Share Files Between Computers and Phones Instantly with a One‑Line Python HTTP Server

Prerequisites

1. Need to copy files from one computer to another without a USB drive. 2. Want to access computer files from a phone. 3. Forgot the USB drive.

All these situations can be solved with a single line of Python code.

Specific Steps

Preparation before the experiment: Python 3 is installed on the machine. Python is added to the system PATH (so it can be invoked from the command line). The local firewall is disabled or port 9527 is allowed.

1. Open cmd in the folder you want to share

Hold the Shift key and right‑click in the folder, then select "Open command window here" to launch the terminal.

2. Enter the command in the cmd window

Run the following command (choose any free port you like):

python -m http.server 9527 # port number

3. Find the local IP address

Open a new cmd window and run ipconfig to locate the machine's IP address.

4. Note: Both computers or the phone must be on the same router

Computer side:

Open a browser and enter IP:port (e.g., 192.168.0.105:9527). The shared folder will be displayed and files can be downloaded directly.

Mobile side:

Open a browser on the phone and enter the same address (e.g., 192.168.0.105:9527). The interface is identical to the computer side, allowing you to tap and download files.

Principle

The following diagram is taken from the official Python documentation.

For detailed information, visit:

https://docs.python.org/3/library/http.server.html#module-http.server

The http.server module is quite handy for quick file sharing.

Reference: https://blog.csdn.net/weixin_45081575/article/details/102528739