Returns / /(Release|Debug| ). The configuration chosen is the one most recently generated/built, but can be overriden via the parameter. Detects a custom output_dir specified by GYP_GENERATOR_FLAGS.
(v8_root, configuration=None)
| 15 | |
| 16 | |
| 17 | def GetNinjaOutputDirectory(v8_root, configuration=None): |
| 18 | """Returns <v8_root>/<output_dir>/(Release|Debug|<other>). |
| 19 | |
| 20 | The configuration chosen is the one most recently generated/built, but can be |
| 21 | overriden via the <configuration> parameter. Detects a custom output_dir |
| 22 | specified by GYP_GENERATOR_FLAGS.""" |
| 23 | |
| 24 | output_dirs = [] |
| 25 | |
| 26 | generator_flags = os.getenv('GYP_GENERATOR_FLAGS', '').split(' ') |
| 27 | for flag in generator_flags: |
| 28 | name_value = flag.split('=', 1) |
| 29 | if (len(name_value) == 2 and name_value[0] == 'output_dir' and |
| 30 | os.path.isdir(os.path.join(v8_root, name_value[1]))): |
| 31 | output_dirs = [name_value[1]] |
| 32 | |
| 33 | if configuration: |
| 34 | output_dir = 'out' if len(output_dirs) == 0 else output_dirs[-1] |
| 35 | return os.path.join(os.path.join(v8_root, output_dir), configuration) |
| 36 | |
| 37 | if not output_dirs: |
| 38 | for f in os.listdir(v8_root): |
| 39 | if re.match(r'out(\b|_)', f): |
| 40 | if os.path.isdir(os.path.join(v8_root, f)): |
| 41 | output_dirs.append(f) |
| 42 | |
| 43 | def generate_paths(): |
| 44 | for out_dir in output_dirs: |
| 45 | out_path = os.path.join(v8_root, out_dir) |
| 46 | for config in os.listdir(out_path): |
| 47 | path = os.path.join(out_path, config) |
| 48 | if os.path.exists(os.path.join(path, 'build.ninja')): |
| 49 | yield path |
| 50 | |
| 51 | def approx_directory_mtime(path): |
| 52 | # This is a heuristic; don't recurse into subdirectories. |
| 53 | paths = [path] + [os.path.join(path, f) for f in os.listdir(path)] |
| 54 | return max(filter(None, [safe_mtime(p) for p in paths])) |
| 55 | |
| 56 | def safe_mtime(path): |
| 57 | try: |
| 58 | return os.path.getmtime(path) |
| 59 | except OSError: |
| 60 | return None |
| 61 | |
| 62 | try: |
| 63 | return max(generate_paths(), key=approx_directory_mtime) |
| 64 | except ValueError: |
| 65 | raise RuntimeError('Unable to find a valid ninja output directory.') |
| 66 | |
| 67 | |
| 68 | if __name__ == '__main__': |