Revert "Add gsutil 4.13 to telemetry/third_party"

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

-# -*- coding: utf-8 -*-
-# Copyright 2013 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.
-"""FilePart implementation for representing part of a file."""
-
-from __future__ import absolute_import
-
-import os
-
-
-class FilePart(file):
-  """Subclass of the file API for representing part of a file.
-
-  This class behaves as a contiguous subset of a given file (e.g., this object
-  will behave as though the desired part of the file was written to another
-  file, and the second file was opened).
-  """
-
-  # pylint: disable=super-init-not-called
-  def __init__(self, filename, offset, length):
-    """Initializes the FilePart.
-
-    Args:
-      filename: The name of the existing file, of which this object represents
-                a part.
-      offset: The position (in bytes) in the original file that corresponds to
-              the first byte of the FilePart.
-      length: The total number of bytes in the FilePart.
-    """
-    self._fp = open(filename, 'rb')
-    self.length = length
-    self._start = offset
-    self._end = self._start + self.length
-    self._fp.seek(self._start)
-
-  def __enter__(self):
-    pass
-
-  # pylint: disable=redefined-builtin
-  def __exit__(self, type, value, traceback):
-    self.close()
-
-  def tell(self):
-    return self._fp.tell() - self._start
-
-  def read(self, size=-1):
-    if size < 0:
-      size = self.length
-    size = min(size, self._end - self._fp.tell())  # Only read to our EOF
-    return self._fp.read(max(0, size))
-
-  def seek(self, offset, whence=os.SEEK_SET):
-    if whence == os.SEEK_END:
-      return self._fp.seek(offset + self._end)
-    elif whence == os.SEEK_CUR:
-      return self._fp.seek(offset, whence)
-    else:
-      return self._fp.seek(self._start + offset)
-
-  def close(self):
-    self._fp.close()
-
-  def flush(self, size=None):
-    raise NotImplementedError('flush is not implemented in FilePart.')
-
-  def fileno(self, size=None):
-    raise NotImplementedError('fileno is not implemented in FilePart.')
-
-  def isatty(self, size=None):
-    raise NotImplementedError('isatty is not implemented in FilePart.')
-
-  def next(self, size=None):
-    raise NotImplementedError('next is not implemented in FilePart.')
-
-  def readline(self, size=None):
-    raise NotImplementedError('readline is not implemented in FilePart.')
-
-  def readlines(self, size=None):
-    raise NotImplementedError('readlines is not implemented in FilePart.')
-
-  def xreadlines(self, size=None):
-    raise NotImplementedError('xreadlines is not implemented in FilePart.')
-
-  def truncate(self, size=None):
-    raise NotImplementedError('truncate is not implemented in FilePart.')
-
-  def write(self, size=None):
-    raise NotImplementedError('write is not implemented in FilePart.')
-
-  def writelines(self, size=None):
-    raise NotImplementedError('writelines is not implemented in FilePart.')