def get_metadata(stream, cpath=None):
if not podofo:
raise Unavailable(podofo_err)
pt = PersistentTemporaryFile('_podofo.pdf')
pt.write(stream.read())
pt.close()
server = Server(pool_size=1)
job = ParallelJob('read_pdf_metadata', 'Read pdf metadata',
lambda x,y:x, args=[pt.name, cpath])
server.add_job(job)
while not job.is_finished:
time.sleep(0.1)
job.update()
job.update()
server.close()
if job.result is None:
raise ValueError('Failed to read metadata: ' + job.details)
title, authors, creator, tags, ok = job.result
if not ok:
print 'Failed to extract cover:'
print job.details
if title == '_':
title = getattr(stream, 'name', _('Unknown'))
title = os.path.splitext(title)[0]
mi = MetaInformation(title, authors)
if creator:
mi.book_producer = creator
if tags:
mi.tags = tags
if os.path.exists(pt.name): os.remove(pt.name)
if ok:
mi.cover = cpath
return mi
def read_user_metadata(self):
'''
Read all metadata specified by the user. Command line options override
metadata from a specified OPF file.
'''
from calibre.ebooks.metadata import MetaInformation
from calibre.ebooks.metadata.opf2 import OPF
mi = MetaInformation(None, [])
if self.opts.read_metadata_from_opf is not None:
self.opts.read_metadata_from_opf = os.path.abspath(
self.opts.read_metadata_from_opf)
opf = OPF(open(self.opts.read_metadata_from_opf, 'rb'),
os.path.dirname(self.opts.read_metadata_from_opf))
mi = opf.to_book_metadata()
self.opts_to_mi(mi)
if mi.cover:
if mi.cover.startswith('http:') or mi.cover.startswith('https:'):
mi.cover = self.download_cover(mi.cover)
ext = mi.cover.rpartition('.')[-1].lower().strip()
if ext not in ('png', 'jpg', 'jpeg', 'gif'):
ext = 'jpg'
mi.cover_data = (ext, open(mi.cover, 'rb').read())
mi.cover = None
self.user_metadata = mi
def do_add_empty(dbctx, title, authors, isbn, tags, series, series_index,
cover, identifiers, languages):
mi = MetaInformation(None)
if title is not None:
mi.title = title
if authors:
mi.authors = authors
if identifiers:
mi.set_identifiers(identifiers)
if isbn:
mi.isbn = isbn
if tags:
mi.tags = tags
if series:
mi.series, mi.series_index = series, series_index
if cover:
mi.cover = cover
if languages:
mi.languages = languages
ids, duplicates = dbctx.run('add', 'empty', read_cover(mi))
prints(_('Added book ids: %s') % ','.join(map(str, ids)))
def do_add_empty(
dbctx, title, authors, isbn, tags, series, series_index, cover, identifiers,
languages
):
mi = MetaInformation(None)
if title is not None:
mi.title = title
if authors:
mi.authors = authors
if identifiers:
mi.set_identifiers(identifiers)
if isbn:
mi.isbn = isbn
if tags:
mi.tags = tags
if series:
mi.series, mi.series_index = series, series_index
if cover:
mi.cover = cover
if languages:
mi.languages = languages
ids, duplicates = dbctx.run('add', 'empty', read_cover(mi))
prints(_('Added book ids: %s') % ','.join(map(str, ids)))
def get_metadata(stream, cpath=None):
if not podofo:
raise Unavailable(podofo_err)
pt = PersistentTemporaryFile('_podofo.pdf')
pt.write(stream.read())
pt.close()
server = Server(pool_size=1)
job = ParallelJob('read_pdf_metadata',
'Read pdf metadata',
lambda x, y: x,
args=[pt.name, cpath])
server.add_job(job)
while not job.is_finished:
time.sleep(0.1)
job.update()
job.update()
server.close()
if job.result is None:
raise ValueError('Failed to read metadata: ' + job.details)
title, authors, creator, tags, ok = job.result
if not ok:
print 'Failed to extract cover:'
print job.details
if title == '_':
title = getattr(stream, 'name', _('Unknown'))
title = os.path.splitext(title)[0]
mi = MetaInformation(title, authors)
if creator:
mi.book_producer = creator
if tags:
mi.tags = tags
if os.path.exists(pt.name): os.remove(pt.name)
if ok:
mi.cover = cpath
return mi
