def quote(self):
to_length = libpq.c_uint()
if self.connection:
data_pointer = libpq.PQescapeByteaConn(self.connection._pgconn,
str(self.obj), len(self.obj), libpq.pointer(to_length))
template = r"E'%s'::bytea"
else:
data_pointer = libpq.PQescapeBytea(self.obj, len(self.obj),
libpq.pointer(to_length))
template = r"'%s'::bytea"
data = data_pointer[:to_length.value - 1]
libpq.PQfreemem(data_pointer)
return template % data
def cast_binary(value, length, cursor):
to_length = libpq.c_uint()
s = libpq.PQunescapeBytea(value, libpq.pointer(to_length))
try:
res = buffer(s[:to_length.value])
finally:
libpq.PQfreemem(s)
return res