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get_link_map() should not have None keys

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Kovid Goyal 2024-10-21 13:38:54 +05:30
parent 4e8006a0da
commit 235ea54a5c
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1 changed files with 3 additions and 1 deletions
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src/calibre/db/cache.py
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@ -2533,7 +2533,9 @@ class Cache:
raise ValueError(f"Lookup name {for_field} doesn't have a link map") raise ValueError(f"Lookup name {for_field} doesn't have a link map")
lm = table.link_map lm = table.link_map
vm = table.id_map vm = table.id_map
return {vm.get(fid):v for fid,v in lm.items() if v} ans = {vm.get(fid):v for fid,v in lm.items() if v}
ans.pop(None)
return ans
@read_api @read_api
def link_for(self, field, item_id): def link_for(self, field, item_id):