====

[plcapi.git] / PLC / KeyTypes.py

diff --git a/PLC/KeyTypes.py b/PLC/KeyTypes.py
index 0b0d16e..df15643 100644 (file)
--- a/PLC/KeyTypes.py
+++ b/PLC/KeyTypes.py
@@ -4,8 +4,6 @@
 # Mark Huang <mlhuang@cs.princeton.edu>
 # Copyright (C) 2006 The Trustees of Princeton University
 #
-# $Id: KeyTypes.py,v 1.1 2006/10/10 20:24:06 mlhuang Exp $
-#
 
 from PLC.Faults import *
 from PLC.Parameter import Parameter
@@ -19,55 +17,35 @@ class KeyType(Row):
 
     table_name = 'key_types'
     primary_key = 'key_type'
+    join_tables = ['keys']
     fields = {
         'key_type': Parameter(str, "Key type", max = 20),
         }
 
-    def __init__(self, api, fields = {}):
-        Row.__init__(self, fields)
-        self.api = api
-
     def validate_key_type(self, name):
-       # Remove leading and trailing spaces
-       name = name.strip()
-
-       # Make sure name is not blank after we removed the spaces
-        if not name:
+        # Make sure name is not blank
+        if not len(name):
             raise PLCInvalidArgument, "Key type must be specified"
-       
-       # Make sure key type does not alredy exist
-       conflicts = KeyTypes(self.api, [name])
+
+        # Make sure key type does not alredy exist
+        conflicts = KeyTypes(self.api, [name])
         if conflicts:
             raise PLCInvalidArgument, "Key type name already in use"
 
-       return name
+        return name
 
-    def delete(self, commit = True):
-        assert 'key_type' in self
-
-        # Clean up miscellaneous join tables
-        for table in ['keys', 'key_types']:
-            self.api.db.do("DELETE FROM " + table + \
-                           " WHERE key_type = %(key_type)s",
-                           self)
-
-        if commit:
-            self.api.db.commit()
-        
 class KeyTypes(Table):
     """
     Representation of the key_types table in the database.
     """
 
-    def __init__(self, api, names = None):
+    def __init__(self, api, key_types = None):
+        Table.__init__(self, api, KeyType)
+
         sql = "SELECT %s FROM key_types" % \
               ", ".join(KeyType.fields)
-        
-        if names:
-            # Separate the list into integers and strings
-            sql += " WHERE key_type IN (%s)" % ", ".join(api.db.quote(names))
 
-        rows = api.db.selectall(sql)
+        if key_types:
+            sql += " WHERE key_type IN (%s)" % ", ".join( [ api.db.quote (t) for t in key_types ] )
 
-        for row in rows:
-            self[row['key_type']] = KeyType(api, row)
+        self.selectall(sql)