def get_kindlegen():
# copy kindlegen to destination
plugin_path = os.path.join(__file__, "..")
plugin_zip = ZipFile(plugin_path)
kindlegen_path = PersistentTemporaryDirectory("_kindlegen")
if os.name == 'nt': # Windows
kindlegen_filename = 'kindlegen.exe'
else: # Linux or macOS
kindlegen_filename = 'kindlegen'
plugin_zip.extract(kindlegen_filename, kindlegen_path)
return os.path.join(kindlegen_path, kindlegen_filename)
def get_metadata(stream):
from calibre.ebooks.metadata.meta import get_metadata
from calibre.ebooks.metadata.archive import is_comic
stream_type = None
zf = ZipFile(stream, 'r')
names = zf.namelist()
if is_comic(names):
# Is probably a comic
return get_metadata(stream, 'cbz')
for f in names:
stream_type = os.path.splitext(f)[1].lower()
if stream_type:
stream_type = stream_type[1:]
if stream_type in ('lit', 'opf', 'prc', 'mobi', 'fb2', 'epub',
'rb', 'imp', 'pdf', 'lrf', 'azw', 'azw1', 'azw3'):
with TemporaryDirectory() as tdir:
with CurrentDir(tdir):
path = zf.extract(f)
mi = get_metadata(open(path,'rb'), stream_type)
if stream_type == 'opf' and mi.application_id is None:
try:
# zip archive opf files without an application_id were assumed not to have a cover
# reparse the opf and if cover exists read its data from zip archive for the metadata
nmi = zip_opf_metadata(path, zf)
nmi.timestamp = None
return nmi
except:
pass
mi.timestamp = None
return mi
raise ValueError('No ebook found in ZIP archive (%s)' % os.path.basename(getattr(stream, 'name', '') or '<stream>'))
def get_metadata(stream):
from calibre.ebooks.metadata.meta import get_metadata
from calibre.ebooks.metadata.archive import is_comic
stream_type = None
zf = ZipFile(stream, 'r')
names = zf.namelist()
if is_comic(names):
# Is probably a comic
return get_metadata(stream, 'cbz')
for f in names:
stream_type = os.path.splitext(f)[1].lower()
if stream_type:
stream_type = stream_type[1:]
if stream_type in ('lit', 'opf', 'prc', 'mobi', 'fb2', 'epub',
'rb', 'imp', 'pdf', 'lrf', 'azw', 'azw1', 'azw3'):
with TemporaryDirectory() as tdir:
with CurrentDir(tdir):
path = zf.extract(f)
mi = get_metadata(open(path,'rb'), stream_type)
if stream_type == 'opf' and mi.application_id is None:
try:
# zip archive opf files without an application_id were assumed not to have a cover
# reparse the opf and if cover exists read its data from zip archive for the metadata
nmi = zip_opf_metadata(path, zf)
nmi.timestamp = None
return nmi
except:
pass
mi.timestamp = None
return mi
raise ValueError('No ebook found in ZIP archive (%s)' % os.path.basename(getattr(stream, 'name', '') or '<stream>'))
