ticketfrei/retootbot.py

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#!/usr/bin/env python3
import mastodon
import os
import pickle
import re
import time
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import trigger
import sendmail
import report
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import backend
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class RetootBot(object):
def __init__(self, config):
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self.config = config
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self.logger = backend.get_logger(config)
self.client_id = self.register()
self.m = self.login()
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# load state
try:
with open('seen_toots.pickle', 'rb') as f:
self.seen_toots = pickle.load(f)
except IOError:
self.seen_toots = set()
def register(self):
client_id = os.path.join(
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'appkeys',
self.config['mapp']['name'] +
'@' + self.config['muser']['server']
)
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if not os.path.isfile(client_id):
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mastodon.Mastodon.create_app(
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self.config['mapp']['name'],
api_base_url=self.config['muser']['server'],
to_file=client_id
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)
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return client_id
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def login(self):
m = mastodon.Mastodon(
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client_id=self.client_id,
api_base_url=self.config['muser']['server']
)
m.log_in(
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self.config['muser']['email'],
self.config['muser']['password']
)
return m
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def save_last(self):
""" save the last seen toot """
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try:
with os.fdopen(os.open('seen_toots.pickle.part', os.O_WRONLY | os.O_EXCL | os.O_CREAT), 'wb') as f:
pickle.dump(self.seen_toots, f)
except FileExistsError:
os.unlink('seen_toots.pickle.part')
with os.fdopen(os.open('seen_toots.pickle.part', os.O_WRONLY | os.O_EXCL | os.O_CREAT), 'wb') as f:
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pickle.dump(self.seen_toots, f)
os.rename('seen_toots.pickle.part', 'seen_toots.pickle')
def crawl(self):
"""
Crawl mentions from Mastodon.
:return: list of statuses
"""
mentions = []
try:
all = self.m.notifications()
except: # mastodon.Mastodon.MastodonAPIError is unfortunately not in __init__.py
self.logger.error("Unknown Mastodon API Error.", exc_info=True)
return mentions
for status in all:
if (status['type'] == 'mention' and status['status']['id'] not in self.seen_toots):
# save state
self.seen_toots.add(status['status']['id'])
self.save_last()
# add mention to mentions
text = re.sub(r'<[^>]*>', '', status['status']['content'])
text = re.sub("(?<=^|(?<=[^a-zA-Z0-9-_\.]))@([A-Za-z]+[A-Za-z0-9-_]+)", "", text)
mentions.append(report.Report(status['account']['acct'],
"mastodon",
text,
status['status']['id'],
status['status']['created_at']))
return mentions
def repost(self, mention):
"""
Retoots a mention.
:param mention: (report.Report object)
"""
self.logger.info('Boosting toot from %s' % (
mention.format()))
self.m.status_reblog(mention.id)
def post(self, report):
"""
Toots a report from other sources.
:param report: (report.Report object)
"""
toot = report.format()
self.m.toot(toot)
def flow(self, trigger, reports=()):
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# toot external provided messages
for report in reports:
self.post(report)
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# boost mentions
retoots = []
for mention in self.crawl():
if not trigger.is_ok(mention.text):
continue
self.repost(mention)
retoots.append(mention)
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# return mentions for mirroring
return retoots
if __name__ == '__main__':
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config = backend.get_config()
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trigger = trigger.Trigger(config)
bot = RetootBot(config)
try:
while True:
bot.flow(trigger)
time.sleep(1)
except KeyboardInterrupt:
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print("Good bye. Remember to restart the bot!")
except:
bot.logger.error('Shutdown', exc_info=True)
try:
mailer = sendmail.Mailer(config)
mailer.send('', config['mail']['contact'],
'Ticketfrei Crash Report',
attachment=config['logging']['logpath'])
except:
bot.logger.error('Mail sending failed', exc_info=True)