| # Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
| # |
| # Use of this source code is governed by a BSD-style license |
| # that can be found in the LICENSE file in the root of the source |
| # tree. An additional intellectual property rights grant can be found |
| # in the file PATENTS. All contributing project authors may |
| # be found in the AUTHORS file in the root of the source tree. |
| |
| import json |
| import os |
| import platform |
| import re |
| import subprocess |
| import sys |
| |
| |
| # Directories that will be scanned by cpplint by the presubmit script. |
| CPPLINT_DIRS = [ |
| 'webrtc/audio', |
| 'webrtc/call', |
| 'webrtc/common_video', |
| 'webrtc/examples', |
| 'webrtc/modules/bitrate_controller', |
| 'webrtc/modules/congestion_controller', |
| 'webrtc/modules/pacing', |
| 'webrtc/modules/remote_bitrate_estimator', |
| 'webrtc/modules/rtp_rtcp', |
| 'webrtc/modules/video_coding', |
| 'webrtc/modules/video_processing', |
| 'webrtc/tools', |
| 'webrtc/video', |
| ] |
| |
| # These filters will always be removed, even if the caller specifies a filter |
| # set, as they are problematic or broken in some way. |
| # |
| # Justifications for each filter: |
| # - build/c++11 : Rvalue ref checks are unreliable (false positives), |
| # include file and feature blacklists are |
| # google3-specific. |
| # - whitespace/operators: Same as above (doesn't seem sufficient to eliminate |
| # all move-related errors). |
| BLACKLIST_LINT_FILTERS = [ |
| '-build/c++11', |
| '-whitespace/operators', |
| ] |
| |
| # List of directories of "supported" native APIs. That means changes to headers |
| # will be done in a compatible way following this scheme: |
| # 1. Non-breaking changes are made. |
| # 2. The old APIs as marked as deprecated (with comments). |
| # 3. Deprecation is announced to discuss-webrtc@googlegroups.com and |
| # webrtc-users@google.com (internal list). |
| # 4. (later) The deprecated APIs are removed. |
| NATIVE_API_DIRS = ( |
| 'webrtc', |
| 'webrtc/api', |
| 'webrtc/media', |
| 'webrtc/modules/audio_device/include', |
| 'webrtc/pc', |
| ) |
| # These directories should not be used but are maintained only to avoid breaking |
| # some legacy downstream code. |
| LEGACY_API_DIRS = ( |
| 'talk/app/webrtc', |
| 'webrtc/base', |
| 'webrtc/common_audio/include', |
| 'webrtc/modules/audio_coding/include', |
| 'webrtc/modules/audio_conference_mixer/include', |
| 'webrtc/modules/audio_processing/include', |
| 'webrtc/modules/bitrate_controller/include', |
| 'webrtc/modules/congestion_controller/include', |
| 'webrtc/modules/include', |
| 'webrtc/modules/remote_bitrate_estimator/include', |
| 'webrtc/modules/rtp_rtcp/include', |
| 'webrtc/modules/rtp_rtcp/source', |
| 'webrtc/modules/utility/include', |
| 'webrtc/modules/video_coding/codecs/h264/include', |
| 'webrtc/modules/video_coding/codecs/i420/include', |
| 'webrtc/modules/video_coding/codecs/vp8/include', |
| 'webrtc/modules/video_coding/codecs/vp9/include', |
| 'webrtc/modules/video_coding/include', |
| 'webrtc/system_wrappers/include', |
| 'webrtc/voice_engine/include', |
| ) |
| API_DIRS = NATIVE_API_DIRS[:] + LEGACY_API_DIRS[:] |
| |
| |
| def _VerifyNativeApiHeadersListIsValid(input_api, output_api): |
| """Ensures the list of native API header directories is up to date.""" |
| non_existing_paths = [] |
| native_api_full_paths = [ |
| input_api.os_path.join(input_api.PresubmitLocalPath(), |
| *path.split('/')) for path in API_DIRS] |
| for path in native_api_full_paths: |
| if not os.path.isdir(path): |
| non_existing_paths.append(path) |
| if non_existing_paths: |
| return [output_api.PresubmitError( |
| 'Directories to native API headers have changed which has made the ' |
| 'list in PRESUBMIT.py outdated.\nPlease update it to the current ' |
| 'location of our native APIs.', |
| non_existing_paths)] |
| return [] |
| |
| api_change_msg = """ |
