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			1489 lines
		
	
	
		
			50 KiB
		
	
	
	
		
			Python
		
	
			
		
		
	
	
			1489 lines
		
	
	
		
			50 KiB
		
	
	
	
		
			Python
		
	
#!/usr/bin/env python
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						|
# Copyright (c) 2012 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Enables directory-specific presubmit checks to run at upload and/or commit.
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"""
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__version__ = '1.7.0'
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# TODO(joi) Add caching where appropriate/needed. The API is designed to allow
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# caching (between all different invocations of presubmit scripts for a given
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# change). We should add it as our presubmit scripts start feeling slow.
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import cpplint
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import cPickle  # Exposed through the API.
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import cStringIO  # Exposed through the API.
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import contextlib
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import fnmatch
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import glob
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import inspect
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import json  # Exposed through the API.
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import logging
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import marshal  # Exposed through the API.
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import multiprocessing
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import optparse
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import os  # Somewhat exposed through the API.
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import pickle  # Exposed through the API.
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import random
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import re  # Exposed through the API.
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import sys  # Parts exposed through API.
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import tempfile  # Exposed through the API.
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import time
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import traceback  # Exposed through the API.
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import types
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import unittest  # Exposed through the API.
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import urllib2  # Exposed through the API.
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from warnings import warn
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# Local imports.
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import fix_encoding
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import gclient_utils
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import owners
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import presubmit_canned_checks
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import rietveld
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import scm
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import subprocess2 as subprocess  # Exposed through the API.
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# Ask for feedback only once in program lifetime.
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_ASKED_FOR_FEEDBACK = False
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class PresubmitFailure(Exception):
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  pass
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class CommandData(object):
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  def __init__(self, name, cmd, kwargs, message):
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    self.name = name
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    self.cmd = cmd
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    self.kwargs = kwargs
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    self.message = message
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    self.info = None
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def normpath(path):
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  '''Version of os.path.normpath that also changes backward slashes to
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  forward slashes when not running on Windows.
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  '''
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  # This is safe to always do because the Windows version of os.path.normpath
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  # will replace forward slashes with backward slashes.
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  path = path.replace(os.sep, '/')
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  return os.path.normpath(path)
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def _RightHandSideLinesImpl(affected_files):
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  """Implements RightHandSideLines for InputApi and GclChange."""
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  for af in affected_files:
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    lines = af.ChangedContents()
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    for line in lines:
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      yield (af, line[0], line[1])
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class PresubmitOutput(object):
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  def __init__(self, input_stream=None, output_stream=None):
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    self.input_stream = input_stream
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    self.output_stream = output_stream
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    self.reviewers = []
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    self.written_output = []
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    self.error_count = 0
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  def prompt_yes_no(self, prompt_string):
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    self.write(prompt_string)
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    if self.input_stream:
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      response = self.input_stream.readline().strip().lower()
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      if response not in ('y', 'yes'):
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        self.fail()
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    else:
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      self.fail()
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  def fail(self):
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    self.error_count += 1
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  def should_continue(self):
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    return not self.error_count
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  def write(self, s):
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    self.written_output.append(s)
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    if self.output_stream:
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      self.output_stream.write(s)
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  def getvalue(self):
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    return ''.join(self.written_output)
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# Top level object so multiprocessing can pickle
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# Public access through OutputApi object.
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class _PresubmitResult(object):
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  """Base class for result objects."""
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  fatal = False
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  should_prompt = False
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  def __init__(self, message, items=None, long_text=''):
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    """
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    message: A short one-line message to indicate errors.
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    items: A list of short strings to indicate where errors occurred.
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    long_text: multi-line text output, e.g. from another tool
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    """
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    self._message = message
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    self._items = items or []
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    if items:
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      self._items = items
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    self._long_text = long_text.rstrip()
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  def handle(self, output):
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    output.write(self._message)
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    output.write('\n')
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    for index, item in enumerate(self._items):
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      output.write('  ')
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      # Write separately in case it's unicode.
