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add default protocol_version #677
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,102 +1,103 @@ | ||
| # Copyright (c) Microsoft Corporation. | ||
| # Licensed under the MIT License. | ||
|
|
||
|
|
||
| from __future__ import division | ||
| from __future__ import print_function | ||
|
|
||
| import socketio | ||
|
|
||
| import qlib | ||
| from ..log import get_module_logger | ||
| import pickle | ||
|
|
||
|
|
||
| class Client: | ||
| """A client class | ||
|
|
||
| Provide the connection tool functions for ClientProvider. | ||
| """ | ||
|
|
||
| def __init__(self, host, port): | ||
| super(Client, self).__init__() | ||
| self.sio = socketio.Client() | ||
| self.server_host = host | ||
| self.server_port = port | ||
| self.logger = get_module_logger(self.__class__.__name__) | ||
| # bind connect/disconnect callbacks | ||
| self.sio.on( | ||
| "connect", | ||
| lambda: self.logger.debug("Connect to server {}".format(self.sio.connection_url)), | ||
| ) | ||
| self.sio.on("disconnect", lambda: self.logger.debug("Disconnect from server!")) | ||
|
|
||
| def connect_server(self): | ||
| """Connect to server.""" | ||
| try: | ||
| self.sio.connect("ws://" + self.server_host + ":" + str(self.server_port)) | ||
| except socketio.exceptions.ConnectionError: | ||
| self.logger.error("Cannot connect to server - check your network or server status") | ||
|
|
||
| def disconnect(self): | ||
| """Disconnect from server.""" | ||
| try: | ||
| self.sio.eio.disconnect(True) | ||
| except Exception as e: | ||
| self.logger.error("Cannot disconnect from server : %s" % e) | ||
|
|
||
| def send_request(self, request_type, request_content, msg_queue, msg_proc_func=None): | ||
| """Send a certain request to server. | ||
|
|
||
| Parameters | ||
| ---------- | ||
| request_type : str | ||
| type of proposed request, 'calendar'/'instrument'/'feature'. | ||
| request_content : dict | ||
| records the information of the request. | ||
| msg_proc_func : func | ||
| the function to process the message when receiving response, should have arg `*args`. | ||
| msg_queue: Queue | ||
| The queue to pass the messsage after callback. | ||
| """ | ||
| head_info = {"version": qlib.__version__} | ||
|
|
||
| def request_callback(*args): | ||
| """callback_wrapper | ||
|
|
||
| :param *args: args[0] is the response content | ||
| """ | ||
| # args[0] is the response content | ||
| self.logger.debug("receive data and enter queue") | ||
| msg = dict(args[0]) | ||
| if msg["detailed_info"] is not None: | ||
| if msg["status"] != 0: | ||
| self.logger.error(msg["detailed_info"]) | ||
| else: | ||
| self.logger.info(msg["detailed_info"]) | ||
| if msg["status"] != 0: | ||
| ex = ValueError(f"Bad response(status=={msg['status']}), detailed info: {msg['detailed_info']}") | ||
| msg_queue.put(ex) | ||
| else: | ||
| if msg_proc_func is not None: | ||
| try: | ||
| ret = msg_proc_func(msg["result"]) | ||
| except Exception as e: | ||
| self.logger.exception("Error when processing message.") | ||
| ret = e | ||
| else: | ||
| ret = msg["result"] | ||
| msg_queue.put(ret) | ||
| self.disconnect() | ||
| self.logger.debug("disconnected") | ||
|
|
||
| self.logger.debug("try connecting") | ||
| self.connect_server() | ||
| self.logger.debug("connected") | ||
| # The pickle is for passing some parameters with special type(such as | ||
| # pd.Timestamp) | ||
| request_content = {"head": head_info, "body": pickle.dumps(request_content)} | ||
| self.sio.on(request_type + "_response", request_callback) | ||
| self.logger.debug("try sending") | ||
| self.sio.emit(request_type + "_request", request_content) | ||
| self.sio.wait() | ||
| # Copyright (c) Microsoft Corporation. | ||
