mirror of
https://github.com/Lynnesbian/FediBooks/
synced 2024-11-25 08:38:59 +00:00
121 lines
3.3 KiB
Python
Executable file
121 lines
3.3 KiB
Python
Executable file
#!/usr/bin/env python3
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from mastodon import Mastodon
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import MySQLdb
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import requests
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from multiprocessing import Pool
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import json, re
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import functions
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cfg = json.load(open('config.json'))
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def scrape_posts(account):
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handle = account[0]
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outbox = account[1]
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print("Scraping {}".format(handle))
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c = db.cursor()
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last_post = 0
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c.execute("SELECT COUNT(*) FROM `posts` WHERE `fedi_id` = %s", (handle,))
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if c.fetchone()[0] > 0:
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# we've downloaded this user's posts before
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# find out the most recently downloaded post of theirs
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c.execute("SELECT `post_id` FROM `posts` WHERE `fedi_id` = %s ORDER BY `id` DESC LIMIT 1", (handle,))
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last_post = c.fetchone()[0]
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r = requests.get(outbox)
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j = r.json()
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# check for pleroma
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pleroma = 'next' not in j
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if pleroma:
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j = j['first']
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else:
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uri = "{}&min_id={}".format(outbox, last_post)
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r = requests.get(uri)
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j = r.json()
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# here we go!
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# warning: scraping posts from outbox.json is messy stuff
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done = False
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while not done and len(j['orderedItems']) > 0:
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for oi in j['orderedItems']:
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if oi['type'] == "Create":
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# this is a status/post/toot/florp/whatever
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# first, check to see if we already have this in the database
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post_id = re.search(r"([^\/]+)/?$", oi['object']['id']).group(1) # extract 123 from https://example.com/posts/123/
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c.execute("SELECT COUNT(*) FROM `posts` WHERE `fedi_id` = %s AND `post_id` = %s", (handle, post_id))
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if c.fetchone()[0] > 0:
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# this post is already in the DB.
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# we'll set done to true because we've caught up to where we were last time.
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done = True
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# we'll still iterate over the rest of the posts, though, in case there are still some new ones on this page.
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continue
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content = oi['object']['content']
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# remove HTML tags and such from post
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content = functions.extract_post(content)
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if len(content) > 65535:
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# post is too long to go into the DB
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continue
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try:
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c.execute("INSERT INTO `posts` (`fedi_id`, `post_id`, `content`, `cw`) VALUES (%s, %s, %s, %s)", (
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handle,
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post_id,
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content,
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1 if (oi['object']['summary'] != None and oi['object']['summary'] != "") else 0
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))
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except:
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#TODO: error handling
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raise
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if not done:
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if pleroma:
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r = requests.get(j['next'], timeout = 10)
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else:
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r = requests.get(j['prev'], timeout = 10)
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if r.status_code == 429:
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# we are now being ratelimited, move on to the next user
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done = True
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else:
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j = r.json()
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db.commit()
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c.close()
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print("Finished {}".format(handle))
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def make_post(bot):
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pass
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print("Establishing DB connection")
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db = MySQLdb.connect(
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host = cfg['db_host'],
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user=cfg['db_user'],
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passwd=cfg['db_pass'],
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db=cfg['db_name']
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)
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print("Downloading posts")
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cursor = db.cursor()
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cursor.execute("SELECT `handle`, `outbox` FROM `fedi_accounts` ORDER BY RAND()")
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accounts = cursor.fetchall()
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with Pool(8) as p:
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p.map(scrape_posts, accounts)
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print("Generating posts")
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cursor.execute("""
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SELECT
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bots.handle, credentials.client_id, credentials.client_secret, credentials.secret
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FROM
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bots,
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credentials
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WHERE
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bots.credentials_id = credentials.id
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AND bots.enabled = TRUE;
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""")
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bots = cursor.fetchall()
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with Pool(8) as p:
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p.map(make_post, bots)
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#TODO: other cron tasks should be done here, like updating profile pictures
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