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      output.write(str(item))
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      if index < len(self._items) - 1:
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        output.write(' \\')
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      output.write('\n')
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    if self._long_text:
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      output.write('\n***************\n')
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      # Write separately in case it's unicode.
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      output.write(self._long_text)
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      output.write('\n***************\n')
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    if self.fatal:
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      output.fail()
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# Top level object so multiprocessing can pickle
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# Public access through OutputApi object.
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class _PresubmitAddReviewers(_PresubmitResult):
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  """Add some suggested reviewers to the change."""
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  def __init__(self, reviewers):
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    super(_PresubmitAddReviewers, self).__init__('')
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    self.reviewers = reviewers
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  def handle(self, output):
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    output.reviewers.extend(self.reviewers)
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# Top level object so multiprocessing can pickle
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# Public access through OutputApi object.
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class _PresubmitError(_PresubmitResult):
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  """A hard presubmit error."""
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  fatal = True
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# Top level object so multiprocessing can pickle
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# Public access through OutputApi object.
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class _PresubmitPromptWarning(_PresubmitResult):
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  """An warning that prompts the user if they want to continue."""
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  should_prompt = True
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# Top level object so multiprocessing can pickle
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# Public access through OutputApi object.
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class _PresubmitNotifyResult(_PresubmitResult):
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  """Just print something to the screen -- but it's not even a warning."""
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  pass
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# Top level object so multiprocessing can pickle
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# Public access through OutputApi object.
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class _MailTextResult(_PresubmitResult):
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  """A warning that should be included in the review request email."""
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  def __init__(self, *args, **kwargs):
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    super(_MailTextResult, self).__init__()
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    raise NotImplementedError()
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class OutputApi(object):
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  """An instance of OutputApi gets passed to presubmit scripts so that they
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  can output various types of results.
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  """
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  PresubmitResult = _PresubmitResult
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  PresubmitAddReviewers = _PresubmitAddReviewers
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  PresubmitError = _PresubmitError
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  PresubmitPromptWarning = _PresubmitPromptWarning
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  PresubmitNotifyResult = _PresubmitNotifyResult
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  MailTextResult = _MailTextResult
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  def __init__(self, is_committing):
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    self.is_committing = is_committing
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  def PresubmitPromptOrNotify(self, *args, **kwargs):
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    """Warn the user when uploading, but only notify if committing."""
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    if self.is_committing:
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      return self.PresubmitNotifyResult(*args, **kwargs)
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    return self.PresubmitPromptWarning(*args, **kwargs)
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class InputApi(object):
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  """An instance of this object is passed to presubmit scripts so they can
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  know stuff about the change they're looking at.
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  """
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  # Method could be a function
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  # pylint: disable=R0201
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  # File extensions that are considered source files from a style guide
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  # perspective. Don't modify this list from a presubmit script!
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  #
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  # Files without an extension aren't included in the list. If you want to
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  # filter them as source files, add r"(^|.*?[\\\/])[^.]+$" to the white list.
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  # Note that ALL CAPS files are black listed in DEFAULT_BLACK_LIST below.
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  DEFAULT_WHITE_LIST = (
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      # C++ and friends
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      r".+\.c$", r".+\.cc$", r".+\.cpp$", r".+\.h$", r".+\.m$", r".+\.mm$",
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      r".+\.inl$", r".+\.asm$", r".+\.hxx$", r".+\.hpp$", r".+\.s$", r".+\.S$",
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      # Scripts
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      r".+\.js$", r".+\.py$", r".+\.sh$", r".+\.rb$", r".+\.pl$", r".+\.pm$",
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      # Other
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      r".+\.java$", r".+\.mk$", r".+\.am$", r".+\.css$"
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  )
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  # Path regexp that should be excluded from being considered containing source
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  # files. Don't modify this list from a presubmit script!
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  DEFAULT_BLACK_LIST = (
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      r"testing_support[\\\/]google_appengine[\\\/].*",
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      r".*\bexperimental[\\\/].*",
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      r".*\bthird_party[\\\/].*",
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      # Output directories (just in case)
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      r".*\bDebug[\\\/].*",
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      r".*\bRelease[\\\/].*",
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      r".*\bxcodebuild[\\\/].*",
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      r".*\bout[\\\/].*",
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      # All caps files like README and LICENCE.
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      r".*\b[A-Z0-9_]{2,}$",
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      # SCM (can happen in dual SCM configuration). (Slightly over aggressive)
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      r"(|.*[\\\/])\.git[\\\/].*",
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      r"(|.*[\\\/])\.svn[\\\/].*",
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      # There is no point in processing a patch file.
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      r".+\.diff$",
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      r".+\.patch$",
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  )
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  def __init__(self, change, presubmit_path, is_committing,
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      rietveld_obj, verbose):
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    """Builds an InputApi object.
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    Args:
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      change: A presubmit.Change object.
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      presubmit_path: The path to the presubmit script being processed.
