def update_metadata(ebook, new_opf):
from calibre.ebooks.metadata.opf import get_metadata, set_metadata
with ebook.open(ebook.opf_name, 'r+b') as stream, open(new_opf, 'rb') as ns:
mi = get_metadata(ns)[0]
mi.cover, mi.cover_data = None, (None, None)
opfbytes = set_metadata(stream, mi, apply_null=True, update_timestamp=True)[0]
stream.seek(0)
stream.truncate()
stream.write(opfbytes)
def main(opts, args, dbctx):
if opts.list_fields:
ans = get_fields(dbctx)
prints('%-40s' % _('Title'), _('Field name'), '\n')
for key, m in ans:
prints('%-40s' % m['name'], key)
return 0
def verify_int(x):
try:
int(x)
return True
except:
return False
if len(args) < 1 or not verify_int(args[0]):
raise SystemExit(
_('You must specify a record id as the '
'first argument'))
if len(args) < 2 and not opts.field:
raise SystemExit(_('You must specify either a field or an OPF file'))
book_id = int(args[0])
if len(args) > 1:
opf = os.path.abspath(args[1])
if not os.path.exists(opf):
raise SystemExit(_('The OPF file %s does not exist') % opf)
with lopen(opf, 'rb') as stream:
mi = get_metadata(stream)[0]
if mi.cover:
mi.cover = os.path.join(os.path.dirname(opf),
os.path.relpath(mi.cover, getcwd()))
final_mi = dbctx.run('set_metadata', 'opf', book_id, read_cover(mi))
if not final_mi:
raise SystemExit(
_('No book with id: %s in the database') % book_id)
if opts.field:
fields = {k: v for k, v in get_fields(dbctx)}
fields['title_sort'] = fields['sort']
vals = {}
for x in opts.field:
field, val = x.partition(':')[::2]
if field == 'sort':
field = 'title_sort'
if field not in fields:
raise SystemExit(_('%s is not a known field' % field))
if field == 'cover':
val = dbctx.path(os.path.abspath(os.path.expanduser(val)))
else:
val = field_from_string(field, val, fields[field])
vals[field] = val
fvals = []
for field, val in sorted( # ensure series_index fields are set last
iteritems(vals),
key=lambda k: 1 if k[0].endswith('_index') else 0):
if field.endswith('_index'):
try:
val = float(val)
except Exception:
raise SystemExit(
'The value %r is not a valid series index' % val)
fvals.append((field, val))
final_mi = dbctx.run('set_metadata', 'fields', book_id, fvals)
if not final_mi:
raise SystemExit(
_('No book with id: %s in the database') % book_id)
prints(unicode_type(final_mi))
return 0
def main(opts, args, dbctx):
if opts.list_fields:
ans = get_fields(dbctx)
prints('%-40s' % _('Title'), _('Field name'), '\n')
for key, m in ans:
prints('%-40s' % m['name'], key)
return 0
def verify_int(x):
try:
int(x)
return True
except:
return False
if len(args) < 1 or not verify_int(args[0]):
raise SystemExit(_(
'You must specify a record id as the '
'first argument'
))
if len(args) < 2 and not opts.field:
raise SystemExit(_('You must specify either a field or an opf file'))
book_id = int(args[0])
if len(args) > 1:
opf = os.path.abspath(args[1])
if not os.path.exists(opf):
raise SystemExit(_('The OPF file %s does not exist') % opf)
with lopen(opf, 'rb') as stream:
mi = get_metadata(stream)[0]
if mi.cover:
mi.cover = os.path.join(os.path.dirname(opf), os.path.relpath(mi.cover, os.getcwdu()))
final_mi = dbctx.run('set_metadata', 'opf', book_id, read_cover(mi))
if not final_mi:
raise SystemExit(_('No book with id: %s in the database') % book_id)
if opts.field:
fields = {k: v for k, v in get_fields(dbctx)}
fields['title_sort'] = fields['sort']
vals = {}
for x in opts.field:
field, val = x.partition(':')[::2]
if field == 'sort':
field = 'title_sort'
if field not in fields:
raise SystemExit(_('%s is not a known field' % field))
if field == 'cover':
val = dbctx.path(os.path.abspath(os.path.expanduser(val)))
else:
val = field_from_string(field, val, fields[field])
vals[field] = val
fvals = []
for field, val in sorted( # ensure series_index fields are set last
iteritems(vals), key=lambda k: 1 if k[0].endswith('_index') else 0):
if field.endswith('_index'):
try:
val = float(val)
except Exception:
raise SystemExit('The value %r is not a valid series index' % val)
fvals.append((field, val))
final_mi = dbctx.run('set_metadata', 'fields', book_id, fvals)
if not final_mi:
raise SystemExit(_('No book with id: %s in the database') % book_id)
prints(unicode_type(final_mi))
return 0
