Hi, I have a platform that generates a tons of anki apkg. packages. The problem is the package update. No matter what I do, the imported cards are duplicated. What I do: I make sure the GUID is stable for each card I tried adding custom first stable field based on the GUID I am using some heavy j…

[image] How is a deck created (programmatically speaking)? .apkg files were not really intended to be written by external tools. But I’m moving your question to the Development channel, in case that has changed.

Thank you for your reply. From the attached post, I can see that just write the script in Python instead and use Anki’s API. is one of the advices, and that’s what I am doing. I cannot use text files, which do not allow me to make complex HTML templates for my cards. I need the full flexibility …

You’re using a third-party API, which might not be up-to-date with the latest changes. I recommend giving the official API a try - it’s the same code used by Anki to export/import files, so you should get better results. [image] Anki python module Development …

Aha, I did not realize. I will try, thanks!

So I tried, and failed. Basically the only thing that changed was creation strategy. def create_anki_deck(key, reader, filename): temp_dir = tempfile.mkdtemp() col_path = os.path.join(temp_dir, "collection.anki2") col = Collection(col_path) try: deck_name = f"KanTanJi::{key…

You might want to test using the mw.col.export_anki_package() instead of the legacy AnkiPackageExporter.

It seems to work now, when I set the IDs directly. The library still seems to not to support this well (setting ID directly on collection creation crashes the lib), but so far updates looked as desired. I just hope some update does not break this. I still was unable to implement a stable way of tran…

Updating APKG files with a custom template

Anki Development

Danika_Dakika January 27, 2026, 5:59pm 2

But I’m moving your question to the Development channel, in case that has changed.

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Updating APKG files with a custom template

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