| # 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 re |
| import sys |
| from collections import defaultdict |
| from contextlib import contextmanager |
| |
| # Files and directories that are *skipped* by cpplint in the presubmit script. |
| CPPLINT_BLACKLIST = [ |
| 'api/video_codecs/video_decoder.h', |
| 'common_types.cc', |
| 'common_types.h', |
| 'examples/objc', |
| 'media/base/streamparams.h', |
| 'media/base/videocommon.h', |
| 'media/engine/fakewebrtcdeviceinfo.h', |
| 'media/sctp/sctptransport.cc', |
| 'modules/audio_coding', |
| 'modules/audio_device', |
| 'modules/audio_processing', |
| 'modules/desktop_capture', |
| 'modules/include/module_common_types.h', |
| 'modules/utility', |
| 'modules/video_capture', |
| 'p2p/base/pseudotcp.cc', |
| 'p2p/base/pseudotcp.h', |
| 'rtc_base', |
| 'sdk/android/src/jni', |
| 'sdk/objc', |
| 'system_wrappers', |
| 'test', |
| 'tools_webrtc', |
| 'voice_engine', |
| ] |
| |
| # 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 = ( |
| 'api', # All subdirectories of api/ are included as well. |
| 'media/base', |
| 'media/engine', |
| 'modules/audio_device/include', |
| 'pc', |
| ) |
| |
| # These directories should not be used but are maintained only to avoid breaking |
| # some legacy downstream code. |
| LEGACY_API_DIRS = ( |
| 'common_audio/include', |
| 'modules/audio_coding/include', |
| 'modules/audio_processing/include', |
| 'modules/bitrate_controller/include', |
| 'modules/congestion_controller/include', |
| 'modules/include', |
| 'modules/remote_bitrate_estimator/include', |
| 'modules/rtp_rtcp/include', |
| 'modules/rtp_rtcp/source', |
| 'modules/utility/include', |
| 'modules/video_coding/codecs/h264/include', |
| 'modules/video_coding/codecs/i420/include', |
| 'modules/video_coding/codecs/vp8/include', |
| 'modules/video_coding/codecs/vp9/include', |
| 'modules/video_coding/include', |
| 'rtc_base', |
| 'system_wrappers/include', |
| ) |
| |
| # NOTE: The set of directories in API_DIRS should be the same as those |
| # listed in the table in native-api.md. |
| API_DIRS = NATIVE_API_DIRS[:] + LEGACY_API_DIRS[:] |
| |
| # TARGET_RE matches a GN target, and extracts the target name and the contents. |
| TARGET_RE = re.compile(r'(?P<indent>\s*)\w+\("(?P<target_name>\w+)"\) {' |
| r'(?P<target_contents>.*?)' |
| r'(?P=indent)}', |
| re.MULTILINE | re.DOTALL) |
| |
| # SOURCES_RE matches a block of sources inside a GN target. |
| SOURCES_RE = re.compile(r'sources \+?= \[(?P<sources>.*?)\]', |
| re.MULTILINE | re.DOTALL) |
| |
| # FILE_PATH_RE matchies a file path. |
| FILE_PATH_RE = re.compile(r'"(?P<file_path>(\w|\/)+)(?P<extension>\.\w+)"') |
| |
| |
| def FindSrcDirPath(starting_dir): |
| """Returns the abs path to the src/ dir of the project.""" |
| src_dir = starting_dir |
| while os.path.basename(src_dir) != 'src': |
| src_dir = os.path.normpath(os.path.join(src_dir, os.pardir)) |
| return src_dir |
| |
| |
| @contextmanager |
| def _AddToPath(*paths): |
| original_sys_path = sys.path |
| sys.path.extend(paths) |
| try: |
| yield |
| finally: |
| # Restore sys.path to what it was before. |
| sys.path = original_sys_path |
| |
| |
| 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. Usually |
| this is done by keeping the existing method signatures unchanged. |
| 2. Mark the old stuff as deprecated (see RTC_DEPRECATED macro). |
| 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 = [] |
| source_file_filter = lambda x: input_api.FilterSourceFile( |
| x, white_list=[r'.+\.(gn|gni|h)$']) |
| for f in input_api.AffectedSourceFiles(source_file_filter): |
| for path in API_DIRS: |
| dn = os.path.dirname(f.LocalPath()) |
| if path == 'api': |
| # Special case: Subdirectories included. |
| if dn == 'api' or dn.startswith('api/'): |
| files.append(f) |
| else: |
| # Normal case: Subdirectories not included. |
| if dn == path: |
| files.append(f) |
| |
| if files: |
| return [output_api.PresubmitNotifyResult(API_CHANGE_MSG, files)] |
| return [] |
| |
| |
| def CheckNoIOStreamInHeaders(input_api, output_api, |
| source_file_filter): |
| """Checks to make sure no .h files include <iostream>.""" |
| files = [] |
| pattern = input_api.re.compile(r'^#include\s*<iostream>', |
| input_api.re.MULTILINE) |
| file_filter = lambda x: (input_api.FilterSourceFile(x) |
| and source_file_filter(x)) |
| for f in input_api.AffectedSourceFiles(file_filter): |
| 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 CheckNoPragmaOnce(input_api, output_api, |
| source_file_filter): |
| """Make sure that banned functions are not used.""" |
| files = [] |
| pattern = input_api.re.compile(r'^#pragma\s+once', |
| input_api.re.MULTILINE) |
| file_filter = lambda x: (input_api.FilterSourceFile(x) |
| and source_file_filter(x)) |
| for f in input_api.AffectedSourceFiles(file_filter): |
| if not f.LocalPath().endswith('.h'): |
| continue |
| contents = input_api.ReadFile(f) |
| if pattern.search(contents): |
| files.append(f) |
| |
| if files: |
| return [output_api.PresubmitError( |
| 'Do not use #pragma once in header files.\n' |
| 'See http://www.chromium.org/developers/coding-style#TOC-File-headers', |
| files)] |
| return [] |
| |
| |
| def CheckNoFRIEND_TEST(input_api, output_api, # pylint: disable=invalid-name |
| source_file_filter): |
| """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')) |
| and source_file_filter(f)) |
| 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 IsLintBlacklisted(blacklist_paths, file_path): |
| """ Checks if a file is blacklisted for lint check.""" |
| for path in blacklist_paths: |
| if file_path == path or 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 non-blacklisted .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 blacklist for cpplint. |
| blacklist_paths = [input_api.os_path.join(*path.split('/')) |
| for path in CPPLINT_BLACKLIST] |
| |
| # 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 not listed in CPPLINT_BLACKLIST. |
| 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 not IsLintBlacklisted(blacklist_paths, |
| 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: |
| res_type = output_api.PresubmitError |
| else: |
| res_type = output_api.PresubmitPromptWarning |
| result = [res_type('Changelist failed cpplint.py check.')] |
| |
| return result |
| |
| |
| def CheckNoSourcesAbove(input_api, gn_files, output_api): |
| # Disallow referencing source files with paths above the GN file location. |
| source_pattern = input_api.re.compile(r' +sources \+?= \[(.*?)\]', |
| re.MULTILINE | re.DOTALL) |
| file_pattern = input_api.re.compile(r'"((\.\./.*?)|(//.*?))"') |
| violating_gn_files = set() |
| violating_source_entries = [] |
| for gn_file in gn_files: |
| contents = input_api.ReadFile(gn_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_gn_files.add(gn_file) |
| if violating_gn_files: |
| return [output_api.PresubmitError( |
| 'Referencing source files above the directory of the GN file is not ' |
| 'allowed. Please introduce new GN targets in the proper location ' |
| 'instead.\n' |
| 'Invalid source entries:\n' |
| '%s\n' |
| 'Violating GN files:' % '\n'.join(violating_source_entries), |
| items=violating_gn_files)] |
| return [] |
| |
| |
| def CheckNoMixingSources(input_api, gn_files, output_api): |
| """Disallow mixing C, C++ and Obj-C/Obj-C++ in the same target. |
| |
| See bugs.webrtc.org/7743 for more context. |
| """ |
| |
| def _MoreThanOneSourceUsed(*sources_lists): |
| sources_used = 0 |
| for source_list in sources_lists: |
| if len(source_list): |
| sources_used += 1 |
| return sources_used > 1 |
| |
| errors = defaultdict(lambda: []) |
| for gn_file in gn_files: |
| gn_file_content = input_api.ReadFile(gn_file) |
| for target_match in TARGET_RE.finditer(gn_file_content): |
| # list_of_sources is a list of tuples of the form |
| # (c_files, cc_files, objc_files) that keeps track of all the sources |
| # defined in a target. A GN target can have more that on definition of |
| # sources (since it supports if/else statements). |
| # E.g.: |
| # rtc_static_library("foo") { |
| # if (is_win) { |
| # sources = [ "foo.cc" ] |
| # } else { |
| # sources = [ "foo.mm" ] |
| # } |
| # } |
| # This is allowed and the presubmit check should support this case. |
| list_of_sources = [] |
| c_files = [] |
| cc_files = [] |
| objc_files = [] |
| target_name = target_match.group('target_name') |
| target_contents = target_match.group('target_contents') |
| for sources_match in SOURCES_RE.finditer(target_contents): |
| if '+=' not in sources_match.group(0): |
| if c_files or cc_files or objc_files: |
| list_of_sources.append((c_files, cc_files, objc_files)) |
| c_files = [] |
| cc_files = [] |
| objc_files = [] |
| for file_match in FILE_PATH_RE.finditer(sources_match.group(1)): |
