Merge remote-tracking branch 'origin/pycurl' into planetlab-4_0-branch
[plcapi.git] / PLC / AddressTypes.py
index e94f086..7156c00 100644 (file)
@@ -4,24 +4,63 @@
 # Mark Huang <mlhuang@cs.princeton.edu>
 # Copyright (C) 2006 The Trustees of Princeton University
 #
-# $Id$
+# $Id: AddressTypes.py 5574 2007-10-25 20:33:17Z thierry $
 #
 
+from types import StringTypes
+from PLC.Faults import *
 from PLC.Parameter import Parameter
+from PLC.Filter import Filter
+from PLC.Table import Row, Table
 
-class AddressTypes(dict):
+class AddressType(Row):
     """
-    Representation of the address_types table in the database.
+    Representation of a row in the address_types table. To use,
+    instantiate with a dict of values.
     """
 
+    table_name = 'address_types'
+    primary_key = 'address_type_id'
+    join_tables = ['address_address_type']
     fields = {
         'address_type_id': Parameter(int, "Address type identifier"),
-        'name': Parameter(str, "Address type name"),
+        'name': Parameter(str, "Address type", max = 20),
+        'description': Parameter(str, "Address type description", max = 254),
         }
 
-    def __init__(self, api):
-        sql = "SELECT address_type_id, name FROM address_types"
+    def validate_name(self, name):
+       # Make sure name is not blank
+        if not len(name):
+            raise PLCInvalidArgument, "Address type must be specified"
+       
+       # Make sure address type does not already exist
+       conflicts = AddressTypes(self.api, [name])
+       for address_type_id in conflicts:
+            if 'address_type_id' not in self or self['address_type_id'] != address_type_id:
+               raise PLCInvalidArgument, "Address type name already in use"
+
+       return name
+
+class AddressTypes(Table):
+    """
+    Representation of the address_types table in the database.
+    """
+
+    def __init__(self, api, address_type_filter = None, columns = None):
+       Table.__init__(self, api, AddressType, columns)
+
+        sql = "SELECT %s FROM address_types WHERE True" % \
+              ", ".join(self.columns)
+
+        if address_type_filter is not None:
+            if isinstance(address_type_filter, (list, tuple, set)):
+                # Separate the list into integers and strings
+                ints = filter(lambda x: isinstance(x, (int, long)), address_type_filter)
+                strs = filter(lambda x: isinstance(x, StringTypes), address_type_filter)
+                address_type_filter = Filter(AddressType.fields, {'address_type_id': ints, 'name': strs})
+                sql += " AND (%s) %s" % address_type_filter.sql(api, "OR")
+            elif isinstance(address_type_filter, dict):
+                address_type_filter = Filter(AddressType.fields, address_type_filter)
+                sql += " AND (%s) %s" % address_type_filter.sql(api, "AND")
 
-        for row in api.db.selectall(sql):
-            self[row['address_type_id']] = row['name']
-            self[row['name']] = row['address_type_id']
+        self.selectall(sql)