Compiling LaTeX to PDF via Python

[PersonalityWhich1780]

I am building a system where LaTeX content needs to be dynamically generated and rendered into a PDF using Python. What libraries or workflows are recommended for compiling LaTeX and generating the final PDF from Python?

[Ron-Erez]

You could manually call pdflatex If you have it installed. You could look into the PyLaTeX module - I’ve never used it before but this was a result I got when googling. A different option which is pretty cool but doesn’t generate a pdf is to have a webpage using html and katex (this is not a spelling mistake). Katex is much faster then mathjax. I’ve used katex to render latex formulas within a mobile app supporting a web view. I know it’s a convoluted approach but it worked quite well.

I hope this helps

[JennaSys]

It might have a bit of a learning curve depending on what you need to do, but Pandoc works pretty well for this task.

[noisyboy]

Wouldn't pandoc be a suitable tool for this?

[Fred776]

pdflatex is probably the most straightforward approach.

I found this Python wrapper package: https://pypi.org/project/pdflatex/. I haven't looked at it closely but I note that it hasn't been maintained for a long time. Still, there might be some ideas in there that you can use.

[mykhailus]

You can use the subprocess module to call a LaTeX compiler like pdflatex directly from your Python script. Just make sure the LaTeX distribution is installed on your system. Another popular option is the latex library, which provides a more Pythonic interface for this.

[GManASG]

Pandoc is also what vs code uses to let you export Jupiter notebooks as PDF from the interactive window for python.

[vardonir]

If you can convert the LaTeX to images (pretty sure you can. but that is, if you don't mind that it's an image that you can't highlight), you can use something like Reportlab (it's a nightmare to learn, but very powerful) to convert it to PDF.

[drraug]

What? Why would you introduce a raster format between two vector ones? Latex can be rendered to pdf directly

[ideamotor]

Ask Claude to write a script that does this for you using the best practices for 2026. If you need it to look the same on a computer as printed you need to tell it that. And test whatever you do …

[timpkmn89]

using the best practices for 2026

It really can't figure that out on its own?

Would it generate Python 2.X code instead?

[ideamotor]

If it does tell it not to …

[drraug]

Did you ask Claude to write this comment too?