27 sys.path.append(os.path.join(os.path.dirname(__file__), os.pardir, os.pardir))
37     os.path.abspath(
38         os.path.join(os.path.dirname(__file__), os.pardir, os.pardir,
62     if os.path.exists(dir_path):
66 def touch(path, fail_if_missing=False):  argument
67     if fail_if_missing and not os.path.exists(path):
68         raise Exception(path + ' doesn\'t exist.')
70     make_directory(os.path.dirname(path))
71     with open(path, 'a'):
72         os.utime(path, None)
79         files.extend((os.path.join(root, f) for f in matched_files))
83 def read_build_vars(path):  argument
85     with open(path) as f:
124 def write_json(obj, path, only_if_changed=False):  argument
126     if os.path.exists(path):
127         with open(path, 'r') as oldfile:
136         with open(path, 'w') as outfile:
141 def atomic_output(path, only_if_changed=True):  argument
159     with tempfile.NamedTemporaryFile(suffix=os.path.basename(path),
160                                      dir=os.path.dirname(path),
169             if not (only_if_changed and os.path.exists(path)
170                     and filecmp.cmp(f.name, path)):
171                 shutil.move(f.name, path)
173             if os.path.exists(f.name):
193             os.path.abspath(self.cwd), ' '.join(map(pipes.quote, self.args)))
260 def get_modified_time(path):  argument
263     return max(os.lstat(path).st_mtime, os.stat(path).st_mtime)
267     if not os.path.exists(output):
278     if os.path.normpath(name) != name:
280     if os.path.isabs(name):
293                 path=None,
297     if path is None:
298         path = os.getcwd()
299     elif not os.path.exists(path):
300         make_directory(path)
309                 make_directory(os.path.join(path, name))
318                 output_path = os.path.join(path, name)
319                 if os.path.exists(output_path):
323                 dest = os.path.join(path, name)
324                 make_directory(os.path.dirname(dest))
328                 z.extract(name, path)
329                 extracted.append(os.path.join(path, name))
356     if src_path and os.path.islink(src_path):
407             tup = (os.path.relpath(tup, base_dir), tup)
415                 zip_path = os.path.join(zip_prefix_path, zip_path)
428             inputs.append(os.path.join(root, f))
438 def matches_glob(path, filters):  argument
440     return filters and any(fnmatch.fnmatch(path, f) for f in filters)
552     abs_module_paths = list(map(os.path.abspath, module_paths))
554     assert os.path.isabs(DIR_SOURCE_ROOT)
567         map(os.path.relpath, non_system_module_paths))
602     make_directory(os.path.dirname(depfile_path))
731         result.extend([os.path.join(root, f) for f in files])
738         return os.path.relpath(os.path.join(current_base, input), new_base)
740         return os.path.realpath(os.path.join(current_base, input))