Thanks Chris and Peter. I already went further along. No more issues so far.
2013/8/19 Peter Otten <__pete...@web.de> > Tobias Müller wrote: > > > I'm facing an issue with NodeTransformer, a tool used for Python AST > > manipulations. > > > > Last week I posted on stackoverflow.com, but there are no responses yet. > > Maybe someone reading the mailing list can have a look and leave me a > > response here or over there? > > > > > http://stackoverflow.com/questions/18275662/python-nodetransformer-how-to- > remove-nodes > > As Chris says, you are overriding too much of the generic behaviour. Here > is > a working demo: > > import ast > > class MyTransformer(ast.NodeTransformer): > def visit_For(self, node): > """ > For nodes: replace with nothing > """ > print("removing a For node") > return None > > > source = """ > l = [0, 1, 2, 3] > > total = 0 > > for i in l: > total += i > > print(total) > """ > > transformer = MyTransformer() > module = ast.parse(source) > transformer.visit(module) > codeobj = compile(module, '<string>', 'exec') > exec(codeobj) > > > -- > http://mail.python.org/mailman/listinfo/python-list >
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