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arxiv_expander_slack.py

import json
import re
import time

import arxiv
from slackclient import SlackClient


slack_token = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
sc = SlackClient(slack_token)

if sc.rtm_connect():
  while sc.server.connected is True:
        data = sc.rtm_read()
        if len(data) > 0:
            for item in data:
                if item["type"] == "message":
                    text = item["text"]
                    channel = item["channel"]
                    for m in re.finditer("https://arxiv.org/abs/([\w|.]+)", text):
                        arxiv_id = m.groups()
                        arxiv_info = arxiv.query(id_list=arxiv_id)[0]
                        title = arxiv_info["title"]
                        summary = arxiv_info["summary"]
                        url = arxiv_info["arxiv_url"]
                        at = [{
                            "author_icon": "https://arxiv.org/favicon.ico",
                            "author_name": "arXiv.org",
                            "title": title,
                            "title_link": url,
                            "text": summary[:140],
                            "fallback": url,
                        }]
                        sc.api_call("chat.postMessage",
                                    channel=channel,
                                    attachments=json.dumps(at))
        time.sleep(1)
else:
    print("Connection Failed")