[Toaster] virtualenv for toaster and python 3

[Ed Bartosh]

On Tue, May 31, 2016 at 11:48:01AM -0700, Christopher Larson wrote:
> On Tue, May 31, 2016 at 11:47 AM, Brian Avery <avery.brian at gmail.com> wrote:
> 
> > One possible solution is to use RP's suggestion to leverage the --user
> > argument (which stores packges in
> > $HOME/.local/lib/python3.4/site-packages.
> >
> > >pip3 install --user -r poky/bitbake/toaster-requirements.txt
> > * works except wsgiref is not python3 compatible yet
> > >pip3 list installed --local
> > argparse (1.2.1)
> > beautifulsoup4 (4.4.1)
> > Django (1.8.13)
> >
> > * works to show what is a --user install vs a global site install.
> > > pip3 uninstall/install --user --upgrade/.... works as expected...
> >
> 
> Cluttering up my ~/.local with app/project specific requirements is not
> appropriate. As someone who uses --user quite a bit, I'd be quite annoyed
> by this.

So far pip3 --user looks like the only working approach to me. It's not
ideal, but it's not that bad either. It should be used for its direct purpose
- to install dependencies for 'one user' mode.

For production Toaster instances I'd suggest to install runtime
dependencies on the host system.

BTW, Toaster has only one runtime requirement: Django. argparse and
wsgiref is a legacy and beautifulsoup4 is not a runtime dependency. It's used only
in tests.

--
Regards,
Ed