ticketfrei/active_bots/twitterbot.py

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#!/usr/bin/env python3
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import logging
import tweepy
import re
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import requests
from time import time
import report
from bot import Bot
import tfglobals
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logger = logging.getLogger(__name__)
class TwitterBot(Bot):
def get_api(self, user):
keys = user.get_twitter_credentials()
auth = tweepy.OAuthHandler(consumer_key=keys[0],
consumer_secret=keys[1])
auth.set_access_token(keys[2], # access_token_key
keys[3]) # access_token_secret
return tweepy.API(auth, wait_on_rate_limit=True)
def crawl(self, user):
"""
crawls all Tweets which mention the bot from the twitter rest API.
:return: reports: (list of report.Report objects)
"""
reports = []
#global last_twitter_request
if tfglobals.last_twitter_request + 60 > time():
return reports
try:
api = self.get_api(user)
except TypeError:
# When there is no twitter account for this bot, we want to
# seamlessly continue.
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#logger.error("Error Authenticating Twitter", exc_info=True)
return reports
last_mention = user.get_seen_tweet()
try:
if last_mention == 0:
mentions = api.mentions_timeline()
else:
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mentions = api.mentions_timeline(since_id=last_mention)
tfglobals.last_twitter_request = time()
for status in mentions:
text = re.sub(
"(?<=^|(?<=[^a-zA-Z0-9-_\.]))@([A-Za-z]+[A-Za-z0-9-_]+)",
"", status.text)
username = "@" + api.me().screen_name
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if username in status.text:
reports.append(report.Report(status.author.screen_name,
self,
text,
status.id,
status.created_at))
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user.save_seen_tweet(status.id)
return reports
except tweepy.RateLimitError:
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logger.error("Twitter API Error: Rate Limit Exceeded",
exc_info=True)
# :todo implement rate limiting
except requests.exceptions.ConnectionError:
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logger.error("Twitter API Error: Bad Connection", exc_info=True)
except tweepy.TweepError:
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logger.error("Twitter API Error: General Error", exc_info=True)
return []
def post(self, user, report):
try:
api = self.get_api(user)
except IndexError:
return # no twitter account for this user.
try:
if report.source == self:
api.retweet(report.id)
else:
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text = report.text
if len(text) > 280:
text = text[:280 - 4] + u' ...'
api.update_status(status=text)
except requests.exceptions.ConnectionError:
logger.error("Twitter API Error: Bad Connection",
exc_info=True)
except tweepy.error.TweepError:
logger.error("Twitter API Error", exc_info=True)