| file_path = file_match.group('file_path') |
| extension = file_match.group('extension') |
| if extension == '.c': |
| c_files.append(file_path + extension) |
| if extension == '.cc': |
| cc_files.append(file_path + extension) |
| if extension in ['.m', '.mm']: |
| objc_files.append(file_path + extension) |
| list_of_sources.append((c_files, cc_files, objc_files)) |
| for c_files_list, cc_files_list, objc_files_list in list_of_sources: |
| if _MoreThanOneSourceUsed(c_files_list, cc_files_list, objc_files_list): |
| all_sources = sorted(c_files_list + cc_files_list + objc_files_list) |
| errors[gn_file.LocalPath()].append((target_name, all_sources)) |
| if errors: |
| return [output_api.PresubmitError( |
| 'GN targets cannot mix .c, .cc and .m (or .mm) source files.\n' |
| 'Please create a separate target for each collection of sources.\n' |
| 'Mixed sources: \n' |
| '%s\n' |
| 'Violating GN files:\n%s\n' % (json.dumps(errors, indent=2), |
| '\n'.join(errors.keys())))] |
| return [] |
| |
| |
| def CheckNoPackageBoundaryViolations(input_api, gn_files, output_api): |
| cwd = input_api.PresubmitLocalPath() |
| with _AddToPath(input_api.os_path.join( |
| cwd, 'tools_webrtc', 'presubmit_checks_lib')): |
| from check_package_boundaries import CheckPackageBoundaries |
| build_files = [os.path.join(cwd, gn_file.LocalPath()) for gn_file in gn_files] |
| errors = CheckPackageBoundaries(cwd, build_files)[:5] |
| if errors: |
| return [output_api.PresubmitError( |
| 'There are package boundary violations in the following GN files:', |
| long_text='\n\n'.join(str(err) for err in errors))] |
| return [] |
| |
| |
| def _ReportFileAndLine(filename, line_num): |
| """Default error formatter for _FindNewViolationsOfRule.""" |
| return '%s (line %s)' % (filename, line_num) |
| |
| |
| def CheckNoWarningSuppressionFlagsAreAdded(gn_files, input_api, output_api, |
| error_formatter=_ReportFileAndLine): |
| """Make sure that warning suppression flags are not added wihtout a reason.""" |
| msg = ('Usage of //build/config/clang:extra_warnings is discouraged ' |
| 'in WebRTC.\n' |
| 'If you are not adding this code (e.g. you are just moving ' |
| 'existing code) or you want to add an exception,\n' |
| 'you can add a comment on the line that causes the problem:\n\n' |
| '"-Wno-odr" # no-presubmit-check TODO(bugs.webrtc.org/BUG_ID)\n' |
| '\n' |
| 'Affected files:\n') |
| errors = [] # 2-element tuples with (file, line number) |
| clang_warn_re = input_api.re.compile(r'//build/config/clang:extra_warnings') |
| no_presubmit_re = input_api.re.compile( |
| r'# no-presubmit-check TODO\(bugs\.webrtc\.org/\d+\)') |
| for f in gn_files: |
| for line_num, line in f.ChangedContents(): |
| if clang_warn_re.search(line) and not no_presubmit_re.search(line): |
| errors.append(error_formatter(f.LocalPath(), line_num)) |
| if errors: |
| return [output_api.PresubmitError(msg, errors)] |
| return [] |
| |
| def CheckNoStreamUsageIsAdded(input_api, output_api, |
| source_file_filter, |
| error_formatter=_ReportFileAndLine): |
| """Make sure that no more dependencies on stringstream are added.""" |
| error_msg = ('Usage of <sstream>, <istream> and <ostream> in WebRTC is ' |
| 'deprecated.\n' |
| 'This includes the following types:\n' |
| 'std::istringstream, std::ostringstream, std::wistringstream, ' |
| 'std::wostringstream,\n' |
| 'std::wstringstream, std::ostream, std::wostream, std::istream,' |
| 'std::wistream,\n' |
| 'std::iostream, std::wiostream.\n' |
| 'If you are not adding this code (e.g. you are just moving ' |
| 'existing code),\n' |
| 'you can add a comment on the line that causes the problem:\n\n' |
| '#include <sstream> // no-presubmit-check TODO(webrtc:8982)\n' |
| 'std::ostream& F() { // no-presubmit-check TODO(webrtc:8982)\n' |
| '\n' |
| 'If you are adding new code, consider using ' |
| 'rtc::SimpleStringBuilder\n' |
| '(in rtc_base/strings/string_builder.h).\n' |
| 'Affected files:\n') |
| errors = [] # 2-element tuples with (file, line number) |
| include_re = input_api.re.compile(r'#include <(i|o|s)stream>') |
| usage_re = input_api.re.compile(r'std::(w|i|o|io|wi|wo|wio)(string)*stream') |
| no_presubmit_re = input_api.re.compile( |
| r'// no-presubmit-check TODO\(webrtc:8982\)') |
| file_filter = lambda x: (input_api.FilterSourceFile(x) |
| and source_file_filter(x)) |
