Revert of Enable whitelist generation for all builds.

build/toolchain/wrapper_utils.py

-# Copyright (c) 2016 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.
-
-"""Helper functions for gcc_toolchain.gni wrappers."""
-
-import os
-import re
-import subprocess
-import shlex
-import sys
-
-_BAT_PREFIX = 'cmd /c call '
-_WHITELIST_RE = re.compile('whitelisted_resource_(?P<resource_id>[0-9]+)')
-
-
-def CommandToRun(command):
-  """Generates commands compatible with Windows.
-
-  When running on a Windows host and using a toolchain whose tools are
-  actually wrapper scripts (i.e. .bat files on Windows) rather than binary
-  executables, the |command| to run has to be prefixed with this magic.
-  The GN toolchain definitions take care of that for when GN/Ninja is
-  running the tool directly.  When that command is passed in to this
-  script, it appears as a unitary string but needs to be split up so that
-  just 'cmd' is the actual command given to Python's subprocess module.
-
-  Args:
-    command: List containing the UNIX style |command|.
-
-  Returns:
-    A list containing the Windows version of the |command|.
-  """
-  if command[0].startswith(_BAT_PREFIX):
-    command = command[0].split(None, 3) + command[1:]
-  return command
-
-
-def ResolveRspLinks(inputs):
-  """Return a list of files contained in a response file.
-
-  Args:
-    inputs: A command containing rsp files.
-
-  Returns:
-    A set containing the rsp file content."""
-  rspfiles = [a[1:] for a in inputs if a.startswith('@')]
-  resolved = set()
-  for rspfile in rspfiles:
-    with open(rspfile, 'r') as f:
-      resolved.update(shlex.split(f.read()))
-
-  return resolved
-
-
-def CombineResourceWhitelists(whitelist_candidates, outfile):
-  """Combines all whitelists for a resource file into a single whitelist.
-
-  Args:
-    whitelist_candidates: List of paths to rsp files containing all targets.
-    outfile: Path to save the combined whitelist.
-  """
-  whitelists = ('%s.whitelist' % candidate for candidate in whitelist_candidates
-                if os.path.exists('%s.whitelist' % candidate))
-
-  resources = set()
-  for whitelist in whitelists:
-    with open(whitelist, 'r') as f:
-      resources.update(f.readlines())
-
-  with open(outfile, 'w') as f:
-    f.writelines(resources)
-
-
-def ExtractResourceIdsFromPragmaWarnings(text):
-  """Returns set of resource IDs that are inside unknown pragma warnings.
-
-  Args:
-    text: The text that will be scanned for unknown pragma warnings.
-
-  Returns:
-    A set containing integers representing resource IDs.
-  """
-  used_resources = set()
-  lines = text.splitlines()
-  for ln in lines:
-    match = _WHITELIST_RE.search(ln)
-    if match:
-      resource_id = int(match.group('resource_id'))
-      used_resources.add(resource_id)
-
-  return used_resources
-
-
-def CaptureCommandStderr(command):
-  """Returns the stderr of a command.
-
-  Args:
-    args: A list containing the command and arguments.
-    cwd: The working directory from where the command should be made.
-    env: Environment variables for the new process.
-  """
-  child = subprocess.Popen(command, stderr=subprocess.PIPE)
-  _, stderr = child.communicate()
-  return child.returncode, stderr