def copy(self, block=None, inf=sys.stdin):
        "Entry point: copy-with-processing a file, or a block of lines"
        if block is None: block = inf.readlines()
        self.locals['_bl'] = block
        self.copyblock()
Entry point: copy-with-processing a file, or a block of lines
recipes/Python/52305_Yet_Another_PythTemplating_Utility/recipe-52305.py