Version 2.0, with vastly improved toot fetching capabilities!

This commit is contained in:
Lynne 2018-10-25 12:37:11 +10:00
parent 3d059d0b9b
commit 19899cafee
1 changed files with 112 additions and 69 deletions

181
main.py
View File

@ -1,4 +1,5 @@
#!/usr/bin/env python3
# toot downloader version two!!
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
@ -6,98 +7,87 @@
from mastodon import Mastodon
from os import path
from bs4 import BeautifulSoup
import shutil, os, sqlite3, signal, sys, json
# import re
import os, sqlite3, signal, sys, json, re
import requests
scopes = ["read:statuses", "read:accounts", "read:follows", "write:statuses"]
cfg = json.load(open('config.json', 'r'))
if not path.exists("clientcred.secret"):
if os.path.exists("clientcred.secret"):
print("Upgrading to new storage method")
cc = open("clientcred.secret").read().split("\n")
cfg['client'] = {
"id": cc[0],
"secret": cc[1]
}
cfg['secret'] = open("usercred.secret").read().rstrip("\n")
os.remove("clientcred.secret")
os.remove("usercred.secret")
print("No clientcred.secret, registering application")
Mastodon.create_app("lynnesbian_mastodon_ebooks", api_base_url=cfg['site'], to_file="clientcred.secret", scopes=scopes, website="https://github.com/Lynnesbian/mastodon-ebooks")
if "client" not in cfg:
print("No client credentials, registering application")
client_id, client_secret = Mastodon.create_app("mstdn-ebooks",
api_base_url=cfg['site'],
scopes=scopes,
website="https://github.com/Lynnesbian/mstdn-ebooks")
if not path.exists("usercred.secret"):
print("No usercred.secret, registering application")
client = Mastodon(client_id="clientcred.secret", api_base_url=cfg['site'])
print("Visit this url:")
print(client.auth_request_url(scopes=scopes))
client.log_in(code=input("Secret: "), to_file="usercred.secret", scopes=scopes)
cfg['client'] = {
"id": client_id,
"secret": client_secret
}
def parse_toot(toot):
if toot.spoiler_text != "": return
if toot.reblog is not None: return
if toot.visibility not in ["public", "unlisted"]: return
if "secret" not in cfg:
print("No user credentials, logging in")
client = Mastodon(client_id = cfg['client']['id'],
client_secret = cfg['client']['secret'],
api_base_url=cfg['site'])
soup = BeautifulSoup(toot.content, "html.parser")
print("Open this URL: {}".format(client.auth_request_url(scopes=scopes)))
cfg['secret'] = client.log_in(code=input("Secret: "), scopes=scopes)
json.dump(cfg, open("config.json", "w+"))
def extract_toot(toot):
toot = toot.replace("'", "'")
toot = toot.replace(""", '"')
soup = BeautifulSoup(toot, "html.parser")
# pull the mentions out
# for mention in soup.select("span.h-card"):
# mention.unwrap()
# for mention in soup.select("a.u-url.mention"):
# mention.unwrap()
# this is the code that removes all mentions
# TODO: make it so that it removes the @ and instance but keeps the name
for mention in soup.select("span.h-card"):
mention.decompose()
mention.a.unwrap()
mention.span.unwrap()
# make all linebreaks actual linebreaks
# replace <br> with linebreak
for lb in soup.select("br"):
lb.insert_after("\n")
lb.decompose()
# make each p element its own line because sometimes they decide not to be
# replace <p> with linebreak
for p in soup.select("p"):
p.insert_after("\n")
p.unwrap()
# keep hashtags in the toots
# fix hashtags
for ht in soup.select("a.hashtag"):
ht.unwrap()
# unwrap all links (i like the bots posting links)
# fix links
for link in soup.select("a"):
link.insert_after(link["href"])
link.decompose()
text = map(lambda a: a.strip(), soup.get_text().strip().split("\n"))
# next up: store this and patch markovify to take it
# return {"text": text, "mentions": mentions, "links": links}
# it's 4am though so we're not doing that now, but i still want the parser updates
#todo: we split above and join now, which is dumb, but i don't wanna mess with the map code bc i don't understand it uwu
