微信开发：一个智能陪聊公众号
首先感慨微信生态之丰富，功能之强大！
起初是为了方便女友，开发了一个公众号，用于查询天气、快递等，之后逐步扩展功能，如：笑话、绕口令、星座运势和智能聊天等。步骤如下：
- 微信公众平台注册开发账号，注册订阅号。
- 获取一台带公网 IP 的云主机，本人使用的是 AWS，最低配置免费一年的那种。
- 某些开放平台提供了许多免费 API，如查询天气、笑话等，如极速数据，百度开放平台。
效果如下：
代码如下：
server.py
# coding: utf-8
import random
import eventlet
from eventlet import wsgi
import request
import xml.etree.ElementTree as ET
class FunnyTalkServer(object):
def application(self, env, start_response):
input_msg = env['eventlet.input'].read()
res = self.process_request(input_msg)
start_response('200 OK', [('Content-Type', 'text/xml')])
return [res]
def serve_forever(self):
wsgi.server(eventlet.listen(('', 80)), self.application)
def process_request(self, msg):
root = ET.fromstring(msg)
children = root.getchildren()
for child in children:
if child.tag == 'ToUserName':
to_user_name = child.text
if child.tag == 'FromUserName':
from_user_name = child.text
if child.tag == 'CreateTime':
child.text = str(int(child.text) + 1)
if child.tag == 'MsgId':
root.remove(child)
if child.tag == 'Content':
child.text = self.create_response(child.text)
for child in children:
if child.tag == 'ToUserName':
child.text = from_user_name
if child.tag == 'FromUserName':
child.text = to_user_name
return ET.tostring(root, encoding='utf8')
def create_response(self, req_str):
# 20% ratio for random response.
if random.random() < 0.2:
return self.random_funny_response()
req_cmd = self.pre_format_req(req_str)
if u'笑话' in req_cmd:
req = request.RequestJoke()
elif u'天气' in req_cmd:
if len(req_cmd) == 1:
city = u'上海'
else:
city = req_cmd[1]
req = request.RequestWeather(city)
elif u'绕口令' in req_cmd:
if len(req_cmd) == 1:
return u'请输入关键字，如：笑话 西瓜'
else:
keyword = req_cmd[1]
req = request.RequestTongueTwister(keyword)
elif u'快递' in req_cmd:
if len(req_cmd) == 1:
return u'请输入快递单，如：快递 121212121212'
else:
number = req_cmd[1]
req = request.RequestExpress(number)
else:
req = request.RequestAuto(req_str)
response = req.make_req()
if response:
return self.post_format_res(response)
else:
return u"服务器罢工中!"
def pre_format_req(self, req_str):
req_cmd = []
req_list = req_str.split(' ')
for req in req_list:
if req not in ('', ' '):
req_cmd.append(req)
return req_cmd
def random_funny_response(self):
funny_responses = [
u'宝宝别闹！',
u'大爷在睡觉觉！',
u'我知道你想要什么，可是我就是不给你，嘿嘿！',
u'大爷，服务很辛苦的，赏点钱吧！',
u'再试试！！',
u'老板好久没有发钱了，拒绝服务！！！',
u'认真学习！！！',
u'早点休息！！！',
u'来来来，给爷笑一个！！！']
length = len(funny_responses)
return funny_responses[random.randint(0, length - 1)]
def post_format_res(self, res):
res = res.replace(u'<br />', u'')
res = res.replace(u'”&ldquo', u'\n')
res = res.replace(u'“', u'\n')
res = res.replace(u'”', u'\n')
res = res.replace(u'…', u'。')
return res
if '__main__' == __name__:
server = FunnyTalkServer()
server.serve_forever()
request.py
# coding: utf-8
import json
import requests
TRY_AGAIN_LATER = "Please try again later!"
ANOTHER_KEYWORD = "Not found, please try another keyword!"
ANOTHER_CITY = "Not found, please try another city!"
ANOTHER_NUMBER = "Not found, please try express number!"
STATUS_OK = (200, 201, 202, 204)
class BaseRequest(object):
def __init__(self):
self.app_key = "appkey"
def send_req(self, method, url, headers=None, data=None):
try:
conn = requests.request(method, url,
headers=headers, data=data)
response = json.loads(conn.text)
except Exception:
return None
return response
class RequestJoke(BaseRequest):
def __init__(self):
super(RequestJoke, self).__init__()
self.base_url = "http://api.jisuapi.com/xiaohua/text?"
self.url = self.base_url + "pagenum=1&pagesize=1&sort=rand"
self.url += "&appkey=" + self.app_key
def make_req(self):
res = self.send_req('GET', self.url)
if res and res.get('status') == '0':
result = res['result']['list'][0]['content']
return result
else:
return TRY_AGAIN_LATER
class RequestTongueTwister(BaseRequest):
def __init__(self, keyword):
super(RequestTongueTwister, self).__init__()
self.base_url = "http://api.jisuapi.com/rkl/search?"
self.url = self.base_url + "pagenum=1&pagesize=1"
self.url += "&appkey=" + self.app_key
self.url += "&keyword=" + keyword
def make_req(self):
res = self.send_req('GET', self.url)
if res:
if res.get('status') == '0':
title = res['result']['list'][0]['title']
content = res['result']['list'][0]['content']
result = title + ' ' + content
return result
elif res.get('status') == '202':
return ANOTHER_KEYWORD
else:
return TRY_AGAIN_LATER
class RequestWeather(BaseRequest):
def __init__(self, city):
super(RequestWeather, self).__init__()
self.base_url = "http://api.jisuapi.com/weather/query?"
self.url = self.base_url + "&appkey=" + self.app_key
self.url += "&city=" + city
def make_req(self):
res = self.send_req('GET', self.url)
if res:
if res.get('status') == '0':
return self.format_weather_info(res['result'])
elif res.get('status') in ('202', '203'):
return ANOTHER_CITY
else:
return TRY_AGAIN_LATER
def format_weather_info(self, info):
result = info['city'] + ' ' + info['weather']
result += u' 温度: ' + info['templow'] + u'-' + info['temphigh']
result += u' ' + info['winddirect'] + u' ' + info['windpower']
result += u' PM2.5: ' + info['aqi']['ipm2_5']
result += u' 温馨提醒宝宝: ' + info['index'][1]['detail']
return result
class RequestExpress(BaseRequest):
def __init__(self, number):
super(RequestExpress, self).__init__()
self.base_url = "http://api.jisuapi.com/express/query?type=auto"
self.url = self.base_url + "&appkey=" + self.app_key
self.url += "&number=" + number
def make_req(self):
res = self.send_req('GET', self.url)
if res:
if res.get('status') == '0':
result = ''
contents = res['result']['list']
for content in contents:
result += content['time'] + ' '
result += content['status'] + ' '
return result
elif res.get('status') in ('202', '203'):
return ANOTHER_NUMBER
else:
return TRY_AGAIN_LATER
class RequestAuto(BaseRequest):
def __init__(self, question):
super(RequestAuto, self).__init__()
self.base_url = "http://api.jisuapi.com/iqa/query?"
self.url = self.base_url + "&appkey=" + self.app_key
self.url += "&question=" + question
def make_req(self):
res = self.send_req('GET', self.url)
if res and res.get('status') == '0':
result = res['result']['content']
return result
return None
运行：
$ sudo nohup python server.py >/dev/null 2>&1 &