Merge pull request #7 from mdboom/sfntname-missing

SfntNames.get_name() raises KeyError if missing

Author: tacaswell

docstrings/sfntnames.py

@@ -42,7 +42,7 @@
 
 This searches the SFNT names to first find a Unicode version of the
 name, if available, otherwise returning the first found name of the
-given type.  Returns `None` if no name of the given type was found.
+given type.  Raises `KeyError` if no name of the given type was found.
 
 Parameters
 ----------

src/sfntnames.c

@@ -129,7 +129,7 @@ Py_SfntNames_get_name(Py_SfntNames* self, PyObject* args, PyObject* kwds) {
         }
     }
 
-    Py_RETURN_NONE;
+    return PyErr_Format(PyExc_KeyError, "No name of type %d", name);
 };