On 2012-11-09 22:56:46 +0000, Vinay Sajip said:
Vinay Sajip <vinay_sajip <at> yahoo.co.uk> writes:
So, according to the declarations, each package depends on the other. Can
setuptools / distribute deal with this sort of situation? If so, how does
that work?
My question also applies to pip, of course. I know it uses setuptools /
distribute under the covers, but I'm not sure if it has additional / different
dependency resolution logic.
Just a guess, but I think it works "as expected". If you e.g. pip
install Zope2 you get the install_requires Products.OFSP. In order for
OFSP installaion to succeed, it's install_requires must be satisfied.
It doesn't really matter that the deps are circular, as long as they
are sane. If a dep is not sane (e.g. foo 1.0 requires bar which
requires foo < 1.0) then installation will fail, regardless of its
"circularity" or "non-circularity". Also, I don't think there is any
"circular detection" built in or at least if there is, I've never seen
any evidence of it in practice.
Regards,
Vinay Sajip
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