Allow the method autodocumenter (.. autofunction) to work without a Service parent (ie without a WSRoot). Added the path & method parameters that NOT considered for now.

wsme/pecan.py

@@ -65,6 +65,7 @@ def wsexpose(*args, **kwargs):
         pecan_xml_decorate(callfunction)
         pecan_json_decorate(callfunction)
         pecan.util._cfg(callfunction)['argspec'] = inspect.getargspec(f)
+        callfunction._wsme_definition = funcdef
         return callfunction
 
     return decorate

wsme/sphinxext.py

@@ -334,10 +334,14 @@ class FunctionDocumenter(autodoc.MethodDocumenter):
     objtype = 'function'
     priority = 1
 
+    option_spec = {
+        'path': directives.unchanged,
+        'method': directives.unchanged
+    }
+
     @classmethod
     def can_document_member(cls, member, membername, isattr, parent):
-        return isinstance(parent, ServiceDocumenter) \
-            and wsme.api.iswsmefunction(member)
+        return wsme.api.iswsmefunction(member)
 
     def import_object(self):
         ret = super(FunctionDocumenter, self).import_object()