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�mec@s_dZddlmZddlmZddlmZmZmZdejfd��YZ	dS(s�Fixer for exec.

This converts usages of the exec statement into calls to a built-in
exec() function.

exec code in ns1, ns2 -> exec(code, ns1, ns2)
i(tpytree(t
fixer_base(tCommatNametCalltFixExeccBseZeZdZd�ZRS(sx
    exec_stmt< 'exec' a=any 'in' b=any [',' c=any] >
    |
    exec_stmt< 'exec' (not atom<'(' [any] ')'>) a=any >
    cCs�|j}|d}|jd�}|jd�}|j�g}d|d_|dk	rx|jt�|j�g�n|dk	r�|jt�|j�g�nttd�|d|j�S(Ntatbtctiuexectprefix(	tsymstgettcloneR
tNonetextendRRR(tselftnodetresultsRRRRtargs((s./usr/lib64/python2.7/lib2to3/fixes/fix_exec.pyt	transforms	

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BM_compatibletPATTERNR(((s./usr/lib64/python2.7/lib2to3/fixes/fix_exec.pyRsN(
t__doc__R	RRt
fixer_utilRRRtBaseFixR(((s./usr/lib64/python2.7/lib2to3/fixes/fix_exec.pyt<module>
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