Remove telemetry/third_party/gsutilz

tools/telemetry/third_party/gsutilz/gslib/addlhelp/metadata.py

Index: tools/telemetry/third_party/gsutilz/gslib/addlhelp/metadata.py
diff --git a/tools/telemetry/third_party/gsutilz/gslib/addlhelp/metadata.py b/tools/telemetry/third_party/gsutilz/gslib/addlhelp/metadata.py
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--- a/tools/telemetry/third_party/gsutilz/gslib/addlhelp/metadata.py
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-# -*- coding: utf-8 -*-
-# Copyright 2012 Google Inc. All Rights Reserved.
-#
-# 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.
-"""Additional help about object metadata."""
-
-from __future__ import absolute_import
-
-from gslib.help_provider import HelpProvider
-
-_DETAILED_HELP_TEXT = ("""
-<B>OVERVIEW OF METADATA</B>
-  Objects can have associated metadata, which control aspects of how
-  GET requests are handled, including Content-Type, Cache-Control,
-  Content-Disposition, and Content-Encoding (discussed in more detail in
-  the subsections below). In addition, you can set custom metadata that
-  can be used by applications (e.g., tagging that particular objects possess
-  some property).
-
-  There are two ways to set metadata on objects:
-
-  - at upload time you can specify one or more headers to associate with
-    objects, using the gsutil -h option.  For example, the following command
-    would cause gsutil to set the Content-Type and Cache-Control for each
-    of the files being uploaded:
-
-      gsutil -h "Content-Type:text/html" \\
-             -h "Cache-Control:public, max-age=3600" cp -r images \\
-             gs://bucket/images
-
-    Note that -h is an option on the gsutil command, not the cp sub-command.
-
-  - You can set or remove metadata fields from already uploaded objects using
-    the gsutil setmeta command. See "gsutil help setmeta".
-
-  More details about specific pieces of metadata are discussed below.
-
-
-<B>CONTENT TYPE</B>
-  The most commonly set metadata is Content-Type (also known as MIME type),
-  which allows browsers to render the object properly.
-  gsutil sets the Content-Type automatically at upload time, based on each
-  filename extension. For example, uploading files with names ending in .txt
-  will set Content-Type to text/plain. If you're running gsutil on Linux or
-  MacOS and would prefer to have content type set based on naming plus content
-  examination, see the use_magicfile configuration variable in the gsutil/boto
-  configuration file (See also "gsutil help config"). In general, using
-  use_magicfile is more robust and configurable, but is not available on
-  Windows.
-
-  If you specify a Content-Type header with -h when uploading content (like the
-  example gsutil command given in the previous section), it overrides the
-  Content-Type that would have been set based on filename extension or content.
-  This can be useful if the Content-Type detection algorithm doesn't work as
-  desired for some of your files.
-
-  You can also completely suppress content type detection in gsutil, by
-  specifying an empty string on the Content-Type header:
-
-    gsutil -h 'Content-Type:' cp -r images gs://bucket/images
-
-  In this case, the Google Cloud Storage service will not attempt to detect
-  the content type. In general this approach will work better than using
-  filename extension-based content detection in gsutil, because the list of
-  filename extensions is kept more current in the server-side content detection
-  system than in the Python library upon which gsutil content type detection
-  depends. (For example, at the time of writing this, the filename extension
-  ".webp" was recognized by the server-side content detection system, but
-  not by gsutil.)
-
-
-<B>CACHE-CONTROL</B>
-  Another commonly set piece of metadata is Cache-Control, which allows
-  you to control whether and for how long browser and Internet caches are
-  allowed to cache your objects. Cache-Control only applies to objects with
-  a public-read ACL. Non-public data are not cacheable.
-
-  Here's an example of uploading an object set to allow caching:
-
-    gsutil -h "Cache-Control:public,max-age=3600" cp -a public-read \\
-           -r html gs://bucket/html
-
-  This command would upload all files in the html directory (and subdirectories)
-  and make them publicly readable and cacheable, with cache expiration of
-  one hour.
-
-  Note that if you allow caching, at download time you may see older versions
-  of objects after uploading a newer replacement object. Note also that because
-  objects can be cached at various places on the Internet there is no way to
-  force a cached object to expire globally (unlike the way you can force your
-  browser to refresh its cache).
