doctests.py 文件源码

def wantFile(self, file):
        """Override to select all modules and any file ending with
        configured doctest extension.
        """
        # always want .py files
        if file.endswith('.py'):
            return True
        # also want files that match my extension
        if (self.extension
            and anyp(file.endswith, self.extension)
            and (not self.conf.exclude
                 or not filter(None, 
                               [exc.search(file)
                                for exc in self.conf.exclude]))):
            return True
        return None