In article <mailman.4042.1239964684.11746.python-l...@python.org>, Robin Becker <ro...@reportlab.com> wrote: > >My analysis of the problem is that in > >#### start p.py >def func(D): > for k in D: > exec '%s=D[%r]' % (k,k) > print i, j, k > print locals() > print i, j, k > >if __name__=='__main__': > func(dict(i=1,j=33)) >#### end p.py > >the compiler package ends up treating i & j as global, whereas the >modern analysis doesn't (and doesn't say they're definitely local >either). Looking at the code in Python/compile.c the compile_nameop >code seems to check for scopes FREE, CELL, LOCAL, GLOBAL_IMPLICIT & >GLOBAL_EXPLICIT whereas pycodegen.CodeGenerator._nameOp seems not to >know about GLOBAL_IMPLICIT/EXPLICIT but has only a single GLOBAL scope.
At this point, given the lack of response from people who actually know the compiler internals, I think it's fair of you to try going to python-dev -- normally questions like this are off-topic, and if someone complains, I'll take the blame. ;-) -- Aahz (a...@pythoncraft.com) <*> http://www.pythoncraft.com/ "If you think it's expensive to hire a professional to do the job, wait until you hire an amateur." --Red Adair -- http://mail.python.org/mailman/listinfo/python-list
