2 # Functions for interacting with the address_types table in the database
4 # Mark Huang <mlhuang@cs.princeton.edu>
5 # Copyright (C) 2006 The Trustees of Princeton University
8 from PLC.Faults import *
9 from PLC.Parameter import Parameter
10 from PLC.Filter import Filter
11 from PLC.Table import Row, Table
13 class AddressType(Row):
15 Representation of a row in the address_types table. To use,
16 instantiate with a dict of values.
19 table_name = 'address_types'
20 primary_key = 'address_type_id'
21 join_tables = ['address_address_type']
23 'address_type_id': Parameter(int, "Address type identifier"),
24 'name': Parameter(str, "Address type", max = 20),
25 'description': Parameter(str, "Address type description", max = 254),
28 def validate_name(self, name):
29 # Make sure name is not blank
31 raise PLCInvalidArgument("Address type must be specified")
33 # Make sure address type does not already exist
34 conflicts = AddressTypes(self.api, [name])
35 for address_type_id in conflicts:
36 if 'address_type_id' not in self or self['address_type_id'] != address_type_id:
37 raise PLCInvalidArgument("Address type name already in use")
41 class AddressTypes(Table):
43 Representation of the address_types table in the database.
46 def __init__(self, api, address_type_filter = None, columns = None):
47 Table.__init__(self, api, AddressType, columns)
49 sql = "SELECT %s FROM address_types WHERE True" % \
50 ", ".join(self.columns)
52 if address_type_filter is not None:
53 if isinstance(address_type_filter, (list, tuple, set)):
54 # Separate the list into integers and strings
55 ints = [x for x in address_type_filter if isinstance(x, int)]
56 strs = [x for x in address_type_filter if isinstance(x, str)]
57 address_type_filter = Filter(AddressType.fields, {'address_type_id': ints, 'name': strs})
58 sql += " AND (%s) %s" % address_type_filter.sql(api, "OR")
59 elif isinstance(address_type_filter, dict):
60 address_type_filter = Filter(AddressType.fields, address_type_filter)
61 sql += " AND (%s) %s" % address_type_filter.sql(api, "AND")
62 elif isinstance(address_type_filter, int):
63 address_type_filter = Filter(AddressType.fields, {'address_type_id': address_type_filter})
64 sql += " AND (%s) %s" % address_type_filter.sql(api, "AND")
65 elif isinstance(address_type_filter, str):
66 address_type_filter = Filter(AddressType.fields, {'name': address_type_filter})
67 sql += " AND (%s) %s" % address_type_filter.sql(api, "AND")
69 raise PLCInvalidArgument("Wrong address type filter %r"%address_type_filter)