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Fix average rating calculation for rating datatype in Tag Browser incorrect

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Kovid Goyal 2010-10-13 21:59:32 -06:00
parent 62e643aada
commit 29b91f532e
1 changed files with 5 additions and 3 deletions
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8
src/calibre/library/database2.py
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@ -10,6 +10,7 @@
from itertools import repeat
from math import floor
from Queue import Queue
from operator import itemgetter
from PyQt4.QtGui import QImage
@ -1102,20 +1103,21 @@ def get_categories(self, sort='name', ids=None, icon_map=None):
tooltip = self.custom_column_label_map[label]['name']
datatype = cat['datatype']
avgr = itemgetter(3)
item_not_zero_func = lambda x: x[2] > 0
if datatype == 'rating':
# eliminate the zero ratings line as well as count == 0
item_not_zero_func = (lambda x: x[1] > 0 and x[2] > 0)
formatter = (lambda x:u'\u2605'*int(x/2))
avgr = itemgetter(1)
elif category == 'authors':
item_not_zero_func = (lambda x: x[2] > 0)
# Clean up the authors strings to human-readable form
formatter = (lambda x: x.replace('|', ','))
else:
item_not_zero_func = (lambda x: x[2] > 0)
formatter = (lambda x:unicode(x))
categories[category] = [Tag(formatter(r[1]), count=r[2], id=r[0],
avg=r[3], sort=r[4],
avg=avgr(r), sort=r[4],
icon=icon, tooltip=tooltip)
for r in data if item_not_zero_func(r)]