funcs.py 文件源码

def print_tb(func):
    """
    This function is used as a decorate on a function to have the calling stack
    printed whenever that function is entered.

    This can be used like so:

    .. code-block:: python

       @print_tb
       def some_deeply_nested_function(...):

    """
    @wraps(func)
    def run_func(*args, **kwargs):
        traceback.print_stack()
        return func(*args, **kwargs)
    return run_func