[Python-ideas] venv *is* provided in the standard Python install on Debian/Ubuntu
stephanh42 at gmail.com
Sun Nov 12 14:24:35 EST 2017
The venv module is included,
however the pyvenv script is in a separate package
By the way, I was totally confused by the following text form the doc.
Deprecated since version 3.6: pyvenv was the recommended tool for creating
virtual environments for Python 3.3 and 3.4, and is deprecated in Python 3.6
Changed in version 3.5: The use of venv is now recommended for creating
So many questions:
* What is the status of "pyenv" in 3.5? Apparently it is not deprecated
* What is it replaced by? Apparently "venv", but it doesn't say so
* Is "venv" the same thing as "python -m venv" discussed earlier? Or is it a
different thing? With so many things names so similarly, it is hard to
* What does it mean for "venv" to be recommend in 3.5 if "pyvenv" is not
Also, the link brings us to a long page of "What's New in Python 3.6" .
Just searching for "venv" only gives the apparently irrelevant:
"venv <https://docs.python.org/dev/library/venv.html#module-venv> accepts a
new parameter --prompt. This parameter provides an alternative prefix for
the virtual environment. (Proposed by Łukasz Balcerzak and ported to 3.6 by
Stéphane Wirtel in bpo-22829 <https://bugs.python.org/issue22829>.)
I suppose at that point the newbie gave up and downloaded node.js ;-)
On Sun, 12 Nov 2017 12:20:45 +0000
> Paul Moore <p.f.moore at gmail.com> wrote:
> > > Well, not exactly. Do you do python -m venv, or py -x.x -m venv or
> > > pythonx -m venv ? Wait, it's not installed by default on debian.
> > Seriously? Debian don't provide venv in the standard Python install?
> > That's just broken.
> Frankly, I don't know where the current discussion comes from, but on
> two recent Debian and Ubuntu setups, I get:
> $ dpkg -S /usr/lib/python3.5/venv/__init__.py
> libpython3.5-stdlib:amd64: /usr/lib/python3.5/venv/__init__.py
> Which, for the uninitiated, means "the venv module is provided by the
> Debian/Ubuntu package named libpython3.5-stdlib". That package is, in
> turn, a dependency of the "python3.5" package.
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