Ë ‚Ö¦in ã ór — d Z ddlmZ ddlmZ ddlmZ ddlmZmZm Z m Z mZ G d„ dej « Z y) a[ Fixer for 'raise E, V, T' raise -> raise raise E -> raise E raise E, V -> raise E(V) raise E, V, T -> raise E(V).with_traceback(T) raise E, None, T -> raise E.with_traceback(T) raise (((E, E'), E''), E'''), V -> raise E(V) raise "foo", V, T -> warns about string exceptions CAVEATS: 1) "raise E, V" will be incorrectly translated if V is an exception instance. The correct Python 3 idiom is raise E from V but since we can't detect instance-hood by syntax alone and since any client code would have to be changed as well, we don't automate this. é )Úpytree)Útoken)Ú fixer_base)ÚNameÚCallÚAttrÚArgListÚis_tuplec ó — e Zd ZdZdZd„ Zy)ÚFixRaiseTzB raise_stmt< 'raise' exc=any [',' val=any [',' tb=any]] > c óv — | j }|d j « }|j t j k( rd}| j ||« y t |« rHt |« r6|j d j d j « }t |« rŒ6d|_ d|vr>t j |j t d« |g« }|j |_ |S |d j « }t |« r+|j dd D �cg c] }|j « ‘Œ } }n d |_ |g} d |v r·|d j « } d | _ |}|j t j k7 s|j dk7 rt || « }t! |t d« « t# | g« gz }t j |j$ t d« g|z « }|j |_ |S t j |j t d« t || « g|j ¬ « S c c}w )NÚexcz+Python 3 does not support string exceptionsé é Ú ÚvalÚraiseéÿÿÿÿÚ ÚtbÚNoneÚwith_traceback)Úprefix)ÚsymsÚcloneÚtyper ÚSTRINGÚcannot_convertr Úchildrenr r ÚNodeÚ raise_stmtr ÚNAMEÚvaluer r r Úsimple_stmt) ÚselfÚnodeÚresultsr r ÚmsgÚnewr ÚcÚargsr ÚeÚwith_tbs ú0/usr/lib64/python3.12/lib2to3/fixes/fix_raise.pyÚ transformzFixRaise.transform&