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https://github.com/zhayujie/chatgpt-on-wechat.git
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247 lines
11 KiB
Python
247 lines
11 KiB
Python
# encoding:utf-8
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"""
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wechat channel
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"""
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import itchat
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import json
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from itchat.content import *
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from channel.channel import Channel
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from concurrent.futures import ThreadPoolExecutor
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from common.log import logger
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from common.tmp_dir import TmpDir
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from config import conf
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from plugins import *
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import requests
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import io
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thread_pool = ThreadPoolExecutor(max_workers=8)
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def thread_pool_callback(worker):
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worker_exception = worker.exception()
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if worker_exception:
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logger.exception("Worker return exception: {}".format(worker_exception))
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@itchat.msg_register(TEXT)
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def handler_single_msg(msg):
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WechatChannel().handle_text(msg)
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return None
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@itchat.msg_register(TEXT, isGroupChat=True)
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def handler_group_msg(msg):
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WechatChannel().handle_group(msg)
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return None
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@itchat.msg_register(VOICE)
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def handler_single_voice(msg):
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WechatChannel().handle_voice(msg)
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return None
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class WechatChannel(Channel):
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def __init__(self):
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pass
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def startup(self):
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# login by scan QRCode
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itchat.auto_login(enableCmdQR=2)
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# start message listener
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itchat.run()
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# handle_* 系列函数处理收到的消息后构造context，然后调用handle函数处理context
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# context是一个字典，包含了消息的所有信息，包括以下key
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# type: 消息类型，包括TEXT、VOICE、IMAGE_CREATE
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# content: 消息内容，如果是TEXT类型，content就是文本内容，如果是VOICE类型，content就是语音文件名，如果是IMAGE_CREATE类型，content就是图片生成命令
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# session_id: 会话id
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# isgroup: 是否是群聊
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# msg: 原始消息对象
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# receiver: 需要回复的对象
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def handle_voice(self, msg):
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if conf().get('speech_recognition') != True:
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return
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logger.debug("[WX]receive voice msg: " + msg['FileName'])
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from_user_id = msg['FromUserName']
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other_user_id = msg['User']['UserName']
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if from_user_id == other_user_id:
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context = {'isgroup': False, 'msg': msg, 'receiver': other_user_id}
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context['type'] = 'VOICE'
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context['content'] = msg['FileName']
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context['session_id'] = other_user_id
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thread_pool.submit(self.handle, context).add_done_callback(thread_pool_callback)
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def handle_text(self, msg):
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logger.debug("[WX]receive text msg: " + json.dumps(msg, ensure_ascii=False))
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content = msg['Text']
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from_user_id = msg['FromUserName']
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to_user_id = msg['ToUserName'] # 接收人id
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other_user_id = msg['User']['UserName'] # 对手方id
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match_prefix = check_prefix(content, conf().get('single_chat_prefix'))
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if "」\n- - - - - - - - - - - - - - -" in content:
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logger.debug("[WX]reference query skipped")
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return
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if match_prefix:
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content = content.replace(match_prefix, '', 1).strip()
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else:
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return
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context = {'isgroup': False, 'msg': msg, 'receiver': other_user_id}
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context['session_id'] = other_user_id
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img_match_prefix = check_prefix(content, conf().get('image_create_prefix'))
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if img_match_prefix:
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content = content.replace(img_match_prefix, '', 1).strip()
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context['type'] = 'IMAGE_CREATE'
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else:
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context['type'] = 'TEXT'
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context['content'] = content
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thread_pool.submit(self.handle, context).add_done_callback(thread_pool_callback)
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def handle_group(self, msg):
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logger.debug("[WX]receive group msg: " + json.dumps(msg, ensure_ascii=False))
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group_name = msg['User'].get('NickName', None)
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group_id = msg['User'].get('UserName', None)
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if not group_name:
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return ""
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origin_content = msg['Content']
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content = msg['Content']
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content_list = content.split(' ', 1)
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context_special_list = content.split('\u2005', 1)
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if len(context_special_list) == 2:
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content = context_special_list[1]
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elif len(content_list) == 2:
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content = content_list[1]
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if "」\n- - - - - - - - - - - - - - -" in content:
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logger.debug("[WX]reference query skipped")
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return ""
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config = conf()
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match_prefix = (msg['IsAt'] and not config.get("group_at_off", False)) or check_prefix(origin_content, config.get('group_chat_prefix')) \
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or check_contain(origin_content, config.get('group_chat_keyword'))
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if ('ALL_GROUP' in config.get('group_name_white_list') or group_name in config.get('group_name_white_list') or check_contain(group_name, config.get('group_name_keyword_white_list'))) and match_prefix:
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context = { 'isgroup': True, 'msg': msg, 'receiver': group_id}
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img_match_prefix = check_prefix(content, conf().get('image_create_prefix'))
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if img_match_prefix:
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content = content.replace(img_match_prefix, '', 1).strip()
