def __init__(self, value):
"""
Object constructor. Accepts string, integer, or another Oid
object.
Integer should be OpenSSL numeric identifier (nid) as returned
by some libcrypto function or extracted from some libcrypto
structure
"""
if isinstance(value, unicode):
value = value.encode('ascii')
if isinstance(value, str):
self.nid = libcrypto.OBJ_txt2nid(value)
if self.nid == 0:
raise ValueError("Cannot find object %s in the database" %
value)
elif isinstance(value, (int, long)):
short = libcrypto.OBJ_nid2sn(value)
if short is None:
raise ValueError("No such nid %d in the database" % value)
self.nid = value
elif isinstance(value, Oid):
self.nid = value.nid
else:
raise TypeError("Cannot convert this type to object identifier")
def shortname(self):
" Returns short name if any "
return libcrypto.OBJ_nid2sn(self.nid)
def shortname(self):
" Returns short name if any "
return libcrypto.OBJ_nid2sn(self.nid).decode('utf-8')