| Index: third_party/gsutil/gslib/addlhelp/subdirs.py
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| diff --git a/third_party/gsutil/gslib/addlhelp/subdirs.py b/third_party/gsutil/gslib/addlhelp/subdirs.py
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| deleted file mode 100644
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| index d25b507c17bbcd1681fbdb08105c8ca3aaed67d7..0000000000000000000000000000000000000000
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| --- a/third_party/gsutil/gslib/addlhelp/subdirs.py
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| +++ /dev/null
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| @@ -1,110 +0,0 @@
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| -# Copyright 2012 Google Inc. All Rights Reserved.
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| -#
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| -# Licensed under the Apache License, Version 2.0 (the "License");
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| -# you may not use this file except in compliance with the License.
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| -# You may obtain a copy of the License at
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| -#
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| -# http://www.apache.org/licenses/LICENSE-2.0
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| -#
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| -# Unless required by applicable law or agreed to in writing, software
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| -# distributed under the License is distributed on an "AS IS" BASIS,
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| -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| -# See the License for the specific language governing permissions and
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| -# limitations under the License.
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| -
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| -from gslib.help_provider import HELP_NAME
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| -from gslib.help_provider import HELP_NAME_ALIASES
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| -from gslib.help_provider import HELP_ONE_LINE_SUMMARY
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| -from gslib.help_provider import HelpProvider
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| -from gslib.help_provider import HELP_TEXT
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| -from gslib.help_provider import HelpType
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| -from gslib.help_provider import HELP_TYPE
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| -
|
| -_detailed_help_text = ("""
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| -<B>OVERVIEW</B>
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| - This section provides details about how subdirectories work in gsutil.
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| - Most users probably don't need to know these details, and can simply use
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| - the commands (like cp -R) that work with subdirectories. We provide this
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| - additional documentation to help users understand how gsutil handles
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| - subdirectories differently than most GUI / web-based tools (e.g., why
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| - those other tools create "dir_$folder$" objects), and also to explain cost and
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| - performance implications of the gsutil approach, for those interested in such
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| - details.
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| -
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| - gsutil provides the illusion of a hierarchical file tree atop the "flat"
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| - name space supported by the Google Cloud Storage service. To the service,
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| - the object gs://bucket/abc/def/ghi.txt is just an object that happens to have
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| - "/" characters in its name. There are no "abc" or "abc/def" directories;
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| - just a single object with the given name.
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| -
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| - gsutil achieves the hierarchical file tree illusion by applying a variety of
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| - rules, to try to make naming work the way users would expect. For example, in
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| - order to determine whether to treat a destination URI as an object name or the
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| - root of a directory under which objects should be copied gsutil uses these
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| - rules:
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| -
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| - 1. If the destination object ends with a "/" gsutil treats it as a directory.
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| - For example, if you run the command:
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| -
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| - gsutil cp file gs://bucket/abc/
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| -
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| - gsutil will create the object gs://bucket/abc/file.
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| -
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| - 2. If you attempt to copy multiple source files to a destination URI, gsutil
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| - treats the destination URI as a directory. For example, if you run
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| - the command:
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| -
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| - gsutil cp -R dir gs://bucket/abc
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| -
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| - gsutil will create objects like gs://bucket/abc/dir/file1, etc. (assuming
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| - file1 is a file under the source dir).
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| -
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| - 3. If neither of the above rules applies, gsutil performs a bucket listing to
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| - determine if the target of the operation is a prefix match to the
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| - specified string. For example, if you run the command:
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| -
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| - gsutil cp file gs://bucket/abc
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| -
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| - gsutil will make a bucket listing request for the named bucket, using
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| - delimiter="/" and prefix="abc". It will then examine the bucket listing
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| - results and determine whether there are objects in the bucket whose path
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| - starts with gs://bucket/abc/, to determine whether to treat the target as
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| - an object name or a directory name. In turn this impacts the name of the
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| - object you create: If the above check indicates there is an "abc" directory
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| - you will end up with the object gs://bucket/abc/file; otherwise you will
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| - end up with the object gs://bucket/abc. (See "HOW NAMES ARE CONSTRUCTED"
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| - under "gsutil help cp" for more details.)
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| -
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| - This rule-based approach stands in contrast to the way many tools work, which
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| - create objects to mark the existence of folders (such as "dir_$folder$").
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| - gsutil understands several conventions used by such tools but does not
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| - require such marker objects to implement naming behavior consistent with
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| - UNIX commands.
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| -
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| - A downside of the gsutil approach is it requires an extra bucket listing
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| - before performing the needed cp or mv command. However those listings are
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| - relatively inexpensive, because they use delimiter and prefix parameters to
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| - limit result data. Moreover, gsutil makes only one bucket listing request
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| - per cp/mv command, and thus amortizes the bucket listing cost across all
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| - transferred objects (e.g., when performing a recursive copy of a directory
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| - to the cloud).
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| -""")
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| -
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| -
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| -class CommandOptions(HelpProvider):
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| - """Additional help about subdirectory handling in gsutil."""
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| -
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| - help_spec = {
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| - # Name of command or auxiliary help info for which this help applies.
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| - HELP_NAME : 'subdirs',
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| - # List of help name aliases.
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| - HELP_NAME_ALIASES : ['dirs', 'directory', 'directories', 'folder',
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| - 'folders', 'hierarchy', 'subdir', 'subdirectory',
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| - 'subdirectories'],
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| - # Type of help:
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| - HELP_TYPE : HelpType.ADDITIONAL_HELP,
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| - # One line summary of this help.
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| - HELP_ONE_LINE_SUMMARY : 'How subdirectories work in gsutil',
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| - # The full help text.
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| - HELP_TEXT : _detailed_help_text,
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| - }
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|
|