Revert of Added virtualenv for depot_tools

bootstrap/util.py

-# Copyright 2014 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import ast
-import contextlib
-import os
-import platform
-import shutil
-import sys
-import tempfile
-
-
-ROOT = os.path.dirname(os.path.abspath(__file__))
-WHEELHOUSE = os.path.join(ROOT, 'wheelhouse')
-
-BUCKET = 'chrome-python-wheelhouse'
-STORAGE_URL = 'https://www.googleapis.com/storage/v1/b/{}/o'.format(BUCKET)
-OBJECT_URL = 'https://storage.googleapis.com/{}/{{}}#md5={{}}'.format(BUCKET)
-LOCAL_OBJECT_URL = 'file://{}'
-
-LOCAL_STORAGE_PATH = os.path.join(ROOT, 'wheelhouse_cache')
-
-SOURCE_URL = 'gs://{}/sources/{{}}'.format(BUCKET)
-WHEELS_URL = 'gs://{}/wheels/'.format(BUCKET)
-
-
-class DepsConflictException(Exception):
-  def __init__(self, name):
-    super(DepsConflictException, self).__init__(
-        'Package \'%s\' is defined twice in deps.pyl' % name)
-
-
-def platform_tag():
-  if sys.platform.startswith('linux'):
-    return '_{0}_{1}'.format(*platform.linux_distribution())
-  return ''
-
-
-def print_deps(deps, indent=1, with_implicit=True):
-  for dep, entry in deps.iteritems():
-    if not with_implicit and entry.get('implicit'):
-      continue
-    print '  ' * indent + '%s: %r' % (dep, entry)
-  print
-
-
-@contextlib.contextmanager
-def tempdir(*args, **kwargs):
-  tdir = None
-  try:
-    tdir = tempfile.mkdtemp(*args, **kwargs)
-    yield tdir
-  finally:
-    if tdir:
-      shutil.rmtree(tdir, ignore_errors=True)
-
-
-@contextlib.contextmanager
-def tempname(*args, **kwargs):
-  tmp = None
-  try:
-    tmp = tempfile.mktemp(*args, **kwargs)
-    yield tmp
-  finally:
-    if tmp:
-      try:
-        os.unlink(tmp)
-      except OSError:
-        pass
-
-
-def read_deps(path):
-  if os.path.exists(path):
-    with open(path, 'rb') as f:
-      return ast.literal_eval(f.read())
-
-
-def merge_deps(paths):
-  deps = {}
-  for path in paths:
-    d = read_deps(path)
-    for key in d:
-      if key in deps:
-        raise DepsConflictException(key)
-    deps.update(d)
-  return deps