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      is_committing: True if the change is about to be committed.
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      rietveld_obj: rietveld.Rietveld client object
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    """
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    # Version number of the presubmit_support script.
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    self.version = [int(x) for x in __version__.split('.')]
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    self.change = change
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    self.is_committing = is_committing
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    self.rietveld = rietveld_obj
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    # TBD
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    self.host_url = 'http://codereview.chromium.org'
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    if self.rietveld:
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      self.host_url = self.rietveld.url
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    # We expose various modules and functions as attributes of the input_api
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    # so that presubmit scripts don't have to import them.
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    self.basename = os.path.basename
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    self.cPickle = cPickle
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    self.cpplint = cpplint
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    self.cStringIO = cStringIO
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    self.glob = glob.glob
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    self.json = json
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    self.logging = logging.getLogger('PRESUBMIT')
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    self.os_listdir = os.listdir
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    self.os_walk = os.walk
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    self.os_path = os.path
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    self.pickle = pickle
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    self.marshal = marshal
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						|
    self.re = re
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    self.subprocess = subprocess
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    self.tempfile = tempfile
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						|
    self.time = time
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						|
    self.traceback = traceback
 | 
						|
    self.unittest = unittest
 | 
						|
    self.urllib2 = urllib2
 | 
						|
 | 
						|
    # To easily fork python.
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    self.python_executable = sys.executable
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    self.environ = os.environ
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 | 
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    # InputApi.platform is the platform you're currently running on.
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    self.platform = sys.platform
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    # The local path of the currently-being-processed presubmit script.
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    self._current_presubmit_path = os.path.dirname(presubmit_path)
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    # We carry the canned checks so presubmit scripts can easily use them.
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    self.canned_checks = presubmit_canned_checks
 | 
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 | 
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    # TODO(dpranke): figure out a list of all approved owners for a repo
 | 
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    # in order to be able to handle wildcard OWNERS files?
 | 
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    self.owners_db = owners.Database(change.RepositoryRoot(),
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        fopen=file, os_path=self.os_path, glob=self.glob)
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						|
    self.verbose = verbose
 | 
						|
    self.Command = CommandData
 | 
						|
 | 
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    # Replace <hash_map> and <hash_set> as headers that need to be included
 | 
						|
    # with "base/containers/hash_tables.h" instead.
 | 
						|
    # Access to a protected member _XX of a client class
 | 
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    # pylint: disable=W0212
 | 
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    self.cpplint._re_pattern_templates = [
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      (a, b, 'base/containers/hash_tables.h')
 | 
						|
        if header in ('<hash_map>', '<hash_set>') else (a, b, header)
 | 
						|
      for (a, b, header) in cpplint._re_pattern_templates
 | 
						|
    ]
 | 
						|
 | 
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  def PresubmitLocalPath(self):
 | 
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    """Returns the local path of the presubmit script currently being run.
 | 
						|
 | 
						|
    This is useful if you don't want to hard-code absolute paths in the
 | 
						|
    presubmit script.  For example, It can be used to find another file
 | 
						|
    relative to the PRESUBMIT.py script, so the whole tree can be branched and
 | 
						|
    the presubmit script still works, without editing its content.
 | 
						|
    """
 | 
						|
    return self._current_presubmit_path
 | 
						|
 | 
						|
  def DepotToLocalPath(self, depot_path):
 | 
						|
    """Translate a depot path to a local path (relative to client root).
 | 
						|
 | 
						|
    Args:
 | 
						|
      Depot path as a string.
 | 
						|
 | 
						|
    Returns:
 | 
						|
      The local path of the depot path under the user's current client, or None
 | 
						|
      if the file is not mapped.
 | 
						|
 | 
						|
      Remember to check for the None case and show an appropriate error!
 | 
						|
    """
 | 
						|
    return scm.SVN.CaptureLocalInfo([depot_path], self.change.RepositoryRoot()
 | 
						|
        ).get('Path')
 | 
						|
 | 
						|
  def LocalToDepotPath(self, local_path):
 | 
						|
    """Translate a local path to a depot path.
 | 
						|
 | 
						|
    Args:
 | 
						|
      Local path (relative to current directory, or absolute) as a string.
 | 
						|
 | 
						|
    Returns:
 | 
						|
      The depot path (SVN URL) of the file if mapped, otherwise None.
 | 
						|
    """
 | 
						|
    return scm.SVN.CaptureLocalInfo([local_path], self.change.RepositoryRoot()
 | 
						|
        ).get('URL')
 | 
						|
 | 
						|
  def AffectedFiles(self, include_dirs=False, include_deletes=True,
 | 
						|
                    file_filter=None):
 | 
						|
    """Same as input_api.change.AffectedFiles() except only lists files
 | 
						|
    (and optionally directories) in the same directory as the current presubmit
 | 
						|
    script, or subdirectories thereof.
 | 
						|
    """
 | 
						|
    dir_with_slash = normpath("%s/" % self.PresubmitLocalPath())
 | 
						|
    if len(dir_with_slash) == 1:
 | 
						|
      dir_with_slash = ''
 | 
						|
 | 
						|
    return filter(
 | 
						|
        lambda x: normpath(x.AbsoluteLocalPath()).startswith(dir_with_slash),
 | 
						|
        self.change.AffectedFiles(include_dirs, include_deletes, file_filter))
 | 
						|
 | 
						|
  def LocalPaths(self, include_dirs=False):
 | 
						|
    """Returns local paths of input_api.AffectedFiles()."""
 | 
						|
    return [af.LocalPath() for af in self.AffectedFiles(include_dirs)]
 | 
						|
 | 
						|
  def AbsoluteLocalPaths(self, include_dirs=False):
 | 
						|
    """Returns absolute local paths of input_api.AffectedFiles()."""
 | 
						|
    return [af.AbsoluteLocalPath() for af in self.AffectedFiles(include_dirs)]
 | 
						|
 | 
						|
  def ServerPaths(self, include_dirs=False):
 | 
						|
    """Returns server paths of input_api.AffectedFiles()."""
 | 
						|
    return [af.ServerPath() for af in self.AffectedFiles(include_dirs)]
 | 
						|
 | 
						|
  def AffectedTextFiles(self, include_deletes=None):
 | 
						|
    """Same as input_api.change.AffectedTextFiles() except only lists files
 | 
						|
    in the same directory as the current presubmit script, or subdirectories
 | 
						|
    thereof.
 | 
						|
    """
 | 
						|
    if include_deletes is not None:
 | 
						|
      warn("AffectedTextFiles(include_deletes=%s)"
 | 
						|
               " is deprecated and ignored" % str(include_deletes),
 | 
						|
           category=DeprecationWarning,
 | 
						|
           stacklevel=2)
 | 
						|
    return filter(lambda x: x.IsTextFile(),
 | 
						|
                  self.AffectedFiles(include_dirs=False, include_deletes=False))
 | 
						|
 | 
						|
  def FilterSourceFile(self, affected_file, white_list=None, black_list=None):
 | 
						|
    """Filters out files that aren't considered "source file".
 | 
						|
 | 
						|
    If white_list or black_list is None, InputApi.DEFAULT_WHITE_LIST
 | 
						|
    and InputApi.DEFAULT_BLACK_LIST is used respectively.
 | 
						|
 | 
						|
    The lists will be compiled as regular expression and
 | 
						|
    AffectedFile.LocalPath() needs to pass both list.
 | 
						|
 | 
						|
    Note: Copy-paste this function to suit your needs or use a lambda function.
 | 
						|
    """
 | 
						|
    def Find(affected_file, items):
 | 
						|
      local_path = affected_file.LocalPath()
 | 
						|
      for item in items:
 | 
						|
        if self.re.match(item, local_path):
 | 
						|
          logging.debug("%s matched %s" % (item, local_path))
 | 
						|
          return True
 | 
						|
      return False
 | 
						|
    return (Find(affected_file, white_list or self.DEFAULT_WHITE_LIST) and
 | 
						|
            not Find(affected_file, black_list or self.DEFAULT_BLACK_LIST))
 | 
						|
 | 
						|
  def AffectedSourceFiles(self, source_file):
 | 
						|
    """Filter the list of AffectedTextFiles by the function source_file.
 | 
						|
 | 
						|
    If source_file is None, InputApi.FilterSourceFile() is used.
 | 
						|
    """
 | 
						|
    if not source_file:
 | 
						|
      source_file = self.FilterSourceFile
 | 
						|
    return filter(source_file, self.AffectedTextFiles())
 | 
						|
 | 
						|
  def RightHandSideLines(self, source_file_filter=None):
 | 
						|
    """An iterator over all text lines in "new" version of changed files.
 | 
						|
 | 
						|
    Only lists lines from new or modified text files in the change that are
 | 
						|
    contained by the directory of the currently executing presubmit script.
 | 
						|
 | 
						|
    This is useful for doing line-by-line regex checks, like checking for
 | 
						|
    trailing whitespace.
 | 
						|
 | 
						|
    Yields:
 | 
						|
      a 3 tuple:
 | 
						|
        the AffectedFile instance of the current file;
 | 
						|
        integer line number (1-based); and
 | 
						|
        the contents of the line as a string.
 | 
						|
 | 
						|
    Note: The carriage return (LF or CR) is stripped off.
 | 
						|
    """
 | 
						|
    files = self.AffectedSourceFiles(source_file_filter)
 | 
						|
    return _RightHandSideLinesImpl(files)
 | 
						|
 | 
						|
  def ReadFile(self, file_item, mode='r'):
 | 
						|
    """Reads an arbitrary file.
 | 
						|
 | 
						|
    Deny reading anything outside the repository.
 | 
						|
    """
 | 
						|
    if isinstance(file_item, AffectedFile):
 | 
						|
      file_item = file_item.AbsoluteLocalPath()
 | 
						|
    if not file_item.startswith(self.change.RepositoryRoot()):
 | 
						|
      raise IOError('Access outside the repository root is denied.')
 | 
						|
    return gclient_utils.FileRead(file_item, mode)
 | 
						|
 | 
						|
  @property
 | 
						|
  def tbr(self):
 | 
						|
    """Returns if a change is TBR'ed."""
 | 
						|
    return 'TBR' in self.change.tags
 | 
						|
 | 
						|
  def RunTests(self, tests_mix, parallel=True):
 | 
						|
    tests = []
 | 
						|
    msgs = []
 | 
						|
    for t in tests_mix:
 | 
						|
      if isinstance(t, OutputApi.PresubmitResult):
 | 
						|
        msgs.append(t)
 | 
						|
      else:
 | 
						|
        assert issubclass(t.message, _PresubmitResult)
 | 
						|
        tests.append(t)
 | 
						|
        if self.verbose:
 | 
						|
          t.info = _PresubmitNotifyResult
 | 
						|
    if len(tests) > 1 and parallel:
 | 
						|
      pool = multiprocessing.Pool()
 | 
						|
      # async recipe works around multiprocessing bug handling Ctrl-C
 | 
						|
      msgs.extend(pool.map_async(CallCommand, tests).get(99999))
 | 
						|
      pool.close()
 | 
						|
      pool.join()
 | 
						|
    else:
 | 
						|
      msgs.extend(map(CallCommand, tests))
 | 
						|
    return [m for m in msgs if m]
 | 
						|
 | 
						|
 | 
						|
class _DiffCache(object):
 | 
						|
  """Caches diffs retrieved from a particular SCM."""
 | 
						|
 | 
						|
  def GetDiff(self, path, local_root):
 | 
						|
    """Get the diff for a particular path."""
 | 
						|
    raise NotImplementedError()
 | 
						|
 | 
						|
 | 
						|
class _SvnDiffCache(_DiffCache):
 | 
						|
  """DiffCache implementation for subversion."""
 | 
						|
  def __init__(self):
 | 
						|
    super(_SvnDiffCache, self).__init__()
 | 
						|
    self._diffs_by_file = {}
 | 
						|
 | 
						|
  def GetDiff(self, path, local_root):
 | 
						|
    if path not in self._diffs_by_file:
 | 
						|
      self._diffs_by_file[path] = scm.SVN.GenerateDiff([path], local_root,
 | 
						|
                                                       False, None)
 | 
						|
    return self._diffs_by_file[path]
 | 
						|
 | 
						|
 | 
						|
class _GitDiffCache(_DiffCache):
 | 
						|
  """DiffCache implementation for git; gets all file diffs at once."""
 | 
						|
  def __init__(self):
 | 
						|
    super(_GitDiffCache, self).__init__()
 | 
						|
    self._diffs_by_file = None
 | 
						|
 | 
						|
  def GetDiff(self, path, local_root):
 | 
						|
    if not self._diffs_by_file:
 | 
						|
      # Compute a single diff for all files and parse the output; should
 | 
						|
      # with git this is much faster than computing one diff for each file.
 | 
						|
      diffs = {}
 | 
						|
 | 
						|
      # Don't specify any filenames below, because there are command line length
 | 
						|
      # limits on some platforms and GenerateDiff would fail.
 | 
						|
      unified_diff = scm.GIT.GenerateDiff(local_root, files=[], full_move=True)
 | 
						|
 | 
						|
      # This regex matches the path twice, separated by a space. Note that
 | 
						|
      # filename itself may contain spaces.
 | 
						|
      file_marker = re.compile('^diff --git (?P<filename>.*) (?P=filename)$')
 | 
						|
      current_diff = []
 | 
						|
      keep_line_endings = True
 | 
						|
      for x in unified_diff.splitlines(keep_line_endings):
 | 
						|
        match = file_marker.match(x)
 | 
						|
        if match:
 | 
						|
          # Marks the start of a new per-file section.
 | 
						|
          diffs[match.group('filename')] = current_diff = [x]
 | 
						|
        elif x.startswith('diff --git'):
 | 
						|
          raise PresubmitFailure('Unexpected diff line: %s' % x)
 | 
						|
        else:
 | 
						|
          current_diff.append(x)
 | 
						|
 | 
						|
      self._diffs_by_file = dict(
 | 
						|
        (normpath(path), ''.join(diff)) for path, diff in diffs.items())
 | 
						|
 | 
						|
    if path not in self._diffs_by_file:
 | 
						|
      raise PresubmitFailure(
 | 
						|
          'Unified diff did not contain entry for file %s' % path)
 | 
						|
 | 
						|
    return self._diffs_by_file[path]
 | 
						|
 | 
						|
 | 
						|
class AffectedFile(object):
 | 
						|
  """Representation of a file in a change."""
 | 
						|
 | 
						|
  DIFF_CACHE = _DiffCache
 | 
						|
 | 
						|
  # Method could be a function
 | 
						|
  # pylint: disable=R0201
 | 
						|
  def __init__(self, path, action, repository_root, diff_cache=None):
 | 
						|
    self._path = path
 | 
						|
    self._action = action
 | 
						|
    self._local_root = repository_root
 | 
						|
    self._is_directory = None
 | 
						|
    self._properties = {}
 | 
						|
    self._cached_changed_contents = None
 | 
						|
    self._cached_new_contents = None
 | 
						|
    if diff_cache:
 | 
						|
      self._diff_cache = diff_cache
 | 
						|
    else:
 | 
						|
      self._diff_cache = self.DIFF_CACHE()
 | 
						|
    logging.debug('%s(%s)' % (self.__class__.__name__, self._path))
 | 
						|
 | 
						|
  def ServerPath(self):
 | 
						|
    """Returns a path string that identifies the file in the SCM system.
 | 
						|
 | 
						|
    Returns the empty string if the file does not exist in SCM.
 | 
						|
    """
 | 
						|
    return ''
 | 
						|
 | 
						|
  def LocalPath(self):
 | 
						|
    """Returns the path of this file on the local disk relative to client root.
 | 
						|
    """
 | 
						|
    return normpath(self._path)
 | 
						|
 | 
						|
  def AbsoluteLocalPath(self):
 | 
						|
    """Returns the absolute path of this file on the local disk.
 | 
						|
    """
 | 
						|
    return os.path.abspath(os.path.join(self._local_root, self.LocalPath()))
 | 
						|
 | 
						|
  def IsDirectory(self):
 | 
						|
    """Returns true if this object is a directory."""
 | 
						|
    if self._is_directory is None:
 | 
						|
      path = self.AbsoluteLocalPath()
 | 
						|
      self._is_directory = (os.path.exists(path) and
 | 
						|
                            os.path.isdir(path))
 | 
						|
    return self._is_directory
 | 
						|
 | 
						|
  def Action(self):
 | 
						|
    """Returns the action on this opened file, e.g. A, M, D, etc."""
 | 
						|
    # TODO(maruel): Somewhat crappy, Could be "A" or "A  +" for svn but
 | 
						|
    # different for other SCM.
 | 
						|
    return self._action
 | 
						|
 | 
						|
  def Property(self, property_name):
 | 
						|
    """Returns the specified SCM property of this file, or None if no such
 | 
						|
    property.
 | 
						|
    """
 | 
						|
    return self._properties.get(property_name, None)
 | 
						|
 | 
						|
  def IsTextFile(self):
 | 
						|
    """Returns True if the file is a text file and not a binary file.
 | 
						|
 | 
						|
    Deleted files are not text file."""
 | 
						|
    raise NotImplementedError()  # Implement when needed
 | 
						|
 | 
						|
  def NewContents(self):
 | 
						|
    """Returns an iterator over the lines in the new version of file.
 | 
						|
 | 
						|
    The new version is the file in the user's workspace, i.e. the "right hand
 | 
						|
    side".
 | 
						|
 | 
						|
    Contents will be empty if the file is a directory or does not exist.
 | 
						|
    Note: The carriage returns (LF or CR) are stripped off.
 | 
						|
    """
 | 
						|
    if self._cached_new_contents is None:
 | 
						|
      self._cached_new_contents = []
 | 
						|
      if not self.IsDirectory():
 | 
						|
        try:
 | 
						|
          self._cached_new_contents = gclient_utils.FileRead(
 | 
						|
              self.AbsoluteLocalPath(), 'rU').splitlines()
 | 
						|
        except IOError:
 | 
						|
          pass  # File not found?  That's fine; maybe it was deleted.
 | 
						|
    return self._cached_new_contents[:]
 | 
						|
 | 
						|
  def ChangedContents(self):
 | 
						|
    """Returns a list of tuples (line number, line text) of all new lines.
 | 
						|
 | 
						|
     This relies on the scm diff output describing each changed code section
 | 
						|
     with a line of the form
 | 
						|
 | 
						|
     ^@@ <old line num>,<old size> <new line num>,<new size> @@$
 | 
						|
    """
 | 
						|
    if self._cached_changed_contents is not None:
 | 
						|
      return self._cached_changed_contents[:]
 | 
						|
    self._cached_changed_contents = []
 | 
						|
    line_num = 0
 | 
						|
 | 
						|
    if self.IsDirectory():
 | 
						|
      return []
 | 
						|
 | 
						|
    for line in self.GenerateScmDiff().splitlines():
 | 
						|
      m = re.match(r'^@@ [0-9\,\+\-]+ \+([0-9]+)\,[0-9]+ @@', line)
 | 
						|
      if m:
 | 
						|
        line_num = int(m.groups(1)[0])
 | 
						|
        continue
 | 
						|
      if line.startswith('+') and not line.startswith('++'):
 | 
						|
        self._cached_changed_contents.append((line_num, line[1:]))
 | 
						|
      if not line.startswith('-'):
 | 
						|
        line_num += 1
 | 
						|
    return self._cached_changed_contents[:]
 | 
						|
 | 
						|
  def __str__(self):
 | 
						|
    return self.LocalPath()
 | 
						|
 | 
						|
  def GenerateScmDiff(self):
 | 
						|
    return self._diff_cache.GetDiff(self.LocalPath(), self._local_root)
 | 
						|
 | 
						|
 | 
						|
class SvnAffectedFile(AffectedFile):
 | 
						|
  """Representation of a file in a change out of a Subversion checkout."""
 | 
						|
  # Method 'NNN' is abstract in class 'NNN' but is not overridden
 | 
						|
  # pylint: disable=W0223
 | 
						|
 | 
						|
  DIFF_CACHE = _SvnDiffCache
 | 
						|
 | 
						|
  def __init__(self, *args, **kwargs):
 | 
						|
    AffectedFile.__init__(self, *args, **kwargs)
 | 
						|
    self._server_path = None
 | 
						|
    self._is_text_file = None
 | 
						|
 | 
						|
  def ServerPath(self):
 | 
						|
    if self._server_path is None:
 | 
						|
      self._server_path = scm.SVN.CaptureLocalInfo(
 | 
						|
          [self.LocalPath()], self._local_root).get('URL', '')
 | 
						|
    return self._server_path
 | 
						|
 | 
						|
  def IsDirectory(self):
 | 
						|
    if self._is_directory is None:
 | 
						|
      path = self.AbsoluteLocalPath()
 | 
						|
      if os.path.exists(path):
 | 
						|
        # Retrieve directly from the file system; it is much faster than
 | 
						|
        # querying subversion, especially on Windows.
 | 
						|
        self._is_directory = os.path.isdir(path)
 | 
						|
      else:
 | 
						|
        self._is_directory = scm.SVN.CaptureLocalInfo(
 | 
						|
            [self.LocalPath()], self._local_root
 | 
						|
            ).get('Node Kind') in ('dir', 'directory')
 | 
						|
    return self._is_directory
 | 
						|
 | 
						|
  def Property(self, property_name):
 | 
						|
    if not property_name in self._properties:
 | 
						|
      self._properties[property_name] = scm.SVN.GetFileProperty(
 | 
						|
          self.LocalPath(), property_name, self._local_root).rstrip()
 | 
						|
    return self._properties[property_name]
 | 
						|
 | 
						|
  def IsTextFile(self):
 | 
						|
    if self._is_text_file is None:
 | 
						|
      if self.Action() == 'D':
 | 
						|
        # A deleted file is not a text file.
 | 
						|
        self._is_text_file = False
 | 
						|
      elif self.IsDirectory():
 | 
						|
        self._is_text_file = False
 | 
						|
      else:
 | 
						|
        mime_type = scm.SVN.GetFileProperty(
 | 
						|
            self.LocalPath(), 'svn:mime-type', self._local_root)
 | 
						|
        self._is_text_file = (not mime_type or mime_type.startswith('text/'))
 | 
						|
    return self._is_text_file
 | 
						|
 | 
						|
 | 
						|
class GitAffectedFile(AffectedFile):
 | 
						|
  """Representation of a file in a change out of a git checkout."""
 | 
						|
  # Method 'NNN' is abstract in class 'NNN' but is not overridden
 | 
						|
  # pylint: disable=W0223
 | 
						|
 | 
						|
  DIFF_CACHE = _GitDiffCache
 | 
						|
 | 
						|
  def __init__(self, *args, **kwargs):
 | 
						|
    AffectedFile.__init__(self, *args, **kwargs)
 | 
						|
    self._server_path = None
 | 
						|
    self._is_text_file = None
 | 
						|
 | 
						|
  def ServerPath(self):
 | 
						|
    if self._server_path is None:
 | 
						|
      raise NotImplementedError('TODO(maruel) Implement.')
 | 
						|
    return self._server_path
 | 
						|
 | 
						|
  def IsDirectory(self):
 | 
						|
    if self._is_directory is None:
 | 
						|
      path = self.AbsoluteLocalPath()
 | 
						|
      if os.path.exists(path):
 | 
						|
        # Retrieve directly from the file system; it is much faster than
 | 
						|
        # querying subversion, especially on Windows.
 | 
						|
        self._is_directory = os.path.isdir(path)
 | 
						|
      else:
 | 
						|
        self._is_directory = False
 | 
						|
    return self._is_directory
 | 
						|
 | 
						|
  def Property(self, property_name):
 | 
						|
    if not property_name in self._properties:
 | 
						|
      raise NotImplementedError('TODO(maruel) Implement.')
 | 
						|
    return self._properties[property_name]
 | 
						|
 | 
						|
  def IsTextFile(self):
 | 
						|
    if self._is_text_file is None:
 | 
						|
      if self.Action() == 'D':
 | 
						|
        # A deleted file is not a text file.
 | 
						|
        self._is_text_file = False
 | 
						|
      elif self.IsDirectory():
 | 
						|
        self._is_text_file = False
 | 
						|
      else:
 | 
						|
        self._is_text_file = os.path.isfile(self.AbsoluteLocalPath())
 | 
						|
    return self._is_text_file
 | 
						|
 | 
						|
 | 
						|
class Change(object):
 | 
						|
  """Describe a change.
 | 
						|
 | 
						|
  Used directly by the presubmit scripts to query the current change being
 | 
						|
  tested.
 | 
						|
 | 
						|
  Instance members:
 | 
						|
    tags: Dictionary of KEY=VALUE pairs found in the change description.
 | 
						|
    self.KEY: equivalent to tags['KEY']
 | 
						|
  """
 | 
						|
 | 
						|
  _AFFECTED_FILES = AffectedFile
 | 
						|
 | 
						|
  # Matches key/value (or "tag") lines in changelist descriptions.
 | 
						|
  TAG_LINE_RE = re.compile(
 | 
						|
      '^[ \t]*(?P<key>[A-Z][A-Z_0-9]*)[ \t]*=[ \t]*(?P<value>.*?)[ \t]*$')
 | 
						|
  scm = ''
 | 
						|
 | 
						|
  def __init__(
 | 
						|
      self, name, description, local_root, files, issue, patchset, author):
 | 
						|
    if files is None:
 | 
						|
      files = []
 | 
						|
    self._name = name
 | 
						|
    self._full_description = description
 | 
						|
    # Convert root into an absolute path.
 | 
						|
    self._local_root = os.path.abspath(local_root)
 | 
						|
    self.issue = issue
 | 
						|
    self.patchset = patchset
 | 
						|
    self.author_email = author
 | 
						|
 | 
						|
    # From the description text, build up a dictionary of key/value pairs
 | 
						|
    # plus the description minus all key/value or "tag" lines.
 | 
						|
    description_without_tags = []
 | 
						|
    self.tags = {}
 | 
						|
    for line in self._full_description.splitlines():
 | 
						|
      m = self.TAG_LINE_RE.match(line)
 | 
						|
      if m:
 | 
						|
        self.tags[m.group('key')] = m.group('value')
 | 
						|
      else:
 | 
						|
        description_without_tags.append(line)
 | 
						|
 | 
						|
    # Change back to text and remove whitespace at end.
 | 
						|
    self._description_without_tags = (
 | 
						|
        '\n'.join(description_without_tags).rstrip())
 | 
						|
 | 
						|
    assert all(
 | 
						|
        (isinstance(f, (list, tuple)) and len(f) == 2) for f in files), files
 | 
						|
 | 
						|
    diff_cache = self._AFFECTED_FILES.DIFF_CACHE()
 | 
						|
    self._affected_files = [
 | 
						|
        self._AFFECTED_FILES(path, action.strip(), self._local_root, diff_cache)
 | 
						|
        for action, path in files
 | 
						|
    ]
 | 
						|
 | 
						|
  def Name(self):
 | 
						|
    """Returns the change name."""
 | 
						|
    return self._name
 | 
						|
 | 
						|
  def DescriptionText(self):
 | 
						|
    """Returns the user-entered changelist description, minus tags.
 | 
						|
 | 
						|
    Any line in the user-provided description starting with e.g. "FOO="
 | 
						|
    (whitespace permitted before and around) is considered a tag line.  Such
 | 
						|
    lines are stripped out of the description this function returns.
 | 
						|
    """
 | 
						|
    return self._description_without_tags
 | 
						|
 | 
						|
  def FullDescriptionText(self):
 | 
						|
    """Returns the complete changelist description including tags."""
 | 
						|
    return self._full_description
 | 
						|
 | 
						|
  def RepositoryRoot(self):
 | 
						|
    """Returns the repository (checkout) root directory for this change,
 | 
						|
    as an absolute path.
 | 
						|
    """
 | 
						|
    return self._local_root
 | 
						|
 | 
						|
  def __getattr__(self, attr):
 | 
						|
    """Return tags directly as attributes on the object."""
 | 
						|
    if not re.match(r"^[A-Z_]*$", attr):
 | 
						|
      raise AttributeError(self, attr)
 | 
						|
    return self.tags.get(attr)
 | 
						|
 | 
						|
  def AffectedFiles(self, include_dirs=False, include_deletes=True,
 | 
						|
                    file_filter=None):
 | 
						|
