pythonrc.py 文件源码

def init_pprint(self):
        """Activates pretty-printing of output values.
        """
        keys_re = re.compile(r'([\'\("]+(.*?[\'\)"]: ))+?')
        color_dict = partial(keys_re.sub, lambda m: purple(m.group()))
        format_func = pprint.pformat
        if sys.version_info.major >= 3 and sys.version_info.minor > 3:
            format_func = partial(pprint.pformat, compact=True)

        def pprint_callback(value):
            if value is not None:
                try:
                    rows, cols = os.get_teminal_size()
                except AttributeError:
                    try:
                        rows, cols = map(int, subprocess.check_output(['stty', 'size']).split())
                    except:
                        cols = 80
                builtins._ = value
                formatted = format_func(value, width=cols)
                print(color_dict(formatted) if issubclass(type(value), dict) else blue(formatted))

        sys.displayhook = pprint_callback