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Writing the python code that assigns the placeholder values to your Jinja2 templates and renders a new text string according to these values.

In these templates, you can use a variety of Jinja2 syntax features that allow you to adjust the look of the file and how it loads the placeholder data.

Creating the text file Jinja2 templates that contain placeholder values.

There are two main components of working with Jinja2: Keep in mind that Jinja2 can come in handy for other reporting applications, like sending automated emails or creating reports in other text file formats. We’ll be using Jinja2 to generate HTML files of our reports that we will convert into PDFs with other tools. It’s a very flexible tool, used widely in Python web applications to generate HTML for users. You can think of it like super high-powered string substitution. In short, it lets you automatically generate text documents by programmatically filling in placeholder values that you assign to text file templates. Jinja2 is a great tool to become familiar with, especially if you do web development in Python.

PDFKIT TEMPLATES INSTALL

Then follow instructions here to install wkhtmltopdf. We’ll install our required packages with the following commands: You also need to install a tool called wkhtmltopdf for pdfkit to work.Pdfkit to convert these reports to PDF.Jinja2 templates to generate HTML files of the reports that I need.The particular solution I came up with uses two main tools:

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I recently needed to do PDF reporting in a work assignment. This is often important for getting buy-in from people comfortable with the old system. This means that if the legacy system used PDF reporting, then you should strongly consider creating this functionality in the replacement system. You need to match existing reporting formats : If you’re replacing a legacy reporting system, it’s often a good idea to try to match existing reporting methods as your first step.

People often want “hard copies” of particular reports they are running and don’t want to reproduce everything they did in an interactive dashboard.

You need to make reports that are easily printable.

This seems somewhat “old school” nowadays, but here are a couple situations why you might want to consider it: Once in a while as a data scientist, you may need to create PDF reports of your analyses.

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Airflow on Windows with Docker – unable to install or load my own dags – Windows Questions on Getting Started with Airflow Using Docker.

Airflow on Windows with Docker – unable to install or load my own dags – Docker Questions on Getting Started with Airflow Using Docker.

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heathnyp097 on Roam Notes and Anki Deck on “Notes on Technology in the 2020s” by Eli Dourado.

Roam Notes and Anki Deck on “Notes on Technology in the 2020s” by Eli Dourado.

PDFKIT TEMPLATES HOW TO

Roam Notes on “RailsConf 2017: How to Write Better Code Using Mutation Testing” by John Backus.

Roam Notes on “Revolt of the Public and the Crisis of Authority in the New Millennium” by Martin Gurri.

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Roam Notes on “Patrick Collison in conversation with Tyler Cowen | Full Q&A | Oxford Union Web Series”.

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Let us see a code example of adding highlight to PDF page.Īdd the following code snippet after openPDFDocument function. Various annotation can be added like Circle, line, Strikeout, Square, Underline, Highlight etc. PDFKit provides option to add annotation to PDF file using PDFAnnoation class. Add import statement after import UIKit and now you should be able to run the app on the simulator and select text on the PDF You will be seeing couple of unresolved identified errors because of missing import PDFKit statement. Loads the pdf file in a PDFDocument object let document = PDFDocument(url: path)Ĭreates an instance of PDFView and sets the frame to ViewController’s view then assigns the PDFDocument to PDFView instance. This function does the following guard let path = (forResource: 'TheWakingLights',Ĭreates URL instance with the path of “TheWalkingLights.pdf” file. Guard let path = (forResource: 'TheWakingLights', withExtension: 'pdf') In Xcode’s project navigator, select ViewController.swift and add the following lines after viewDidLoad function. Now drag and drop this file to Xcode project and in “Choose options for adding these files” select “Copy items if needed” Let us start by selecting a Single View App template and name the project as PDFDemo.įor this demo, we will be using a PDF file “TheWakingLights.pdf” and this can downloaded from the github project folder. In this demo, we will be using PDFKit to View and Annotate PDF file.

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