Current File : //usr/lib/calibre/calibre/ebooks/metadata/snb.py
'''Read meta information from SNB files'''
__license__ = 'GPL v3'
__copyright__ = '2010, Li Fanxi <lifanxi@freemindworld.com>'
import os
import io
from calibre.ebooks.metadata import MetaInformation
from calibre.ebooks.snb.snbfile import SNBFile
from calibre.utils.xml_parse import safe_xml_fromstring
def get_metadata(stream, extract_cover=True):
""" Return metadata as a L{MetaInfo} object """
mi = MetaInformation(_('Unknown'), [_('Unknown')])
snbFile = SNBFile()
try:
if not hasattr(stream, 'write'):
snbFile.Parse(io.BytesIO(stream), True)
else:
stream.seek(0)
snbFile.Parse(stream, True)
meta = snbFile.GetFileStream('snbf/book.snbf')
if meta is not None:
meta = safe_xml_fromstring(meta)
mi.title = meta.find('.//head/name').text
mi.authors = [meta.find('.//head/author').text]
mi.language = meta.find('.//head/language').text.lower().replace('_', '-')
mi.publisher = meta.find('.//head/publisher').text
if extract_cover:
cover = meta.find('.//head/cover')
if cover is not None and cover.text is not None:
root, ext = os.path.splitext(cover.text)
if ext == '.jpeg':
ext = '.jpg'
mi.cover_data = (ext[-3:], snbFile.GetFileStream('snbc/images/' + cover.text))
except Exception:
import traceback
traceback.print_exc()
return mi
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