Current File : //lib/calibre/calibre/db/cli/cmd_show_metadata.py
#!/usr/bin/env python3
# License: GPLv3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>
import os
import sys
from calibre import prints
from calibre.ebooks.metadata.opf2 import OPFCreator
readonly = True
version = 0 # change this if you change signature of implementation()
def implementation(db, notify_changes, book_id):
with db.safe_read_lock:
if not db.has_id(book_id):
return
return db.get_metadata(book_id)
def option_parser(get_parser, args):
parser = get_parser(
_(
'''
%prog show_metadata [options] id
Show the metadata stored in the calibre database for the book identified by id.
id is an id number from the search command.
'''
)
)
parser.add_option(
'--as-opf',
default=False,
action='store_true',
help=_('Print metadata in OPF form (XML)')
)
return parser
def main(opts, args, dbctx):
if len(args) < 1:
raise SystemExit(_('You must specify an id'))
book_id = int(args[0])
mi = dbctx.run('show_metadata', book_id)
if mi is None:
raise SystemExit(f'Id #{book_id} is not present in database.')
if opts.as_opf:
stdout = getattr(sys.stdout, 'buffer', sys.stdout)
mi = OPFCreator(os.getcwd(), mi)
mi.render(stdout)
else:
prints(str(mi))
return 0
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