How to Create a Web Page for Downloading Data92
In this tutorial, we'll create a simple web page with Python's Flask microframework that allows users to download a file.
Setting Up the Project
First, we need to create a virtual environment for our project. Open a terminal and type the following:```
python3 -m venv venv
source venv/bin/activate
```
This will create a new virtual environment and activate it. Next, we can install Flask:```
pip install Flask
```
Now, let's create a new file called . This file will contain the code for our web page.
Writing the Flask Code
In , we'll start by importing Flask and creating a new Flask app:```python
from flask import Flask, send_file
app = Flask(__name__)
```
Next, we'll define a route for our download page. This route will handle requests to the URL "/download":```python
@("/download")
def download():
return send_file("", as_attachment=True)
```
Here, we use the send_file() function to send the file to the user for download. The as_attachment=True argument ensures that the file is downloaded rather than displayed in the browser.
Testing the Web Page
To test our web page, we can run the Flask app with the following command:```
flask run
```
This will start the Flask development server. Now, we can open a web browser and go to the URL localhost:5000/download. If everything is working correctly, the file should be downloaded to your computer.
Conclusion
In this tutorial, we created a simple web page that allows users to download a file. This is a common feature for websites that provide downloadable content, such as manuals, brochures, or datasets.
The code for this tutorial is available on GitHub: /username/flask-download-page.
2025-01-06
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