flask port
To run a Flask application on a specific port, you need to follow these steps:
- Import the necessary modules:
- Import the Flask module to create the Flask application.
Import the request module to handle HTTP requests.
Create the Flask application:
- Create an instance of the Flask class and assign it to a variable.
Specify the name of the application as the parameter.
Define a route:
- Use the
@app.route()
decorator to define a route for the application. - Specify the URL path as the parameter for the decorator function.
Create a function that will be executed when the route is accessed.
Set up the application's main function:
- Use the
if __name__ == '__main__':
condition to check if the script is being run directly. Within this condition, use the
app.run()
method to run the Flask application.Specify the port number:
- Pass the
port
parameter to theapp.run()
method. Set the value of the
port
parameter to the desired port number.Save the code in a Python file with a
.py
extension.Open a terminal or command prompt and navigate to the directory where the Python file is saved.
Execute the Python file:
Type
python filename.py
in the terminal or command prompt, replacingfilename.py
with the actual name of the Python file.Access the Flask application in a web browser:
- Open a web browser.
- Enter the URL
http://localhost:port
, whereport
is the port number specified in the code. - Press Enter to access the Flask application on the specified port.
By following these steps, you will be able to run a Flask application on a specific port.