def get_class_traits(klass): """ Yield all of the documentation for trait definitions on a class object. """ # FIXME: gracefully handle errors here or in the caller? source = inspect.getsource(klass) cb = CommentBlocker() cb.process_file(StringIO(source)) mod_ast = compiler.parse(source) class_ast = mod_ast.node.nodes[0] for node in class_ast.code.nodes: # FIXME: handle other kinds of assignments? if isinstance(node, compiler.ast.Assign): name = node.nodes[0].name rhs = unparse(node.expr).strip() doc = strip_comment_marker(cb.search_for_comment(node.lineno, default='')) yield name, rhs, doc