SampleSyncAdapter sample code.
This commit is contained in:
Megha Joshi
273
samples/SampleSyncAdapter/samplesyncadapter_server/dashboard.py
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273
samples/SampleSyncAdapter/samplesyncadapter_server/dashboard.py
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#!/usr/bin/python2.5
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# Copyright (C) 2010 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations under
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# the License.
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"""Defines Django forms for inserting/updating/viewing data
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to/from SampleSyncAdapter datastore."""
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import cgi
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import datetime
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import os
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from google.appengine.ext import db
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from google.appengine.ext import webapp
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from google.appengine.ext.webapp import template
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from google.appengine.ext.db import djangoforms
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from model import datastore
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import wsgiref.handlers
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class UserForm(djangoforms.ModelForm):
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"""Represents django form for entering user info."""
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class Meta:
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model = datastore.User
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class UserInsertPage(webapp.RequestHandler):
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"""Inserts new users. GET presents a blank form. POST processes it."""
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def get(self):
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self.response.out.write('<html><body>'
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'<form method="POST" '
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'action="/add_user">'
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'<table>')
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# This generates our shopping list form and writes it in the response
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self.response.out.write(UserForm())
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self.response.out.write('</table>'
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'<input type="submit">'
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'</form></body></html>')
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def post(self):
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data = UserForm(data=self.request.POST)
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if data.is_valid():
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# Save the data, and redirect to the view page
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entity = data.save(commit=False)
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entity.put()
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self.redirect('/users')
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else:
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# Reprint the form
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self.response.out.write('<html><body>'
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'<form method="POST" '
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'action="/">'
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'<table>')
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self.response.out.write(data)
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self.response.out.write('</table>'
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'<input type="submit">'
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'</form></body></html>')
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class UserEditPage(webapp.RequestHandler):
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"""Edits users. GET presents a form prefilled with user info
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from datastore. POST processes it."""
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def get(self):
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id = int(self.request.get('user'))
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user = datastore.User.get(db.Key.from_path('User', id))
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self.response.out.write('<html><body>'
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'<form method="POST" '
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'action="/edit_user">'
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'<table>')
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# This generates our shopping list form and writes it in the response
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self.response.out.write(UserForm(instance=user))
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self.response.out.write('</table>'
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'<input type="hidden" name="_id" value="%s">'
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'<input type="submit">'
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'</form></body></html>' % id)
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def post(self):
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id = int(self.request.get('_id'))
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user = datastore.User.get(db.Key.from_path('User', id))
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data = UserForm(data=self.request.POST, instance=user)
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if data.is_valid():
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# Save the data, and redirect to the view page
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entity = data.save(commit=False)
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entity.updated = datetime.datetime.utcnow()
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entity.put()
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self.redirect('/users')
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else:
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# Reprint the form
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self.response.out.write('<html><body>'
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'<form method="POST" '
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'action="/edit_user">'
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'<table>')
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self.response.out.write(data)
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self.response.out.write('</table>'
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'<input type="hidden" name="_id" value="%s">'
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'<input type="submit">'
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'</form></body></html>' % id)
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class UsersListPage(webapp.RequestHandler):
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"""Lists all Users. In addition displays links for editing user info,
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viewing user's friends and adding new users."""
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def get(self):
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users = datastore.User.all()
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template_values = {
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'users': users
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}
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path = os.path.join(os.path.dirname(__file__), 'templates', 'users.html')
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self.response.out.write(template.render(path, template_values))
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class UserCredentialsForm(djangoforms.ModelForm):
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"""Represents django form for entering user's credentials."""
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class Meta:
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model = datastore.UserCredentials
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class UserCredentialsInsertPage(webapp.RequestHandler):
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"""Inserts user credentials. GET shows a blank form, POST processes it."""
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def get(self):
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self.response.out.write('<html><body>'
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'<form method="POST" '
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'action="/add_credentials">'
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'<table>')
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# This generates our shopping list form and writes it in the response
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self.response.out.write(UserCredentialsForm())
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self.response.out.write('</table>'
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'<input type="submit">'
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'</form></body></html>')
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def post(self):
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data = UserCredentialsForm(data=self.request.POST)
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if data.is_valid():
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# Save the data, and redirect to the view page
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entity = data.save(commit=False)
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entity.put()
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self.redirect('/users')
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else:
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# Reprint the form
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self.response.out.write('<html><body>'
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'<form method="POST" '
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'action="/add_credentials">'
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'<table>')
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self.response.out.write(data)
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self.response.out.write('</table>'
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'<input type="submit">'
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'</form></body></html>')
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class UserFriendsForm(djangoforms.ModelForm):
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"""Represents django form for entering user's friends."""
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class Meta:
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model = datastore.UserFriends
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exclude = ['deleted', 'username']
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class UserFriendsInsertPage(webapp.RequestHandler):
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"""Inserts user's new friends. GET shows a blank form, POST processes it."""
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def get(self):
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user = self.request.get('user')
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self.response.out.write('<html><body>'
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'<form method="POST" '
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'action="/add_friend">'
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'<table>')
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# This generates our shopping list form and writes it in the response
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self.response.out.write(UserFriendsForm())
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self.response.out.write('</table>'
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'<input type = hidden name = "user" value = "%s">'
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'<input type="submit">'
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'</form></body></html>' % user)
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def post(self):
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data = UserFriendsForm(data=self.request.POST)
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if data.is_valid():
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user = self.request.get('user')
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# Save the data, and redirect to the view page
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entity = data.save(commit=False)
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entity.username = user
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query = datastore.UserFriends.all()
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query.filter('username = ', user)
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query.filter('friend_handle = ', entity.friend_handle)
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result = query.get()
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if result:
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result.deleted = False
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result.updated = datetime.datetime.utcnow()
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result.put()
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else:
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entity.deleted = False
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entity.put()
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self.redirect('/user_friends?user=' + user)
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else:
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# Reprint the form
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self.response.out.write('<html><body>'
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'<form method="POST" '
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'action="/add_friend">'
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'<table>')
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self.response.out.write(data)
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self.response.out.write('</table>'
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'<input type="submit">'
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'</form></body></html>')
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class UserFriendsListPage(webapp.RequestHandler):
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"""Lists all friends for a user. In addition displays links for removing
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friends and adding new friends."""
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def get(self):
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user = self.request.get('user')
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query = datastore.UserFriends.all()
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query.filter('deleted = ', False)
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query.filter('username = ', user)
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friends = query.fetch(50)
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template_values = {
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'friends': friends,
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'user': user
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}
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path = os.path.join(os.path.dirname(__file__),
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'templates', 'view_friends.html')
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self.response.out.write(template.render(path, template_values))
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class DeleteFriendPage(webapp.RequestHandler):
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"""Processes delete friend request."""
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def get(self):
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user = self.request.get('user')
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friend = self.request.get('friend')
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query = datastore.UserFriends.all()
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query.filter('username =', user)
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query.filter('friend_handle =', friend)
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result = query.get()
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result.deleted = True
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result.updated = datetime.datetime.utcnow()
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result.put()
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self.redirect('/user_friends?user=' + user)
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def main():
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application = webapp.WSGIApplication(
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[('/add_user', UserInsertPage),
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('/users', UsersListPage),
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('/add_credentials', UserCredentialsInsertPage),
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('/add_friend', UserFriendsInsertPage),
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('/user_friends', UserFriendsListPage),
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('/delete_friend', DeleteFriendPage),
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('/edit_user', UserEditPage)
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],
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debug=True)
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wsgiref.handlers.CGIHandler().run(application)
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if __name__ == '__main__':
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main()
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