    """Returns a list of AffectedFile instances for all files in the change.
 | 
						|
 | 
						|
    Args:
 | 
						|
      include_deletes: If false, deleted files will be filtered out.
 | 
						|
      include_dirs: True to include directories in the list
 | 
						|
      file_filter: An additional filter to apply.
 | 
						|
 | 
						|
    Returns:
 | 
						|
      [AffectedFile(path, action), AffectedFile(path, action)]
 | 
						|
    """
 | 
						|
    if include_dirs:
 | 
						|
      affected = self._affected_files
 | 
						|
    else:
 | 
						|
      affected = filter(lambda x: not x.IsDirectory(), self._affected_files)
 | 
						|
 | 
						|
    affected = filter(file_filter, affected)
 | 
						|
 | 
						|
    if include_deletes:
 | 
						|
      return affected
 | 
						|
    else:
 | 
						|
      return filter(lambda x: x.Action() != 'D', affected)
 | 
						|
 | 
						|
  def AffectedTextFiles(self, include_deletes=None):
 | 
						|
    """Return a list of the existing text files in a change."""
 | 
						|
    if include_deletes is not None:
 | 
						|
      warn("AffectedTextFiles(include_deletes=%s)"
 | 
						|
               " is deprecated and ignored" % str(include_deletes),
 | 
						|
           category=DeprecationWarning,
 | 
						|
           stacklevel=2)
 | 
						|
    return filter(lambda x: x.IsTextFile(),
 | 
						|
                  self.AffectedFiles(include_dirs=False, include_deletes=False))
 | 
						|
 | 
						|
  def LocalPaths(self, include_dirs=False):
 | 
						|
    """Convenience function."""
 | 
						|
    return [af.LocalPath() for af in self.AffectedFiles(include_dirs)]
 | 
						|
 | 
						|
  def AbsoluteLocalPaths(self, include_dirs=False):
 | 
						|
    """Convenience function."""
 | 
						|
    return [af.AbsoluteLocalPath() for af in self.AffectedFiles(include_dirs)]
 | 
						|
 | 
						|
  def ServerPaths(self, include_dirs=False):
 | 
						|
    """Convenience function."""
 | 
						|
    return [af.ServerPath() for af in self.AffectedFiles(include_dirs)]
 | 
						|
 | 
						|
  def RightHandSideLines(self):
 | 
						|
    """An iterator over all text lines in "new" version of changed files.
 | 
						|
 | 
						|
    Lists lines from new or modified text files in the change.
 | 
						|
 | 
						|
    This is useful for doing line-by-line regex checks, like checking for
 | 
						|
    trailing whitespace.
 | 
						|
 | 
						|
    Yields:
 | 
						|
      a 3 tuple:
 | 
						|
        the AffectedFile instance of the current file;
 | 
						|
        integer line number (1-based); and
 | 
						|
        the contents of the line as a string.
 | 
						|
    """
 | 
						|
    return _RightHandSideLinesImpl(
 | 
						|
        x for x in self.AffectedFiles(include_deletes=False)
 | 
						|
        if x.IsTextFile())
 | 
						|
 | 
						|
 | 
						|
class SvnChange(Change):
 | 
						|
  _AFFECTED_FILES = SvnAffectedFile
 | 
						|
  scm = 'svn'
 | 
						|
  _changelists = None
 | 
						|
 | 
						|
  def _GetChangeLists(self):
 | 
						|
    """Get all change lists."""
 | 
						|
    if self._changelists == None:
 | 
						|
      previous_cwd = os.getcwd()
 | 
						|
      os.chdir(self.RepositoryRoot())
 | 
						|
      # Need to import here to avoid circular dependency.
 | 
						|
      import gcl
 | 
						|
      self._changelists = gcl.GetModifiedFiles()
 | 
						|
      os.chdir(previous_cwd)
 | 
						|
    return self._changelists
 | 
						|
 | 
						|
  def GetAllModifiedFiles(self):
 | 
						|
    """Get all modified files."""
 | 
						|
    changelists = self._GetChangeLists()
 | 
						|
    all_modified_files = []
 | 
						|
    for cl in changelists.values():
 | 
						|
      all_modified_files.extend(
 | 
						|
          [os.path.join(self.RepositoryRoot(), f[1]) for f in cl])
 | 
						|
    return all_modified_files
 | 
						|
 | 
						|
  def GetModifiedFiles(self):
 | 
						|
    """Get modified files in the current CL."""
 | 
						|
    changelists = self._GetChangeLists()
 | 
						|
    return [os.path.join(self.RepositoryRoot(), f[1])
 | 
						|
            for f in changelists[self.Name()]]
 | 
						|
 | 
						|
 | 
						|
class GitChange(Change):
 | 
						|
  _AFFECTED_FILES = GitAffectedFile
 | 
						|
  scm = 'git'
 | 
						|
 | 
						|
 | 
						|
def ListRelevantPresubmitFiles(files, root):
 | 
						|
  """Finds all presubmit files that apply to a given set of source files.
 | 
						|
 | 
						|
  If inherit-review-settings-ok is present right under root, looks for
 | 
						|
  PRESUBMIT.py in directories enclosing root.
 | 
						|
 | 
						|
  Args:
 | 
						|
    files: An iterable container containing file paths.
 | 
						|
    root: Path where to stop searching.
 | 
						|
 | 
						|
  Return:
 | 
						|
    List of absolute paths of the existing PRESUBMIT.py scripts.
 | 
						|
  """
 | 
						|
  files = [normpath(os.path.join(root, f)) for f in files]
 | 
						|
 | 
						|
  # List all the individual directories containing files.
 | 
						|
  directories = set([os.path.dirname(f) for f in files])
 | 
						|
 | 
						|
  # Ignore root if inherit-review-settings-ok is present.
 | 
						|
  if os.path.isfile(os.path.join(root, 'inherit-review-settings-ok')):
 | 
						|
    root = None
 | 
						|
 | 
						|
  # Collect all unique directories that may contain PRESUBMIT.py.
 | 
						|
  candidates = set()
 | 
						|
  for directory in directories:
 | 
						|
    while True:
 | 
						|
      if directory in candidates:
 | 
						|
        break
 | 
						|
      candidates.add(directory)
 | 
						|
      if directory == root:
 | 
						|
        break
 | 
						|
      parent_dir = os.path.dirname(directory)
 | 
						|
      if parent_dir == directory:
 | 
						|
        # We hit the system root directory.
 | 
						|
        break
 | 
						|
      directory = parent_dir
 | 
						|
 | 
						|
  # Look for PRESUBMIT.py in all candidate directories.
 | 
						|
  results = []
 | 
						|
  for directory in sorted(list(candidates)):
 | 
						|
    p = os.path.join(directory, 'PRESUBMIT.py')
 | 
						|
    if os.path.isfile(p):
 | 
						|
      results.append(p)
 | 
						|
 | 
						|
  logging.debug('Presubmit files: %s' % ','.join(results))
 | 
						|
  return results
 | 
						|
 | 
						|
 | 
						|
class GetTrySlavesExecuter(object):
 | 
						|
  @staticmethod
 | 
						|
  def ExecPresubmitScript(script_text, presubmit_path, project, change):
 | 
						|
    """Executes GetPreferredTrySlaves() from a single presubmit script.
 | 
						|
 | 
						|
    Args:
 | 
						|
      script_text: The text of the presubmit script.
 | 
						|
      presubmit_path: Project script to run.
 | 
						|
      project: Project name to pass to presubmit script for bot selection.
 | 
						|
 | 
						|
    Return:
 | 
						|
      A list of try slaves.
 | 
						|
    """
 | 
						|
    context = {}
 | 
						|
    try:
 | 
						|
      exec script_text in context
 | 
						|
    except Exception, e:
 | 
						|
      raise PresubmitFailure('"%s" had an exception.\n%s' % (presubmit_path, e))
 | 
						|
 | 
						|
    function_name = 'GetPreferredTrySlaves'
 | 
						|
    if function_name in context:
 | 
						|
      get_preferred_try_slaves = context[function_name]
 | 
						|
      function_info = inspect.getargspec(get_preferred_try_slaves)
 | 
						|
      if len(function_info[0]) == 1:
 | 
						|
        result = get_preferred_try_slaves(project)
 | 
						|
      elif len(function_info[0]) == 2:
 | 
						|
        result = get_preferred_try_slaves(project, change)
 | 
						|
      else:
 | 
						|
        result = get_preferred_try_slaves()
 | 
						|
      if not isinstance(result, types.ListType):
 | 
						|
        raise PresubmitFailure(
 | 
						|
            'Presubmit functions must return a list, got a %s instead: %s' %
 | 
						|
            (type(result), str(result)))
 | 
						|
      for item in result:
 | 
						|
        if isinstance(item, basestring):
 | 
						|
          # Old-style ['bot'] format.
 | 
						|
          botname = item
 | 
						|
        elif isinstance(item, tuple):
 | 
						|
          # New-style [('bot', set(['tests']))] format.
 | 
						|
          botname = item[0]
 | 
						|
        else:
 | 
						|
          raise PresubmitFailure('PRESUBMIT.py returned invalid tryslave/test'
 | 
						|
                                 ' format.')
 | 
						|
 | 
						|
        if botname != botname.strip():
 | 
						|
          raise PresubmitFailure(
 | 
						|
              'Try slave names cannot start/end with whitespace')
 | 
						|
        if ',' in botname:
 | 
						|
          raise PresubmitFailure(
 | 
						|
              'Do not use \',\' separated builder or test names: %s' % botname)
 | 
						|
    else:
 | 
						|
      result = []
 | 
						|
 | 
						|
    def valid_oldstyle(result):
 | 
						|
      return all(isinstance(i, basestring) for i in result)
 | 
						|
 | 
						|
    def valid_newstyle(result):
 | 
						|
      return (all(isinstance(i, tuple) for i in result) and
 | 
						|
              all(len(i) == 2 for i in result) and
 | 
						|
              all(isinstance(i[0], basestring) for i in result) and
 | 
						|
              all(isinstance(i[1], set) for i in result)
 | 
						|
             )
 | 
						|
 | 
						|
    # Ensure it's either all old-style or all new-style.
 | 
						|
    if not valid_oldstyle(result) and not valid_newstyle(result):
 | 
						|
      raise PresubmitFailure(
 | 
						|
          'PRESUBMIT.py returned invalid trybot specification!')
 | 
						|
 | 
						|
    return result
 | 
						|
 | 
						|
 | 
						|
def DoGetTrySlaves(change,
 | 
						|
                   changed_files,
 | 
						|
                   repository_root,
