if rc is None: # if we missed any cmd_*() returns
         rc = EX_GENERAL
     return rc

 def report_exception(e, msg=u''):
         alert_header = u"""

 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
     An unexpected error has occurred.

   Please try reproducing the error using
   the latest s3cmd code from the git master
   branch found at:
     https://github.com/s3tools/s3cmd

   and have a look at the known issues list:
     https://github.com/s3tools/s3cmd/wiki/Common-known-issues-and-their-solutions

   If the error persists, please report the

   %s (removing any private

   info as necessary) to:

    s3tools-bugs@lists.sourceforge.net%s

 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 

 """
         sys.stderr.write(alert_header % (u"following lines", u"\n\n" + msg))

         tb = traceback.format_exc()

         try:

             s = u' '.join([unicodise(a) for a in sys.argv])

         except NameError:
             s = u' '.join([(a) for a in sys.argv])

         sys.stderr.write(u"Invoked as: %s\n" % s)

         e_class = str(e.__class__)
         e_class = e_class[e_class.rfind(".")+1 : -2]
         sys.stderr.write(u"Problem: %s: %s\n" % (e_class, e))
         try:

             sys.stderr.write(u"S3cmd:   %s\n" % PkgInfo.version)

         except NameError:

             sys.stderr.write(u"S3cmd:   unknown version. Module import problem?\n")
         sys.stderr.write(u"python:   %s\n" % sys.version)
         sys.stderr.write(u"environment LANG=%s\n" % os.getenv("LANG"))
         sys.stderr.write(u"\n")

         if type(tb) == unicode:
             sys.stderr.write(tb)
         else:
             sys.stderr.write(unicode(tb, errors="replace"))

 
         if type(e) == ImportError:
             sys.stderr.write("\n")
             sys.stderr.write("Your sys.path contains these entries:\n")
             for path in sys.path:
                 sys.stderr.write(u"\t%s\n" % path)
             sys.stderr.write("Now the question is where have the s3cmd modules been installed?\n")
 

         sys.stderr.write(alert_header % (u"above lines", u""))

 
 if __name__ == '__main__':

     try:
         ## Our modules
         ## Keep them in try/except block to
         ## detect any syntax errors in there

         from S3.ExitCodes import *

         from S3.Exceptions import *
         from S3 import PkgInfo
         from S3.S3 import S3
         from S3.Config import Config
         from S3.SortedDict import SortedDict

         from S3.FileDict import FileDict

         from S3.S3Uri import S3Uri
         from S3 import Utils

         from S3 import Crypto

         from S3.Utils import *

         from S3.Progress import Progress, StatsInfo

         from S3.CloudFront import Cmd as CfCmd
         from S3.CloudFront import CloudFront
         from S3.FileLists import *

         from S3.MultiPart import MultiPartUpload

     except Exception as e:

         report_exception(e, "Error loading some components of s3cmd (Import Error)")

         # 1 = EX_GENERAL but be safe in that situation
         sys.exit(1)

     try:

         rc = main()
         sys.exit(rc)

     except ImportError as e:

         report_exception(e)

         sys.exit(EX_GENERAL)

     except (ParameterError, InvalidFileError) as e:

         error(u"Parameter problem: %s" % e)

         sys.exit(EX_USAGE)

     except (S3DownloadError, S3UploadError, S3RequestError) as e:

         error(u"S3 Temporary Error: %s.  Please try again later." % e)
         sys.exit(EX_TEMPFAIL)
 

     except S3Error as e:

         error(u"S3 error: %s" % e)
         sys.exit(e.get_error_code())
 

     except (S3Exception, S3ResponseError, CloudFrontError) as e:

         report_exception(e)

         sys.exit(EX_SOFTWARE)

     except SystemExit as e:

         sys.exit(e.code)
 
     except KeyboardInterrupt:
         sys.stderr.write("See ya!\n")

         sys.exit(EX_BREAK)

     except SSLError as e:

         # SSLError is a subtype of IOError
         error("SSL certificate verification failure: %s" % e)
         sys.exit(EX_ACCESSDENIED)
 

     except socket.gaierror as e:

         # gaierror is a subset of IOError
         # typically encountered error is:
         # gaierror: [Errno -2] Name or service not known
         error(e)
         error("Connection Error: Error resolving a server hostname.\n"
               "Please check the servers address specified in 'host_base', 'host_bucket', 'cloudfront_host', 'website_endpoint'")
         sys.exit(EX_IOERR)
 

     except IOError as e:

         if e.errno == errno.EPIPE:
             # Fail silently on SIGPIPE. This likely means we wrote to a closed
             # pipe and user does not care for any more output.
             sys.exit(EX_IOERR)
 

         report_exception(e)

         sys.exit(EX_IOERR)

     except OSError as e:

         error(e)

         sys.exit(EX_OSERR)

     except MemoryError:
         msg = """
 MemoryError!  You have exceeded the amount of memory available for this process.
 This usually occurs when syncing >750,000 files on a 32-bit python instance.
 The solutions to this are:
 1) sync several smaller subtrees; or
 2) use a 64-bit python on a 64-bit OS with >8GB RAM
         """
         sys.stderr.write(msg)

         sys.exit(EX_OSERR)

     except UnicodeEncodeError as e:

         lang = os.getenv("LANG")
         msg = """
 You have encountered a UnicodeEncodeError.  Your environment
 variable LANG=%s may not specify a Unicode encoding (e.g. UTF-8).
 Please set LANG=en_US.UTF-8 or similar in your environment before
 invoking s3cmd.
         """ % lang
         report_exception(e, msg)

         sys.exit(EX_GENERAL)

     except Exception as e:

         report_exception(e)

         sys.exit(EX_GENERAL)

 
 # vim:et:ts=4:sts=4:ai