2 # Functions for interacting with the key_types table in the database
4 # Mark Huang <mlhuang@cs.princeton.edu>
5 # Copyright (C) 2006 The Trustees of Princeton University
10 from PLC.Faults import *
11 from PLC.Parameter import Parameter
12 from PLC.Table import Row, Table
16 Representation of a row in the key_types table. To use,
17 instantiate with a dict of values.
20 table_name = 'key_types'
21 primary_key = 'key_type'
22 join_tables = ['keys']
24 'key_type': Parameter(str, "Key type", max = 20),
27 def validate_key_type(self, name):
28 # Make sure name is not blank
30 raise PLCInvalidArgument, "Key type must be specified"
32 # Make sure key type does not alredy exist
33 conflicts = KeyTypes(self.api, [name])
35 raise PLCInvalidArgument, "Key type name already in use"
39 class KeyTypes(Table):
41 Representation of the key_types table in the database.
44 def __init__(self, api, key_types = None):
45 Table.__init__(self, api, KeyType)
47 sql = "SELECT %s FROM key_types" % \
48 ", ".join(KeyType.fields)
51 sql += " WHERE key_type IN (%s)" % ", ".join(map(api.db.quote, key_types))