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context['type'] = 'IMAGE_CREATE'
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else:
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context['type'] = 'TEXT'
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context['content'] = content
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group_chat_in_one_session = conf().get('group_chat_in_one_session', [])
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if ('ALL_GROUP' in group_chat_in_one_session or
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group_name in group_chat_in_one_session or
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check_contain(group_name, group_chat_in_one_session)):
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context['session_id'] = group_id
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else:
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context['session_id'] = msg['ActualUserName']
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thread_pool.submit(self.handle, context).add_done_callback(thread_pool_callback)
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# 统一的发送函数，每个Channel自行实现，根据reply的type字段发送不同类型的消息
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def send(self, reply, receiver):
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if reply['type'] == 'TEXT':
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itchat.send(reply['content'], toUserName=receiver)
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logger.info('[WX] sendMsg={}, receiver={}'.format(reply, receiver))
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elif reply['type'] == 'ERROR' or reply['type'] == 'INFO':
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itchat.send(reply['content'], toUserName=receiver)
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logger.info('[WX] sendMsg={}, receiver={}'.format(reply, receiver))
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elif reply['type'] == 'VOICE':
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itchat.send_file(reply['content'], toUserName=receiver)
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logger.info('[WX] sendFile={}, receiver={}'.format(reply['content'], receiver))
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elif reply['type']=='IMAGE_URL': # 从网络下载图片
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img_url = reply['content']
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pic_res = requests.get(img_url, stream=True)
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image_storage = io.BytesIO()
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for block in pic_res.iter_content(1024):
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image_storage.write(block)
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image_storage.seek(0)
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itchat.send_image(image_storage, toUserName=receiver)
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logger.info('[WX] sendImage url=, receiver={}'.format(img_url,receiver))
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elif reply['type']=='IMAGE': # 从文件读取图片
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image_storage = reply['content']
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image_storage.seek(0)
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itchat.send_image(image_storage, toUserName=receiver)
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logger.info('[WX] sendImage, receiver={}'.format(receiver))
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# 处理消息 TODO: 如果wechaty解耦，此处逻辑可以放置到父类
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def handle(self, context):
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reply = {}
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logger.debug('[WX] ready to handle context: {}'.format(context))
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# reply的构建步骤
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e_context = PluginManager().emit_event(EventContext(Event.ON_HANDLE_CONTEXT, {'channel' : self, 'context': context, 'reply': reply}))
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reply=e_context['reply']
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if not e_context.is_pass():
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logger.debug('[WX] ready to handle context: type={}, content={}'.format(context['type'], context['content']))
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if context['type'] == 'TEXT' or context['type'] == 'IMAGE_CREATE':
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reply = super().build_reply_content(context['content'], context)
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elif context['type'] == 'VOICE':
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msg = context['msg']
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file_name = TmpDir().path() + context['content']
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msg.download(file_name)
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reply = super().build_voice_to_text(file_name)
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if reply['type'] != 'ERROR' and reply['type'] != 'INFO':
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context['content'] = reply['content'] # 语音转文字后，将文字内容作为新的context
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context['type'] = reply['type']
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reply = super().build_reply_content(context['content'], context)
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if reply['type'] == 'TEXT':
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if conf().get('voice_reply_voice'):
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reply = super().build_text_to_voice(reply['content'])
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else:
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logger.error('[WX] unknown context type: {}'.format(context['type']))
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return
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logger.debug('[WX] ready to decorate reply: {}'.format(reply))
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# reply的包装步骤
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if reply and reply['type']:
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e_context = PluginManager().emit_event(EventContext(Event.ON_DECORATE_REPLY, {'channel' : self, 'context': context, 'reply': reply}))
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reply=e_context['reply']
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if not e_context.is_pass() and reply and reply['type']:
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if reply['type'] == 'TEXT':
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reply_text = reply['content']
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if context['isgroup']:
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reply_text = '@' + context['msg']['ActualNickName'] + ' ' + reply_text.strip()
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reply_text = conf().get("group_chat_reply_prefix", "")+reply_text
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else:
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reply_text = conf().get("single_chat_reply_prefix", "")+reply_text
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reply['content'] = reply_text
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elif reply['type'] == 'ERROR' or reply['type'] == 'INFO':
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reply['content'] = reply['type']+":\n" + reply['content']
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elif reply['type'] == 'IMAGE_URL' or reply['type'] == 'VOICE' or reply['type'] == 'IMAGE':
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pass
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else:
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logger.error('[WX] unknown reply type: {}'.format(reply['type']))
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return
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# reply的发送步骤
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if reply and reply['type']:
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e_context = PluginManager().emit_event(EventContext(Event.ON_SEND_REPLY, {'channel' : self, 'context': context, 'reply': reply}))
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reply=e_context['reply']
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if not e_context.is_pass() and reply and reply['type']:
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logger.debug('[WX] ready to send reply: {} to {}'.format(reply, context['receiver']))
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self.send(reply, context['receiver'])
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def check_prefix(content, prefix_list):
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for prefix in prefix_list:
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if content.startswith(prefix):
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return prefix
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return None
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def check_contain(content, keyword_list):
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if not keyword_list:
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return None
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for ky in keyword_list:
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if content.find(ky) != -1:
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return True
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return None
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