diff options
Diffstat (limited to 'deps/v8/tools/mb/mb.py')
| -rwxr-xr-x | deps/v8/tools/mb/mb.py | 520 |
1 files changed, 128 insertions, 392 deletions
diff --git a/deps/v8/tools/mb/mb.py b/deps/v8/tools/mb/mb.py index 9a6600225b..b97ce455c2 100755 --- a/deps/v8/tools/mb/mb.py +++ b/deps/v8/tools/mb/mb.py @@ -4,16 +4,12 @@ # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. -"""MB - the Meta-Build wrapper around GYP and GN +"""MB - the Meta-Build wrapper around GN. -MB is a wrapper script for GYP and GN that can be used to generate build files +MB is a wrapper script for GN that can be used to generate build files for sets of canned configurations and analyze them. """ -# TODO(thomasanderson): Remove this comment. It is added to -# workaround https://crbug.com/736215 for CL -# https://codereview.chromium.org/2974603002/ - from __future__ import print_function import argparse @@ -22,6 +18,7 @@ import errno import json import os import pipes +import platform import pprint import re import shutil @@ -95,21 +92,17 @@ class MetaBuildWrapper(object): help='path to config file ' '(default is %(default)s)') subp.add_argument('-i', '--isolate-map-file', metavar='PATH', - default=self.default_isolate_map, help='path to isolate map file ' - '(default is %(default)s)') + '(default is %(default)s)', + default=[], + action='append', + dest='isolate_map_files') subp.add_argument('-g', '--goma-dir', help='path to goma directory') - subp.add_argument('--gyp-script', metavar='PATH', - default=self.PathJoin('build', 'gyp_chromium'), - help='path to gyp script relative to project root ' - '(default is %(default)s)') subp.add_argument('--android-version-code', - help='Sets GN arg android_default_version_code and ' - 'GYP_DEFINE app_manifest_version_code') + help='Sets GN arg android_default_version_code') subp.add_argument('--android-version-name', - help='Sets GN arg android_default_version_name and ' - 'GYP_DEFINE app_manifest_version_name') + help='Sets GN arg android_default_version_name') subp.add_argument('-n', '--dryrun', action='store_true', help='Do a dry run (i.e., do nothing, just print ' 'the commands that will run)') @@ -190,7 +183,6 @@ class MetaBuildWrapper(object): ' --test-launcher-retry-limit=0' '\n' ) - AddCommonOptions(subp) subp.add_argument('-j', '--jobs', dest='jobs', type=int, help='Number of jobs to pass to ninja') @@ -202,6 +194,14 @@ class MetaBuildWrapper(object): ' This can be either a regular path or a ' 'GN-style source-relative path like ' '//out/Default.')) + subp.add_argument('-s', '--swarmed', action='store_true', + help='Run under swarming with the default dimensions') + subp.add_argument('-d', '--dimension', default=[], action='append', nargs=2, + dest='dimensions', metavar='FOO bar', + help='dimension to filter on') + subp.add_argument('--no-default-dimensions', action='store_false', + dest='default_dimensions', default=True, + help='Do not automatically add dimensions to the task') subp.add_argument('target', nargs=1, help='ninja target to build and run') subp.add_argument('extra_args', nargs='*', @@ -217,26 +217,6 @@ class MetaBuildWrapper(object): help='path to config file (default is %(default)s)') subp.set_defaults(func=self.CmdValidate) - subp = subps.add_parser('audit', - help='Audit the config file to track progress') - subp.add_argument('-f', '--config-file', metavar='PATH', - default=self.default_config, - help='path to config file (default is %(default)s)') - subp.add_argument('-i', '--internal', action='store_true', - help='check internal masters also') - subp.add_argument('-m', '--master', action='append', - help='master to audit (default is all non-internal ' - 'masters in file)') - subp.add_argument('-u', '--url-template', action='store', - default='https://build.chromium.org/p/' - '{master}/json/builders', - help='URL