interactiveshell.py 文件源码

def init_io(self):
        if sys.platform not in {'win32', 'cli'}:
            return

        self.enable_win_unicode_console()

        import colorama
        colorama.init()

        # For some reason we make these wrappers around stdout/stderr.
        # For now, we need to reset them so all output gets coloured.
        # https://github.com/ipython/ipython/issues/8669
        # io.std* are deprecated, but don't show our own deprecation warnings
        # during initialization of the deprecated API.
        with warnings.catch_warnings():
            warnings.simplefilter('ignore', DeprecationWarning)
            io.stdout = io.IOStream(sys.stdout)
            io.stderr = io.IOStream(sys.stderr)