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ShoeQueen · 09-23-2026, 03:42 PM

I'm very excited to see this being developed! This is my exact scenario, I have many downloaded fics that I need only metadata for, but fanficfare now struggles with AO3s cloudflare so much that I rarely get it to work.

I'm a Windows 11 user, and not a programmer, but I did give it a try. I couldn't get the plugin to load. It gave an invalid error:

calibre.customize.InvalidPlugin: The plugin in 'C:\\Users\\XXXXX\\Downloads\\Extract-epub-metadata-0.2.1-beta.zip' is invalid. It does not contain a top-level __init__.py file

Not sure if this feedback really "helps", but I figured I'd send it on anyway.

Thank you and all the developers for working on this!

09-23-2026, 03:42 PM	#3
ShoeQueen Junior Member Posts: 4 Karma: 10 Join Date: Oct 2019 Device: Android	I'm very excited to see this being developed! This is my exact scenario, I have many downloaded fics that I need only metadata for, but fanficfare now struggles with AO3s cloudflare so much that I rarely get it to work. I'm a Windows 11 user, and not a programmer, but I did give it a try. I couldn't get the plugin to load. It gave an invalid error: calibre.customize.InvalidPlugin: The plugin in 'C:\\Users\\XXXXX\\Downloads\\Extract-epub-metadata-0.2.1-beta.zip' is invalid. It does not contain a top-level __init__.py file Not sure if this feedback really "helps", but I figured I'd send it on anyway. Thank you and all the developers for working on this!