Scripts to download files from google storage based on sha1 sums

third_party/gsutil/gslib/commands/setacl.py

Index: third_party/gsutil/gslib/commands/setacl.py
diff --git a/third_party/gsutil/gslib/commands/setacl.py b/third_party/gsutil/gslib/commands/setacl.py
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+# Copyright 2011 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from gslib.command import Command
+from gslib.command import COMMAND_NAME
+from gslib.command import COMMAND_NAME_ALIASES
+from gslib.command import CONFIG_REQUIRED
+from gslib.command import FILE_URIS_OK
+from gslib.command import MAX_ARGS
+from gslib.command import MIN_ARGS
+from gslib.command import PROVIDER_URIS_OK
+from gslib.command import SUPPORTED_SUB_ARGS
+from gslib.command import URIS_START_ARG
+from gslib.help_provider import HELP_NAME
+from gslib.help_provider import HELP_NAME_ALIASES
+from gslib.help_provider import HELP_ONE_LINE_SUMMARY
+from gslib.help_provider import HELP_TEXT
+from gslib.help_provider import HelpType
+from gslib.help_provider import HELP_TYPE
+from gslib.util import NO_MAX
+
+_detailed_help_text = ("""
+<B>SYNOPSIS</B>
+  gsutil setacl [-R] file-or-canned_acl_name uri...
+
+
+<B>DESCRIPTION</B>
+  The setacl command allows you to set an Access Control List on one or
+  more buckets and objects. The simplest way to use it is to specify one of
+  the canned ACLs, e.g.,:
+
+    gsutil setacl private gs://bucket
+
+  or:
+
+    gsutil setacl public-read gs://bucket/object
+
+  See "gsutil help acls" for a list of all canned ACLs.
+
+  If you want to define more fine-grained control over your data, you can
+  retrieve an ACL using the getacl command (see "gsutil help getacl"),
+  save the output to a file, edit the file, and then use the gsutil setacl
+  command to set that ACL on the buckets and/or objects. For example:
+
+    gsutil getacl gs://bucket/file.txt > acl.txt
+    (Make changes to acl.txt such as adding an additional grant.)
+    gsutil setacl acl.txt gs://cats/file.txt
+
+  Note that you can set an ACL on multiple buckets or objects at once,
+  for example:
+
+    gsutil setacl acl.txt gs://bucket/*.jpg
+
+  If you have a large number of ACLs to update you might want to use the
+  gsutil -m option, to perform a parallel (multi-threaded/multi-processing)
+  update:
+
+    gsutil -m setacl acl.txt gs://bucket/*.jpg
+
+  Note that multi-threading/multi-processing is only done when the named URIs
+  refer to objects. gsutil -m setacl gs://bucket1 gs://bucket2 will run the
+  setacl operations sequentially.
+
+
+<B>OPTIONS</B>
+  -R, -r      Performs setacl request recursively, to all objects under the
+              specified URI.
+
+  -a          Performs setacl request on all versions / generations.
+
+  -v          Parses uris for version / generation numbers (only applicable in 
+              version-enabled buckets). For example:
+
+                gsutil setacl -v public-read gs://bucket/object#1348772910166013
+
+              Note that wildcards are not permitted while using this flag.
+""")
+
+
+class SetAclCommand(Command):
+  """Implementation of gsutil setacl command."""
+
+  # Command specification (processed by parent class).
+  command_spec = {
+    # Name of command.
+    COMMAND_NAME : 'setacl',
+    # List of command name aliases.
+    COMMAND_NAME_ALIASES : [],
+    # Min number of args required by this command.
+    MIN_ARGS : 2,
+    # Max number of args required by this command, or NO_MAX.
+    MAX_ARGS : NO_MAX,
+    # Getopt-style string specifying acceptable sub args.
+    SUPPORTED_SUB_ARGS : 'aRrv',
+    # True if file URIs acceptable for this command.
+    FILE_URIS_OK : False,
+    # True if provider-only URIs acceptable for this command.
+    PROVIDER_URIS_OK : False,
+    # Index in args of first URI arg.
+    URIS_START_ARG : 1,
+    # True if must configure gsutil before running command.
+    CONFIG_REQUIRED : True,
+  }
+  help_spec = {
+    # Name of command or auxiliary help info for which this help applies.
+    HELP_NAME : 'setacl',
+    # List of help name aliases.
+    HELP_NAME_ALIASES : [],
+    # Type of help:
+    HELP_TYPE : HelpType.COMMAND_HELP,
+    # One line summary of this help.
+    HELP_ONE_LINE_SUMMARY : 'Set bucket and/or object ACLs',
+    # The full help text.
+    HELP_TEXT : _detailed_help_text,
+  }
+
+  # Command entry point.
+  def RunCommand(self):
+    if self.sub_opts:
+      for o, unused_a in self.sub_opts:
+        if o == '-a':
+          self.all_versions = True
+        elif o == '-r' or o == '-R':
+          self.recursion_requested = True
+        elif o == '-v':
+          self.parse_versions = True
+    self.SetAclCommandHelper()
+    return 0