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Only show compare for supported formats

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Kovid Goyal 2014-01-31 09:16:12 +05:30
parent b69889da8f
commit aa0d9bbd14
1 changed files with 3 additions and 1 deletions
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4
src/calibre/gui2/book_details.py
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@ -527,8 +527,10 @@ class BookInfo(QWebView):
traceback.print_exc() traceback.print_exc()
else: else:
from calibre.gui2.ui import get_gui from calibre.gui2.ui import get_gui
from calibre.ebooks.oeb.polish.main import SUPPORTED
db = get_gui().current_db.new_api db = get_gui().current_db.new_api
ofmt = fmt.upper() if fmt.startswith('ORIGINAL_') else 'ORIGINAL_' + fmt ofmt = fmt.upper() if fmt.startswith('ORIGINAL_') else 'ORIGINAL_' + fmt
nfmt = ofmt[len('ORIGINAL_'):]
fmts = {x.upper() for x in db.formats(book_id)} fmts = {x.upper() for x in db.formats(book_id)}
for a, t in [('remove', _('Delete the %s format')), for a, t in [('remove', _('Delete the %s format')),
('save', _('Save the %s format to disk')), ('save', _('Save the %s format to disk')),
@ -538,7 +540,7 @@ class BookInfo(QWebView):
if a == 'restore' and not fmt.startswith('ORIGINAL_'): if a == 'restore' and not fmt.startswith('ORIGINAL_'):
continue continue
if a == 'compare': if a == 'compare':
if ofmt not in fmts: if ofmt not in fmts or nfmt not in SUPPORTED:
continue continue
t = _('Compare to the %s format') % (fmt[9:] if fmt.startswith('ORIGINAL_') else ofmt) t = _('Compare to the %s format') % (fmt[9:] if fmt.startswith('ORIGINAL_') else ofmt)
else: else: