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tweet.py
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#vim:fileencoding=utf-8
from flask import render_template, request, redirect, url_for, flash
import datetime
import tweepy
from models import *
from main import app
import shorten
# Configuration
@app.route('/config', methods=['GET', 'POST'])
def config():
if request.method == 'GET':
return render_template('config.html',
consumer_key=config_get('consumer_key'),
consumer_secret=config_get('consumer_secret'),
google_api_key=config_get('google_api_key'),
)
config_set('consumer_key', request.form.get('consumer_key', '').strip())
config_set('consumer_secret', request.form.get('consumer_secret', '').strip())
config_set('google_api_key', request.form.get('google_api_key', '').strip())
return redirect(url_for('top'))
@app.route('/login')
def login():
# OAuth
try:
auth = tweepy.OAuthHandler(
config_get('consumer_key'),
config_get('consumer_secret'),
url_for('callback', _external=True),
# XXX callbackをつけた場合、Twitter APIのサイト上で、
# XXX 「Browserタイプ」を選択しておかないと401になる。
)
authurl = auth.get_authorization_url()
config_set('request_key', auth.request_token.key)
config_set('request_secret', auth.request_token.secret)
except tweepy.TweepError, e:
flash(e)
return render_template('login.html')
return render_template('login.html', authurl=authurl)
@app.route('/callback')
def callback():
oauth_token = request.args.get('oauth_token')
oauth_verifier = request.args.get('oauth_verifier')
if not oauth_token:
flash('Invalid callback URL')
return redirect(url_for('top'))
request_token_key = config_get('request_key')
request_token_secret = config_get('request_secret')
if not request_token_key or not request_token_secret:
flash('No request token')
return redirect(url_for('top'))
if oauth_token != request_token_key:
flash('Invalid oauth_token')
return redirect(url_for('top'))
try:
auth = tweepy.OAuthHandler(
config_get('consumer_key'),
config_get('consumer_secret'),
)
auth.set_request_token(request_token_key, request_token_secret)
auth.get_access_token(oauth_verifier)
config_set('access_token_key', auth.access_token.key)
config_set('access_token_secret', auth.access_token.secret)
except tweepy.TweepError, e:
flash(e)
return redirect(url_for('top'))
def tweepy_api():
auth = tweepy.OAuthHandler(
config_get('consumer_key'),
config_get('consumer_secret'),
)
auth.set_access_token(
config_get('access_token_key'),
config_get('access_token_secret'),
)
api = tweepy.API(auth)
return api if api.verify_credentials() else False
@app.route('/tweet_new_item')
def tweet_new_item():
google_api_key = config_get('google_api_key')
api = tweepy_api()
if not api:
return ''
count = 0
for item in Item.all().filter('tweeted =', None):
try:
if item.pieces == 0 or not item.page:
item.tweeted = datetime.datetime.now()
item.put()
continue
except db.ReferencePropertyResolveError:
item.delete()
continue
preamble = u'被災地必要物資:'
item_name = item.name
owner_name = ' ' + item.page.owner_name
url = shorten.google(
'http://www.amazon.co.jp/registry/wishlist/' + item.page.key().name(),
google_api_key,
)
postamble = u' 一覧http://t.co/CRfM4Zy'
n = len(preamble) + len(item_name) + len(owner_name) + len(url) + len(postamble)- 140
if n > 0:
item_name = item_name[:70] + u'…'
n = len(preamble) + len(item_name) + len(owner_name) + len(url) + len(postamble)- 140
if n > 0:
n -= 2
owner_name = owner_name[:-n] + u'…'
text = preamble + item_name + owner_name + url + postamble
try:
api.update_status(text)
except tweepy.TweepError:
pass
item.tweeted = datetime.datetime.now()
item.put()
count += 1
return str(count)