On 30 September 2014 14:05, Robert Collins <[email protected]> wrote:
> I'm poking around now. It looks like pip install -e outside a venv > writes to /usr/local/lib/python2.7/dist-packages, which is pure crack > - dist-packages is for the distro, site-packages for pip. Sigh. Also > writing to /usr/local/lib when the python prefix is /usr. More > weirdness. > > Will be back with more soon :) So, I've pushed up an updated oslo.db patch that works in the wider set of situations we've identified. I've attached my test script (adjust as needed - be sure to use the updated pbr and the oslo tree from github and adjust paths as needed :)). The basic theory in this particular implementation boils down to this: - within distro packages, things are installed as normal, its a no-brainer. - within a venv, pip can happily ignore any dependent namespace packages it cannot import and just install them so the failure mode on things we can't import is that we install them in the venv as well - but we add the namespace site packages when working from the working directory, so that we can pick those things up [but we could just ignore them and pip install them] I think there is one remaining flaw, which is that I haven't written the code to *not* add system site (turns out python doesn't really expose that in a standard fashion) - but I think that can wait for some folk to beat on this and report whether it works for them too. -Rob -- Robert Collins <[email protected]> Distinguished Technologist HP Converged Cloud
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