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landing.py
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landing.py
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#!/usr/bin/env python
# waterlol landing page
# Amir Sayed Khader, Qifan Xi
# askhader@uwaterloo.ca, qxi@uwaterloo.ca
import os, logging, base64, re
import cgi
from google.appengine.ext import webapp
from google.appengine.ext.webapp import template
from google.appengine.ext.webapp.util import run_wsgi_app
from google.appengine.ext import db
from google.appengine.api import memcache
from meem_models import Template, get_all_templates, get_template_by_id,\
get_all_template_ids, create_template, create_meme, get_meme_by_id, code_is_valid,\
BetaTicket, get_all_memes
class LandingPortal(webapp.RequestHandler):
def get(self):
# disable caching for landing portal HTML (images still cached)
# maintains freshness when user uploads new template
self.response.headers['Cache-Control']="no-cache"
template_uid = self.request.get('tuid')
templates = get_all_templates()
template_data = {
'templates': templates,
'template_uid': template_uid
}
path = os.path.join(os.path.dirname(__file__), 'html/index.html')
self.response.out.write(template.render(path, template_data))
dataURLPattern = re.compile('data:image/(png|jpeg);base64,(.*)$')
def post(self):
"""Meme Upload Handler"""
theMeme = self.request.get('meme')
top = self.request.get('top')
bottom = self.request.get('bottom')
template_uid = self.request.get('tuid')
theMeme64 = self.dataURLPattern.match(theMeme).group(2)
m = create_meme(top,bottom,base64.b64decode(theMeme64),template_uid)
self.redirect('/m' + m.uid)
class ShowMeme(webapp.RequestHandler):
def get(self, meme_id):
m = get_meme_by_id(meme_id)
logging.info(m)
if m is None:
self.redirect('/')
return
meme_relurl = 'serve?t=m&id='+meme_id;
meme_absurl = 'http://dev.waterlol.com/serve?t=m&id=' + meme_id # temporary. make this dynamic before release
page_url = self.request.url;
meme_data = {
'meme_relurl': meme_relurl,
'meme_author' : 'N/A',
'meme_absurl': cgi.escape(meme_absurl),
'page_url' : cgi.escape(page_url),
'page_href' : cgi.escape('<a href="' + page_url + '">meme!</a>'),
'meme_img' : cgi.escape('<img src="' + meme_absurl + '" / >'),
'template_uid': m.template_uid
}
path = os.path.join(os.path.dirname(__file__), 'html/meme.html')
self.response.out.write(template.render(path, meme_data))
class ServeImage(webapp.RequestHandler):
def get(self):
self.response.headers.add_header("Expires", "Thu, 01 Dec 2014 16")
self.response.headers['Cache-Control']="public, max-age=3660000"
image_type = self.request.get('t')
img_id = self.request.get('id')
scale = self.request.get('s')
if image_type == 't': # template requested
t = get_template_by_id(img_id)
if scale == 't': #thumbnail requested
self.response.headers['Content-Type'] = 'image/jpeg'
self.response.out.write(t.thumb)
else:
self.response.headers['Content-Type'] = 'image/png'
self.response.out.write(t.img)
elif image_type == 'm': # meme requested
m = get_meme_by_id(img_id)
if scale !='t': #thumb
self.response.headers['Content-Type'] = 'image/jpeg'
self.response.out.write(m.meme)
else:
self.response.headers['Content-Type'] = 'images/jpeg'
self.response.out.write(m.thumb)
class AddTemplate(webapp.RequestHandler):
def get(self):
status = self.request.get('s')
template_values = {}
template_values['status'] = '<h1 style="color: green;">Success</h1>' if status == 's' else ''
path = os.path.join(os.path.dirname(__file__), 'html/addTemplate.html')
self.response.out.write(template.render(path, template_values))
def post(self):
t_img = self.request.get('template')
t_name = self.request.get('name')
code = self.request.get('code')
if code_is_valid(code):
create_template(t_name, t_img)
self.redirect('/addTemplate?s=s')
else:
self.redirect('/addTemplate')
class MemeGallery(webapp.RequestHandler):
def get(self):
# disable caching for meme gallery HTML (images still cached)
self.response.headers['Cache-Control']="no-cache"
memes = get_all_memes()
logging.info(memes)
template_values = { 'memes': memes }
path = os.path.join(os.path.dirname(__file__), 'html/meme_gallery.html')
self.response.out.write(template.render(path, template_values))
def main():
application = webapp.WSGIApplication([
(r'/', LandingPortal),
(r'/m(.*)', ShowMeme),
(r'/r', MemeGallery),
(r'/addMeme', LandingPortal),
(r'/serve', ServeImage),
(r'/addTemplate', AddTemplate),
(r'/procTemplate', AddTemplate)],
debug=False)
run_wsgi_app(application)
if __name__ == "__main__":
main()