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main.py.py
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main.py.py
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#!/usr/bin/env python
import webapp2
import jinja2
import os
import datetime
import re
from google.appengine.ext import db
from google.appengine.ext.webapp import template
from google.appengine.api import users
from google.appengine.api import app_identity
from datetime import datetime
template_dir = os.path.join(os.path.dirname(__file__),'templates')
jinja_env = jinja2.Environment(loader = jinja2.FileSystemLoader(template_dir))
def render_str(template, **params):
t = jinja_env.get_template(template)
return t.render(params)
class Blog(webapp2.RequestHandler):
def get(self):
login_url = users.create_login_url(self.request.uri)
logout_url = users.create_logout_url(self.request.uri)
posts = db.GqlQuery("SELECT * FROM Post ORDER BY adddate DESC LIMIT 10")
posts_dic = {"posts" : posts, "login_url": login_url, "logout_url": logout_url}
self.response.out.write(render_str('blog.html', **posts_dic))
class Readmore(webapp2.RequestHandler):
def get(self):
ptime = self.request.get('time')
psubject = self.request.get('subject')
pcontent = self.request.get('content')
ptag = self.request.get('tag')
post = Post(title=psubject,body=pcontent,tag=ptag,time=ptime)
posts = [post]
posts_dic = {"posts": posts}
self.response.out.write(render_str('readmore.html', **posts_dic))
class Search(webapp2.RequestHandler):
def get(self):
stag=self.request.get("tag")
posts = db.GqlQuery("SELECT * FROM Post WHERE tagli=:1 ORDER BY adddate DESC LIMIT 10" ,stag )
posts_dic = {"posts": posts, "stag":stag}
self.response.out.write(render_str('search.html', **posts_dic))
class Searcholder(webapp2.RequestHandler):
def get(self):
stag=self.request.get("tag")
posts = db.GqlQuery("SELECT * FROM Post WHERE tagli=:1 ORDER BY adddate DESC" ,stag )
posts_dic = {"posts": posts}
self.response.out.write(render_str('searcholder.html', **posts_dic))
class Older(webapp2.RequestHandler):
def get(self):
posts = db.GqlQuery("SELECT * FROM Post ORDER BY adddate DESC")
posts_dic = {"posts" : posts}
self.response.out.write(render_str('older.html', **posts_dic))
class Rss(webapp2.RequestHandler):
def get(self):
self.response.headers['Content-Type'] = 'text/xml'
logout_url = users.create_logout_url(self.request.uri)
server_url = app_identity.get_default_version_hostname()
posts = db.GqlQuery("SELECT * FROM Post ORDER BY adddate DESC LIMIT 10")
posts_dic = {"posts" : posts, "logout_url": logout_url, "server_url": server_url}
self.response.out.write(render_str('rss.xml', **posts_dic))
class Create(webapp2.RequestHandler):
def get(self):
user = users.get_current_user()
if user:
self.response.out.write(render_str('create.html'))
else:
greeting = ('<a href="%s">Sign in or register</a>.' %
users.create_login_url('/'))
self.response.out.write('<html><body>%s</body></html>' % greeting)
def post(self):
user = users.get_current_user().nickname()
subject = self.request.get('subject')
content = self.request.get('content')
briefs = content[0:500]
tags = self.request.get('tags')
tagst = tags.split(',')
tagsli=[]
for t in tagst:
tt=t.encode('ascii','ignore')
tagsli.append(tt)
time = unicode(datetime.now().replace(microsecond=0))
images = self.request.get('img').encode('ascii','ignore')
imaget = db.Blob(images)
blog_post = Post(author= user, title=subject, body=content, tag=tags,tagli=tagsli,brief=briefs,time=time, image=imaget)
blog_post.put()
self.redirect('/')
class Edit(webapp2.RequestHandler):
def get(self):
user = users.get_current_user()
pauthor = self.request.get('author')
ptime = self.request.get('time')
psubject = self.request.get('subject')
pcontent = self.request.get('content')
ptag = self.request.get('tag')
ptagt = ptag.split(',')
ptagli=[]
for t in ptagt:
tt=t.encode('ascii','ignore')
ptagli.append(tt)
pbrief = self.request.get('brief')
if user:
if (user.nickname() == pauthor):
post = Post(author =pauthor,title=psubject,body=pcontent,tag=ptag,tagli=ptagli,brief=pbrief,time=ptime)
posts = [post]
posts_dic = {"posts" : posts}
self.response.out.write(render_str('edit.html', **posts_dic))
else:
back = ('<a href="/">Back to Home</a>')
self.response.out.write('<html><body>You can not edit post written by someone else! <br/>%s</body></html>' %back)
else:
greeting = ('<a href="%s">Sign in or register</a>.' %
users.create_login_url('/'))
self.response.out.write('<html><body>%s</body></html>' % greeting)
def post(self):
user = users.get_current_user().nickname()
subject = self.request.get('subject')
content = self.request.get('content')
briefs = content[0:500]
tags = self.request.get('tags')
time = unicode(datetime.now().replace(microsecond=0))
blog_post = Post(title=subject, body=content, tag=tags,brief=briefs,time=time,author = user)
blog_post.put()
self.redirect('/')
class Post(db.Model):
author = db.StringProperty()
title = db.StringProperty(required=True)
body = db.TextProperty(required=True)
brief = db.TextProperty()
tag = db.StringProperty()
tagli = db.StringListProperty()
adddate = db.DateTimeProperty(auto_now_add=True)
time = db.StringProperty()
image = db.BlobProperty()
application = webapp2.WSGIApplication([
('/', Blog),
('/create', Create),
('/rss', Rss),
('/older', Older),
('/edit', Edit),
('/search', Search),
('/searcholder',Searcholder),
('/readmore',Readmore)
], debug=True)