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#!/usr/bin/env python
# Copyright (c) 2013 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.
#
"""Logic to generate lists of DEPS used by various parts of
the android_webview continuous integration (buildbot) infrastructure.
Note: The root Chromium project (which is not explicitly listed here)
has a couple of third_party libraries checked in directly into it. This means
that the list of third parties present in this file is not a comprehensive
list of third party android_webview dependencies.
"""
import argparse
import json
import logging
import os
import sys
class DepsWhitelist(object):
def __init__(self):
# If a new DEPS entry is needed for the AOSP bot to compile please add it
# here first.
# This is a staging area for deps that are accepted by the android_webview
# team and are in the process of having the required branches being created
# in the Android tree.
self._compile_but_not_snapshot_dependencies = [
'third_party/mesa/src',
]
# Dependencies that need to be merged into the Android tree.
self._snapshot_into_android_dependencies = [
'sdch/open-vcdiff',
'testing/gtest',
'third_party/WebKit',
'third_party/angle_dx11',
('third_party/eyesfree/src/android/java/src/com/googlecode/eyesfree/'
'braille'),
'third_party/freetype',
'third_party/icu',
'third_party/leveldatabase/src',
'third_party/libjingle/source/talk',
'third_party/libphonenumber/src/phonenumbers',
'third_party/libphonenumber/src/resources',
'third_party/openssl',
'third_party/opus/src',
'third_party/ots',
'third_party/sfntly/cpp/src',
'third_party/skia/gyp',
'third_party/skia/include',
'third_party/skia/src',
'third_party/smhasher/src',
'third_party/v8-i18n',
'third_party/yasm/source/patched-yasm',
'tools/grit',
'tools/gyp',
'v8',
]
# Dependencies required to build android_webview.
self._compile_dependencies = (self._snapshot_into_android_dependencies +
self._compile_but_not_snapshot_dependencies)
# Dependencies required to run android_webview tests but not required to
# compile.
self._test_data_dependencies = [
'chrome/test/data/perf/third_party/octane',
]
@staticmethod
def _read_deps_file(deps_file_path):
class FileImplStub(object):
"""Stub for the File syntax."""
def __init__(self, file_location):
pass
@staticmethod
def GetPath():
return ''
@staticmethod
def GetFilename():
return ''
@staticmethod
def GetRevision():
return None
def from_stub(__, _=None):
"""Stub for the From syntax."""
return ''
class VarImpl(object):
def __init__(self, custom_vars, local_scope):
self._custom_vars = custom_vars
self._local_scope = local_scope
def Lookup(self, var_name):
"""Implements the Var syntax."""
if var_name in self._custom_vars:
return self._custom_vars[var_name]
elif var_name in self._local_scope.get("vars", {}):
return self._local_scope["vars"][var_name]
raise Exception("Var is not defined: %s" % var_name)
local_scope = {}
var = VarImpl({}, local_scope)
global_scope = {
'File': FileImplStub,
'From': from_stub,
'Var': var.Lookup,
'deps_os': {},
}
execfile(deps_file_path, global_scope, local_scope)
deps = local_scope.get('deps', {})
deps_os = local_scope.get('deps_os', {})
for os_specific_deps in deps_os.itervalues():
deps.update(os_specific_deps)
return deps.keys()
def _make_gclient_blacklist(self, deps_file_path, whitelisted_deps):
"""Calculates the list of deps that need to be excluded from the deps_file
so that the only deps left are the one in the whitelist."""
all_deps = self._read_deps_file(deps_file_path)
# The list of deps read from the DEPS file are prefixed with the source
# tree root, which is 'src' for Chromium.
def prepend_root(path):
return os.path.join('src', path)
whitelisted_deps = map(prepend_root, whitelisted_deps)
deps_blacklist = set(all_deps).difference(set(whitelisted_deps))
return dict(map(lambda(x): (x, None), deps_blacklist))
def get_deps_for_android_build(self, deps_file_path):
"""This is used to calculate the custom_deps list for the Android bot.
"""
if not deps_file_path:
raise Exception('You need to specify a DEPS file path.')
return self._make_gclient_blacklist(deps_file_path,
self._compile_dependencies)
def get_deps_for_android_build_and_test(self, deps_file_path):
"""This is used to calculate the custom_deps list for the Android perf bot.
"""
if not deps_file_path:
raise Exception('You need to specify a DEPS file path.')
return self._make_gclient_blacklist(deps_file_path,
self._compile_dependencies +
self._test_data_dependencies)
def get_deps_for_android_merge(self, _):
"""Calculates the list of deps that need to be merged into the Android tree
in order to build the C++ and Java android_webview code."""
return self._snapshot_into_android_dependencies
def get_deps_for_license_check(self, _):
"""Calculates the list of deps that need to be checked for Android license
compatibility"""
return self._compile_dependencies
def execute_method(self, method_name, deps_file_path):
methods = {
'android_build': self.get_deps_for_android_build,
'android_build_and_test':
self.get_deps_for_android_build_and_test,
'android_merge': self.get_deps_for_android_merge,
'license_check': self.get_deps_for_license_check
}
if not method_name in methods:
raise Exception('Method name %s is not valid. Valid choices are %s' %
(method_name, methods.keys()))
return methods[method_name](deps_file_path)
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--method', help='Method to use to fetch from whitelist.',
required=True)
parser.add_argument('--path-to-deps', help='Path to DEPS file.')
parser.add_argument('--output-json', help='Name of file to write output to.')
parser.add_argument('verbose', action='store_true', default=False)
opts = parser.parse_args()
logging.getLogger().setLevel(logging.DEBUG if opts.verbose else logging.WARN)
deps_whitelist = DepsWhitelist()
blacklist = deps_whitelist.execute_method(opts.method, opts.path_to_deps)
if (opts.output_json):
output_dict = {
'blacklist' : blacklist
}
with open(opts.output_json, 'w') as output_json_file:
json.dump(output_dict, output_json_file)
else:
print blacklist
return 0
if __name__ == '__main__':
sys.exit(main())
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