[Python-Dev] relation between Python.asdl and Tools/compiler/ast.txt

["Martin v. Löwis"]

> I would like to use astgen.py to generate python classes corresponding to the 
> AST of something I have defined in a .asdl file, along the line of what is
> apparently done for the python AST itself. I thought astgen.py would
> take as an argument a .asdl file, but apparently it instead process a file
> called ast.txt. Where does this file come from ? Is it generated from
> Python.asdl ?

astgen.py is not used to process asdl files; ast.txt lives right next to
astgen.py. Instead, the asdl file is processed by Parser/asdl_c.py.

HTH,
Martin