| You seem to be changing native API header files. Please make sure that you: |
| 1. Make compatible changes that don't break existing clients. |
| 2. Mark the old stuff as deprecated. |
| 3. Create a timeline and plan for when the deprecated stuff will be |
| removed. (The amount of time we give users to change their code |
| should be informed by how much work it is for them. If they just |
| need to replace one name with another or something equally |
| simple, 1-2 weeks might be good; if they need to do serious work, |
| up to 3 months may be called for.) |
| 4. Update/inform existing downstream code owners to stop using the |
| deprecated stuff. (Send announcements to |
| discuss-webrtc@googlegroups.com and webrtc-users@google.com.) |
| 5. Remove the deprecated stuff, once the agreed-upon amount of time |
| has passed. |
| Related files: |
| """ |
| |
| def _CheckNativeApiHeaderChanges(input_api, output_api): |
| """Checks to remind proper changing of native APIs.""" |
| files = [] |
| for f in input_api.AffectedSourceFiles(input_api.FilterSourceFile): |
| if f.LocalPath().endswith('.h'): |
| for path in API_DIRS: |
| if os.path.dirname(f.LocalPath()) == path: |
| files.append(f) |
| |
| if files: |
| return [output_api.PresubmitNotifyResult(api_change_msg, files)] |
| return [] |
| |
| |
| def _CheckNoIOStreamInHeaders(input_api, output_api): |
| """Checks to make sure no .h files include <iostream>.""" |
| files = [] |
| pattern = input_api.re.compile(r'^#include\s*<iostream>', |
| input_api.re.MULTILINE) |
| for f in input_api.AffectedSourceFiles(input_api.FilterSourceFile): |
| if not f.LocalPath().endswith('.h'): |
| continue |
| contents = input_api.ReadFile(f) |
| if pattern.search(contents): |
| files.append(f) |
| |
| if len(files): |
| return [output_api.PresubmitError( |
| 'Do not #include <iostream> in header files, since it inserts static ' + |
| 'initialization into every file including the header. Instead, ' + |
| '#include <ostream>. See http://crbug.com/94794', |
| files)] |
| return [] |
| |
| |
| def _CheckNoFRIEND_TEST(input_api, output_api): |
| """Make sure that gtest's FRIEND_TEST() macro is not used, the |
| FRIEND_TEST_ALL_PREFIXES() macro from testsupport/gtest_prod_util.h should be |
| used instead since that allows for FLAKY_, FAILS_ and DISABLED_ prefixes.""" |
| problems = [] |
| |
| file_filter = lambda f: f.LocalPath().endswith(('.cc', '.h')) |
| for f in input_api.AffectedFiles(file_filter=file_filter): |
| for line_num, line in f.ChangedContents(): |
| if 'FRIEND_TEST(' in line: |
| problems.append(' %s:%d' % (f.LocalPath(), line_num)) |
| |
| if not problems: |
| return [] |
| return [output_api.PresubmitPromptWarning('WebRTC\'s code should not use ' |
| 'gtest\'s FRIEND_TEST() macro. Include testsupport/gtest_prod_util.h and ' |
| 'use FRIEND_TEST_ALL_PREFIXES() instead.\n' + '\n'.join(problems))] |
| |
| |
| def _IsLintWhitelisted(whitelist_dirs, file_path): |
| """ Checks if a file is whitelisted for lint check.""" |
| for path in whitelist_dirs: |
| if os.path.dirname(file_path).startswith(path): |
| return True |
| return False |
| |
| |
| def _CheckApprovedFilesLintClean(input_api, output_api, |
| source_file_filter=None): |
| """Checks that all new or whitelisted .cc and .h files pass cpplint.py. |
| This check is based on _CheckChangeLintsClean in |
| depot_tools/presubmit_canned_checks.py but has less filters and only checks |
| added files.""" |
| result = [] |
| |
| # Initialize cpplint. |
| import cpplint |
| # Access to a protected member _XX of a client class |
| # pylint: disable=W0212 |
| cpplint._cpplint_state.ResetErrorCounts() |
| |
| lint_filters = cpplint._Filters() |
| lint_filters.extend(BLACKLIST_LINT_FILTERS) |
| cpplint._SetFilters(','.join(lint_filters)) |
| |
| # Create a platform independent whitelist for the CPPLINT_DIRS. |
| whitelist_dirs = [input_api.os_path.join(*path.split('/')) |
