testlib.py 文件源码

def _iter_valid_frames(self, frames):
        """only consider non-testlib frames when formatting  traceback"""
        lgc_testlib = osp.abspath(__file__)
        std_testlib = osp.abspath(unittest.__file__)
        invalid = lambda fi: osp.abspath(fi[1]) in (lgc_testlib, std_testlib)
        for frameinfo in dropwhile(invalid, frames):
            yield frameinfo