merge from trunk
[plcapi.git] / PLC / Methods / UpdatePCUType.py
diff --git a/PLC/Methods/UpdatePCUType.py b/PLC/Methods/UpdatePCUType.py
new file mode 100644 (file)
index 0000000..fc4e886
--- /dev/null
@@ -0,0 +1,42 @@
+from PLC.Faults import *
+from PLC.Method import Method
+from PLC.Parameter import Parameter, Mixed
+from PLC.PCUTypes import PCUType, PCUTypes
+from PLC.Auth import Auth
+
+can_update = lambda (field, value): field in \
+             ['model', 'name']
+
+class UpdatePCUType(Method):
+    """
+    Updates a PCU type. Only the fields specified in
+    pcu_typee_fields are updated, all other fields are left untouched.
+
+    Returns 1 if successful, faults otherwise.
+    """
+
+    roles = ['admin']
+
+    pcu_type_fields = dict(filter(can_update, PCUType.fields.items()))
+
+    accepts = [
+        Auth(),
+        PCUType.fields['pcu_type_id'],
+        pcu_type_fields
+        ]
+
+    returns = Parameter(int, '1 if successful')
+
+    def call(self, auth, pcu_type_id, pcu_type_fields):
+        pcu_type_fields = dict(filter(can_update, pcu_type_fields.items()))
+
+        pcu_types = PCUTypes(self.api, [pcu_type_id])
+        if not pcu_types:
+            raise PLCInvalidArgument, "No such pcu type"
+
+        pcu_type = pcu_types[0]
+        pcu_type.update(pcu_type_fields)
+        pcu_type.sync()
+       self.event_objects = {'PCUType': [pcu_type['pcu_type_id']]}     
+
+        return 1