| for path in CPPLINT_DIRS] |
| |
| # Use the strictest verbosity level for cpplint.py (level 1) which is the |
| # default when running cpplint.py from command line. |
| # To make it possible to work with not-yet-converted code, we're only applying |
| # it to new (or moved/renamed) files and files listed in LINT_FOLDERS. |
| verbosity_level = 1 |
| files = [] |
| for f in input_api.AffectedSourceFiles(source_file_filter): |
| # Note that moved/renamed files also count as added. |
| if f.Action() == 'A' or _IsLintWhitelisted(whitelist_dirs, f.LocalPath()): |
| files.append(f.AbsoluteLocalPath()) |
| |
| for file_name in files: |
| cpplint.ProcessFile(file_name, verbosity_level) |
| |
| if cpplint._cpplint_state.error_count > 0: |
| if input_api.is_committing: |
| # TODO(kjellander): Change back to PresubmitError below when we're |
| # confident with the lint settings. |
| res_type = output_api.PresubmitPromptWarning |
| else: |
| res_type = output_api.PresubmitPromptWarning |
| result = [res_type('Changelist failed cpplint.py check.')] |
| |
| return result |
| |
| def _CheckNoRtcBaseDeps(input_api, gyp_files, output_api): |
| pattern = input_api.re.compile(r"base.gyp:rtc_base\s*'") |
| violating_files = [] |
| for f in gyp_files: |
| gyp_exceptions = ( |
| 'base_tests.gyp', |
| 'desktop_capture.gypi', |
| 'p2p.gyp', |
| 'sdk.gyp', |
| 'webrtc_test_common.gyp', |
| 'webrtc_tests.gypi', |
| ) |
| if f.LocalPath().endswith(gyp_exceptions): |
| continue |
| contents = input_api.ReadFile(f) |
| if pattern.search(contents): |
| violating_files.append(f) |
| if violating_files: |
| return [output_api.PresubmitError( |
| 'Depending on rtc_base is not allowed. Change your dependency to ' |
| 'rtc_base_approved and possibly sanitize and move the desired source ' |
| 'file(s) to rtc_base_approved.\nChanged GYP files:', |
| items=violating_files)] |
| return [] |
| |
| def _CheckNoSourcesAboveGyp(input_api, gyp_files, output_api): |
| # Disallow referencing source files with paths above the GYP file location. |
| source_pattern = input_api.re.compile(r'\'sources\'.*?\[(.*?)\]', |
| re.MULTILINE | re.DOTALL) |
| file_pattern = input_api.re.compile(r"'((\.\./.*?)|(<\(webrtc_root\).*?))'") |
| violating_gyp_files = set() |
| violating_source_entries = [] |
| for gyp_file in gyp_files: |
| if 'supplement.gypi' in gyp_file.LocalPath(): |
| # Exclude supplement.gypi from this check, as the LSan and TSan |
| # suppression files are located in a different location. |
| continue |
| contents = input_api.ReadFile(gyp_file) |
| for source_block_match in source_pattern.finditer(contents): |
| # Find all source list entries starting with ../ in the source block |
| # (exclude overrides entries). |
| for file_list_match in file_pattern.finditer(source_block_match.group(1)): |
| source_file = file_list_match.group(1) |
| if 'overrides/' not in source_file: |
| violating_source_entries.append(source_file) |
| violating_gyp_files.add(gyp_file) |
| if violating_gyp_files: |
| return [output_api.PresubmitError( |
| 'Referencing source files above the directory of the GYP file is not ' |
| 'allowed. Please introduce new GYP targets and/or GYP files in the ' |
| 'proper location instead.\n' |
| 'Invalid source entries:\n' |
| '%s\n' |
| 'Violating GYP files:' % '\n'.join(violating_source_entries), |
| items=violating_gyp_files)] |
| return [] |
| |
| def _CheckGypChanges(input_api, output_api): |
| source_file_filter = lambda x: input_api.FilterSourceFile( |
| x, white_list=(r'.+\.(gyp|gypi)$',)) |
| |
| gyp_files = [] |
| for f in input_api.AffectedSourceFiles(source_file_filter): |
| if f.LocalPath().startswith('webrtc'): |
| gyp_files.append(f) |
| |
| result = [] |
| if gyp_files: |
| result.append(output_api.PresubmitNotifyResult( |
| 'As you\'re changing GYP files: please make sure corresponding ' |
| 'BUILD.gn files are also updated.\nChanged GYP files:', |
