def get_metadata(stream):
""" Return metadata as a L{MetaInfo} object """
title = 'Unknown'
mi = MetaInformation(title, ['Unknown'])
stream.seek(0)
try:
if stream.read(10) not in MAGIC:
print >>sys.stderr, u'Couldn\'t read IMP header from file'
return mi
def cString(skip=0):
result = ''
while 1:
data = stream.read(1)
if data == '\x00':
if not skip: return result
skip -= 1
result, data = '', ''
result += data
stream.read(38) # skip past some uninteresting headers
_, category, title, author = cString(), cString(), cString(1), cString(2)
if title:
mi.title = title
if author:
mi.authors = string_to_authors(author)
mi.author = author
if category:
mi.category = category
except Exception as err:
msg = u'Couldn\'t read metadata from imp: %s with error %s'%(mi.title, unicode(err))
print >>sys.stderr, msg.encode('utf8')
return mi
def get_metadata(stream):
"""
Return basic meta-data about the LRF file in C{stream} as a
L{MetaInformation} object.
@param stream: A file like object or an instance of L{LRFMetaFile}
"""
lrf = stream if isinstance(stream, LRFMetaFile) else LRFMetaFile(stream)
authors = string_to_authors(lrf.author)
mi = MetaInformation(lrf.title.strip(), authors)
mi.author = lrf.author.strip()
mi.comments = lrf.free_text.strip()
mi.category = lrf.category.strip() + ', ' + lrf.classification.strip()
tags = [x.strip() for x in mi.category.split(',') if x.strip()]
if tags:
mi.tags = tags
if mi.category.strip() == ',':
mi.category = None
mi.publisher = lrf.publisher.strip()
mi.cover_data = lrf.get_cover()
try:
mi.title_sort = lrf.title_reading.strip()
if not mi.title_sort:
mi.title_sort = None
except:
pass
try:
mi.author_sort = lrf.author_reading.strip()
if not mi.author_sort:
mi.author_sort = None
except:
pass
if not mi.title or 'unknown' in mi.title.lower():
mi.title = None
if not mi.authors:
mi.authors = None
if not mi.author or 'unknown' in mi.author.lower():
mi.author = None
if not mi.category or 'unknown' in mi.category.lower():
mi.category = None
if not mi.publisher or 'unknown' in mi.publisher.lower() or \
'some publisher' in mi.publisher.lower():
mi.publisher = None
return mi
def get_metadata(stream):
"""
Return basic meta-data about the LRF file in C{stream} as a
L{MetaInformation} object.
@param stream: A file like object or an instance of L{LRFMetaFile}
"""
lrf = stream if isinstance(stream, LRFMetaFile) else LRFMetaFile(stream)
authors = string_to_authors(lrf.author)
mi = MetaInformation(lrf.title.strip(), authors)
mi.author = lrf.author.strip()
mi.comments = lrf.free_text.strip()
mi.category = lrf.category.strip()+', '+lrf.classification.strip()
tags = [x.strip() for x in mi.category.split(',') if x.strip()]
if tags:
mi.tags = tags
if mi.category.strip() == ',':
mi.category = None
mi.publisher = lrf.publisher.strip()
mi.cover_data = lrf.get_cover()
try:
mi.title_sort = lrf.title_reading.strip()
if not mi.title_sort:
mi.title_sort = None
except:
pass
try:
mi.author_sort = lrf.author_reading.strip()
if not mi.author_sort:
mi.author_sort = None
except:
pass
if not mi.title or 'unknown' in mi.title.lower():
mi.title = None
if not mi.authors:
mi.authors = None
if not mi.author or 'unknown' in mi.author.lower():
mi.author = None
if not mi.category or 'unknown' in mi.category.lower():
mi.category = None
if not mi.publisher or 'unknown' in mi.publisher.lower() or \
'some publisher' in mi.publisher.lower():
mi.publisher = None
return mi
