misc_util.py 文件源码

def make_hg_version_py(self, delete=True):
        """Appends a data function to the data_files list that will generate
        __hg_version__.py file to the current package directory.

        Generate package __hg_version__.py file from Mercurial revision,
        it will be removed after python exits but will be available
        when sdist, etc commands are executed.

        Notes
        -----
        If __hg_version__.py existed before, nothing is done.

        This is intended for working with source directories that are
        in an Mercurial repository.
        """
        target = njoin(self.local_path, '__hg_version__.py')
        revision = self._get_hg_revision(self.local_path)
        if os.path.isfile(target) or revision is None:
            return
        else:
            def generate_hg_version_py():
                if not os.path.isfile(target):
                    version = str(revision)
                    self.info('Creating %s (version=%r)' % (target, version))
                    f = open(target, 'w')
                    f.write('version = %r\n' % (version))
                    f.close()

                import atexit
                def rm_file(f=target,p=self.info):
                    if delete:
                        try: os.remove(f); p('removed '+f)
                        except OSError: pass
                        try: os.remove(f+'c'); p('removed '+f+'c')
                        except OSError: pass

                atexit.register(rm_file)

                return target

            self.add_data_files(('', generate_hg_version_py()))