| for f in input_api.AffectedSourceFiles(file_filter): |
| if f.LocalPath() == 'PRESUBMIT.py': |
| continue |
| for line_num, line in f.ChangedContents(): |
| if ((include_re.search(line) or usage_re.search(line)) |
| and not no_presubmit_re.search(line)): |
| errors.append(error_formatter(f.LocalPath(), line_num)) |
| if errors: |
| return [output_api.PresubmitError(error_msg, errors)] |
| return [] |
| |
| |
| def CheckPublicDepsIsNotUsed(gn_files, input_api, output_api): |
| """Checks that public_deps is not used without a good reason.""" |
| result = [] |
| no_presubmit_check_re = input_api.re.compile( |
| r'# no-presubmit-check TODO\(webrtc:8603\)') |
| error_msg = ('public_deps is not recommended in WebRTC BUILD.gn files ' |
| 'because it doesn\'t map well to downstream build systems.\n' |
| 'Used in: %s (line %d).\n' |
| 'If you are not adding this code (e.g. you are just moving ' |
| 'existing code) or you have a good reason, you can add a ' |
| 'comment on the line that causes the problem:\n\n' |
| 'public_deps = [ # no-presubmit-check TODO(webrtc:8603)\n') |
| for affected_file in gn_files: |
| for (line_number, affected_line) in affected_file.ChangedContents(): |
| if ('public_deps' in affected_line |
| and not no_presubmit_check_re.search(affected_line)): |
| result.append( |
| output_api.PresubmitError(error_msg % (affected_file.LocalPath(), |
| line_number))) |
| return result |
| |
| |
| def CheckCheckIncludesIsNotUsed(gn_files, output_api): |
| result = [] |
| error_msg = ('check_includes overrides are not allowed since it can cause ' |
| 'incorrect dependencies to form. It effectively means that your ' |
| 'module can include any .h file without depending on its ' |
| 'corresponding target. There are some exceptional cases when ' |
| 'this is allowed: if so, get approval from a .gn owner in the' |
| 'root OWNERS file.\n' |
| 'Used in: %s (line %d).') |
| for affected_file in gn_files: |
| for (line_number, affected_line) in affected_file.ChangedContents(): |
| if 'check_includes' in affected_line: |
| result.append( |
| output_api.PresubmitError(error_msg % (affected_file.LocalPath(), |
| line_number))) |
| return result |
| |
| |
| def CheckGnChanges(input_api, output_api): |
| file_filter = lambda x: (input_api.FilterSourceFile( |
| x, white_list=(r'.+\.(gn|gni)$',), |
| black_list=(r'.*/presubmit_checks_lib/testdata/.*',))) |
| |
| gn_files = [] |
| for f in input_api.AffectedSourceFiles(file_filter): |
| gn_files.append(f) |
| |
| result = [] |
| if gn_files: |
| result.extend(CheckNoSourcesAbove(input_api, gn_files, output_api)) |
| result.extend(CheckNoMixingSources(input_api, gn_files, output_api)) |
| result.extend(CheckNoPackageBoundaryViolations(input_api, gn_files, |
| output_api)) |
| result.extend(CheckPublicDepsIsNotUsed(gn_files, input_api, output_api)) |
| result.extend(CheckCheckIncludesIsNotUsed(gn_files, output_api)) |
| result.extend(CheckNoWarningSuppressionFlagsAreAdded(gn_files, input_api, |
| output_api)) |
| return result |
| |
| |
| def CheckGnGen(input_api, output_api): |
| """Runs `gn gen --check` with default args to detect mismatches between |
| #includes and dependencies in the BUILD.gn files, as well as general build |
| errors. |
| """ |
| with _AddToPath(input_api.os_path.join( |
| input_api.PresubmitLocalPath(), 'tools_webrtc', 'presubmit_checks_lib')): |
| from gn_check import RunGnCheck |
| errors = RunGnCheck(FindSrcDirPath(input_api.PresubmitLocalPath()))[:5] |
| if errors: |
| return [output_api.PresubmitPromptWarning( |
| 'Some #includes do not match the build dependency graph. Please run:\n' |
| ' gn gen --check <out_dir>', |
| long_text='\n\n'.join(errors))] |
| return [] |
| |
| |
| def CheckUnwantedDependencies(input_api, output_api, source_file_filter): |
| """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__. |
| src_path = FindSrcDirPath(input_api.PresubmitLocalPath()) |
| checkdeps_path = input_api.os_path.join(src_path, '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 all the DEPS entries?' % checkdeps_path)] |
| with _AddToPath(checkdeps_path): |
| import checkdeps |
| from cpp_checker import CppChecker |
| from rules import Rule |
| |
| added_includes = [] |
| for f in input_api.AffectedFiles(file_filter=source_file_filter): |
| 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.\n' |
