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main.py
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main.py
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# -*- coding: utf-8 -*-
import logging
import sys
sys.path[0:0] = ['distlib']
import os
from google.appengine.api import users
from google.appengine.ext import webapp
#from google.appengine.ext.webapp.template import render
from google.appengine.ext.webapp.util import run_wsgi_app
from google.appengine.api import images
from wtforms import validators
from wtforms.ext.appengine.db import model_form
from models import *
from utils import render
# Forms
post = Post()
error_message = u'Это поле обязательно для заполнения.'
PostForm = model_form(Post, only=('title', 'slug', 'content', 'published'), field_args={
'title': {
'validators': [validators.Required(message = error_message)],
'label': u'Заголовок'
}, 'slug': {
'validators': [validators.Required(message = error_message)],
'label': u'Слаг'
}, 'content': {
'validators': [validators.Required(message = error_message)],
'label': u'Тело статьи'
}, 'published': {
'label': u'Опубликовать'
}
})
# Handlers
class MainHandler(webapp.RequestHandler):
def get(self):
posts = Post.all()
posts.filter('published =', True).order('-date_posted').fetch(10)
context = {
#'user': user,
'posts': posts[:10],
'login': users.create_login_url(self.request.uri),
'logout': users.create_logout_url(self.request.uri),
}
render(self, 'index.html', context)
class PostHandler(webapp.RequestHandler):
def get(self, *args, **kwargs):
post = db.Query(Post).filter('slug =', args[2]).get()
context = {
'post': post
}
admin = users.is_current_user_admin()
if admin:
context['is_admin'] = admin
render(self, 'post_item.html', context)
def delete(self):
post = db.get(self.request.get('post_id'))
if post:
post.delete()
context = {}
render(self, 'post_del.html', context)
else:
self.error(404)
class EditPostHandler(webapp.RequestHandler):
def get(self):
id = int(self.request.get('id'))
post = Post.get(db.Key.from_path('Post', id))
data = {}
form = PostForm(data=data, obj=post)
context = {
'form': form
}
render(self, 'post_add.html', context)
def post(self):
self.redirect("/")
class PostsHandler(webapp.RequestHandler):
def get(self):
user = users.get_current_user()
if not user:
self.redirect(users.create_login_url(self.request.uri))
return
form = PostForm()
context = {
'form': form
}
render(self, 'post_add.html', context)
def post(self):
form = PostForm(self.request.POST)
#print self.request.POST['tags'].split(','), dir(form)
if form.validate():
post.title = self.request.get('title')
post.slug = self.request.get('slug')
post.content = self.request.get('content')
post.published = bool(self.request.get('published', False))
post.put()
# Insert tags to tag and recount it if tag exist in model
if self.request.POST['tags']:
for tag_name in self.request.POST['tags'].split(','):
tag = Tag()
tag.post = post
tag.name = tag_name
tag.put()
try:
tag_exist = db.GqlQuery("SELECT * FROM Tags WHERE name = :1 ", tag_name)
tags = tag_exist.get()
#logging.info('Tag is in db.')
tags.count += 1
except:
tags = Tags()
tags.name = tag_name
tags.count = 1
logging.info('Tag is not in db.')
tags.put()
image = self.request.get('image')
if image:
photo = Photo()
photo.post = post
photo.image_full_size = db.Blob(image)
image = images.resize(image, 250, 350)
photo.image = db.Blob(image)
photo.title = self.request.get('image_title') or image
photo.put()
self.redirect("/")
else:
context = {
'form': form
}
render(self, 'post_add.html', context)
class ImageHandler(webapp.RequestHandler):
def get(self):
photo = db.get(self.request.get("img_id"))
if photo.image:
self.response.headers['Content-Type'] = "image/png"
self.response.out.write(photo.image)
else:
self.response.out.write("No image")
class TagHandler(webapp.RequestHandler):
def get(self, *args):
posts = db.Query(Tag).filter('name =', args[0]).get()
context = {
'posts': posts,
}
render(self, 'index.html', context)
def main():
logging.getLogger().setLevel(logging.DEBUG)
application = webapp.WSGIApplication([
('/', MainHandler),
('/post', PostsHandler),
('/edit', EditPostHandler),
('/(\d\d\d\d)/(\d\d)/([-\w]+)', PostHandler),
('/img', ImageHandler),
('/tag/([-\w]+)', TagHandler),
], debug=True)
run_wsgi_app(application)
if __name__ == '__main__':
main()