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Performance improvement: get proxy metadata once per book instead of once per user category

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This commit is contained in:
Charles Haley 2014-10-26 07:12:23 +01:00
parent fc78db2c60
commit 2795462438
1 changed files with 1 additions and 1 deletions
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2
src/calibre/db/cache.py
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@ -1914,10 +1914,10 @@ def user_categories_for_books(self, book_ids, proxy_metadata_map=None):
ans = {}
for book_id in book_ids:
proxy_metadata = pmm.get(book_id) or self._get_proxy_metadata(book_id)
user_cat_vals = ans[book_id] = {}
for ucat, categories in user_cats.iteritems():
user_cat_vals[ucat] = res = []
proxy_metadata = pmm.get(book_id) or self._get_proxy_metadata(book_id)
for name, cat, ign in categories:
try:
field_obj = self.fields[cat]