Current File : //lib/calibre/calibre/ebooks/rb/__init__.py
__license__ = 'GPL 3'
__copyright__ = '2009, John Schember <john@nachtimwald.com>'
__docformat__ = 'restructuredtext en'
import os
HEADER = b'\xb0\x0c\xb0\x0c\x02\x00NUVO\x00\x00\x00\x00'
class RocketBookError(Exception):
pass
def unique_name(name, used_names):
name = os.path.basename(name)
if len(name) < 32 and name not in used_names:
return name
else:
ext = os.path.splitext(name)[1][:3]
base_name = name[:22]
for i in range(0, 9999):
name = '{}-{}.{}'.format(str(i).rjust('0', 4)[:4], base_name, ext)
if name not in used_names:
break
return name
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