Current File : //usr/lib/calibre/calibre/ebooks/metadata/txt.py
__license__ = 'GPL v3'
__copyright__ = '2009, John Schember <john@nachtimwald.com>'
'''
Read meta information from TXT files
'''
import re, os
from calibre.ebooks.metadata import MetaInformation
def get_metadata(stream, extract_cover=True):
'''
Return metadata as a L{MetaInfo} object
'''
name = getattr(stream, 'name', '').rpartition('.')[0]
if name:
name = os.path.basename(name)
mi = MetaInformation(name or _('Unknown'), [_('Unknown')])
stream.seek(0)
mdata = ''
for x in range(0, 4):
line = stream.readline().decode('utf-8', 'replace')
if not line:
break
else:
mdata += line
mdata = mdata[:1024]
mo = re.search('(?u)^[ ]*(?P<title>.+)[ ]*(\n{3}|(\r\n){3}|\r{3})[ ]*(?P<author>.+)[ ]*(\n|\r\n|\r)$', mdata)
if mo is not None:
mi.title = mo.group('title')
mi.authors = mo.group('author').split(',')
return mi
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