added is_valid_value as a function for attributes.Attribute

diff --git a/src/nepi/core/attributes.py b/src/nepi/core/attributes.py
index b6bf913..258772c 100644 (file)
--- a/src/nepi/core/attributes.py
+++ b/src/nepi/core/attributes.py
@@ -100,9 +100,7 @@ class Attribute(object):
         return self._value
 
     def set_value(self, value):
-        if self._is_in_range(value) and \
-                self._is_in_allowed_values(value) and \
-                self._is_valid(value):
+        if self.is_valid_value(value):
             self._value = value
             self._modified = True
         else:
@@ -111,6 +109,11 @@ class Attribute(object):
 
     value = property(get_value, set_value)
 
+    def is_valid_value(self, value):
+        return self._is_in_range(value) and \
+            self._is_in_allowed_values(value) and \
+                self._is_valid(value)    
+
     def _is_in_range(self, value):
         return not self.range or \
                 (value >= self.range[0] and value <= self.range[1])
@@ -172,6 +175,9 @@ class AttributesMap(object):
     def is_attribute_modified(self, name):
         return self._attributes[name].modified
 
+    def is_attribute_value_valid(self, name, value):
+        return self._attributes[name].is_valid_value(value)
+
     def add_attribute(self, name, help, type, value = None, range = None,
         allowed = None, flags = Attribute.NoFlags, validation_function = None):
         if name in self._attributes:

diff --git a/src/nepi/core/testbed_impl.py b/src/nepi/core/testbed_impl.py
index e0608bc..d408eb4 100644 (file)
--- a/src/nepi/core/testbed_impl.py
+++ b/src/nepi/core/testbed_impl.py
@@ -51,17 +51,17 @@ class TestbedController(execute.TestbedController):
 
     def defer_configure(self, name, value):
         if not self._attributes.has_attribute(name):
-            raise RuntimeError("Invalid attribute %s for testbed" % name)
+            raise AttributeError("Invalid attribute %s for testbed" % name)
         # Validation
         self._attributes.set_attribute_value(name, value)
         self._configure[name] = value
 
     def defer_create(self, guid, factory_id):
         if factory_id not in self._factories:
-            raise RuntimeError("Invalid element type %s for testbed version %s" %
+            raise AttributeError("Invalid element type %s for testbed version %s" %
                     (factory_id, self._testbed_version))
         if guid in self._create:
-            raise RuntimeError("Cannot add elements with the same guid: %d" %
+            raise AttributeError("Cannot add elements with the same guid: %d" %
                     guid)
         self._create[guid] = factory_id
 
@@ -71,9 +71,11 @@ class TestbedController(execute.TestbedController):
         factory_id = self._create[guid]
         factory = self._factories[factory_id]
         if not factory.box_attributes.has_attribute(name):
-            raise RuntimeError("Invalid attribute %s for element type %s" %
+            raise AttributeError("Invalid attribute %s for element type %s" %
                     (name, factory_id))
-        factory.box_attributes.set_attribute_value(name, value)
+        if not factory.box_attributes.is_attribute_value_valid(name, value):
+            raise AttributeError("Invalid value %s for attribute %s" % \
+                (value, name))
         if guid not in self._create_set:
             self._create_set[guid] = dict()
         self._create_set[guid][name] = value
@@ -84,9 +86,11 @@ class TestbedController(execute.TestbedController):
         factory_id = self._create[guid]
         factory = self._factories[factory_id]
         if not factory.has_attribute(name):
-            raise RuntimeError("Invalid attribute %s for element type %s" %
+            raise AttributeError("Invalid attribute %s for element type %s" %
                     (name, factory_id))
-        factory.set_attribute_value(name, value)
+        if not factory.is_attribute_value_valid(name, value):
+            raise AttributeError("Invalid value %s for attribute %s" % \
+                (value, name))
         if guid not in self._factory_set:
             self._factory_set[guid] = dict()
         self._factory_set[guid][name] = value
@@ -292,11 +296,13 @@ class TestbedController(execute.TestbedController):
         factory_id = self._create[guid]
         factory = self._factories[factory_id]
         if not factory.box_attributes.has_attribute(name):
-            raise RuntimeError("Invalid attribute %s for element type %s" %
+            raise AttributeError("Invalid attribute %s for element type %s" %
                     (name, factory_id))
         if self._started and factory.is_attribute_design_only(name):
-            raise RuntimeError("Attribute %s can only be modified during experiment design" % name)
-        factory.box_attributes.set_attribute_value(name, value)
+            raise AttributeError("Attribute %s can only be modified during experiment design" % name)
+        if not factory.box_attributes.is_attribute_value_valid(name, value):
+            raise AttributeError("Invalid value %s for attribute %s" % \
+                    (value, name))
         if guid not in self._set:
             self._set[guid] = dict()
         if time not in self._set[guid]: