debug.py 文件源码

def _lazy_colorama_init():
            """
            Lazily init colorama if necessary, not to screw up stdout is
            debug not enabled.

            This version of the function does init colorama.
            """
            global _inited
            if not _inited:
                # pytest resets the stream at the end - causes troubles. Since
                # after every output the stream is reset automatically we don't
                # need this.
                initialise.atexit_done = True
                try:
                    init()
                except Exception:
                    # Colorama fails with initializing under vim and is buggy in
                    # version 0.3.6.
                    pass
            _inited = True