wikipedia bot

bot.py

from apscheduler.schedulers.background import BackgroundScheduler
#from apscheduler.schedulers.blocking import BlockingScheduler
from xml.dom import minidom
import os,time,logging,re,datetime,requests,json,random
from bs4 import BeautifulSoup
from slackclient import SlackClient
from pytz import utc
import wikipedia

logging.basicConfig(filename='info.log',level=logging.INFO)
sched=BackgroundScheduler(timezone=utc)
slack_token=os.getenv('SLACK_TOKEN')
sc=SlackClient(slack_token)

#genre={'History':0,'Computing':1,'Education':2,'Engineering and technology':3,'Mathematics':4}
def get_articles(genre='History'):
    return []

def randomTitle(fname='articles'):
    lines=0
    with open(fname) as f:
        while f.readline() :lines+=1
    with open(fname) as f:
        for i in range(random.randint(0,lines)):
            title=f.readline()
    return title


def scheduled_job(mes=None,event=None):
    print("This job is run every weekday at 8am.")
    if mes is not None:greet(mes)
    while True:
        title=randomTitle('articles')
        page=wikipedia.page(title)
        try:
            summary=wikipedia.summary(title)
        except wikipedia.exceptions.DisambiguationError as e:
            print('wikipedia throwing error')
            continue
        if event==None:
            greet("today's article",attach=json.dumps([{"title":page.title},{"text":page.url},{"text":summary}]))
        else:
            react(event,mes="today's article",
                    attach=json.dumps([{"title":page.title},{"text":page.url},{"text":summary}]))
        break
   
def greet(message,attach=None,channel="CAPB3A88G"):
    ret=sc.api_call("chat.postMessage",channel=channel,text=message,attachments=attach)
    print(ret)
    logging.info("send message : "+message+str(ret))

def react(event,mes,attach=None):
    print(sc.api_call('chat.postMessage',channel=event.get('channel'),text=mes,attachments=attach))

def reply(event,mes,attach=None):
    pass

def groupsList():
    ret=sc.api_call("groups.list")
    for group in ret.get('groups'):
        print('id',group.get('id'),'name',group.get('name'))
    
def users_list():
    ret=sc.api_call("users.list")
    print(ret)
def process(events):
    if events == [] or len(events)<=0:return
    print(events)
    if events[0].get('type') =='message':
        if events[0].get('text') == 'h':
            react(events[0],mes="this bot is developed by sakakendo.",
                    attach=json.dumps([{"text":"h:help\nr:random"}]))
        elif events[0].get('text') == 'r':
            scheduled_job(event=events[0])


if __name__ == '__main__':
    greet('app deployed')
    #sched.add_job(scheduled_job,'cron',hour="22",minute="0") #jst am7
    sched.add_job(scheduled_job,'cron',hour="23",minute="0") #jst am8
    sched.start()

    if sc.rtm_connect():
        while True:
            process(sc.rtm_read())
            time.sleep(1)
        print('sc server refused')
    else:
        print('connection failed')
        sched.shutdown()
        greet('exit application')
        exit()
    print('task finished')