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# Copyright 2015 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.
"""Presubmit script for pdfium.
See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
for more details about the presubmit API built into depot_tools.
"""
def _CheckUnwantedDependencies(input_api, output_api):
"""Runs checkdeps on #include statements added in this
change. Breaking - rules is an error, breaking ! rules is a
warning.
"""
import sys
# We need to wait until we have an input_api object and use this
# roundabout construct to import checkdeps because this file is
# eval-ed and thus doesn't have __file__.
original_sys_path = sys.path
try:
checkdeps_relpath = input_api.os_path.join('buildtools', 'checkdeps')
checkdeps_basepath = input_api.PresubmitLocalPath()
checkdeps_path = input_api.os_path.join(checkdeps_basepath,
checkdeps_relpath)
while not input_api.os_path.exists(checkdeps_path):
if checkdeps_basepath == input_api.os_path.dirname(checkdeps_basepath):
raise ImportError('Cannot find checkdeps')
checkdeps_basepath = input_api.os_path.dirname(checkdeps_basepath)
checkdeps_path = input_api.os_path.join(checkdeps_basepath,
checkdeps_relpath)
sys.path.append(checkdeps_path)
import checkdeps
from cpp_checker import CppChecker
from rules import Rule
finally:
# Restore sys.path to what it was before.
sys.path = original_sys_path
added_includes = []
for f in input_api.AffectedFiles():
if not CppChecker.IsCppFile(f.LocalPath()):
continue
changed_lines = [line for line_num, line in f.ChangedContents()]
added_includes.append([f.LocalPath(), changed_lines])
deps_checker = checkdeps.DepsChecker(input_api.PresubmitLocalPath())
error_descriptions = []
warning_descriptions = []
for path, rule_type, rule_description in deps_checker.CheckAddedCppIncludes(
added_includes):
description_with_path = '%s\n %s' % (path, rule_description)
if rule_type == Rule.DISALLOW:
error_descriptions.append(description_with_path)
else:
warning_descriptions.append(description_with_path)
results = []
if error_descriptions:
results.append(output_api.PresubmitError(
'You added one or more #includes that violate checkdeps rules.',
error_descriptions))
if warning_descriptions:
results.append(output_api.PresubmitPromptOrNotify(
'You added one or more #includes of files that are temporarily\n'
'allowed but being removed. Can you avoid introducing the\n'
'#include? See relevant DEPS file(s) for details and contacts.',
warning_descriptions))
return results
def CheckChangeOnUpload(input_api, output_api):
results = []
results += input_api.canned_checks.CheckPatchFormatted(input_api, output_api)
results += _CheckUnwantedDependencies(input_api, output_api)
return results
def CheckChangeOnCommit(input_api, output_api):
return CheckChangeOnUpload(input_api, output_api)
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