Two Lines in Requirements.txt: Pillow, Reportlab, and Nothing Else
Two Lines in Requirements.txt: Pillow, Reportlab, and Nothing Else The rejection email was four words long: "Invalid CSV header." I had just spent three hours naming 60 vector files and writing titles. All of it was sitting in a spreadsheet I built by hand, and Vecteezy's uploader refused the whole batch because one column was in the wrong place. No partial credit. No "fix it and retry." Just…
Two lines in the requirements.txt file specified the only dependencies needed for a packaging process: Pillow and Reportlab. All other functionality was built using Python's standard library. Multiple scripts were created to automate the process of generating metadata for various platforms, tracking uploaded assets, and creating zipped product files with covers and thumbnails.
The entire pipeline ran on minimal resources, using just one virtual CPU and 2 GB of RAM. The key to success lay in adhering to various unpretentious habits, such as running one process at a time, freeing memory between assets, and rendering at the required resolution. The scripts were designed to be simple and effective, with the accompanying research and notes available for future reference.
By implementing these tools and habits, the creator was able to successfully ship 39 products without relying on any complex or heavy dependencies.
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