 | 
						|
                   default_presubmit,
 | 
						|
                   project,
 | 
						|
                   verbose,
 | 
						|
                   output_stream):
 | 
						|
  """Get the list of try servers from the presubmit scripts.
 | 
						|
 | 
						|
  Args:
 | 
						|
    changed_files: List of modified files.
 | 
						|
    repository_root: The repository root.
 | 
						|
    default_presubmit: A default presubmit script to execute in any case.
 | 
						|
    project: Optional name of a project used in selecting trybots.
 | 
						|
    verbose: Prints debug info.
 | 
						|
    output_stream: A stream to write debug output to.
 | 
						|
 | 
						|
  Return:
 | 
						|
    List of try slaves
 | 
						|
  """
 | 
						|
  presubmit_files = ListRelevantPresubmitFiles(changed_files, repository_root)
 | 
						|
  if not presubmit_files and verbose:
 | 
						|
    output_stream.write("Warning, no presubmit.py found.\n")
 | 
						|
  results = []
 | 
						|
  executer = GetTrySlavesExecuter()
 | 
						|
 | 
						|
  if default_presubmit:
 | 
						|
    if verbose:
 | 
						|
      output_stream.write("Running default presubmit script.\n")
 | 
						|
    fake_path = os.path.join(repository_root, 'PRESUBMIT.py')
 | 
						|
    results.extend(executer.ExecPresubmitScript(
 | 
						|
        default_presubmit, fake_path, project, change))
 | 
						|
  for filename in presubmit_files:
 | 
						|
    filename = os.path.abspath(filename)
 | 
						|
    if verbose:
 | 
						|
      output_stream.write("Running %s\n" % filename)
 | 
						|
    # Accept CRLF presubmit script.
 | 
						|
    presubmit_script = gclient_utils.FileRead(filename, 'rU')
 | 
						|
    results.extend(executer.ExecPresubmitScript(
 | 
						|
        presubmit_script, filename, project, change))
 | 
						|
 | 
						|
 | 
						|
  slave_dict = {}
 | 
						|
  old_style = filter(lambda x: isinstance(x, basestring), results)
 | 
						|
  new_style = filter(lambda x: isinstance(x, tuple), results)
 | 
						|
 | 
						|
  for result in new_style:
 | 
						|
    slave_dict.setdefault(result[0], set()).update(result[1])
 | 
						|
  slaves = list(slave_dict.items())
 | 
						|
 | 
						|
  slaves.extend(set(old_style))
 | 
						|
 | 
						|
  if slaves and verbose:
 | 
						|
    output_stream.write(', '.join((str(x) for x in slaves)))
 | 
						|
    output_stream.write('\n')
 | 
						|
  return slaves
 | 
						|
 | 
						|
 | 
						|
class PresubmitExecuter(object):
 | 
						|
  def __init__(self, change, committing, rietveld_obj, verbose):
 | 
						|
    """
 | 
						|
    Args:
 | 
						|
      change: The Change object.
 | 
						|
      committing: True if 'gcl commit' is running, False if 'gcl upload' is.
 | 
						|
      rietveld_obj: rietveld.Rietveld client object.
 | 
						|
    """
 | 
						|
    self.change = change
 | 
						|
    self.committing = committing
 | 
						|
    self.rietveld = rietveld_obj
 | 
						|
    self.verbose = verbose
 | 
						|
 | 
						|
  def ExecPresubmitScript(self, script_text, presubmit_path):
 | 
						|
    """Executes a single presubmit script.
 | 
						|
 | 
						|
    Args:
 | 
						|
      script_text: The text of the presubmit script.
 | 
						|
      presubmit_path: The path to the presubmit file (this will be reported via
 | 
						|
        input_api.PresubmitLocalPath()).
 | 
						|
 | 
						|
    Return:
 | 
						|
      A list of result objects, empty if no problems.
 | 
						|
    """
 | 
						|
 | 
						|
    # Change to the presubmit file's directory to support local imports.
 | 
						|
    main_path = os.getcwd()
 | 
						|
    os.chdir(os.path.dirname(presubmit_path))
 | 
						|
 | 
						|
    # Load the presubmit script into context.
 | 
						|
    input_api = InputApi(self.change, presubmit_path, self.committing,
 | 
						|
                         self.rietveld, self.verbose)
 | 
						|
    context = {}
 | 
						|
    try:
 | 
						|
      exec script_text in context
 | 
						|
    except Exception, e:
 | 
						|
      raise PresubmitFailure('"%s" had an exception.\n%s' % (presubmit_path, e))
 | 
						|
 | 
						|
    # These function names must change if we make substantial changes to
 | 
						|
    # the presubmit API that are not backwards compatible.
 | 
						|
    if self.committing:
 | 
						|
      function_name = 'CheckChangeOnCommit'
 | 
						|
    else:
 | 
						|
      function_name = 'CheckChangeOnUpload'
 | 
						|
    if function_name in context:
 | 
						|
      context['__args'] = (input_api, OutputApi(self.committing))
 | 
						|
      logging.debug('Running %s in %s' % (function_name, presubmit_path))
 | 
						|
      result = eval(function_name + '(*__args)', context)
 | 
						|
      logging.debug('Running %s done.' % function_name)
 | 
						|
      if not (isinstance(result, types.TupleType) or
 | 
						|
              isinstance(result, types.ListType)):
 | 
						|
        raise PresubmitFailure(
 | 
						|
          'Presubmit functions must return a tuple or list')
 | 
						|
      for item in result:
 | 
						|
        if not isinstance(item, OutputApi.PresubmitResult):
 | 
						|
          raise PresubmitFailure(
 | 
						|
            'All presubmit results must be of types derived from '
 | 
						|
            'output_api.PresubmitResult')
 | 
						|
    else:
 | 
						|
      result = ()  # no error since the script doesn't care about current event.
 | 
						|
 | 
						|
    # Return the process to the original working directory.
 | 
						|
    os.chdir(main_path)
 | 
						|
    return result
 | 
						|
 | 
						|
 | 
						|
def DoPresubmitChecks(change,
 | 
						|
                      committing,
 | 
						|
                      verbose,
 | 
						|
                      output_stream,
 | 
						|
                      input_stream,
 | 
						|
                      default_presubmit,
 | 
						|
                      may_prompt,
 | 
						|
                      rietveld_obj):
 | 
						|
  """Runs all presubmit checks that apply to the files in the change.
 | 
						|
 | 
						|
  This finds all PRESUBMIT.py files in directories enclosing the files in the
 | 
						|
  change (up to the repository root) and calls the relevant entrypoint function
 | 
						|
  depending on whether the change is being committed or uploaded.
 | 
						|
 | 
						|
  Prints errors, warnings and notifications.  Prompts the user for warnings
 | 
						|
  when needed.
 | 
						|
 | 
						|
  Args:
 | 
						|
    change: The Change object.
 | 
						|
    committing: True if 'gcl commit' is running, False if 'gcl upload' is.
 | 
						|
    verbose: Prints debug info.
 | 
						|
    output_stream: A stream to write output from presubmit tests to.
 | 
						|
    input_stream: A stream to read input from the user.
 | 
						|
    default_presubmit: A default presubmit script to execute in any case.
 | 
						|
    may_prompt: Enable (y/n) questions on warning or error.
 | 
						|
    rietveld_obj: rietveld.Rietveld object.
 | 
						|
 | 
						|
  Warning:
 | 
						|
    If may_prompt is true, output_stream SHOULD be sys.stdout and input_stream
 | 
						|
    SHOULD be sys.stdin.
 | 
						|
 | 
						|
  Return:
 | 
						|
    A PresubmitOutput object. Use output.should_continue() to figure out
 | 
						|
    if there were errors or warnings and the caller should abort.
 | 
						|
  """
 | 
						|
  old_environ = os.environ
 | 
						|
  try:
 | 
						|
    # Make sure python subprocesses won't generate .pyc files.
 | 
						|
    os.environ = os.environ.copy()
 | 
						|
    os.environ['PYTHONDONTWRITEBYTECODE'] = '1'
 | 
						|
 | 
						|
    output = PresubmitOutput(input_stream, output_stream)
 | 
						|
    if committing:
 | 
						|
      output.write("Running presubmit commit checks ...\n")
 | 
						|
    else:
 | 
						|
      output.write("Running presubmit upload checks ...\n")
 | 
						|
    start_time = time.time()
 | 
						|
    presubmit_files = ListRelevantPresubmitFiles(
 | 
						|
        change.AbsoluteLocalPaths(True), change.RepositoryRoot())
 | 
						|
    if not presubmit_files and verbose:
 | 
						|
      output.write("Warning, no PRESUBMIT.py found.\n")
 | 
						|
    results = []
 | 
						|
    executer = PresubmitExecuter(change, committing, rietveld_obj, verbose)
 | 
						|
    if default_presubmit:
 | 
						|
      if verbose:
 | 
						|
        output.write("Running default presubmit script.\n")
 | 
						|
      fake_path = os.path.join(change.RepositoryRoot(), 'PRESUBMIT.py')
 | 
						|
      results += executer.ExecPresubmitScript(default_presubmit, fake_path)
 | 
						|
    for filename in presubmit_files:
 | 
						|
      filename = os.path.abspath(filename)
 | 
						|
      if verbose:
 | 
						|
        output.write("Running %s\n" % filename)
 | 
						|
      # Accept CRLF presubmit script.
 | 
						|
      presubmit_script = gclient_utils.FileRead(filename, 'rU')
 | 
						|
      results += executer.ExecPresubmitScript(presubmit_script, filename)
 | 
						|
 | 
						|
    errors = []
 | 
						|
    notifications = []
 | 
						|
    warnings = []
 | 
						|
    for result in results:
 | 
						|
      if result.fatal:
 | 
						|
        errors.append(result)
 | 
						|
      elif result.should_prompt:
 | 
						|
        warnings.append(result)
 | 
						|
      else:
 | 
						|
        notifications.append(result)
 | 
						|
 | 
						|
    output.write('\n')
 | 
						|
    for name, items in (('Messages', notifications),
 | 
						|
                        ('Warnings', warnings),
 | 
						|
                        ('ERRORS', errors)):
 | 
						|
      if items:
 | 
						|
        output.write('** Presubmit %s **\n' % name)
 | 
						|
        for item in items:
 | 
						|
