Return whether the handler wants to process the given request.
        Implements an `IRequestHandler` API.

def match_request(self, req):
        """
        Return whether the handler wants to process the given request.
        Implements an `IRequestHandler` API.
        """
        match = self._request_re.match(req.path_info)
        if match:
            return True
        if os.environ.get('TRAC_GITHUB_ENABLE_DEBUGGING', None) is not None:
            debug_match = self._debug_request_re.match(req.path_info)
            if debug_match:
                return True