handlers.py 文件源码

def _connect_unixsocket(self, address):
        use_socktype = self.socktype
        if use_socktype is None:
            use_socktype = socket.SOCK_DGRAM
        self.socket = socket.socket(socket.AF_UNIX, use_socktype)
        try:
            self.socket.connect(address)
            # it worked, so set self.socktype to the used type
            self.socktype = use_socktype
        except OSError:
            self.socket.close()
            if self.socktype is not None:
                # user didn't specify falling back, so fail
                raise
            use_socktype = socket.SOCK_STREAM
            self.socket = socket.socket(socket.AF_UNIX, use_socktype)
            try:
                self.socket.connect(address)
                # it worked, so set self.socktype to the used type
                self.socktype = use_socktype
            except OSError:
                self.socket.close()
                raise