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main.py
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main.py
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#!/usr/bin/env python
#
# Copyright 2007 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import webapp2
import string
import os
import jinja2
import helpers
from webapp2_extras.routes import RedirectRoute
# Declare Jinja directory and environment
template_dir=os.path.join(os.path.dirname(__file__),'templates')
jinja_env=jinja2.Environment(loader=jinja2.FileSystemLoader(template_dir),autoescape=True)
#
# Superclass Handler that provides helper methods for shorthand response writes
# and Jinja template writes.
#
class Handler(webapp2.RequestHandler):
def write(self,*a,**kw):
self.response.out.write(*a,**kw)
def render(self,template,**kw):
self.write(self.render_str(template,**kw))
def render_str(self, template,**params):
t=jinja_env.get_template(template)
return t.render(params)
#
# Homepage Handler for displaying links to various modules
#
class MainHandler(Handler):
def get(self):
self.render("home.html")
#
# Birthday Handler for handling date validation module
#
class BirthdayHandler(Handler):
def write_form(self, error="", month="", day="", year=""):
self.render("birthday.html", error=error,
month=month,
day=day,
year=year)
def get(self):
self.write_form()
def post(self):
user_month = self.request.get('month')
user_day = self.request.get('day')
user_year = self.request.get('year')
month = helpers.valid_month(self.request.get('month'))
day = helpers.valid_day(self.request.get('day'))
year = helpers.valid_year(self.request.get('year'))
if not (month and day and year):
self.write_form("That doesn't look valid to me, friend.",
user_month,
user_day,
user_year)
else:
self.redirect('/thanks')
#
# Thanks Handler for handling acceptable inputted date from date validation module
#
class ThanksHandler(webapp2.RequestHandler):
def get(self):
self.response.out.write("Thanks! That's a totally valid day!")
#
# Rot13 Handler for handling Rot13 encoding/decoding for a block of text
#
class Rot13Handler(Handler):
def write_form(self, input=""):
self.render("rot13.html", input=input)
def get(self):
self.write_form()
def post(self):
translated_text = self.request.get('text').encode('rot13')
self.write_form(translated_text)
#
# Signup Handler for handling user signup validation module
#
class SignupHandler(Handler):
def write_form(self, username="", password="", verify="", email="",
username_error="", password_error="", verify_error="",
email_error=""):
self.render("signup.html", username=username,
password=password,
verify=verify,
email=email,
username_error=username_error,
password_error=password_error,
verify_error=verify_error,
email_error=email_error)
def get(self):
self.write_form()
def post(self):
user_username = self.request.get('username')
user_password = self.request.get('password')
user_verify = self.request.get('verify')
user_email = self.request.get('email')
username_error = helpers.check_username(user_username)
password_error = helpers.check_password(user_password)
verify_error = ''
if not password_error:
verify_error = helpers.check_verify(user_verify, user_password)
email_error = helpers.check_email(user_email)
if (username_error or password_error or verify_error or email_error):
self.write_form(user_username, '', '',
user_email, username_error, password_error, verify_error,
email_error)
else:
self.redirect('/welcome?username=%s' % user_username)
#
# Welcome Handler for handling acceptable user signup credentials
#
class WelcomeHandler(webapp2.RequestHandler):
def get(self):
self.response.out.write("Welcome, %s!" % self.request.get('username'))
#
# URL routes to specific handlers
#
app = webapp2.WSGIApplication([RedirectRoute('/', MainHandler, name='home', strict_slash=True),
RedirectRoute('/birthday/', BirthdayHandler, name='birthday', strict_slash=True),
RedirectRoute('/thanks/', ThanksHandler, name='thanks', strict_slash=True),
RedirectRoute('/rot13/', Rot13Handler, name='rot13', strict_slash=True),
RedirectRoute('/signup/', SignupHandler, name='signup', strict_slash=True),
RedirectRoute('/welcome/', WelcomeHandler, name='welcome', strict_slash=True)],
debug=True)