justnosinclair.py

#!/usr/bin/env python

import praw
from prawcore import exceptions
import re
import os
import time

account = 'JustNoSinclair'

reddit = praw.Reddit(account)

def read_text_set(filename):
    result = []
    try:
        with open(filename) as f:
            result = [_.strip() for _ in f if _]
    except FileNotFoundError:
        pass
    return result

def remove_subreddit(sr_list, sr, error):
    fn = error
    fn.replace(" ", "_")
    try:
        sr.unsubscribe()
    except Exception as e:
        print ("Unsubscribe error: (" + type(e) + ") " + e)
    fn_list = [_.lower() for _ in read_text_set("local_subreddits/" + fn)]
    with open("local_subreddits/" + fn, "w") as f:
        for lsr in sorted(fn_list):
            f.write(lsr + "\n")
    sr_list.remove(sr)
    with open("local_subreddits/active", "w") as f:
        for lsr in sorted(sr_list):
            f.write(lsr + "\n")
    print(sr + " is " + error + ", removed from list of local subreddits")

# ~ posts_replied_to = read_text_set("posts_replied_to")
posts_replied_to = [_.submission.id for _ in reddit.redditor(account).comments.new(limit=None)]

domains = {_.lower() for _ in read_text_set("sinclair_domains")}

local_subreddits = [_.display_name.lower() for _ in reddit.user.subreddits(limit=None)] or [_.lower() for _ in read_text_set("local_subreddits/active")] or ["politics"]

comment = ""

with open('comment_text', 'r') as f:
    comment = f.read().rstrip()

try:
    subreddits = (reddit.subreddit(sr) for sr in local_subreddits)
    for subreddit in subreddits:
        try:
            for submission in subreddit.hot(limit=50):
                submission_timely = time.time() - submission.created < 86400
                if submission.id not in posts_replied_to \
                    and re.search("|".join(domains), submission.url, re.IGNORECASE) \
                    and submission_timely:
                        try:
                            print("SINCLAIR", "[" + subreddit.display_name.lower() + "]", submission.title, submission.url)
                            submission.reply(comment)
                            posts_replied_to.append(submission.id)
                            with open("posts_replied_to", "a") as f:
                                f.write(submission.id + "\n")
                        except exceptions.Forbidden:
                            remove_subreddit(local_subreddits, subreddit, "banned")
                        except Exception as e:
                            print(type(e))
                            print(e)
        except exceptions.Forbidden:
            remove_subreddit(local_subreddits, subreddit, "private")
        except exceptions.NotFound:
            remove_subreddit(local_subreddits, subreddit, "invalid")
        except exceptions.Redirect:
            remove_subreddit(local_subreddits, subreddit, "not_found")
        except KeyError:
            remove_subreddit(local_subreddits, subreddit, "removed")
        except Exception as e:
            print(type(e))
            print(e)
except Exception as e:
    print(type(e))
    print(e)