PLC/InterfaceSettings.py

   1 # $Id#
   2 #
   3 # Thierry Parmentelat - INRIA
   4 #
   5 # $Revision$
   6 #
   7 from PLC.Faults import *
   8 from PLC.Parameter import Parameter
   9 from PLC.Filter import Filter
  10 from PLC.Table import Row, Table
  11 from PLC.TagTypes import TagType, TagTypes
  12
  13 class InterfaceSetting(Row):
  14     """
  15     Representation of a row in the interface_setting.
  16     To use, instantiate with a dict of values.
  17     """
  18
  19     table_name = 'interface_setting'
  20     primary_key = 'interface_setting_id'
  21     fields = {
  22         'interface_setting_id': Parameter(int, "Interface setting identifier"),
  23         'interface_id': Parameter(int, "Interface identifier"),
  24         'tag_type_id': TagType.fields['tag_type_id'],
  25         'tagname': TagType.fields['tagname'],
  26         'description': TagType.fields['description'],
  27         'category': TagType.fields['category'],
  28         'min_role_id': TagType.fields['min_role_id'],
  29         'value': Parameter(str, "Interface setting value"),
  30         ### relations
  31
  32         }
  33
  34 class InterfaceSettings(Table):
  35     """
  36     Representation of row(s) from the interface_setting table in the
  37     database.
  38     """
  39
  40     def __init__(self, api, interface_setting_filter = None, columns = None):
  41         Table.__init__(self, api, InterfaceSetting, columns)
  42
  43         sql = "SELECT %s FROM view_interface_settings WHERE True" % \
  44               ", ".join(self.columns)
  45
  46         if interface_setting_filter is not None:
  47             if isinstance(interface_setting_filter, (list, tuple, set)):
  48                 interface_setting_filter = Filter(InterfaceSetting.fields, {'interface_setting_id': interface_setting_filter})
  49             elif isinstance(interface_setting_filter, dict):
  50                 interface_setting_filter = Filter(InterfaceSetting.fields, interface_setting_filter)
  51             elif isinstance(interface_setting_filter, int):
  52                 interface_setting_filter = Filter(InterfaceSetting.fields, {'interface_setting_id': [interface_setting_filter]})
  53             else:
  54                 raise PLCInvalidArgument, "Wrong interface setting filter %r"%interface_setting_filter
  55             sql += " AND (%s) %s" % interface_setting_filter.sql(api)
  56
  57
  58         self.selectall(sql)