Report Lab

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                  Report Lab

 

ReportLab is a powerful Python library used for generating PDF documents. It provides various tools and features to create dynamic and complex PDFs from scratch. The library is commonly used in web applications and other projects to generate printable documents such as invoices, reports, charts, and more.

Some of the key features and components of ReportLab include:

  1. Canvas: The core element for drawing on the PDF page. It allows you to add text, images, shapes, and graphics to the document.

  2. Flowables: These are high-level objects that can be added to the Canvas. Flowables include Paragraphs (formatted text), Images, Tables, and other components.

  3. Platypus: A higher-level library built on top of ReportLab, which simplifies document generation by managing the layout of Flowables.

  4. Styles: ReportLab supports the use of styles to define consistent formatting for text elements.

  5. Page templates: You can create reusable page templates to define the layout of headers, footers, and other recurring elements.

  6. Vector Graphics: ReportLab allows you to draw vector graphics using various primitives such as lines, rectangles, circles, and Bézier curves.

To start using ReportLab, you first need to install it using pip:

pip install reportlab

Here’s a simple example of how to create a basic PDF using ReportLab:

python

from reportlab.lib.pagesizes import letter
from reportlab.lib import colors
from reportlab.platypus import SimpleDocTemplate, Paragraph, Spacer
from reportlab.lib.styles import getSampleStyleSheet

def create_pdf(filename):
doc = SimpleDocTemplate(filename, pagesize=letter)
story = []

styles = getSampleStyleSheet()
header = Paragraph(“My PDF Header”, styles[‘Heading1’])
story.append(header)

paragraph_text = “This is a sample paragraph in the PDF.”
paragraph = Paragraph(paragraph_text, styles[‘Normal’])
story.append(paragraph)

doc.build(story)

 

if __name__ == "__main__":
create_pdf("example.pdf")

This code snippet creates a simple PDF document with a header and a paragraph using ReportLab.

Remember that this is just a basic example, and ReportLab offers many more features to create highly customized and complex PDFs. It is advisable to refer to the official documentation and examples on the ReportLab website for more comprehensive guidance and ideas:

Official website: https://www.reportlab.com/

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