[Distutils] environment replication

[Wes Turner]

On Thursday, May 4, 2017, Robin Becker <robin at reportlab.com> wrote:

> I have a bunch of virtual environments which need replicating from one
> machine to another. In the past rsync was OK, but now with slightly
> different environments I have been using pip freeze to get a list of the
> installed requirements and pip install to carry out changes to the remote
> environment.
>
> Is there a way to resolve issues where pip reports a different package to
> the one installed eg
>
>
After you've installed as editable with `pip install - git+
https://GitHub.com/project/team`, pip freeze is not displaying the source
url?

Or did you manually git clone and then `python setup.py install` or `pip
install -e`?



>
> the original requirements say
>
> git+http://github.com/django-cumulus/django-cumulus.git@mast
> er#egg=django-cumulus
>
> but pip freeze will only say
>
>
> django-cumulus===1.0.19-22-g506121d
>
> ie we lost the actual installation notation. Given that the git location
> is actually unstable ie the revision can change it seems quite hard to get
> reproducibility in an automatic fashion.
>
> g506121d is derived from the repo hash (https://github.com/django-cum
> ulus/django-cumulus/commit/506121d8669e1cce8843d9f76f2767324f8b1e78), but
> I see no way to guess that from the version string unless there some
> standard decoding I can do of the revision.


- SemVer.org has a filename field for (previous) git hashes
- https://github.com/kennethreitz/pipenv


> --
> Robin Becker
> _______________________________________________
> Distutils-SIG maillist  -  Distutils-SIG at python.org
> https://mail.python.org/mailman/listinfo/distutils-sig
>
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