How to Access POST and GET Variables in Python?

Manipulating POST and GET Variables in Python

Unlike PHP's simplified handling of POST and GET variables, Python requires the use of frameworks or libraries for seamless data retrieval.

Raw CGI

For basic handling, employ the import cgi module:

<code class="python">import cgi
form = cgi.FieldStorage()
print form["username"]</code>

Django, Pylons, Flask, or Pyramid

These frameworks offer specialized request objects:

<code class="python">print request.GET['username'] # GET form method
print request.POST['username'] # POST form method</code>

Turbogears, Cherrypy

In Turbogears and Cherrypy, utilize the request.params attribute:

<code class="python">from cherrypy import request
print request.params['username']</code>

Web.py

Web.py employs the input function:

<code class="python">form = web.input()
print form.username</code>

Werkzeug

Werkzeug provides the form attribute:

<code class="python">print request.form['username']</code>

Cherrypy and Turbogears Custom Handlers

Declare handler functions with parameter placeholders:

<code class="python">def index(self, username):
    print username</code>

Google App Engine

Within a handler class, use the get method:

<code class="python">class SomeHandler(webapp2.RequestHandler):
    def post(self):
        name = self.request.get('username')
        self.response.write(name)</code>

Framework Considerations

Depending on your application requirements, select a suitable framework or library to facilitate efficient handling of POST and GET variables.

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