| 'Check that the DEPS files in these locations contain valid rules.\n' |
| 'See https://cs.chromium.org/chromium/src/buildtools/checkdeps/ for ' |
| 'more details about checkdeps.', |
| 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.\n' |
| 'See https://cs.chromium.org/chromium/src/buildtools/checkdeps/ for ' |
| 'more details about checkdeps.', |
| warning_descriptions)) |
| return results |
| |
| |
| def CheckCommitMessageBugEntry(input_api, output_api): |
| """Check that bug entries are well-formed in commit message.""" |
| bogus_bug_msg = ( |
| 'Bogus Bug entry: %s. Please specify the issue tracker prefix and the ' |
| 'issue number, separated by a colon, e.g. webrtc:123 or chromium:12345.') |
| results = [] |
| for bug in input_api.change.BugsFromDescription(): |
| bug = bug.strip() |
| if bug.lower() == 'none': |
| continue |
| if 'b/' not in bug and ':' not in bug: |
| try: |
| if int(bug) > 100000: |
| # Rough indicator for current chromium bugs. |
| prefix_guess = 'chromium' |
| else: |
| prefix_guess = 'webrtc' |
| results.append('Bug entry requires issue tracker prefix, e.g. %s:%s' % |
| (prefix_guess, bug)) |
| except ValueError: |
| results.append(bogus_bug_msg % bug) |
| elif not (re.match(r'\w+:\d+', bug) or re.match(r'b/\d+', bug)): |
| results.append(bogus_bug_msg % bug) |
| return [output_api.PresubmitError(r) for r in results] |
| |
| |
| def CheckChangeHasBugField(input_api, output_api): |
| """Requires that the changelist is associated with a bug. |
| |
| This check is stricter than the one in depot_tools/presubmit_canned_checks.py |
| since it fails the presubmit if the bug field is missing or doesn't contain |
| a bug reference. |
| |
| This supports both 'BUG=' and 'Bug:' since we are in the process of migrating |
| to Gerrit and it encourages the usage of 'Bug:'. |
| """ |
| if input_api.change.BugsFromDescription(): |
| return [] |
| else: |
| return [output_api.PresubmitError( |
| 'The "Bug: [bug number]" footer is mandatory. Please create a bug and ' |
| 'reference it using either of:\n' |
| ' * https://bugs.webrtc.org - reference it using Bug: webrtc:XXXX\n' |
| ' * https://crbug.com - reference it using Bug: chromium:XXXXXX')] |
| |
| |
| def CheckJSONParseErrors(input_api, output_api, source_file_filter): |
| """Check that JSON files do not contain syntax errors.""" |
| |
| def FilterFile(affected_file): |
| return (input_api.os_path.splitext(affected_file.LocalPath())[1] == '.json' |
| and source_file_filter(affected_file)) |
| |
| 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 = [ |
| input_api.PresubmitLocalPath(), |
| Join('rtc_tools', 'py_event_log_analyzer'), |
| Join('rtc_tools'), |
| Join('audio', 'test', 'unittests'), |
| ] + [ |
| root for root, _, files in os.walk(Join('tools_webrtc')) |
| if any(f.endswith('_test.py') for f in files) |
| ] |
| |
| 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 CheckUsageOfGoogleProtobufNamespace(input_api, output_api, |
| source_file_filter): |
| """Checks that the namespace google::protobuf has not been used.""" |
| files = [] |
| pattern = input_api.re.compile(r'google::protobuf') |
| proto_utils_path = os.path.join('rtc_base', 'protobuf_utils.h') |
| file_filter = lambda x: (input_api.FilterSourceFile(x) |
| and source_file_filter(x)) |
| for f in input_api.AffectedSourceFiles(file_filter): |
| if f.LocalPath() in [proto_utils_path, 'PRESUBMIT.py']: |
| continue |
| contents = input_api.ReadFile(f) |
| if pattern.search(contents): |
| files.append(f) |
| |
| if files: |
| return [output_api.PresubmitError( |
| 'Please avoid to use namespace `google::protobuf` directly.\n' |
| 'Add a using directive in `%s` and include that header instead.' |
| % proto_utils_path, files)] |
| return [] |
| |
| |
| def _LicenseHeader(input_api): |
| """Returns the license header regexp.""" |
| # Accept any year number from 2003 to the current year |
| current_year = int(input_api.time.strftime('%Y')) |
| allowed_years = (str(s) for s in reversed(xrange(2003, current_year + 1))) |
| years_re = '(' + '|'.join(allowed_years) + ')' |
| license_header = ( |
| r'.*? Copyright( \(c\))? %(year)s The WebRTC [Pp]roject [Aa]uthors\. ' |
| r'All [Rr]ights [Rr]eserved\.\n' |
| r'.*?\n' |
| r'.*? Use of this source code is governed by a BSD-style license\n' |
| r'.*? that can be found in the LICENSE file in the root of the source\n' |
