Strip text content from Echo posts and submit comment

echo_bot.py

#!/usr/bin/python3

import os
import sys
import praw
import requests
import simplejson
from bs4 import BeautifulSoup as BSp
import html2text
from time import sleep


class Echo:

    def __init__(self):
        try:
            os.chdir(os.path.dirname(sys.argv[0]))
        except FileNotFoundError:
            pass
        self.done = []
        self.login()

    def login(self):
        self.reddit = praw.Reddit(user_agent='python:/u/some_user:echo_bot:0.1',
                                  client_id='some_id',
                                  client_secret='some_client',
                                  username='some_user',
                                  password='password')
        self.get_done()

    def get_done(self):
        """Check for already done posts."""
        if os.path.exists("done.txt"):
            with open("done.txt", 'r') as d:
                self.done = simplejson.load(d)
        self.get_posts()

    def get_posts(self):
        """Fetch posts."""
        new = self.reddit.subreddit('liverpool').new(limit=10)
        for n in new:
            if 'liverpoolecho.co.uk' in n.url and n.id not in self.done:
                self.post_summary_echo(n)
                sleep(5)
        self.clean_up()

    def post_summary_echo(self, n):
        """Construct summary for Echo."""
        req = requests.get(n.url).text
        htm = BSp(req, 'lxml')
        if n.url.endswith("amp"):
            con = htm.select('.lead-text~article>.body>p')
        else:
            con = htm.select('.article-body>p')
        if con:
            h = html2text.HTML2Text()
            h.body_width = 0
            con = ''.join(str(x) for x in con)
            con = h.handle(con)
            con = "######Text from the linked article:\n\n" + con
            if len(con) > 9990:
                con = con[:9940]
                con = con + "\n\n... (truncated. Article length exceeds comment limit)"
            rep = n.reply(con)
            rep.mod.distinguish(how='yes', sticky=True)
            self.done.append(n.id)

    def clean_up(self):
        """Add done posts to archive."""
        with open('done.txt', 'w') as d:
            simplejson.dump(self.done, d)


Echo()