Python package won't upgrade

Question

As part of a deployment procedure, I upload Python source packages (generated with setup.py sdist) to a remote server and install them in a virtualenv using pip install mypackage-1.0.tar.bz2.

This has worked for long time both for new installs and upgrades (specifically, upgrades without a change in the package's version number). For some reason I cannot figure out, since yesterday, it fails to upgrade the packages. No error is reported, the files are just not changed. Now I'm sure I'm doing something differently but I can't explain the change in behaviour.

I can upgrade the package with the -U --no-deps flags, but this technique forces the deployment script to differentiate between first install and upgrades (--no-deps is required as otherwise dependencies would be downloaded each time from pypi).

Any ideas how I can get a single pip command to do installs and upgrades?

After activating the virtualenv, pip install mypackage-1.0.tar.bz2 is what used to work, pip install -U --no-deps mypackage-1.0.tar.bz2 is what now allows me to do an upgrade. — jd.
– jd., Commented Jan 16, 2012 at 10:22

Bengineer · Accepted Answer · 2012-04-23 17:20:36Z

1

pip install package will only be executed with you don't have this package already. With you want to upgrade the package you'll have to use: pip install -U package

answered Apr 23, 2012 at 17:20

Bengineer

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