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How to perform multiplication using CherryPy in Python?

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  • Difficulty Level : Basic
  • Last Updated : 25 Oct, 2020
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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

To install cherrypy run the following command in terminal:

pip install cherrypy

Approach:

  • Create a user interface to take input from the user.
  • Write cherrypy program to perform required operations

HTML code to create a user interface to take input from the user:

HTML




<html>
   
<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>

Cherrypy code for multiplication

Python3




import cherrypy
  
  
class Root(object):
  
    @cherrypy.expose
    def index(self):
        return """<html> 
<head> 
  
</head> 
<body> 
  
<div class="container"> 
    <h2><u><i>Multiplication</i></u></h2> 
    <form action="store" id="form" method="GET"> 
    <input type="number" name="num1" /><br /> 
    <input type="number" name="num2" /><br /> 
  
  
    <input style="margin-left: 250px;" id=" submit" type="submit"/></div> 
</div>
    </form> 
</div> 
  
</body> 
</html>"""
  
    @cherrypy.expose
    def store(self, num1, num2):
  
        mul1 = int(num1)
        mul2 = int(num2)
  
        result = mul1*mul2
  
        out = """<html> 
        <body> 
          
          
  
<p> Sum: %s</p>
   
  
          
          
        <a style="color:red; font-size:35px;" id="shutdown"; href="./shutdown"><i>Shutdown Server</i></a> 
        </body> 
        </html> 
          
        """
  
        return out % (result)
  
    @cherrypy.expose
    def shutdown(self):
        cherrypy.engine.exit()
  
  
if __name__ == "__main__":
    cherrypy.config.update({'server.socket_port': 8087})
  
    cherrypy.quickstart(Root())

Output:


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