| """distutils.dep_util |
| |
| Utility functions for simple, timestamp-based dependency of files |
| and groups of files; also, function based entirely on such |
| timestamp dependency analysis.""" |
| |
| import os |
| from distutils.errors import DistutilsFileError |
| |
| |
| def newer (source, target): |
| """Return true if 'source' exists and is more recently modified than |
| 'target', or if 'source' exists and 'target' doesn't. Return false if |
| both exist and 'target' is the same age or younger than 'source'. |
| Raise DistutilsFileError if 'source' does not exist. |
| """ |
| if not os.path.exists(source): |
| raise DistutilsFileError("file '%s' does not exist" % |
| os.path.abspath(source)) |
| if not os.path.exists(target): |
| return 1 |
| |
| from stat import ST_MTIME |
| mtime1 = os.stat(source)[ST_MTIME] |
| mtime2 = os.stat(target)[ST_MTIME] |
| |
| return mtime1 > mtime2 |
| |
| # newer () |