| r'.*? tree\. An additional intellectual property rights grant can be ' |
| r'found\n' |
| r'.*? in the file PATENTS\. All contributing project authors may\n' |
| r'.*? be found in the AUTHORS file in the root of the source tree\.\n' |
| ) % { |
| 'year': years_re, |
| } |
| return license_header |
| |
| |
| 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[\\\/].*", |
| r".*objc\.[hcm]+$", |
| ) |
| source_file_filter = lambda x: input_api.FilterSourceFile(x, None, black_list) |
| results.extend(CheckApprovedFilesLintClean( |
| input_api, output_api, source_file_filter)) |
| results.extend(input_api.canned_checks.CheckLicense( |
| input_api, output_api, _LicenseHeader(input_api))) |
| results.extend(input_api.canned_checks.RunPylint(input_api, output_api, |
| black_list=(r'^base[\\\/].*\.py$', |
| r'^build[\\\/].*\.py$', |
| r'^buildtools[\\\/].*\.py$', |
| r'^infra[\\\/].*\.py$', |
| r'^ios[\\\/].*\.py$', |
| r'^out.*[\\\/].*\.py$', |
| r'^testing[\\\/].*\.py$', |
| r'^third_party[\\\/].*\.py$', |
| r'^tools[\\\/].*\.py$', |
| # TODO(phoglund): should arguably be checked. |
| r'^tools_webrtc[\\\/]mb[\\\/].*\.py$', |
| r'^xcodebuild.*[\\\/].*\.py$',), |
| pylintrc='pylintrc')) |
| |
| # TODO(nisse): talk/ is no more, so make below checks simpler? |
| # 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$') |
| # Skip long-lines check for DEPS and GN files. |
| build_file_filter_list = (r'.+\.gn$', r'.+\.gni$', 'DEPS') |
| # Also we will skip most checks for third_party directory. |
| third_party_filter_list = (r'^third_party[\\\/].+',) |
| eighty_char_sources = lambda x: input_api.FilterSourceFile(x, |
| black_list=build_file_filter_list + objc_filter_list + |
| third_party_filter_list) |
| hundred_char_sources = lambda x: input_api.FilterSourceFile(x, |
| white_list=objc_filter_list) |
| non_third_party_sources = lambda x: input_api.FilterSourceFile(x, |
| black_list=third_party_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, source_file_filter=non_third_party_sources)) |
| results.extend(input_api.canned_checks.CheckChangeHasNoStrayWhitespace( |
| input_api, output_api, source_file_filter=non_third_party_sources)) |
| results.extend(input_api.canned_checks.CheckAuthorizedAuthor( |
| input_api, output_api, bot_whitelist=[ |
| 'chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com' |
| ])) |
| results.extend(input_api.canned_checks.CheckChangeTodoHasOwner( |
| input_api, output_api, source_file_filter=non_third_party_sources)) |
| results.extend(input_api.canned_checks.CheckPatchFormatted( |
| input_api, output_api)) |
| results.extend(CheckNativeApiHeaderChanges(input_api, output_api)) |
| results.extend(CheckNoIOStreamInHeaders( |
| input_api, output_api, source_file_filter=non_third_party_sources)) |
| results.extend(CheckNoPragmaOnce( |
| input_api, output_api, source_file_filter=non_third_party_sources)) |
| results.extend(CheckNoFRIEND_TEST( |
| input_api, output_api, source_file_filter=non_third_party_sources)) |
| results.extend(CheckGnChanges(input_api, output_api)) |
| results.extend(CheckUnwantedDependencies( |
| input_api, output_api, source_file_filter=non_third_party_sources)) |
| results.extend(CheckJSONParseErrors( |
| input_api, output_api, source_file_filter=non_third_party_sources)) |
| results.extend(RunPythonTests(input_api, output_api)) |
| results.extend(CheckUsageOfGoogleProtobufNamespace( |
| input_api, output_api, source_file_filter=non_third_party_sources)) |
| results.extend(CheckOrphanHeaders( |
| input_api, output_api, source_file_filter=non_third_party_sources)) |
| results.extend(CheckNewlineAtTheEndOfProtoFiles( |
| input_api, output_api, source_file_filter=non_third_party_sources)) |
| results.extend(CheckNoStreamUsageIsAdded( |
| input_api, output_api, non_third_party_sources)) |
| results.extend(CheckAddedDepsHaveTargetApprovals(input_api, output_api)) |
| results.extend(CheckApiDepsFileIsUpToDate(input_api, output_api)) |
| return results |
| |
| |
| def CheckApiDepsFileIsUpToDate(input_api, output_api): |
| """Check that 'include_rules' in api/DEPS is up to date. |
| |
| The file api/DEPS must be kept up to date in order to avoid to avoid to |
| include internal header from WebRTC's api/ headers. |
| |
| This check is focused on ensuring that 'include_rules' contains a deny |
| rule for each root level directory. More focused allow rules can be |
