Revert "Add gsutil 4.13 to telemetry/third_party"

tools/telemetry/third_party/gsutil/gslib/cat_helper.py

-# -*- coding: utf-8 -*-
-# Copyright 2014 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.
-"""Helper for cat and cp streaming download."""
-
-from __future__ import absolute_import
-
-import sys
-
-from gslib.exception import CommandException
-from gslib.wildcard_iterator import StorageUrlFromString
-
-
-class CatHelper(object):
-
-  def __init__(self, command_obj):
-    """Initializes the helper object.
-
-    Args:
-      command_obj: gsutil command instance of calling command.
-    """
-    self.command_obj = command_obj
-
-  def CatUrlStrings(self, url_strings, show_header=False, start_byte=0,
-                    end_byte=None):
-    """Prints each of the url strings to stdout.
-
-    Args:
-      url_strings: String iterable.
-      show_header: If true, print a header per file.
-      start_byte: Starting byte of the file to print, used for constructing
-                  range requests.
-      end_byte: Ending byte of the file to print; used for constructing range
-                requests. If this is negative, the start_byte is ignored and
-                and end range is sent over HTTP (such as range: bytes -9)
-    Returns:
-      0 on success.
-
-    Raises:
-      CommandException if no URLs can be found.
-    """
-    printed_one = False
-    # We manipulate the stdout so that all other data other than the Object
-    # contents go to stderr.
-    cat_outfd = sys.stdout
-    sys.stdout = sys.stderr
-    try:
-      for url_str in url_strings:
-        did_some_work = False
-        # TODO: Get only the needed fields here.
-        for blr in self.command_obj.WildcardIterator(url_str).IterObjects():
-          did_some_work = True
-          if show_header:
-            if printed_one:
-              print
-            print '==> %s <==' % blr
-            printed_one = True
-          cat_object = blr.root_object
-          storage_url = StorageUrlFromString(blr.url_string)
-          if storage_url.IsCloudUrl():
-            self.command_obj.gsutil_api.GetObjectMedia(
-                cat_object.bucket, cat_object.name, cat_outfd,
-                start_byte=start_byte, end_byte=end_byte,
-                object_size=cat_object.size, generation=storage_url.generation,
-                provider=storage_url.scheme)
-          else:
-            cat_outfd.write(open(storage_url.object_name, 'rb').read())
-        if not did_some_work:
-          raise CommandException('No URLs matched %s' % url_str)
-      sys.stdout = cat_outfd
-    finally:
-      sys.stdout = cat_outfd
-
-    return 0