MobileRead Forums - View Single Post - calibre python script to update custom fields (help)

chaley · 01-07-2025, 06:01 AM

BTW:

Using get_proxy_metadata() is much more efficient in this case than get_metadata.
In your case, using set_field() is much easier than set_metadata. You deal with books and values, not Metadata instances.

01-07-2025, 06:01 AM	#6
chaley Grand Sorcerer Posts: 12,450 Karma: 8012886 Join Date: Jan 2010 Location: Notts, England Device: Kobo Libra 2	BTW: Using get_proxy_metadata() is much more efficient in this case than get_metadata. In your case, using set_field() is much easier than set_metadata. You deal with books and values, not Metadata instances.