| # Licensed under the MIT License. | ||
|
|
||
|
|
||
| from __future__ import division | ||
| from __future__ import print_function | ||
|
|
||
| import socketio | ||
|
|
||
| import qlib | ||
| from ..config import C | ||
| from ..log import get_module_logger | ||
| import pickle | ||
|
|
||
|
|
||
| class Client: | ||
| """A client class | ||
|
|
||
| Provide the connection tool functions for ClientProvider. | ||
| """ | ||
|
|
||
| def __init__(self, host, port): | ||
| super(Client, self).__init__() | ||
| self.sio = socketio.Client() | ||
| self.server_host = host | ||
| self.server_port = port | ||
| self.logger = get_module_logger(self.__class__.__name__) | ||
| # bind connect/disconnect callbacks | ||
| self.sio.on( | ||
| "connect", | ||
| lambda: self.logger.debug("Connect to server {}".format(self.sio.connection_url)), | ||
| ) | ||
| self.sio.on("disconnect", lambda: self.logger.debug("Disconnect from server!")) | ||
|
|
||
| def connect_server(self): | ||
| """Connect to server.""" | ||
| try: | ||
| self.sio.connect("ws://" + self.server_host + ":" + str(self.server_port)) | ||
| except socketio.exceptions.ConnectionError: | ||
| self.logger.error("Cannot connect to server - check your network or server status") | ||
|
|
||
| def disconnect(self): | ||
| """Disconnect from server.""" | ||
| try: | ||
| self.sio.eio.disconnect(True) | ||
| except Exception as e: | ||
| self.logger.error("Cannot disconnect from server : %s" % e) | ||
|
|
||
| def send_request(self, request_type, request_content, msg_queue, msg_proc_func=None): | ||
| """Send a certain request to server. | ||
|
|
||
| Parameters | ||
| ---------- | ||
| request_type : str | ||
| type of proposed request, 'calendar'/'instrument'/'feature'. | ||
| request_content : dict | ||
| records the information of the request. | ||
| msg_proc_func : func | ||
| the function to process the message when receiving response, should have arg `*args`. | ||
| msg_queue: Queue | ||
| The queue to pass the messsage after callback. | ||
| """ | ||
| head_info = {"version": qlib.__version__} | ||
|
|
||
| def request_callback(*args): | ||
| """callback_wrapper | ||
|
|
||
| :param *args: args[0] is the response content | ||
| """ | ||
| # args[0] is the response content | ||
| self.logger.debug("receive data and enter queue") | ||
| msg = dict(args[0]) | ||
| if msg["detailed_info"] is not None: | ||
| if msg["status"] != 0: | ||
| self.logger.error(msg["detailed_info"]) | ||
| else: | ||
| self.logger.info(msg["detailed_info"]) | ||
| if msg["status"] != 0: | ||
| ex = ValueError(f"Bad response(status=={msg['status']}), detailed info: {msg['detailed_info']}") | ||
| msg_queue.put(ex) | ||
| else: | ||
| if msg_proc_func is not None: | ||
| try: | ||
| ret = msg_proc_func(msg["result"]) | ||
| except Exception as e: | ||
| self.logger.exception("Error when processing message.") | ||
| ret = e | ||
| else: | ||
| ret = msg["result"] | ||
| msg_queue.put(ret) | ||
| self.disconnect() | ||
| self.logger.debug("disconnected") | ||
|
|
||
| self.logger.debug("try connecting") | ||
| self.connect_server() | ||
| self.logger.debug("connected") | ||
| # The pickle is for passing some parameters with special type(such as | ||
| # pd.Timestamp) | ||
| request_content = {"head": head_info, "body": pickle.dumps(request_content, protocol=C.dump_protocol_version)} | ||
| self.sio.on(request_type + "_response", request_callback) | ||
| self.logger.debug("try sending") | ||
| self.sio.emit(request_type + "_request", request_content) | ||
| self.sio.wait() |
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The backend may not be a pickle.
Maybe you can add
Serializable.dump_kwargsfor dumping and encourage users to override it.