| added to 'specific_include_rules'. |
| """ |
| results = [] |
| api_deps = os.path.join(input_api.PresubmitLocalPath(), 'api', 'DEPS') |
| with open(api_deps) as f: |
| deps_content = _ParseDeps(f.read()) |
| |
| include_rules = deps_content.get('include_rules', []) |
| |
| # Only check top level directories affected by the current CL. |
| dirs_to_check = set() |
| for f in input_api.AffectedFiles(): |
| path_tokens = [t for t in f.LocalPath().split(os.sep) if t] |
| if len(path_tokens) > 1: |
| if (path_tokens[0] != 'api' and |
| os.path.isdir(os.path.join(input_api.PresubmitLocalPath(), |
| path_tokens[0]))): |
| dirs_to_check.add(path_tokens[0]) |
| |
| missing_include_rules = set() |
| for p in dirs_to_check: |
| rule = '-%s' % p |
| if rule not in include_rules: |
| missing_include_rules.add(rule) |
| |
| if missing_include_rules: |
| error_msg = [ |
| 'include_rules = [\n', |
| ' ...\n', |
| ] |
| |
| for r in sorted(missing_include_rules): |
| error_msg.append(' "%s",\n' % str(r)) |
| |
| error_msg.append(' ...\n') |
| error_msg.append(']\n') |
| |
| results.append(output_api.PresubmitError( |
| 'New root level directory detected! WebRTC api/ headers should ' |
| 'not #include headers from \n' |
| 'the new directory, so please update "include_rules" in file\n' |
| '"%s". Example:\n%s\n' % (api_deps, ''.join(error_msg)))) |
| |
| return results |
| |
| |
| def CheckChangeOnUpload(input_api, output_api): |
| results = [] |
| results.extend(CommonChecks(input_api, output_api)) |
| results.extend(CheckGnGen(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(CheckChangeHasBugField(input_api, output_api)) |
| results.extend(CheckCommitMessageBugEntry(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 |
| |
| |
| def CheckOrphanHeaders(input_api, output_api, source_file_filter): |
| # We need to wait until we have an input_api object and use this |
| # roundabout construct to import prebubmit_checks_lib because this file is |
| # eval-ed and thus doesn't have __file__. |
| error_msg = """{} should be listed in {}.""" |
| results = [] |
| orphan_blacklist = [ |
| os.path.join('tools_webrtc', 'ios', 'SDK'), |
| ] |
| with _AddToPath(input_api.os_path.join( |
| input_api.PresubmitLocalPath(), 'tools_webrtc', 'presubmit_checks_lib')): |
| from check_orphan_headers import GetBuildGnPathFromFilePath |
| from check_orphan_headers import IsHeaderInBuildGn |
| |
| file_filter = lambda x: input_api.FilterSourceFile( |
| x, black_list=orphan_blacklist) and source_file_filter(x) |
| for f in input_api.AffectedSourceFiles(file_filter): |
| if f.LocalPath().endswith('.h'): |
| file_path = os.path.abspath(f.LocalPath()) |
| root_dir = os.getcwd() |
| gn_file_path = GetBuildGnPathFromFilePath(file_path, os.path.exists, |
| root_dir) |
| in_build_gn = IsHeaderInBuildGn(file_path, gn_file_path) |
| if not in_build_gn: |
| results.append(output_api.PresubmitError(error_msg.format( |
| f.LocalPath(), os.path.relpath(gn_file_path)))) |
| return results |
| |
| |
| def CheckNewlineAtTheEndOfProtoFiles(input_api, output_api, source_file_filter): |
| """Checks that all .proto files are terminated with a newline.""" |
| error_msg = 'File {} must end with exactly one newline.' |
| results = [] |
| file_filter = lambda x: input_api.FilterSourceFile( |
| x, white_list=(r'.+\.proto$',)) and source_file_filter(x) |
| for f in input_api.AffectedSourceFiles(file_filter): |
| file_path = f.LocalPath() |
| with open(file_path) as f: |
| lines = f.readlines() |
| if len(lines) > 0 and not lines[-1].endswith('\n'): |
| results.append(output_api.PresubmitError(error_msg.format(file_path))) |
| return results |
| |
| |
| def _ExtractAddRulesFromParsedDeps(parsed_deps): |
| """Extract the rules that add dependencies from a parsed DEPS file. |
| |
| Args: |
| parsed_deps: the locals dictionary from evaluating the DEPS file.""" |
| add_rules = set() |
| add_rules.update([ |
| rule[1:] for rule in parsed_deps.get('include_rules', []) |
| if rule.startswith('+') or rule.startswith('!') |
| ]) |
| for _, rules in parsed_deps.get('specific_include_rules', |
| {}).iteritems(): |
| add_rules.update([ |
| rule[1:] for rule in rules |
| if rule.startswith('+') or rule.startswith('!') |
| ]) |
| return add_rules |
| |
| |
| def _ParseDeps(contents): |
| """Simple helper for parsing DEPS files.""" |
