forked from steffentchr/twitterengine
/
main.py
executable file
·232 lines (207 loc) · 7.6 KB
/
main.py
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# -*- coding: utf-8 -*-
#!/usr/bin/env python
import wsgiref.handlers
import logging
from google.appengine.ext import webapp, db
from google.appengine.ext.webapp import template
import twitter, os, random
import re, htmlentitydefs
import yaml
import sys
import users
from twitter_oauth_handler import OAuthClient,OAuthHandler
# Datamodel
class Tweet(db.Model):
id = db.IntegerProperty()
text = db.StringProperty(required=True, multiline=True)
created_at = db.StringProperty(required=True)
from_user = db.StringProperty(required=True)
from_user_id = db.IntegerProperty(required=True)
to_user = db.StringProperty()
to_user_id = db.IntegerProperty()
source = db.StringProperty()
profile_image_url = db.StringProperty()
term = db.StringProperty(required=True)
votes_count = db.IntegerProperty()
users_voted = db.StringListProperty()
is_retweeted = db.BooleanProperty(default=False)
def unescape(text):
def fixup(m):
text = m.group(0)
if text[:2] == "&#":
# character reference
try:
if text[:3] == "&#x":
return unichr(int(text[3:-1], 16))
else:
return unichr(int(text[2:-1]))
except ValueError:
pass
else:
# named entity
try:
text = unichr(htmlentitydefs.name2codepoint[text[1:-1]])
except KeyError:
pass
return text # leave as is
return re.sub("&#?\w+;", fixup, text)
def get_config():
# Get config from config.yaml
f = open('config.yaml')
c = yaml.load(f)
f.close()
return c
class IndexHandler(webapp.RequestHandler):
show_votes = False
sort_by_votes = False
def get(self):
config = get_config()
# Tweets
if self.sort_by_votes:
count = Tweet.all().filter("votes_count >",0).count(1000)
else:
count = Tweet.all().count(1000)
page = int(self.request.get('page', 1))
prev_page = page-1
next_page = page+1
show_prev_page = (page>1)
show_next_page = (page*20<count)
tweets = []
if self.sort_by_votes:
query = Tweet.all().filter("votes_count >",0).order("-votes_count").order("-id").fetch(20, (page-1)*20)
else:
query = Tweet.all().order("-id").fetch(20, (page-1)*20)
for tweet in query:
tweet.status = twitter.Status(id=tweet.id, created_at=tweet.created_at)
tweet.text = unescape(tweet.text)
tweet.source = unescape(tweet.source)
tweets.append(tweet)
# User cloud
cloud_tweets = Tweet.all().order('-id').fetch(300)
cloud_items = {}
cloud = []
max = 0
for tw in cloud_tweets:
cloud_items[tw.from_user] = 0
for tw in cloud_tweets:
cloud_items[tw.from_user] = cloud_items[tw.from_user]+1
if cloud_items[tw.from_user]>max: max = cloud_items[tw.from_user]
for k in cloud_items:
cloud.append({'name':k, 'lower_name':k.lower(), 'count':cloud_items[k], 'html':'<a href="http://twitter.com/%s" style="font-size:%spx">%s</a>' % (k, (9 + 16*(1.0*cloud_items[k]/max)), k)})
user = users.get_current_user(self)
if user:
login_logout_link = "<strong>%s</strong> | <a href=\"%s\">Logout</a>" % (user,users.create_logout_url(self,"/"))
else:
login_logout_link = "<a href=\"%s\">Login</a>" % users.create_login_url(self,"/")
nav_link = login_logout_link
path = os.path.join(os.path.dirname(__file__), 'index.html')
self.response.out.write(template.render(path, locals()))
class TopHandler(IndexHandler):
show_votes = True
sort_by_votes = True
class RssHandler(webapp.RequestHandler):
def get(self):
config = get_config()
path = os.path.join(os.path.dirname(__file__), 'rss.html')
self.response.headers['Content-Type'] = 'application/xml+rss'
self.response.out.write(template.render(path, {'config':config, 'tweets':Tweet.all().order('-id').fetch(20)}))
class ImportHandler(webapp.RequestHandler):
def get(self):
config = get_config()
# Array of all queries
t = []
for u in config["users"]:
t.append('@'+str(u))
t.append('from:'+str(u))
for h in config["hashes"]:
t.append('#'+str(h))
# We want to limit number of queries to twitter api, but max query length is 140 chars
terms = []
new_term = []
for item in t:
new_term.append(item)
if len(" OR ".join(new_term))>140:
new_term.pop()
terms.append(" OR ".join(new_term))
new_term = [item]
if len(new_term)>0: terms.append(" OR ".join(new_term))
# Connect to API
api = twitter.Api(username=config["twitter_username"], password=config["twitter_password"])
# Do searches and save results
for term in terms:
since_id = 0
for x in Tweet.all().filter('term = ', term).order('-id').fetch(1):
since_id=x.id
statuses = api.Search(terms=term, since_id=since_id)
for status in statuses:
if not status.from_user == "ukropol":
tw = Tweet.get_or_insert("id%s" % status.id,
id=status.id,
text=status.text,
created_at=status.created_at,
to_user=status.to_user,
to_user_id=status.to_user_id,
from_user=status.from_user,
from_user_id=status.from_user_id,
source=status.source,
profile_image_url=status.profile_image_url,
term=term);
# (this tweet might have been a match for a different query than before, update datastore)
tw.term = term
tw.put()
self.response.out.write('success')
class VoteHandler(webapp.RequestHandler):
def get(self):
config = get_config()
vtweet = self.request.get('tweetid')
logging.debug(users.get_current_user(self))
vuser = users.get_current_user(self)
if vuser:
vuser = str(vuser)
# Check if user voted for this tweet
try:
query = db.GqlQuery("SELECT * FROM Tweet WHERE id=:1", int(vtweet))
if query:
tweet = query[0]
else:
self.response.out.write('error_tweet_not_found')
return
except:
self.response.out.write('error_query_exception %s' % vtweet)
return
if vuser in tweet.users_voted:
self.response.out.write('already')
else:
# Add data about the vote
tweet.users_voted.append(vuser)
if tweet.votes_count:
tweet.votes_count += 1
else:
tweet.votes_count = 1
# retweet it if not retweeted before
if not tweet.is_retweeted:
config = get_config()
api = twitter.Api(username=config["twitter_username"], password=config["twitter_password"])
retweet_text = "RT @%s %s" % (tweet.from_user, tweet.text)
if len(retweet_text) > 140:
retweet_text = retweet_text[:135] + "..."
res = api.PostUpdate(retweet_text)
try:
tweet.put()
self.response.out.write('success')
except:
self.response.out.write(str(tweet.users_voted))
else:
self.response.out.write('no login')
def main():
logging.getLogger().setLevel(logging.DEBUG)
application = webapp.WSGIApplication([
('/', IndexHandler),
('/top', TopHandler),
('/rss', RssHandler),
('/import', ImportHandler),
('/vote', VoteHandler),
('/oauth/(.*)/(.*)', OAuthHandler),
], debug=True)
wsgiref.handlers.CGIHandler().run(application)
if __name__ == '__main__': main()