def update_access_token():
access_token_url = create_access_token_url()
ret_text = urlopen(access_token_url).read().strip().decode('utf8', 'ignore')
ret_data = json.loads(ret_text)
if u'access_token' not in ret_data:
raise Exception('Error occurs when trying to get access token')
token, expire = ret_data[u'access_token'], ret_data[u'expires_in']
# 读取或创建记录
wx_access_token, _ = WxAccessToken.get_or_create(appid=WX_APP_ID)
wx_access_token.token = token
wx_access_token.expires_in = expire
if not wx_access_token.save():
raise Exception('Error occurs when saving access token to database')
print('Get access token %s which will expire in %s seconds' % (token, expire))
return token, int(expire)
def update_jsapi_ticket():
try:
wx_access_token = WxAccessToken.get(WxAccessToken.appid == WX_APP_ID)
except DoesNotExist:
raise Exception('Need to get access token before request for jsapi ticket')
jsapi_ticket_url = create_jsapi_ticket_url(wx_access_token.token)
ret_text = urlopen(jsapi_ticket_url).read().strip().decode('utf8', 'ignore')
ret_data = json.loads(ret_text)
if u'ticket' not in ret_data:
raise Exception('Error occurs when trying to get jsapi ticket')
ticket, expire = ret_data[u'ticket'], ret_data[u'expires_in']
wx_jsapi_ticket, _ = WxJsapiTicket.get_or_create(appid=WX_APP_ID)
wx_jsapi_ticket.ticket = ticket
wx_jsapi_ticket.expires_in = expire
if not wx_jsapi_ticket.save():
raise Exception('Error occurs when saving jsapi ticket to database')
print('Get jsapi ticket %s which will expire in %s seconds' % (ticket, expire))
return ticket, int(expire)
ticket, expire = ret_data[u'ticket'], ret_data[u'expires_in']
wx_jsapi_ticket, _ = WxJsapiTicket.get_or_create(appid=WX_APP_ID)
wx_jsapi_ticket.ticket = ticket
wx_jsapi_ticket.expires_in = expire
if not wx_jsapi_ticket.save():
raise Exception('Error occurs when saving jsapi ticket to database')
print('Get jsapi ticket %s which will expire in %s seconds' % (ticket, expire))
return ticket, int(expire)
if __name__ == '__main__':
# 确保数据表已经创建
WxAccessToken.create_table(fail_silently=True)
WxJsapiTicket.create_table(fail_silently=True)
# 设置定时器
scheduler = BlockingScheduler()
# 第一次运行，根据返回值设置任务间隔
access_token, expires_in = update_access_token()
scheduler.add_job(update_access_token, 'interval', seconds=(expires_in // 2))
ticket, expires_in = update_jsapi_ticket()
scheduler.add_job(update_jsapi_ticket, 'interval', seconds=(expires_in // 2))
logger = logging.getLogger('apscheduler.executors.default')
logger.setLevel(logging.DEBUG)
steam_handler = logging.StreamHandler()