| items=gyp_files)) |
| result.extend(_CheckNoRtcBaseDeps(input_api, gyp_files, output_api)) |
| result.extend(_CheckNoSourcesAboveGyp(input_api, gyp_files, output_api)) |
| return result |
| |
| 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. |
| """ |
| # Copied from Chromium's src/PRESUBMIT.py. |
| |
| # 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_path = input_api.os_path.join(input_api.PresubmitLocalPath(), |
| 'buildtools', 'checkdeps') |
| if not os.path.exists(checkdeps_path): |
| return [output_api.PresubmitError( |
| 'Cannot find checkdeps at %s\nHave you run "gclient sync" to ' |
| 'download Chromium and setup the symlinks?' % checkdeps_path)] |
| 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 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 _CheckJSONParseErrors(input_api, output_api): |
| """Check that JSON files do not contain syntax errors.""" |
| |
| def FilterFile(affected_file): |
| return input_api.os_path.splitext(affected_file.LocalPath())[1] == '.json' |
| |
| def GetJSONParseError(input_api, filename): |
| try: |
| contents = input_api.ReadFile(filename) |
| input_api.json.loads(contents) |
| except ValueError as e: |
| return e |
| return None |
| |
| results = [] |
| for affected_file in input_api.AffectedFiles( |
| file_filter=FilterFile, include_deletes=False): |
| parse_error = GetJSONParseError(input_api, |
| affected_file.AbsoluteLocalPath()) |
| if parse_error: |
| results.append(output_api.PresubmitError('%s could not be parsed: %s' % |
| (affected_file.LocalPath(), parse_error))) |
| return results |
| |
| |
| def _RunPythonTests(input_api, output_api): |
| def join(*args): |
| return input_api.os_path.join(input_api.PresubmitLocalPath(), *args) |
| |
| test_directories = [ |
| join('tools', 'autoroller', 'unittests'), |
| join('webrtc', 'tools', 'py_event_log_analyzer'), |
| ] |
| |
| tests = [] |
| for directory in test_directories: |
| tests.extend( |
| input_api.canned_checks.GetUnitTestsInDirectory( |
| input_api, |
| output_api, |
| directory, |
| whitelist=[r'.+_test\.py$'])) |
| return input_api.RunTests(tests, parallel=True) |
| |
| |
| def _CommonChecks(input_api, output_api): |
| """Checks common to both upload and commit.""" |
| results = [] |
| # Filter out files that are in objc or ios dirs from being cpplint-ed since |
| # they do not follow C++ lint rules. |
| black_list = input_api.DEFAULT_BLACK_LIST + ( |
| r".*\bobjc[\\\/].*", |
| ) |
| source_file_filter = lambda x: input_api.FilterSourceFile(x, None, black_list) |
| results.extend(_CheckApprovedFilesLintClean( |
| input_api, output_api, source_file_filter)) |
| results.extend(input_api.canned_checks.RunPylint(input_api, output_api, |
| black_list=(r'^.*gviz_api\.py$', |
| r'^.*gaeunit\.py$', |
| # Embedded shell-script fakes out pylint. |
| r'^build[\\\/].*\.py$', |
| r'^buildtools[\\\/].*\.py$', |
| r'^chromium[\\\/].*\.py$', |
| r'^mojo.*[\\\/].*\.py$', |
| r'^out.*[\\\/].*\.py$', |
| r'^testing[\\\/].*\.py$', |
| r'^third_party[\\\/].*\.py$', |
| r'^tools[\\\/]clang[\\\/].*\.py$', |
| r'^tools[\\\/]generate_library_loader[\\\/].*\.py$', |
| r'^tools[\\\/]generate_stubs[\\\/].*\.py$', |
| r'^tools[\\\/]gn[\\\/].*\.py$', |
| r'^tools[\\\/]gyp[\\\/].*\.py$', |
| r'^tools[\\\/]isolate_driver.py$', |
| r'^tools[\\\/]mb[\\\/].*\.py$', |
| r'^tools[\\\/]protoc_wrapper[\\\/].*\.py$', |
| r'^tools[\\\/]python[\\\/].*\.py$', |
| r'^tools[\\\/]python_charts[\\\/]data[\\\/].*\.py$', |
| r'^tools[\\\/]refactoring[\\\/].*\.py$', |
| r'^tools[\\\/]swarming_client[\\\/].*\.py$', |
| r'^tools[\\\/]vim[\\\/].*\.py$', |
| # TODO(phoglund): should arguably be checked. |
| r'^tools[\\\/]valgrind-webrtc[\\\/].*\.py$', |
| r'^tools[\\\/]valgrind[\\\/].*\.py$', |
| r'^tools[\\\/]win[\\\/].*\.py$', |
| r'^xcodebuild.*[\\\/].*\.py$',), |
| disabled_warnings=['F0401', # Failed to import x |
| 'E0611', # No package y in x |
| 'W0232', # Class has no __init__ method |
| ], |
| pylintrc='pylintrc')) |
| |
| # WebRTC can't use the presubmit_canned_checks.PanProjectChecks function since |
| # we need to have different license checks in talk/ and webrtc/ directories. |
| # Instead, hand-picked checks are included below. |
| |
| # .m and .mm files are ObjC files. For simplicity we will consider .h files in |
| # ObjC subdirectories ObjC headers. |
| objc_filter_list = (r'.+\.m$', r'.+\.mm$', r'.+objc\/.+\.h$') |
| # Skip long-lines check for DEPS, GN and GYP files. |
| build_file_filter_list = (r'.+\.gyp$', r'.+\.gypi$', r'.+\.gn$', r'.+\.gni$', |
| 'DEPS') |
| eighty_char_sources = lambda x: input_api.FilterSourceFile(x, |
| black_list=build_file_filter_list + objc_filter_list) |
| hundred_char_sources = lambda x: input_api.FilterSourceFile(x, |
| white_list=objc_filter_list) |
| results.extend(input_api.canned_checks.CheckLongLines( |
| input_api, output_api, maxlen=80, source_file_filter=eighty_char_sources)) |
| results.extend(input_api.canned_checks.CheckLongLines( |
| input_api, output_api, maxlen=100, |
| source_file_filter=hundred_char_sources)) |
| |
| results.extend(input_api.canned_checks.CheckChangeHasNoTabs( |
| input_api, output_api)) |
| results.extend(input_api.canned_checks.CheckChangeHasNoStrayWhitespace( |
| input_api, output_api)) |
| results.extend(input_api.canned_checks.CheckChangeTodoHasOwner( |
| input_api, output_api)) |
| results.extend(_CheckNativeApiHeaderChanges(input_api, output_api)) |
| results.extend(_CheckNoIOStreamInHeaders(input_api, output_api)) |
| results.extend(_CheckNoFRIEND_TEST(input_api, output_api)) |
| results.extend(_CheckGypChanges(input_api, output_api)) |
| results.extend(_CheckUnwantedDependencies(input_api, output_api)) |
| results.extend(_CheckJSONParseErrors(input_api, output_api)) |
| results.extend(_RunPythonTests(input_api, output_api)) |
| return results |
| |
| |
| def CheckChangeOnUpload(input_api, output_api): |
| results = [] |
| results.extend(_CommonChecks(input_api, output_api)) |
| results.extend( |
| input_api.canned_checks.CheckGNFormatted(input_api, output_api)) |
| return results |
| |
| |
| def CheckChangeOnCommit(input_api, output_api): |
| results = [] |
| results.extend(_CommonChecks(input_api, output_api)) |
| results.extend(_VerifyNativeApiHeadersListIsValid(input_api, output_api)) |
| results.extend(input_api.canned_checks.CheckOwners(input_api, output_api)) |
| results.extend(input_api.canned_checks.CheckChangeWasUploaded( |
| input_api, output_api)) |
| results.extend(input_api.canned_checks.CheckChangeHasDescription( |
| input_api, output_api)) |
| results.extend(input_api.canned_checks.CheckChangeHasBugField( |
| input_api, output_api)) |
| results.extend(input_api.canned_checks.CheckChangeHasTestField( |
| input_api, output_api)) |
| results.extend(input_api.canned_checks.CheckTreeIsOpen( |
| input_api, output_api, |
| json_url='http://webrtc-status.appspot.com/current?format=json')) |
| return results |
| |
| |
| # pylint: disable=W0613 |
| def GetPreferredTryMasters(project, change): |
| cq_config_path = os.path.join( |
| change.RepositoryRoot(), 'infra', 'config', 'cq.cfg') |
| # commit_queue.py below is a script in depot_tools directory, which has a |
| # 'builders' command to retrieve a list of CQ builders from the CQ config. |
| is_win = platform.system() == 'Windows' |
| masters = json.loads(subprocess.check_output( |
| ['commit_queue', 'builders', cq_config_path], shell=is_win)) |
| |
| try_config = {} |
| for master in masters: |
| try_config.setdefault(master, {}) |
| for builder in masters[master]: |
| if 'presubmit' in builder: |
| # Do not trigger presubmit builders, since they're likely to fail |
| # (e.g. OWNERS checks before finished code review), and we're running |
| # local presubmit anyway. |
| pass |
| else: |
| try_config[master][builder] = ['defaulttests'] |
| |
| return try_config |
