Perform addition and subtraction using CherryPy
Last Updated :
01 Oct, 2020
CherryPy also known as a web application library is a Python web framework that provides a friendly interface to the HTTP protocol for Python developers. It allows developers to build web applications the same way as in traditional object-oriented Python programs. Thereby, resulting in smaller source code developed in no time.
This framework is mainly for the developers who want to create a portable database-driven web application using Python, as it provides Create, Retrieve, Update and Delete functionalities.
The basic requirements for the installation of CherryPy include:
- Python with version 2.4 or above
- Cherrypy 3.0
Installation
To install cherrypy run the following command in terminal:
pip install cherrypy
Approach:
- Create user interface to take input from user.
- Write cherrypy program to perform required operations
HTML code to take input from the user-
HTML
<html>
<head>
</head>
<body>
<div class="container">
<h2><u><i>Operation</i></u></h2>
<form action="store" id="form" method="GET">
<input type="number" name="number1" /><br />
<input type="number" name="number2" /><br />
<input style="margin-left: 250px;" id=" submit" type="submit"/></div>
</div>
</form>
</div>
</body>
</html>
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Cherrypy code for addition
Python3
import cherrypy
class Root(object):
@cherrypy.expose
def index(self):
return
@cherrypy.expose
def store(self, number1, number2):
num1=int(number1)
num2=int(number2)
answer=num1+num2
out=
return out % (str(answer))
@cherrypy.expose
def shutdown(self):
cherrypy.engine.exit()
if __name__=="__main__":
cherrypy.config.update({'server.socket_port': 8087})
cherrypy.quickstart(Root())
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Output:
Code for subtraction
Python3
import cherrypy
class Root(object):
@cherrypy.expose
def index(self):
return
@cherrypy.expose
def store(self, number1, number2):
num1=int(number1)
num2=int(number2)
answer=num1-num2
out=
return out % (str(answer))
@cherrypy.expose
def shutdown(self):
cherrypy.engine.exit()
if __name__=="__main__":
cherrypy.config.update({'server.socket_port': 8087})
cherrypy.quickstart(Root())
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Output:
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