| # Stubs for handling special syntax in the root DEPS file. |
| class VarImpl(object): |
| |
| def __init__(self, local_scope): |
| self._local_scope = local_scope |
| |
| def Lookup(self, var_name): |
| """Implements the Var syntax.""" |
| try: |
| return self._local_scope['vars'][var_name] |
| except KeyError: |
| raise Exception('Var is not defined: %s' % var_name) |
| |
| local_scope = {} |
| global_scope = { |
| 'Var': VarImpl(local_scope).Lookup, |
| } |
| exec contents in global_scope, local_scope |
| return local_scope |
| |
| |
| def _CalculateAddedDeps(os_path, old_contents, new_contents): |
| """Helper method for _CheckAddedDepsHaveTargetApprovals. Returns |
| a set of DEPS entries that we should look up. |
| |
| For a directory (rather than a specific filename) we fake a path to |
| a specific filename by adding /DEPS. This is chosen as a file that |
| will seldom or never be subject to per-file include_rules. |
| """ |
| # We ignore deps entries on auto-generated directories. |
| auto_generated_dirs = ['grit', 'jni'] |
| |
| old_deps = _ExtractAddRulesFromParsedDeps(_ParseDeps(old_contents)) |
| new_deps = _ExtractAddRulesFromParsedDeps(_ParseDeps(new_contents)) |
| |
| added_deps = new_deps.difference(old_deps) |
| |
| results = set() |
| for added_dep in added_deps: |
| if added_dep.split('/')[0] in auto_generated_dirs: |
| continue |
| # Assume that a rule that ends in .h is a rule for a specific file. |
| if added_dep.endswith('.h'): |
| results.add(added_dep) |
| else: |
| results.add(os_path.join(added_dep, 'DEPS')) |
| return results |
| |
| |
| def CheckAddedDepsHaveTargetApprovals(input_api, output_api): |
| """When a dependency prefixed with + is added to a DEPS file, we |
| want to make sure that the change is reviewed by an OWNER of the |
| target file or directory, to avoid layering violations from being |
| introduced. This check verifies that this happens. |
| """ |
| virtual_depended_on_files = set() |
| |
| file_filter = lambda f: not input_api.re.match( |
| r"^third_party[\\\/](WebKit|blink)[\\\/].*", f.LocalPath()) |
| for f in input_api.AffectedFiles(include_deletes=False, |
| file_filter=file_filter): |
| filename = input_api.os_path.basename(f.LocalPath()) |
| if filename == 'DEPS': |
| virtual_depended_on_files.update(_CalculateAddedDeps( |
| input_api.os_path, |
| '\n'.join(f.OldContents()), |
| '\n'.join(f.NewContents()))) |
| |
| if not virtual_depended_on_files: |
| return [] |
| |
| if input_api.is_committing: |
| if input_api.tbr: |
| return [output_api.PresubmitNotifyResult( |
| '--tbr was specified, skipping OWNERS check for DEPS additions')] |
| if input_api.dry_run: |
| return [output_api.PresubmitNotifyResult( |
| 'This is a dry run, skipping OWNERS check for DEPS additions')] |
| if not input_api.change.issue: |
| return [output_api.PresubmitError( |
| "DEPS approval by OWNERS check failed: this change has " |
| "no change number, so we can't check it for approvals.")] |
| output = output_api.PresubmitError |
| else: |
| output = output_api.PresubmitNotifyResult |
| |
| owners_db = input_api.owners_db |
| owner_email, reviewers = ( |
| input_api.canned_checks.GetCodereviewOwnerAndReviewers( |
| input_api, |
| owners_db.email_regexp, |
| approval_needed=input_api.is_committing)) |
| |
| owner_email = owner_email or input_api.change.author_email |
| |
| reviewers_plus_owner = set(reviewers) |
| if owner_email: |
| reviewers_plus_owner.add(owner_email) |
| missing_files = owners_db.files_not_covered_by(virtual_depended_on_files, |
| reviewers_plus_owner) |
| |
| # We strip the /DEPS part that was added by |
| # _FilesToCheckForIncomingDeps to fake a path to a file in a |
| # directory. |
| def StripDeps(path): |
| start_deps = path.rfind('/DEPS') |
| if start_deps != -1: |
| return path[:start_deps] |
| else: |
| return path |
| unapproved_dependencies = ["'+%s'," % StripDeps(path) |
| for path in missing_files] |
| |
| if unapproved_dependencies: |
| output_list = [ |
| output('You need LGTM from owners of depends-on paths in DEPS that were ' |
| 'modified in this CL:\n %s' % |
| '\n '.join(sorted(unapproved_dependencies)))] |
| suggested_owners = owners_db.reviewers_for(missing_files, owner_email) |
| output_list.append(output( |
| 'Suggested missing target path OWNERS:\n %s' % |
| '\n '.join(suggested_owners or []))) |
| return output_list |
| |
| return [] |
