Add checking whether sub namespaces are not empty in core.python.namespaces.PythonPackageNamespace.namespace

docs/CHANGELOG.md

@@ -9,4 +9,5 @@
 - Add function to assert that an object is an instance of a specific type
 - Add python project documentation generator class
 - Add python namespaces classes
-- Add type checking for the `name` attribute at the constructor of `core.python.namespaces.PythonNamespace`
+- Add type checking for the `name` attribute at the constructor of `core.python.namespaces.PythonNamespace`
+- Add check whether sub namespaces are not empty in `core.python.namespaces.PythonPackageNamespace.namespace`

src/jcloud_docsgen/core/python/namespaces.py

@@ -57,6 +57,10 @@ class PythonPackageNamespace(PythonNamespace):
         if not sub_namespaces:
             raise InvalidNamespaceError('invalid namespace')
 
+        for sn in sub_namespaces:
+            if not sn:
+                raise InvalidNamespaceError('invalid namespace')
+
         # check whether the sub namespace exists
         if sub_namespaces[0] not in self.sub_namespaces:
             raise NamespaceNotFoundError('no such namespace', namespace_identifier = sub_namespaces[0])