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helpers.py
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helpers.py
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import os
import datetime
import random
from google.appengine.ext.webapp import template
from google.appengine.api.labs import taskqueue
from google.appengine.api import memcache
from google.appengine.api import users
import models
import twitter
import logging
import functools
def cached(name, timeout=60):
def wrapper(method):
@functools.wraps(method)
def inner(*args, **kwargs):
cachename = name+str(args)+str(sorted(kwargs.items()))
data = memcache.get(cachename)
if not data:
logging.info("CACHE MISS for "+cachename)
data = method(*args, **kwargs)
memcache.set(cachename, data, timeout)
return data
return inner
return wrapper
def set_content_type(content_type):
def wrapper(method):
@functools.wraps(method)
def wrapper(self, *args, **kwargs):
self.response.headers["Content-Type"] = content_type
return method(self, *args, **kwargs)
return wrapper
return wrapper
def write_response(method):
@functools.wraps(method)
def wrapper(self, *args, **kwargs):
self.response.out.write(method(self, *args, **kwargs))
return wrapper
def render_admin_template(self, end_point, template_values):
user = users.get_current_user()
if user:
template_values['greeting'] = ("Welcome, %s! (<a href=\"%s\">sign out</a>)" %
(user.nickname(), users.create_logout_url("/admin/")))
return render_template(self, end_point, template_values)
def render_template(self, end_point, template_values):
path = os.path.join(os.path.dirname(__file__), "templates/" + end_point)
return template.render(path, template_values)
def fetch_snow_tweets():
logging.info("Fetching tweets for tag #uksnow")
key = 'uksnow'
feeditemcount = 1
latest_cached = 0
since_id = models.get_from_keystore(key)
tweets = twitter.get_twitter_search('uksnow&filter=links', since_id)
for tweet in tweets['results']:
if feeditemcount == 1:
try:
latest_cached = str(tweet['id'])
except:
latest_cached = 0
taskqueue.add(url='/services/store_tweet', params={
'userid': tweet['from_user_id'],
'username': tweet['from_user'],
'imgurl': tweet['profile_image_url'],
'message': tweet['text'],
'messageid': tweet['id'],
'message_created': tweet['created_at'],
'geo': tweet['geo'],
})
feeditemcount +=1
if latest_cached > 0:
models.add_to_keystore(key, latest_cached)
def markup_message(message, query):
if "http://" in message.lower():
messageelements = message.split(" ")
newmessageelements = []
for messageelement in messageelements:
if messageelement[0:7].lower() == "http://":
newmessageelements.append("<a href='"+ messageelement +"' target='_new'>"+ messageelement +"</a>")
else:
newmessageelements.append(messageelement)
markedupmessage = " ".join(newmessageelements)
else:
markedupmessage = message
if "@" in markedupmessage:
messageelements = markedupmessage.split(" ")
newmessageelements = []
for messageelement in messageelements:
if messageelement[0:1].lower() == "@":
if len(messageelement) > 1:
newmessageelements.append("<a href='http://twitter.com/"+ messageelement[1: len(messageelement)] +"' target='_new'>"+ messageelement +"</a>")
else:
newmessageelements.append(messageelement)
markedupmessage = " ".join(newmessageelements)
if "#" in markedupmessage:
messageelements = markedupmessage.split(" ")
newmessageelements = []
for messageelement in messageelements:
if messageelement[0:1].lower() == "#":
if len(messageelement) > 1:
newmessageelements.append("<a href='http://search.twitter.com/search?q=%23"+ messageelement[1: len(messageelement)] +"'>"+ messageelement +"</a>")
else:
newmessageelements.append(messageelement)
markedupmessage = " ".join(newmessageelements)
return markedupmessage
def monthname_to_month(monthname):
month = 1
if monthname == "Jan":
month = 1
if monthname == "Feb":
month = 2
if monthname == "Mar":
month = 3
if monthname == "Apr":
month = 4
if monthname == "May":
month = 5
if monthname == "Jun":
month = 6
if monthname == "Jul":
month = 7
if monthname == "Aug":
month = 8
if monthname == "Sep":
month = 9
if monthname == "Oct":
month = 10
if monthname == "Nov":
month = 11
if monthname == "Dec":
month = 12
return month
#def convert_twitter_datetime(theirdatetime):
# thisdatetime = datetime.datetime(int(theirdatetime[26: 30]), monthname_to_month(theirdatetime[4: 7]), int(theirdatetime[8: 10]), int(theirdatetime[11: 13]), int(theirdatetime[14: 16]), int(theirdatetime[17: 19]))
# return thisdatetime
def convert_twitter_datetime(theirdatetime):
thisdatetime = datetime.datetime(int(theirdatetime[12: 16]), monthname_to_month(theirdatetime[8: 11]), int(theirdatetime[5: 7]), int(theirdatetime[17: 19]), int(theirdatetime[20: 22]), int(theirdatetime[23: 25]))
return thisdatetime