gctools.py 文件源码

def _format(self, obj, descend=True):
        """Return a string representation of a single object."""
        if inspect.isframe(obj):
            filename, lineno, func, context, index = inspect.getframeinfo(obj)
            return "<frame of function '%s'>" % func

        if not descend:
            return self.peek(repr(obj))

        if isinstance(obj, dict):
            return '{' + ', '.join(['%s: %s' % (self._format(k, descend=False),
                                                self._format(v, descend=False))
                                    for k, v in obj.items()]) + '}'
        elif isinstance(obj, list):
            return '[' + ', '.join([self._format(item, descend=False)
                                    for item in obj]) + ']'
        elif isinstance(obj, tuple):
            return '(' + ', '.join([self._format(item, descend=False)
                                    for item in obj]) + ')'

        r = self.peek(repr(obj))
        if isinstance(obj, (str, int, float)):
            return r
        return '%s: %s' % (type(obj), r)