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# encoding:utf-8
"""
wechat channel
"""
import itchat
import json
from itchat.content import *
from channel.channel import Channel
from concurrent.futures import ThreadPoolExecutor
from common.log import logger
from config import conf
import requests
import io
thread_pool = ThreadPoolExecutor(max_workers=8)
class WechatChannel(Channel):
qrcode = b''
newInstance=None
def __init__(self):
pass
def startup(self):
# login by scan QRCode
newInstance = itchat.load_sync_itchat()
self.newInstance = newInstance
@newInstance.msg_register(TEXT)
def handler_single_msg(msg):
self.handle(msg)
return None
@newInstance.msg_register(TEXT, isGroupChat=True)
def handler_group_msg(msg):
self.handle_group(msg)
return None
newInstance.auto_login(qrCallback=self.qrCallback)
# start message listener
newInstance.run()
def qrCallback(self, uuid, status, qrcode):
self.qrcode = qrcode
def getQrCode(self):
return self.qrcode
def handle(self, msg):
logger.debug("[WX]receive msg: " + json.dumps(msg, ensure_ascii=False))
from_user_id = msg['FromUserName']
to_user_id = msg['ToUserName'] # 接收人id
other_user_id = msg['User']['UserName'] # 对手方id
content = msg['Text']
match_prefix = self.check_prefix(content, conf().get('single_chat_prefix'))
if from_user_id == other_user_id and match_prefix is not None:
# 好友向自己发送消息
if match_prefix != '':
str_list = content.split(match_prefix, 1)
if len(str_list) == 2:
content = str_list[1].strip()
img_match_prefix = self.check_prefix(content, conf().get('image_create_prefix'))
if img_match_prefix:
content = content.split(img_match_prefix, 1)[1].strip()
thread_pool.submit(self._do_send_img, content, from_user_id)
else:
thread_pool.submit(self._do_send, content, from_user_id)
elif to_user_id == other_user_id and match_prefix:
# 自己给好友发送消息
str_list = content.split(match_prefix, 1)
if len(str_list) == 2:
content = str_list[1].strip()
img_match_prefix = self.check_prefix(content, conf().get('image_create_prefix'))
if img_match_prefix:
content = content.split(img_match_prefix, 1)[1].strip()
thread_pool.submit(self._do_send_img, content, to_user_id)
else:
thread_pool.submit(self._do_send, content, to_user_id)
def handle_group(self, msg):
logger.debug("[WX]receive group msg: " + json.dumps(msg, ensure_ascii=False))
group_name = msg['User'].get('NickName', None)
group_id = msg['User'].get('UserName', None)
if not group_name:
return ""
origin_content = msg['Content']
content = msg['Content']
content_list = content.split(' ', 1)
context_special_list = content.split('\u2005', 1)
if len(context_special_list) == 2:
content = context_special_list[1]
elif len(content_list) == 2:
content = content_list[1]
config = conf()
match_prefix = (msg['IsAt'] and not config.get("group_at_off", False)) or self.check_prefix(origin_content, config.get('group_chat_prefix')) \
or self.check_contain(origin_content, config.get('group_chat_keyword'))
if ('ALL_GROUP' in config.get('group_name_white_list') or group_name in config.get('group_name_white_list') or self.check_contain(group_name, config.get('group_name_keyword_white_list'))) and match_prefix:
img_match_prefix = self.check_prefix(content, conf().get('image_create_prefix'))
if img_match_prefix:
content = content.split(img_match_prefix, 1)[1].strip()
thread_pool.submit(self._do_send_img, content, group_id)
else:
thread_pool.submit(self._do_send_group, content, msg)
def send(self, msg, receiver):
logger.info('[WX] sendMsg={}, receiver={}'.format(msg, receiver))
self.newInstance.send(msg, toUserName=receiver)
def _do_send(self, query, reply_user_id):
try:
if not query:
return
context = dict()
context['from_user_id'] = reply_user_id
reply_text = super().build_reply_content(query, context)
if reply_text:
self.send(conf().get("single_chat_reply_prefix") + reply_text, reply_user_id)
except Exception as e:
logger.exception(e)
def _do_send_img(self, query, reply_user_id):
try:
if not query:
return
context = dict()
context['type'] = 'IMAGE_CREATE'
img_url = super().build_reply_content(query, context)
if not img_url:
return
# 图片下载
pic_res = requests.get(img_url, stream=True)
image_storage = io.BytesIO()
for block in pic_res.iter_content(1024):
image_storage.write(block)
image_storage.seek(0)
# 图片发送
logger.info('[WX] sendImage, receiver={}'.format(reply_user_id))
self.newInstance.send_image(image_storage, reply_user_id)
except Exception as e:
logger.exception(e)
def _do_send_group(self, query, msg):
if not query:
return
context = dict()
context['from_user_id'] = msg['ActualUserName']
reply_text = super().build_reply_content(query, context)
if reply_text:
reply_text = '@' + msg['ActualNickName'] + ' ' + reply_text.strip()
self.send(conf().get("group_chat_reply_prefix", "") + reply_text, msg['User']['UserName'])
def check_prefix(self, content, prefix_list):
for prefix in prefix_list:
if content.startswith(prefix):
return prefix
return None
def check_contain(self, content, keyword_list):
if not keyword_list:
return None
for ky in keyword_list:
if content.find(ky) != -1:
return True
return None
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