text = "\n".join(list(text))
text = text.replace("&apos;", "'")
return text
def get_toots(client, id, since_id):
i = 0
toots = client.account_statuses(id, since_id = since_id)
while toots is not None and len(toots) > 0:
for toot in toots:
t = parse_toot(toot)
if t != None:
yield {
"content": t,
"id": toot.id
}
try:
toots = client.fetch_next(toots)
except TimeoutError:
print("Operation timed out, committing to database and exiting.")
db.commit()
db.close()
sys.exit(1)
i += 1
if i%10 == 0:
print(i)
toot = soup.get_text()
toot = toot.rstrip("\n") #remove trailing newline
toot = toot.replace("@", "@\u202B") #put a zws between @ and username to avoid mentioning
return(toot)
client = Mastodon(
client_id="clientcred.secret",
access_token="usercred.secret",
api_base_url=cfg['site'])
client_id=cfg['client']['id'],
client_secret = cfg['client']['secret'],
access_token=cfg['secret'],
api_base_url=cfg['site'])
me = client.account_verify_credentials()
following = client.account_following(me.id)
@ -105,7 +95,7 @@ following = client.account_following(me.id)
db = sqlite3.connect("toots.db")
db.text_factory=str
c = db.cursor()
c.execute("CREATE TABLE IF NOT EXISTS `toots` (id INT NOT NULL UNIQUE PRIMARY KEY, userid INT NOT NULL, content VARCHAR NOT NULL) WITHOUT ROWID")
c.execute("CREATE TABLE IF NOT EXISTS `toots` (id INT NOT NULL UNIQUE PRIMARY KEY, userid INT NOT NULL, uri VARCHAR NOT NULL, content VARCHAR NOT NULL) WITHOUT ROWID")
db.commit()
def handleCtrlC(signal, frame):
@ -121,12 +111,65 @@ for f in following:
last_toot = last_toot[0]
else:
last_toot = 0
print("Downloading toots for user @{}, starting from {}".format(f.username, last_toot))
for t in get_toots(client, f.id, last_toot):
# try:
c.execute("REPLACE INTO toots (id, userid, content) VALUES (?, ?, ?)", (t['id'], f.id, t['content']))
# except:
# pass #ignore toots that can't be encoded properly
print("Harvesting toots for user @{}, starting from {}".format(f.acct, last_toot))
#find the user's activitypub outbox
print("WebFingering...")
instance = re.search(r"^.*@(.+)", f.acct)
if instance == None:
instance = re.search(r"https?:\/\/(.*)", cfg['site']).group(1)
else:
instance = instance.group(1)
# print("{} is on {}".format(f.acct, instance))
try:
r = requests.get("https://{}/.well-known/host-meta".format(instance))
uri = re.search(r'template="([^"]+)"', r.text).group(1)
uri = uri.format(uri = "{}@{}".format(f.username, instance))
r = requests.get(uri)
uri = r.json()['aliases'][1] #TODO: find out if it's safe to rely on this
uri = "{}/outbox?page=true&min_id={}".format(uri, last_toot)
r = requests.get(uri)
j = r.json()
except Exception:
print("oopsy woopsy!! we made a fucky wucky!!!\n(we're probably rate limited, please hang up and try again)")
sys.exit(1)
print("Downloading and parsing toots", end='', flush=True)
current = None
try:
while len(j['orderedItems']) > 0:
for oi in j['orderedItems']:
if oi['type'] == "Create":
# its a toost baby
content = oi['object']['content']
if oi['object']['summary'] != None:
#don't download CW'd toots
continue
toot = extract_toot(content)
# print(toot)
try:
c.execute("REPLACE INTO toots (id, userid, uri, content) VALUES (?, ?, ?, ?)",
(re.search(r"[^\/]+$", oi['object']['id']).group(0),
f.id,
oi['object']['id'],
toot
)
)
pass
except:
pass #ignore any toots that don't go into the DB
# sys.exit(0)
r = requests.get(j['prev'])
j = r.json()
print('.', end='', flush=True)
print(" Done!")
db.commit()
except:
print("Encountered an error! Saving toots to database and exiting.")
db.commit()
db.close()
sys.exit(1)
db.commit()
db.execute("VACUUM") #compact db