          item.handle(output)
 | 
						|
          output.write('\n')
 | 
						|
 | 
						|
    total_time = time.time() - start_time
 | 
						|
    if total_time > 1.0:
 | 
						|
      output.write("Presubmit checks took %.1fs to calculate.\n\n" % total_time)
 | 
						|
 | 
						|
    if not errors:
 | 
						|
      if not warnings:
 | 
						|
        output.write('Presubmit checks passed.\n')
 | 
						|
      elif may_prompt:
 | 
						|
        output.prompt_yes_no('There were presubmit warnings. '
 | 
						|
                            'Are you sure you wish to continue? (y/N): ')
 | 
						|
      else:
 | 
						|
        output.fail()
 | 
						|
 | 
						|
    global _ASKED_FOR_FEEDBACK
 | 
						|
    # Ask for feedback one time out of 5.
 | 
						|
    if (len(results) and random.randint(0, 4) == 0 and not _ASKED_FOR_FEEDBACK):
 | 
						|
      output.write("Was the presubmit check useful? Please send feedback "
 | 
						|
                  "& hate mail to maruel@chromium.org!\n")
 | 
						|
      _ASKED_FOR_FEEDBACK = True
 | 
						|
    return output
 | 
						|
  finally:
 | 
						|
    os.environ = old_environ
 | 
						|
 | 
						|
 | 
						|
def ScanSubDirs(mask, recursive):
 | 
						|
  if not recursive:
 | 
						|
    return [x for x in glob.glob(mask) if '.svn' not in x and '.git' not in x]
 | 
						|
  else:
 | 
						|
    results = []
 | 
						|
    for root, dirs, files in os.walk('.'):
 | 
						|
      if '.svn' in dirs:
 | 
						|
        dirs.remove('.svn')
 | 
						|
      if '.git' in dirs:
 | 
						|
        dirs.remove('.git')
 | 
						|
      for name in files:
 | 
						|
        if fnmatch.fnmatch(name, mask):
 | 
						|
          results.append(os.path.join(root, name))
 | 
						|
    return results
 | 
						|
 | 
						|
 | 
						|
def ParseFiles(args, recursive):
 | 
						|
  logging.debug('Searching for %s' % args)
 | 
						|
  files = []
 | 
						|
  for arg in args:
 | 
						|
    files.extend([('M', f) for f in ScanSubDirs(arg, recursive)])
 | 
						|
  return files
 | 
						|
 | 
						|
 | 
						|
def load_files(options, args):
 | 
						|
  """Tries to determine the SCM."""
 | 
						|
  change_scm = scm.determine_scm(options.root)
 | 
						|
  files = []
 | 
						|
  if args:
 | 
						|
    files = ParseFiles(args, options.recursive)
 | 
						|
  if change_scm == 'svn':
 | 
						|
    change_class = SvnChange
 | 
						|
    if not files:
 | 
						|
      files = scm.SVN.CaptureStatus([], options.root)
 | 
						|
  elif change_scm == 'git':
 | 
						|
    change_class = GitChange
 | 
						|
    # TODO(maruel): Get upstream.
 | 
						|
    if not files:
 | 
						|
      files = scm.GIT.CaptureStatus([], options.root, None)
 | 
						|
  else:
 | 
						|
    logging.info('Doesn\'t seem under source control. Got %d files' % len(args))
 | 
						|
    if not files:
 | 
						|
      return None, None
 | 
						|
    change_class = Change
 | 
						|
  return change_class, files
 | 
						|
 | 
						|
 | 
						|
class NonexistantCannedCheckFilter(Exception):
 | 
						|
  pass
 | 
						|
 | 
						|
 | 
						|
@contextlib.contextmanager
 | 
						|
def canned_check_filter(method_names):
 | 
						|
  filtered = {}
 | 
						|
  try:
 | 
						|
    for method_name in method_names:
 | 
						|
      if not hasattr(presubmit_canned_checks, method_name):
 | 
						|
        raise NonexistantCannedCheckFilter(method_name)
 | 
						|
      filtered[method_name] = getattr(presubmit_canned_checks, method_name)
 | 
						|
      setattr(presubmit_canned_checks, method_name, lambda *_a, **_kw: [])
 | 
						|
    yield
 | 
						|
  finally:
 | 
						|
    for name, method in filtered.iteritems():
 | 
						|
      setattr(presubmit_canned_checks, name, method)
 | 
						|
 | 
						|
 | 
						|
def CallCommand(cmd_data):
 | 
						|
  """Runs an external program, potentially from a child process created by the
 | 
						|
  multiprocessing module.
 | 
						|
 | 
						|
  multiprocessing needs a top level function with a single argument.
 | 
						|
  """
 | 
						|
  cmd_data.kwargs['stdout'] = subprocess.PIPE
 | 
						|
  cmd_data.kwargs['stderr'] = subprocess.STDOUT
 | 
						|
  try:
 | 
						|
    start = time.time()
 | 
						|
    (out, _), code = subprocess.communicate(cmd_data.cmd, **cmd_data.kwargs)
 | 
						|
    duration = time.time() - start
 | 
						|
  except OSError as e:
 | 
						|
    duration = time.time() - start
 | 
						|
    return cmd_data.message(
 | 
						|
        '%s exec failure (%4.2fs)\n   %s' % (cmd_data.name, duration, e))
 | 
						|
  if code != 0:
 | 
						|
    return cmd_data.message(
 | 
						|
        '%s (%4.2fs) failed\n%s' % (cmd_data.name, duration, out))
 | 
						|
  if cmd_data.info:
 | 
						|
    return cmd_data.info('%s (%4.2fs)' % (cmd_data.name, duration))
 | 
						|
 | 
						|
 | 
						|
def Main(argv):
 | 
						|
  parser = optparse.OptionParser(usage="%prog [options] <files...>",
 | 
						|
                                 version="%prog " + str(__version__))
 | 
						|
  parser.add_option("-c", "--commit", action="store_true", default=False,
 | 
						|
                   help="Use commit instead of upload checks")
 | 
						|
  parser.add_option("-u", "--upload", action="store_false", dest='commit',
 | 
						|
                   help="Use upload instead of commit checks")
 | 
						|
  parser.add_option("-r", "--recursive", action="store_true",
 | 
						|
                   help="Act recursively")
 | 
						|
  parser.add_option("-v", "--verbose", action="count", default=0,
 | 
						|
                   help="Use 2 times for more debug info")
 | 
						|
  parser.add_option("--name", default='no name')
 | 
						|
  parser.add_option("--author")
 | 
						|
  parser.add_option("--description", default='')
 | 
						|
  parser.add_option("--issue", type='int', default=0)
 | 
						|
  parser.add_option("--patchset", type='int', default=0)
 | 
						|
  parser.add_option("--root", default=os.getcwd(),
 | 
						|
                    help="Search for PRESUBMIT.py up to this directory. "
 | 
						|
                    "If inherit-review-settings-ok is present in this "
 | 
						|
                    "directory, parent directories up to the root file "
 | 
						|
                    "system directories will also be searched.")
 | 
						|
  parser.add_option("--default_presubmit")
 | 
						|
  parser.add_option("--may_prompt", action='store_true', default=False)
 | 
						|
  parser.add_option("--skip_canned", action='append', default=[],
 | 
						|
                    help="A list of checks to skip which appear in "
 | 
						|
                    "presubmit_canned_checks. Can be provided multiple times "
 | 
						|
                    "to skip multiple canned checks.")
 | 
						|
  parser.add_option("--rietveld_url", help=optparse.SUPPRESS_HELP)
 | 
						|
  parser.add_option("--rietveld_email", help=optparse.SUPPRESS_HELP)
 | 
						|
  parser.add_option("--rietveld_password", help=optparse.SUPPRESS_HELP)
 | 
						|
  parser.add_option("--rietveld_fetch", action='store_true', default=False,
 | 
						|
                    help=optparse.SUPPRESS_HELP)
 | 
						|
  options, args = parser.parse_args(argv)
 | 
						|
  if options.verbose >= 2:
 | 
						|
    logging.basicConfig(level=logging.DEBUG)
 | 
						|
  elif options.verbose:
 | 
						|
    logging.basicConfig(level=logging.INFO)
 | 
						|
  else:
 | 
						|
    logging.basicConfig(level=logging.ERROR)
 | 
						|
  change_class, files = load_files(options, args)
 | 
						|
  if not change_class:
 | 
						|
    parser.error('For unversioned directory, <files> is not optional.')
 | 
						|
  logging.info('Found %d file(s).' % len(files))
 | 
						|
  rietveld_obj = None
 | 
						|
  if options.rietveld_url:
 | 
						|
    rietveld_obj = rietveld.CachingRietveld(
 | 
						|
        options.rietveld_url,
 | 
						|
        options.rietveld_email,
 | 
						|
        options.rietveld_password)
 | 
						|
    if options.rietveld_fetch:
 | 
						|
      assert options.issue
 | 
						|
      props = rietveld_obj.get_issue_properties(options.issue, False)
 | 
						|
      options.author = props['owner_email']
 | 
						|
      options.description = props['description']
 | 
						|
      logging.info('Got author: "%s"', options.author)
 | 
						|
      logging.info('Got description: """\n%s\n"""', options.description)
 | 
						|
  try:
 | 
						|
    with canned_check_filter(options.skip_canned):
 | 
						|
      results = DoPresubmitChecks(
 | 
						|
          change_class(options.name,
 | 
						|
                      options.description,
 | 
						|
                      options.root,
 | 
						|
                      files,
 | 
						|
                      options.issue,
 | 
						|
                      options.patchset,
 | 
						|
                      options.author),
 | 
						|
          options.commit,
 | 
						|
          options.verbose,
 | 
						|
          sys.stdout,
 | 
						|
          sys.stdin,
 | 
						|
          options.default_presubmit,
 | 
						|
          options.may_prompt,
 | 
						|
          rietveld_obj)
 | 
						|
    return not results.should_continue()
 | 
						|
  except NonexistantCannedCheckFilter, e:
 | 
						|
    print >> sys.stderr, (
 | 
						|
      'Attempted to skip nonexistent canned presubmit check: %s' % e.message)
 | 
						|
    return 2
 | 
						|
  except PresubmitFailure, e:
 | 
						|
    print >> sys.stderr, e
 | 
						|
    print >> sys.stderr, 'Maybe your depot_tools is out of date?'
 | 
						|
    print >> sys.stderr, 'If all fails, contact maruel@'
 | 
						|
    return 2
 | 
						|
 | 
						|
 | 
						|
if __name__ == '__main__':
 | 
						|
  fix_encoding.fix_encoding()
 | 
						|
  sys.exit(Main(None))
 |