o @aB@s<dZddlZddlmZddlmZGdddeejZdS)z-Turns f-strings to format syntax with modulusN)Transformation)PythranSyntaxErrorc@seZdZdZddZdS)RemoveFStringsajTurns f-strings to format syntax with modulus >>> import gast as ast >>> from pythran import passmanager, backend >>> node = ast.parse("f'a = {1+1:4d}; b = {b:s};'") >>> pm = passmanager.PassManager("test") >>> _, node = pm.apply(RemoveFStrings, node) >>> print(pm.dump(backend.Python, node)) ('a = %4d; b = %s;' % ((1 + 1), b)) cCst|jdkrt|jdtjs|jdStdd|jDs!|Sd}g}|jD]7}t|tjr:||jdd7}q(t|tjr^|d7}|j durNt d|||j jdj7}| |jq(t tj tj|dd ttj|td d S) Nrcss|] }t|tjVqdS)N) isinstanceastFormattedValue).0valuer I/usr/lib/python3/dist-packages/pythran/transformations/remove_fstrings.py s  z1RemoveFStrings.visit_JoinedStr..%z%%z0f-strings without format specifier not supported)r kind)eltsctx)leftopright)lenvaluesrrranyZConstantr replace format_specrappendNotImplementedErrorZBinOpZModZTupleZLoad)selfZnodeZbase_strelementsr r r r visit_JoinedStrs6       zRemoveFStrings.visit_JoinedStrN)__name__ __module__ __qualname____doc__rr r r r r s r) r#ZgastrZpythran.passmanagerrZpythran.syntaxrZNodeTransformerrr r r r s