143: Added errors.RequirementError exception; cmd.validate() now raises RequirementError if a required option is missing

1 files changed, 12 insertions, 0 deletions

diff --git a/ipalib/errors.py b/ipalib/errors.py
index 47e0a3edb..afc61dd8e 100644
--- a/ipalib/errors.py
+++ b/ipalib/errors.py
@@ -64,11 +64,23 @@ class NormalizationError(ValidationError):
 
 
 class RuleError(ValidationError):
+    """
+    Raised when a required option was not provided.
+    """
     def __init__(self, name, value, rule, error):
         self.rule = rule
         ValidationError.__init__(self, name, value, error)
 
 
+class RequirementError(ValidationError):
+    """
+    Raised when a required option was not provided.
+    """
+    def __init__(self, name):
+        ValidationError.__init__(self, name, None,
+            'missing required value'
+        )
+
 
 class SetError(IPAError):
     msg = 'setting %r, but NameSpace does not allow attribute setting'