scheme for JSON APIs to buildbot ' - '(default: %(default)s) ') - subp.add_argument('-c', '--check-compile', action='store_true', - help='check whether tbd and master-only bots actually' - ' do compiles') - subp.set_defaults(func=self.CmdAudit) - subp = subps.add_parser('gerrit-buildbucket-config', help='Print buildbucket.config for gerrit ' '(see MB user guide)') @@ -276,11 +256,7 @@ class MetaBuildWrapper(object): def CmdAnalyze(self): vals = self.Lookup() - self.ClobberIfNeeded(vals) - if vals['type'] == 'gn': - return self.RunGNAnalyze(vals) - else: - return self.RunGYPAnalyze(vals) + return self.RunGNAnalyze(vals) def CmdExport(self): self.ReadConfigFile() @@ -312,11 +288,7 @@ class MetaBuildWrapper(object): def CmdGen(self): vals = self.Lookup() - self.ClobberIfNeeded(vals) - if vals['type'] == 'gn': - return self.RunGNGen(vals) - else: - return self.RunGYPGen(vals) + return self.RunGNGen(vals) def CmdHelp(self): if self.args.subcommand: @@ -328,21 +300,14 @@ class MetaBuildWrapper(object): vals = self.GetConfig() if not vals: return 1 - - if vals['type'] == 'gn': - return self.RunGNIsolate() - else: - return self.Build('%s_run' % self.args.target[0]) + return self.RunGNIsolate() def CmdLookup(self): vals = self.Lookup() - if vals['type'] == 'gn': - cmd = self.GNCmd('gen', '_path_') - gn_args = self.GNArgs(vals) - self.Print('\nWriting """\\\n%s""" to _path_/args.gn.\n' % gn_args) - env = None - else: - cmd, env = self.GYPCmd('_path_', vals) + cmd = self.GNCmd('gen', '_path_') + gn_args = self.GNArgs(vals) + self.Print('\nWriting """\\\n%s""" to _path_/args.gn.\n' % gn_args) + env = None self.PrintCmd(cmd, env) return 0 @@ -355,32 +320,86 @@ class MetaBuildWrapper(object): build_dir = self.args.path[0] target = self.args.target[0] - if vals['type'] == 'gn': - if self.args.build: - ret = self.Build(target) - if ret: - return ret - ret = self.RunGNIsolate() + if self.args.build: + ret = self.Build(target) if ret: return ret + ret = self.RunGNIsolate() + if ret: + return ret + + if self.args.swarmed: + return self._RunUnderSwarming(build_dir, target) else: - ret = self.Build('%s_run' % target) - if ret: - return ret + return self._RunLocallyIsolated(build_dir, target) + + def _RunUnderSwarming(self, build_dir, target): + # TODO(dpranke): Look up the information for the target in + # the //testing/buildbot.json file, if possible, so that we + # can determine the isolate target, command line, and additional + # swarming parameters, if possible. + # + # TODO(dpranke): Also, add support for sharding and merging results. + dimensions = [] + for k, v in self._DefaultDimensions() + self.args.dimensions: + dimensions += ['-d', k, v] cmd = [ self.executable, self.PathJoin('tools', 'swarming_client', 'isolate.py'), + 'archive', + '-s', + self.ToSrcRelPath('%s/%s.isolated' % (build_dir, target)), + '-I', 'isolateserver.appspot.com', + ] + ret, out, _ = self.Run(cmd, force_verbose=False) + if ret: + return ret + + isolated_hash = out.splitlines()[0].split()[0] + cmd = [ + self.executable, + self.PathJoin('tools', 'swarming_client', 'swarming.py'), + 'run', + '-s', isolated_hash, + '-I', 'isolateserver.appspot.com', + '-S', 'chromium-swarm.appspot.com', + ] + dimensions + if self.args.extra_args: + cmd += ['--'] + self.args.extra_args + ret, _, _ = self.Run(cmd, force_verbose=True, buffer_output=False) + return ret + + def _RunLocallyIsolated(self, build_dir, target): + cmd = [ + self.executable, + self.PathJoin('tools', 'swarming_client', 'isolate.py'), 'run', '-s', self.ToSrcRelPath('%s/%s.isolated' % (build_dir, target)), - ] + ] if self.args.extra_args: - cmd += ['--'] + self.args.extra_args + cmd += ['--'] + self.args.extra_args + ret, _, _ = self.Run(cmd, force_verbose=True, buffer_output=False) + return ret - ret, _, _ = self.Run(cmd, force_verbose=False, buffer_output=False) + def _DefaultDimensions(self): + if not self.args.default_dimensions: + return [] + + # This code is naive and just picks reasonable defaults per platform. + if self.platform == 'darwin': + os_dim = ('os', 'Mac-10.12') + elif self.platform.startswith('linux'): + os_dim = ('os', 'Ubuntu-14.04') + elif self.platform == 'win32': + os_dim = ('os', 'Windows-10-14393') + else: + raise MBErr('unrecognized platform string "%s"' % self.platform) - return ret + return [('pool', 'Chrome'), + ('cpu', 'x86-64'), + os_dim] def CmdBuildbucket(self): self.ReadConfigFile() @@ -462,154 +481,26 @@ class MetaBuildWrapper(object): self.Print('mb config file %s looks ok.' % self.args.config_file) return 0 - def CmdAudit(self): - """Track the progress of the GYP->GN migration on the bots.""" - - # First, make sure the config file is okay, but don't print anything - # if it is (it will throw an error if it isn't). - self.CmdValidate(print_ok=False) - - stats = OrderedDict() - STAT_MASTER_ONLY = 'Master only' - STAT_CONFIG_ONLY = 'Config only' - STAT_TBD = 'Still TBD' - STAT_GYP = 'Still GYP' - STAT_DONE = 'Done (on GN)' - stats[STAT_MASTER_ONLY] = 0 - stats[STAT_CONFIG_ONLY] = 0 - stats[STAT_TBD] = 0 - stats[STAT_GYP] = 0 - stats[STAT_DONE] = 0 - - def PrintBuilders(heading, builders, notes): - stats.setdefault(heading, 0) - stats[heading] += len(builders) - if builders: - self.Print(' %s:' % heading) - for builder in sorted(builders): - self.Print(' %s%s' % (builder, notes[builder])) - - self.ReadConfigFile() - - masters = self.args.master or self.masters - for master in sorted(masters): - url = self.args.url_template.replace('{master}', master) - - self.Print('Auditing %s' % master) - - MASTERS_TO_SKIP = ( - 'client.skia', - 'client.v8.fyi', - 'tryserver.v8', - ) - if master in MASTERS_TO_SKIP: - # Skip these bots because converting them is the responsibility of - # those teams and out of scope for the Chromium migration to GN. - self.Print(' Skipped (out of scope)') - self.Print('') - continue - - INTERNAL_MASTERS = ('official.desktop', 'official.desktop.continuous', - 'internal.client.kitchensync') - if master in INTERNAL_MASTERS and not self.args.internal: - # Skip these because the servers aren't accessible by default ... - self.Print(' Skipped (internal)') - self.Print('') - continue - - try: - # Fetch the /builders contents from the buildbot master. The - # keys of the dict are the builder names themselves. - json_contents = self.Fetch(url) - d = json.loads(json_contents) - except Exception as e: - self.Print(str(e)) - return 1 - - config_builders = set(self.masters[master]) - master_builders = set(d.keys()) - both = master_builders & config_builders - master_only = master_builders - config_builders - config_only = config_builders - master_builders - tbd = set() - gyp = set() - done = set() - notes = {builder: '' for builder in config_builders | master_builders} - - for builder in both: - config = self.masters[master][builder] - if config == 'tbd': - tbd.add(builder) - elif isinstance(config, dict): - vals = self.FlattenConfig(config.values()[0]) - if vals['type'] == 'gyp': - gyp.add(builder) - else: - done.add(builder) - elif config.startswith('//'): - done.add(builder) - else: - vals = self.FlattenConfig(config) - if vals['type'] == 'gyp': - gyp.add(builder) - else: - done.add(builder) - - if self.args.check_compile and (tbd or master_only): - either = tbd | master_only - for builder in either: - notes[builder] = ' (' + self.CheckCompile(master, builder) +')' - - if master_only or config_only or tbd or gyp: - PrintBuilders(STAT_MASTER_ONLY, master_only, notes) - PrintBuilders(STAT_CONFIG_ONLY, config_only, notes) - PrintBuilders(STAT_TBD, tbd, notes) - PrintBuilders(STAT_GYP, gyp, notes) - else: - self.Print(' All GN!') - - stats[STAT_DONE] += len(done) - - self.Print('') - - fmt = '{:<27} {:>4}' - self.Print(fmt.format('Totals', str(sum(int(v) for v in stats.values())))) - self.Print(fmt.format('-' * 27, '----')) - for stat, count in stats.items(): - self.Print(fmt.format(stat, str(count))) - - return 0 - def GetConfig(self): build_dir = self.args.path[0] vals = self.DefaultVals() if self.args.builder or self.args.master or self.args.config: vals = self.Lookup() - if vals['type'] == 'gn': - # Re-run gn gen in order to ensure the config is consistent with the - # build dir. - self.RunGNGen(vals) + # Re-run gn gen in order to ensure the config is consistent with the + # build dir. + self.RunGNGen(vals) return vals - mb_type_path = self.PathJoin(self.ToAbsPath(build_dir), 'mb_type') - if not self.Exists(mb_type_path): - toolchain_path = self.PathJoin(self.ToAbsPath(build_dir), - 'toolchain.ninja') - if not self.Exists(toolchain_path): - self.Print('Must either specify a path to an existing GN build dir ' - 'or pass in a -m/-b pair or a -c flag to specify the ' - 'configuration') - return {} - else: - mb_type = 'gn' - else: - mb_type = self.ReadFile(mb_type_path).strip() - - if mb_type == 'gn': - vals['gn_args'] = self.GNArgsFromDir(build_dir) - vals['type'] = mb_type + toolchain_path = self.PathJoin(self.ToAbsPath(build_dir), + 'toolchain.ninja') + if not self.Exists(toolchain_path): + self.Print('Must either specify a path to an existing GN build dir ' + 'or pass in a -m/-b pair or a -c flag to specify the ' + 'configuration') + return {} + vals['gn_args'] = self.GNArgsFromDir(build_dir) return vals def GNArgsFromDir(self, build_dir): @@ -641,14 +532,6 @@ class MetaBuildWrapper(object): raise MBErr('Config "%s" not found in %s' % (config, self.args.config_file)) vals = self.FlattenConfig(config) - - # Do some basic sanity checking on the config so that we - # don't have to do this in every caller. - if 'type' not in vals: - vals['type'] = 'gn' - assert vals['type'] in ('gn', 'gyp'), ( - 'Unknown meta-build type "%s"' % vals['gn_args']) - return vals def ReadIOSBotConfig(self): @@ -660,17 +543,10 @@ class MetaBuildWrapper(object): return {} contents = json.loads(self.ReadFile(path)) - gyp_vals = contents.get('GYP_DEFINES', {}) - if isinstance(gyp_vals, dict): - gyp_defines = ' '.join('%s=%s' % (k, v) for k, v in gyp_vals.items()) - else: - gyp_defines = ' '.join(gyp_vals) gn_args = ' '.join(contents.get('gn_args', [])) vals = self.DefaultVals() vals['gn_args'] = gn_args - vals['gyp_defines'] = gyp_defines - vals['type'] = contents.get('mb_type', 'gn') return vals def ReadConfigFile(self): @@ -689,14 +565,26 @@ class MetaBuildWrapper(object): self.mixins = contents['mixins'] def ReadIsolateMap(self): - if not self.Exists(self.args.isolate_map_file): - raise MBErr('isolate map file not found at %s' % - self.args.isolate_map_file) - try: - return ast.literal_eval(self.ReadFile(self.args.isolate_map_file)) - except SyntaxError as e: - raise MBErr('Failed to parse isolate map file "%s": %s' % - (self.args.isolate_map_file, e)) + if not self.args.isolate_map_files: + self.args.isolate_map_files = [self.default_isolate_map] + + for f in self.args.isolate_map_files: + if not self.Exists(f): + raise MBErr('isolate map file not found at %s' % f) + isolate_maps = {} + for isolate_map in self.args.isolate_map_files: + try: + isolate_map = ast.literal_eval(self.ReadFile(isolate_map)) + duplicates = set(isolate_map).intersection(isolate_maps) + if duplicates: + raise MBErr( + 'Duplicate targets in isolate map files: %s.' % + ', '.join(duplicates)) + isolate_maps.update(isolate_map) + except SyntaxError as e: + raise MBErr( + 'Failed to parse isolate map file "%s": %s' % (isolate_map, e)) + return isolate_maps def ConfigFromArgs(self): if self.args.config: @@ -747,9 +635,6 @@ class MetaBuildWrapper(object): 