Cutlery/calibre
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Kovid Goyal 2012-04-07 09:59:26 +05:30
parent 02cf6db400
commit b7955aa9cb
1 changed files with 18 additions and 10 deletions
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28
src/calibre/gui2/convert/single.py
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@ -6,7 +6,7 @@ __license__ = 'GPL v3'
__copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>' __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
__docformat__ = 'restructuredtext en' __docformat__ = 'restructuredtext en'
import sys, cPickle, shutil, importlib import cPickle, shutil, importlib
from PyQt4.Qt import QString, SIGNAL, QAbstractListModel, Qt, QVariant, QFont from PyQt4.Qt import QString, SIGNAL, QAbstractListModel, Qt, QVariant, QFont
@ -36,17 +36,14 @@ class NoSupportedInputFormats(Exception):
pass pass
def sort_formats_by_preference(formats, prefs): def sort_formats_by_preference(formats, prefs):
def fcmp(x, y): uprefs = [x.upper() for x in prefs]
def key(x):
try: try:
x = prefs.index(x.upper()) return uprefs.index(x.upper())
except ValueError: except ValueError:
x = sys.maxint pass
try: return len(prefs)
y = prefs.index(y.upper()) return sorted(formats, key=key)
except ValueError:
y = sys.maxint
return cmp(x, y)
return sorted(formats, cmp=fcmp)
class GroupModel(QAbstractListModel): class GroupModel(QAbstractListModel):
@ -94,8 +91,19 @@ def get_supported_input_formats_for_book(db, book_id):
def get_input_format_for_book(db, book_id, pref): def get_input_format_for_book(db, book_id, pref):
'''
Return (preferred input format, list of available formats) for the book
identified by book_id. Raises an error if the book has no input formats.
:param pref: If None, the format used as input for the last conversion, if
any, on this book is used. If not None, should be a lowercase format like
'epub' or 'mobi'. If you do not want the last converted format to be used,
set pref=False.
'''
if pref is None: if pref is None:
pref = get_preferred_input_format_for_book(db, book_id) pref = get_preferred_input_format_for_book(db, book_id)
if hasattr(pref, 'lower'):
pref = pref.lower()
input_formats = get_supported_input_formats_for_book(db, book_id) input_formats = get_supported_input_formats_for_book(db, book_id)
input_format = pref if pref in input_formats else \ input_format = pref if pref in input_formats else \
sort_formats_by_preference(input_formats, prefs['input_format_order'])[0] sort_formats_by_preference(input_formats, prefs['input_format_order'])[0]