import time
import web
import channel.wechatmp.receive as receive
import channel.wechatmp.reply as reply
from bridge.context import *
from channel.wechatmp.common import *
from channel.wechatmp.wechatmp_channel import WechatMPChannel
from common.log import logger
from config import conf
# This class is instantiated once per query
class Query:
def GET(self):
return verify_server(web.input())
def POST(self):
# Make sure to return the instance that first created, @singleton will do that.
channel = WechatMPChannel()
try:
query_time = time.time()
webData = web.data()
logger.debug("[wechatmp] Receive request:\n" + webData.decode("utf-8"))
wechatmp_msg = receive.parse_xml(webData)
if wechatmp_msg.msg_type == "text" or wechatmp_msg.msg_type == "voice":
from_user = wechatmp_msg.from_user_id
to_user = wechatmp_msg.to_user_id
message = wechatmp_msg.content.decode("utf-8")
message_id = wechatmp_msg.msg_id
logger.info(
"[wechatmp] {}:{} Receive post query {} {}: {}".format(
web.ctx.env.get("REMOTE_ADDR"),
web.ctx.env.get("REMOTE_PORT"),
from_user,
message_id,
message,
)
)
supported = True
if "【收到不支持的消息类型，暂无法显示】" in message:
supported = False # not supported, used to refresh
cache_key = from_user
reply_text = ""
# New request
if (
cache_key not in channel.cache_dict
and cache_key not in channel.running
):
# The first query begin, reset the cache
context = channel._compose_context(
ContextType.TEXT, message, isgroup=False, msg=wechatmp_msg
)
logger.debug(
"[wechatmp] context: {} {}".format(context, wechatmp_msg)
)
if message_id in channel.received_msgs: # received and finished
# no return because of bandwords or other reasons
return "success"
if supported and context:
# set private openai_api_key
# if from_user is not changed in itchat, this can be placed at chat_channel
user_data = conf().get_user_data(from_user)
context["openai_api_key"] = user_data.get(
"openai_api_key"
) # None or user openai_api_key
channel.received_msgs[message_id] = wechatmp_msg
channel.running.add(cache_key)
channel.produce(context)
else:
trigger_prefix = conf().get("single_chat_prefix", [""])[0]
if trigger_prefix or not supported:
if trigger_prefix:
content = textwrap.dedent(
f"""\
请输入'{trigger_prefix}'接你想说的话跟我说话。
例如:
{trigger_prefix}你好，很高兴见到你。"""
)
else:
content = textwrap.dedent(
"""\
你好，很高兴见到你。
请跟我说话吧。"""
)
else:
logger.error(f"[wechatmp] unknown error")
content = textwrap.dedent(
"""\
未知错误，请稍后再试"""
)
replyMsg = reply.TextMsg(
wechatmp_msg.from_user_id, wechatmp_msg.to_user_id, content
)
return replyMsg.send()
channel.query1[cache_key] = False
channel.query2[cache_key] = False
channel.query3[cache_key] = False
# User request again, and the answer is not ready
elif (
cache_key in channel.running
and channel.query1.get(cache_key) == True
and channel.query2.get(cache_key) == True
and channel.query3.get(cache_key) == True
):
channel.query1[
cache_key
] = False # To improve waiting experience, this can be set to True.
channel.query2[
cache_key
] = False # To improve waiting experience, this can be set to True.
channel.query3[cache_key] = False
# User request again, and the answer is ready
elif cache_key in channel.cache_dict:
# Skip the waiting phase
channel.query1[cache_key] = True
channel.query2[cache_key] = True
channel.query3[cache_key] = True
assert not (
cache_key in channel.cache_dict and cache_key in channel.running
)
if channel.query1.get(cache_key) == False:
# The first query from wechat official server
logger.debug("[wechatmp] query1 {}".format(cache_key))
channel.query1[cache_key] = True
cnt = 0
while cache_key in channel.running and cnt < 45:
cnt = cnt + 1
time.sleep(0.1)
if cnt == 45:
# waiting for timeout (the POST query will be closed by wechat official server)
time.sleep(1)
# and do nothing
return
else:
pass
elif channel.query2.get(cache_key) == False:
# The second query from wechat official server
logger.debug("[wechatmp] query2 {}".format(cache_key))
channel.query2[cache_key] = True
cnt = 0
while cache_key in channel.running and cnt < 45:
cnt = cnt + 1
time.sleep(0.1)
if cnt == 45:
# waiting for timeout (the POST query will be closed by wechat official server)
time.sleep(1)
# and do nothing
return
else:
pass
elif channel.query3.get(cache_key) == False:
# The third query from wechat official server
logger.debug("[wechatmp] query3 {}".format(cache_key))
channel.query3[cache_key] = True
cnt = 0
while cache_key in channel.running and cnt < 40:
cnt = cnt + 1
time.sleep(0.1)
if cnt == 40:
# Have waiting for 3x5 seconds
# return timeout message
reply_text = "【正在思考中，回复任意文字尝试获取回复】"
logger.info(
"[wechatmp] Three queries has finished For {}: {}".format(
from_user, message_id
)
)
replyPost = reply.TextMsg(from_user, to_user, reply_text).send()
return replyPost
else:
pass
if (
cache_key not in channel.cache_dict
and cache_key not in channel.running
):
# no return because of bandwords or other reasons
return "success"
# if float(time.time()) - float(query_time) > 4.8:
# reply_text = "【正在思考中，回复任意文字尝试获取回复】"
# logger.info("[wechatmp] Timeout for {} {}, return".format(from_user, message_id))
# replyPost = reply.TextMsg(from_user, to_user, reply_text).send()
# return replyPost
if cache_key in channel.cache_dict:
content = channel.cache_dict[cache_key]
if len(content.encode("utf8")) <= MAX_UTF8_LEN:
reply_text = channel.cache_dict[cache_key]
channel.cache_dict.pop(cache_key)
else:
continue_text = "\n【未完待续，回复任意文字以继续】"
splits = split_string_by_utf8_length(
content,
MAX_UTF8_LEN - len(continue_text.encode("utf-8")),
max_split=1,
)
reply_text = splits[0] + continue_text
channel.cache_dict[cache_key] = splits[1]
logger.info(
"[wechatmp] {}:{} Do send {}".format(
web.ctx.env.get("REMOTE_ADDR"),
web.ctx.env.get("REMOTE_PORT"),
reply_text,
)
)
replyPost = reply.TextMsg(from_user, to_user, reply_text).send()
return replyPost
elif wechatmp_msg.msg_type == "event":
logger.info(
"[wechatmp] Event {} from {}".format(
wechatmp_msg.content, wechatmp_msg.from_user_id
)
)
content = subscribe_msg()
replyMsg = reply.TextMsg(
wechatmp_msg.from_user_id, wechatmp_msg.to_user_id, content
)
return replyMsg.send()
else:
logger.info("暂且不处理")
return "success"
except Exception as exc:
logger.exception(exc)
return exc