Computer Networks is an important topic and to understand the concepts, practical application of the concepts is needed. In this particular article, we will see how to make a simple file-sharing app using Python. An HTTP Web Server is software that understands URLs (web address) and HTTP (the protocol used to view webpages). Python has several packages which is a collection of modules. And it has several built-in servers. The modules used in this project are:
- The HTTPServer is a socketserver, which creates and listens at the HTTP socket.
- The socketserver modules simplify the task of writing network servers.
- The webbrowser module provides us with a high-level interface to allow and display Web-based documents, simply calling the open() function.
- The pyqrcode module is used to generate QR Code in just two lines of code.
- OS module helps for interacting with the operating system. Used for opening files, manipulate paths, and read all lines in all the files on the command line.
- PyPNG allows PNG image files to be read and written using pure Python
- Install third-party modules:
pip install pyqrcode pip install pypng
- Install the dependencies using pip install at the command line.
- Importing necessary modules:
- http.server and socketserver: To host in the browser.
- pyqrcode: To generate QRcode.
- png: To convert the QRCode into a png file.
- OS: To interact with the Operating system.
- Assign port and name of the user.
- Find Ip address of the PC and convert it to a QR code.
- Create the HTTP request.
- Display the QR code in browser.
Implementation of the above Approach:
- Open the python file which has the above code on PC.
- This will generate a QR-code.
- Either Scan the QR-code or type the IP Address shown in the python shell in your mobile browser.
- Share the files with ease by scanning the QR-code that’s generated and get access to the files in PC, from the mobile browser.
Why Port 8010 ?
TCP Port 8010 use a defined protocol to communicate depending on the application. A protocol is a set of formalized rules that explains how data is communicated over a network. This is secured and is not infected by Virus/Trojan.
- The code finds the name of the USERPROFILE through OS module. And changes the directory to access the files on the desktop.
- Finds the hostname to serve the file in a particular port for secured sharing.
- Then finds the IP address of the system so that we can connect a particular device.
- The IP address is converted into the form of QR-code using the module pyqrcode for easy use.
- The generated image is hosted in a web browser.
- Once the device connected to the same network either scanned QR code or type the IP address can access the files of the system.
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