'args_file': '', 'cros_passthrough': False, 'gn_args': '', - 'gyp_defines': '', - 'gyp_crosscompile': False, - 'type': 'gn', } def FlattenMixins(self, mixins, vals, visited): @@ -773,50 +658,11 @@ class MetaBuildWrapper(object): vals['gn_args'] += ' ' + mixin_vals['gn_args'] else: vals['gn_args'] = mixin_vals['gn_args'] - if 'gyp_crosscompile' in mixin_vals: - vals['gyp_crosscompile'] = mixin_vals['gyp_crosscompile'] - if 'gyp_defines' in mixin_vals: - if vals['gyp_defines']: - vals['gyp_defines'] += ' ' + mixin_vals['gyp_defines'] - else: - vals['gyp_defines'] = mixin_vals['gyp_defines'] - if 'type' in mixin_vals: - vals['type'] = mixin_vals['type'] if 'mixins' in mixin_vals: self.FlattenMixins(mixin_vals['mixins'], vals, visited) return vals - def ClobberIfNeeded(self, vals): - path = self.args.path[0] - build_dir = self.ToAbsPath(path) - mb_type_path = self.PathJoin(build_dir, 'mb_type') - needs_clobber = False - new_mb_type = vals['type'] - if self.Exists(build_dir): - if self.Exists(mb_type_path): - old_mb_type = self.ReadFile(mb_type_path) - if old_mb_type != new_mb_type: - self.Print("Build type mismatch: was %s, will be %s, clobbering %s" % - (old_mb_type, new_mb_type, path)) - needs_clobber = True - else: - # There is no 'mb_type' file in the build directory, so this probably - # means that the prior build(s) were not done through mb, and we - # have no idea if this was a GYP build or a GN build. Clobber it - # to be safe. - self.Print("%s/mb_type missing, clobbering to be safe" % path) - needs_clobber = True - - if self.args.dryrun: - return - - if needs_clobber: - self.RemoveDirectory(build_dir) - - self.MaybeMakeDirectory(build_dir) - self.WriteFile(mb_type_path, new_mb_type) - def RunGNGen(self, vals, compute_grit_inputs_for_analyze=False): build_dir = self.args.path[0] @@ -861,6 +707,7 @@ class MetaBuildWrapper(object): return ret android = 'target_os="android"' in vals['gn_args'] + fuchsia = 'target_os="fuchsia"' in vals['gn_args'] for target in swarming_targets: if android: # Android targets may be either android_apk or executable. The former @@ -870,6 +717,11 @@ class MetaBuildWrapper(object): runtime_deps_targets = [ target + '.runtime_deps', 'obj/%s.stamp.runtime_deps' % label.replace(':', '/')] + elif fuchsia: + # Only emit a runtime deps file for the group() target on Fuchsia. + label = isolate_map[target]['label'] + runtime_deps_targets = [ + 'obj/%s.stamp.runtime_deps' % label.replace(':', '/')] elif (isolate_map[target]['type'] == 'script' or isolate_map[target].get('label_type') == 'group'): # For script targets, the build target is usually a group, @@ -1023,38 +875,6 @@ class MetaBuildWrapper(object): gn_args = ('import("%s")\n' % vals['args_file']) + gn_args return gn_args - def RunGYPGen(self, vals): - path = self.args.path[0] - - output_dir = self.ParseGYPConfigPath(path) - cmd, env = self.GYPCmd(output_dir, vals) - ret, _, _ = self.Run(cmd, env=env) - return ret - - def RunGYPAnalyze(self, vals): - output_dir = self.ParseGYPConfigPath(self.args.path[0]) - if self.args.verbose: - inp = self.ReadInputJSON(['files', 'test_targets', - 'additional_compile_targets']) - self.Print() - self.Print('analyze input:') - self.PrintJSON(inp) - self.Print() - - cmd, env = self.GYPCmd(output_dir, vals) - cmd.extend(['-f', 'analyzer', - '-G', 'config_path=%s' % self.args.input_path[0], - '-G', 'analyzer_output_path=%s' % self.args.output_path[0]]) - ret, _, _ = self.Run(cmd, env=env) - if not ret and self.args.verbose: - outp = json.loads(self.ReadFile(self.args.output_path[0])) - self.Print() - self.Print('analyze output:') - self.PrintJSON(outp) - self.Print() - - return ret - def ToAbsPath(self, build_path, *comps): return self.PathJoin(self.chromium_src_dir, self.ToSrcRelPath(build_path), @@ -1066,86 +886,6 @@ class MetaBuildWrapper(object): return path[2:].replace('/', self.sep) return self.RelPath(path, self.chromium_src_dir) - def ParseGYPConfigPath(self, path): - rpath = self.ToSrcRelPath(path) - output_dir, _, _ = rpath.rpartition(self.sep) - return output_dir - - def GYPCmd(self, output_dir, vals): - if vals['cros_passthrough']: - if not 'GYP_DEFINES' in os.environ: - raise MBErr('MB is expecting GYP_DEFINES to be in the environment') - gyp_defines = os.environ['GYP_DEFINES'] - if not 'chromeos=1' in gyp_defines: - raise MBErr('GYP_DEFINES is missing chromeos=1: (GYP_DEFINES=%s)' % - gyp_defines) - else: - gyp_defines = vals['gyp_defines'] - - goma_dir = self.args.goma_dir - - # GYP uses shlex.split() to split the gyp defines into separate arguments, - # so we can support backslashes and and spaces in arguments by quoting - # them, even on Windows, where this normally wouldn't work. - if goma_dir and ('\\' in goma_dir or ' ' in goma_dir): - goma_dir = "'%s'" % goma_dir - - if goma_dir: - gyp_defines += ' gomadir=%s' % goma_dir - - android_version_code = self.args.android_version_code - if android_version_code: - gyp_defines += ' app_manifest_version_code=%s' % android_version_code - - android_version_name = self.args.android_version_name - if android_version_name: - gyp_defines += ' app_manifest_version_name=%s' % android_version_name - - cmd = [ - self.executable, - self.args.gyp_script, - '-G', - 'output_dir=' + output_dir, - ] - - # Ensure that we have an environment that only contains - # the exact values of the GYP variables we need. - env = os.environ.copy() - - # This is a terrible hack to work around the fact that - # //tools/clang/scripts/update.py is invoked by GYP and GN but - # currently relies on an environment variable to figure out - # what revision to embed in the command line #defines. - # For GN, we've made this work via a gn arg that will cause update.py - # to get an additional command line arg, but getting that to work - # via GYP_DEFINES has proven difficult, so we rewrite the GYP_DEFINES - # to get rid of the arg and add the old var in, instead. - # See crbug.com/582737 for more on this. This can hopefully all - # go away with GYP. - m = re.search('llvm_force_head_revision=1\s*', gyp_defines) - if m: - env['LLVM_FORCE_HEAD_REVISION'] = '1' - gyp_defines = gyp_defines.replace(m.group(0), '') - - # This is another terrible hack to work around the fact that - # GYP sets the link concurrency to use via the GYP_LINK_CONCURRENCY - # environment variable, and not via a proper GYP_DEFINE. See - # crbug.com/611491 for more on this. - m = re.search('gyp_link_concurrency=(\d+)(\s*)', gyp_defines) - if m: - env['GYP_LINK_CONCURRENCY'] = m.group(1) - gyp_defines = gyp_defines.replace(m.group(0), '') - - env['GYP_GENERATORS'] = 'ninja' - if 'GYP_CHROMIUM_NO_ACTION' in env: - del env['GYP_CHROMIUM_NO_ACTION'] - if 'GYP_CROSSCOMPILE' in env: - del env['GYP_CROSSCOMPILE'] - env['GYP_DEFINES'] = gyp_defines - if vals['gyp_crosscompile']: - env['GYP_CROSSCOMPILE'] = '1' - return cmd, env - def RunGNAnalyze(self, vals): # Analyze runs before 'gn gen' now, so we need to run gn gen # in order to ensure that we have a build directory. @@ -1347,9 +1087,6 @@ class MetaBuildWrapper(object): if env and var in env: self.Print('%s%s=%s' % (env_prefix, var, env_quoter(env[var]))) - print_env('GYP_CROSSCOMPILE') - print_env('GYP_DEFINES') - print_env('GYP_LINK_CONCURRENCY') print_env('LLVM_FORCE_HEAD_REVISION') if cmd[0] == self.executable: @@ -1486,7 +1223,6 @@ def QuoteForSet(arg): def QuoteForCmd(arg): # First, escape the arg so that CommandLineToArgvW will parse it properly. - # From //tools/gyp/pylib/gyp/msvs_emulation.py:23. if arg == '' or ' ' in arg or '"' in arg: quote_re = re.compile(r'(\\*)"') arg = '"%s"' % (quote_re.sub(lambda mo: 2 * mo.group(1) + '\\"', arg)) |