Fix over-aggressive caching causing multiple cover grid emblem rules to not work. Fixes #1352005 [Emblems in cover grid don't work with multiple rules](https://bugs.launchpad.net/calibre/+bug/1352005)

This commit is contained in:
Kovid Goyal 2014-08-04 10:14:29 +05:30
parent 5134d7568c
commit 8b6aae9068

View File

@ -399,14 +399,14 @@ class CoverDelegate(QStyledItemDelegate):
traceback.print_exc()
return ''
def render_emblem(self, book_id, rule, cache, mi, db, formatter, template_cache):
def render_emblem(self, book_id, rule, rule_index, cache, mi, db, formatter, template_cache):
ans = cache[book_id].get(rule, False)
if ans is not False:
return ans, mi
ans = None
if mi is None:
mi = db.get_proxy_metadata(book_id)
ans = formatter.safe_format(rule, mi, '', mi, column_name='cover_grid', template_cache=template_cache) or None
ans = formatter.safe_format(rule, mi, '', mi, column_name='cover_grid%d' % rule_index, template_cache=template_cache) or None
cache[book_id][rule] = ans
return ans, mi
@ -453,8 +453,8 @@ class CoverDelegate(QStyledItemDelegate):
emblems = []
if self.emblem_size > 0:
mi = None
for kind, column, rule in emblem_rules:
icon_name, mi = self.render_emblem(book_id, rule, m.cover_grid_emblem_cache, mi, db, m.formatter, m.cover_grid_template_cache)
for i, (kind, column, rule) in enumerate(emblem_rules):
icon_name, mi = self.render_emblem(book_id, rule, i, m.cover_grid_emblem_cache, mi, db, m.formatter, m.cover_grid_template_cache)
if icon_name is not None:
pixmap = self.cached_emblem(m.cover_grid_bitmap_cache, icon_name)
if pixmap is not None: