appData

import webapp2
import cgi
import codecs

form = """
<form method = "post" >
    What would you like to encode?
    <br>
        <textarea name="text" cols= "50" rows= "4" wrap= "soft">%(text)s</textarea>
    <br>

    <div style="color : red">%(error)s</div>
    <br>
    <br>
    <input type = 'submit'>
    </form>
    """


def valid_text(text):
    text = text.encode('rot13')
    return text



def escape_html(s):
    return cgi.escape(s, quote = True)


class MainPage(webapp2.RequestHandler):
    def write_form(self, error = "", text = ""):
        self.response.out.write(form % {"error": error,
                                        "text": escape_html(text)
                                        })



    def get(self):
        self.write_form()

    def post(self):
        user_text = self.request.get('text')
        text = valid_text(user_text)
        encoded_text = text


        if not (text):
            self.write_form("It appears you have left something blank.",
                            user_text)
        else:

            self.write_form(self, text)




class ThanksHandler(webapp2.RequestHandler):
    def get(self):
        self.response.out.write("Thanks for that totally valid date!!!")

app = webapp2.WSGIApplication([('/', MainPage),
                               ('/thanks', ThanksHandler)] ,
                                 debug = True)