telnet

[vagrant@localhost]$ sudo yum -y install telnet
Trying 35.160.185.106...
Connected to www.udacity.com.
Escape character is '^]'.
GET / HTTP/1.0
Host: www.example.com

HTTP/1.1 302 Found
Cache-Control: no-cache
Location: https://www.example.com/
Content-Length: 0
Connection: Close

input form

<form action="http://www.google.com/search">
  <input name="q">
  <input type="submit">
</form>

play.py

import webapp2

class MainPage(webapp2.RequestHandler):
    def get(self):
        self.response.headers['Content-Type'] = 'text/plain'
        self.response.out.write('Hello, webapp World!')

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

ダブルクォーテーション3つでくくると、複数行に渡る文字列を記述することができる。

import webapp2

form="""
<form action="http://www.google.com/search">
  <input name="q">
  <input type="submit">
</form>
"""

class MainPage(webapp2.RequestHandler):
    def get(self):
        #self.response.headers['Content-Type'] = 'text/plain'
        self.response.out.write('Hello, webapp World!')

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

form parameter

<form>
  <input type="radio" name="q" value="one">
  <input type="radio" name="q" value="two">
  <input type="radio" name="q" value="third">
  <br>
  <input type="submit">
</form>

<form>
    <label>
        one
        <input typ\e="radio" name="q" value="one">
    </label>
    <label>
        two
        <input type="radio" name="q" value="two">
    </label>
    <label>
        three
        <input type="radio" name="q" value="third">
    </label>
  <br>
  <input type="submit">
</form>

select

<form>
    <select name="q">
        <option value="1">the number one</option>
        <option>two</option>
        <option>three</option>
    </select>
  <br>
  <input type="submit">
</form>

User validation

import webapp2

form="""
<form method="post">
  What is your birthday?
  <br>
  <label>Month
  <input type="text" name="month">
  </label>
  <label>Day
  <input type="text" name="day">
  </label>
  <label>Year
  <input type="text" name="year">
  </label>

  <br>
  <br>
  <input type="submit">
</form>
"""

class MainPage(webapp2.RequestHandler):
    def get(self):
        self.response.out.write(form)

    def post(self):
        self.response.out.write("Thanks! That's a totally valid day!")

app = webapp2.WSGIApplication([('/', MainPage),('/testform', TestHandler)],
    debug=True)