I've learnt a lesson re. configuration management.
When setting up new projects, esp. projects built on frameworks like TurboGears, you should keep your eggs handy, for all possible platforms.
an "easy_install TurboGears==1.0.1" in September will not necessarily download the same code in October. In particular, it seems RuleDispatch has changed, which exposes a new bug in my application... grrr.
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3 comments:
Can't you note the version of RuleDispatch on one machine, install the same on another, and then install TurboGears? RuleDispatch is a separate package. No wonder the same version of TurboGears can pull up a version of RuleDispatch different from the one it would have pulled a month ago.
Also, you can record the exact versions of required packages in your own application. The install_requires argument of setuptools.setup allows that.
Yep, thats true. In this case however, it seems that RuleDispatch eggs don't seem to hang around long, so when easy_install RuleDispatch==the_version_i_need, setuptools reports that it can't satisfy the requirement. Hence the argument for keeping copies of the eggs yourself.
Agreed, TurboGears packages RuleDispatch themselves so you're at their mercy :-). Using install_requires would at least provide for a "clean failure."
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