-
-  Another use of the Cache-Control header is through the "no-transform" value,
-  which instructs Google Cloud Storage to not apply any content transformations
-  based on specifics of a download request, such as removing gzip
-  content-encoding for incompatible clients.  Note that this parameter is only
-  respected by the XML API. The Google Cloud Storage JSON API respects only the
-  no-cache and max-age Cache-Control parameters.
-
-  Note that if you upload an object with a public-read ACL and don't include a
-  Cache-Control header, it will be served with a Cache-Control header allowing
-  the object to be cached for 3600 seconds. This will not happen if the object
-  is uploaded with a non-public ACL and then changed to public. Moreover, if you
-  upload an object with a public-read ACL and later change the ACL not to be
-  public-read, the object will no longer be served with the default
-  Cache-Control header noted above (so will be served as not cacheable).
-  
-  For details about how to set the Cache-Control header see
-  "gsutil help setmeta".
-
-
-<B>CONTENT-ENCODING</B>
-  You can specify a Content-Encoding to indicate that an object is compressed
-  (for example, with gzip compression) while maintaining its Content-Type.
-  You will need to ensure that the files have been compressed using the
-  specified Content-Encoding before using gsutil to upload them. Consider the
-  following example for Linux:
-
-    echo "Highly compressible text" | gzip > foo.txt
-    gsutil -h "Content-Encoding:gzip" -h "Content-Type:text/plain" \\
-      cp foo.txt gs://bucket/compressed
-
-  Note that this is different from uploading a gzipped object foo.txt.gz with
-  Content-Type: application/x-gzip because most browsers are able to
-  dynamically decompress and process objects served with Content-Encoding: gzip
-  based on the underlying Content-Type.
-
-  For compressible content, using Content-Encoding: gzip saves network and
-  storage costs, and improves content serving performance. However, for content
-  that is already inherently compressed (archives and many media formats, for
-  instance) applying another level of compression via Content-Encoding is
-  typically detrimental to both object size and performance and should be
-  avoided.
-
-  Note also that gsutil provides an easy way to cause content to be compressed
-  and stored with Content-Encoding: gzip: see the -z option in "gsutil help cp".
-
-
-<B>CONTENT-DISPOSITION</B>
-  You can set Content-Disposition on your objects, to specify presentation
-  information about the data being transmitted. Here's an example:
-
-    gsutil -h 'Content-Disposition:attachment; filename=filename.ext' \\
-      cp -r attachments gs://bucket/attachments
-
-  Setting the Content-Disposition allows you to control presentation style
-  of the content, for example determining whether an attachment should be
-  automatically displayed vs should require some form of action from the user to
-  open it.  See http://www.w3.org/Protocols/rfc2616/rfc2616-sec19.html#sec19.5.1
-  for more details about the meaning of Content-Disposition.
-
-
-<B>CUSTOM METADATA</B>
-  You can add your own custom metadata (e.g,. for use by your application)
-  to an object by setting a header that starts with "x-goog-meta", for example:
-
-    gsutil -h x-goog-meta-reviewer:jane cp mycode.java gs://bucket/reviews
-
-  You can add multiple differently named custom metadata fields to each object.
-
-
-<B>SETTABLE FIELDS; FIELD VALUES</B>
-  You can't set some metadata fields, such as ETag and Content-Length. The
-  fields you can set are:
-
-  - Cache-Control
-  - Content-Disposition
-  - Content-Encoding
-  - Content-Language
-  - Content-MD5
-  - Content-Type
-  - Any field starting with a matching Cloud Storage Provider
-    prefix, such as x-goog-meta- (i.e., custom metadata).
-
-  Header names are case-insensitive.
-
-  x-goog-meta- fields can have data set to arbitrary Unicode values. All
-  other fields must have ASCII values.
-
-
-<B>VIEWING CURRENTLY SET METADATA</B>
-  You can see what metadata is currently set on an object by using:
-
-    gsutil ls -L gs://the_bucket/the_object
-""")
-
-
-class CommandOptions(HelpProvider):
-  """Additional help about object metadata."""
-
-  # Help specification. See help_provider.py for documentation.
-  help_spec = HelpProvider.HelpSpec(
-      help_name='metadata',
-      help_name_aliases=[
-          'cache-control', 'caching', 'content type', 'mime type', 'mime',
-          'type'],
-      help_type='additional_help',
-      help_one_line_summary='Working With Object Metadata',
-      help_text=_DETAILED_HELP_TEXT,
-      subcommand_help_text={},
-  )