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Title: Generating PDFs in Python Flask: A Step-by-Step Tutorial
In this tutorial, we will explore how to generate PDF documents using Python Flask, a popular web framework. PDF generation is a common requirement in web applications, especially when dealing with reports, invoices, or any other document-centric data. We will use the Flask framework along with a library called reportlab to create PDFs dynamically.
Make sure you have Flask and ReportLab installed. You can install them using pip:
Create a new directory for your project and navigate to it in your terminal. Then, create a new Python file (e.g., app.py) and set up a basic Flask app:
Run the Flask app:
Visit http://localhost:5000 in your browser to ensure that your Flask app is running.
Now, let's add an endpoint that will generate a PDF. Update your app.py file:
In this example, the generate_pdf endpoint creates a PDF using the pdf_report function and returns it as a response. The Content-Disposition header ensures that the browser displays the PDF inline.
Restart your Flask app and visit http://localhost:5000/generate_pdf in your browser. You should see the generated PDF document or be prompted to download it.
Congratulations! You have successfully set up a Flask app that generates PDFs on-the-fly using the reportlab library. You can now extend this example to include dynamic data and styling in your PDF documents based on your application's requirements.
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