Message 69618 - Python tracker

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Content 
why not?  it allows developers to migrate 2.x scripts one-by-one to
working 3.0 conformant ones while maintaining backwards-compatibility w/
existing 2.x scripts & extension modules (eg. numpy, PIL, zope, ...)

py3to2 can transparently import & mix & match 2.x & 3.0 scripts (but
builtins/extensions must b 2.x - hence its a 2to3 migration tool).

@ the moment, every script compilable by py3to2 should b 3.0 language
conformant, or otherwise it would fail the syntax check & byte-compile
stage performed by the python 3.0 slave interpreter (see Mechanism for
details).