Re: [venv] Setting Non-default-python-version in virtualenv
note> in my usual linux distro (archlinux) i have virtualenv installed under both py2 and py3, so for creating py2 virtualenv i have an executable virtualenv2 - convenience of my distro packages. On Mon, Sep 19, 2016 at 5:39 PM, Paul Moore wrote: > You should confirm that the python executable in the venv is actually > Python 2.7, which you can do by running > > ~/env_dir/python -V > ~/env_dir/python2.7 -V > > (both of those files should exist, and you can run the above without > activating the virtualenv, as you're specifying the exact path). > > If either of them shows Python 3 as the version, then your > installation is not working correctly. It may be that Debian has > somehow patched things in a way that's causing the issue - you say > "the default Python is Python 3.4.2" - does Debian make that happen by > some symlink juggling that might be causing issues here? (I know > almost nothing about how Linux distros patch upstream tools, but we > have had issues in the past which have ended up being related to > patches applied on Debian). > > Paul > > -- > You received this message because you are subscribed to the Google Groups > "virtualenv" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to python-virtualenv+unsubscr...@googlegroups.com. > To post to this group, send email to python-virtualenv@googlegroups.com. > Visit this group at https://groups.google.com/group/python-virtualenv. > For more options, visit https://groups.google.com/d/optout. > -- Jakub Vysoky mob: +420 605 852 377 jab: jakub.vys...@gmail.com twit: https://twitter.com/kvbik -- You received this message because you are subscribed to the Google Groups "virtualenv" group. To unsubscribe from this group and stop receiving emails from it, send an email to python-virtualenv+unsubscr...@googlegroups.com. To post to this group, send email to python-virtualenv@googlegroups.com. Visit this group at https://groups.google.com/group/python-virtualenv. For more options, visit https://groups.google.com/d/optout.
Re: [venv] Setting Non-default-python-version in virtualenv
You should confirm that the python executable in the venv is actually Python 2.7, which you can do by running ~/env_dir/python -V ~/env_dir/python2.7 -V (both of those files should exist, and you can run the above without activating the virtualenv, as you're specifying the exact path). If either of them shows Python 3 as the version, then your installation is not working correctly. It may be that Debian has somehow patched things in a way that's causing the issue - you say "the default Python is Python 3.4.2" - does Debian make that happen by some symlink juggling that might be causing issues here? (I know almost nothing about how Linux distros patch upstream tools, but we have had issues in the past which have ended up being related to patches applied on Debian). Paul -- You received this message because you are subscribed to the Google Groups "virtualenv" group. To unsubscribe from this group and stop receiving emails from it, send an email to python-virtualenv+unsubscr...@googlegroups.com. To post to this group, send email to python-virtualenv@googlegroups.com. Visit this group at https://groups.google.com/group/python-virtualenv. For more options, visit https://groups.google.com/d/optout.
Re: [venv] Setting Non-default-python-version in virtualenv
> > Also take a look on my question at stack overflow: http://stackoverflow.com/questions/39556999/setting-non-default-python-version-in-virtualenv?noredirect=1#comment66425211_39556999 -- You received this message because you are subscribed to the Google Groups "virtualenv" group. To unsubscribe from this group and stop receiving emails from it, send an email to python-virtualenv+unsubscr...@googlegroups.com. To post to this group, send email to python-virtualenv@googlegroups.com. Visit this group at https://groups.google.com/group/python-virtualenv. For more options, visit https://groups.google.com/d/optout.
Re: [venv] Setting Non-default-python-version in virtualenv
Yes i have a python 2.7 installed on my machin. On Sep 18, 2016 2:03 PM, "Amir Teymuri" wrote: > My default python version on my Debian 8.5 machine is *3.4.2*. I want to > use python *2.7* for only one project. I have tried running all of the > following commands in the terminal one by one, : > > virtualenv -p python2.7 env_dir > virtualenv -p python2 env_dir > virtualenv --python=python2.7 env_dir > > And this is the file.py inside the env_dir: > > print "Hello world from inside env_dir" > > Obviously however the file.py still gets executed with python3.4.2, > because i run: > > python file.py > > and i get: > > File "file.py", line 1 > print "Hello world from inside env_dir" > ^SyntaxError: Missing parentheses in > call to 'print' > > What is the problem, why it fails to run the code in python2.7? > > *Update* > > I have also tried: > > virtualenv -p /usr/bin/python2.7 env_dir > > source env_dir/bin/activate > > (env_dir) amir@amir-debian:~/env_dir$ python file.py > File "file.py", line 1 > print "Insid virtual env" > ^SyntaxError: Missing parentheses in call to 'print' > > Running python -V after activating returns: *Python 3.4.2* > > -- > You received this message because you are subscribed to a topic in the > Google Groups "virtualenv" group. > To unsubscribe from this topic, visit https://groups.google.com/d/ > topic/python-virtualenv/pQMSeVDZRiw/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > python-virtualenv+unsubscr...@googlegroups.com. > To post to this group, send email to python-virtualenv@googlegroups.com. > Visit this group at https://groups.google.com/group/python-virtualenv. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "virtualenv" group. To unsubscribe from this group and stop receiving emails from it, send an email to python-virtualenv+unsubscr...@googlegroups.com. To post to this group, send email to python-virtualenv@googlegroups.com. Visit this group at https://groups.google.com/group/python-virtualenv. For more options, visit https://groups.google.com/d/optout.
Re: [venv] Setting Non-default-python-version in virtualenv
On 09/18/2016 08:03 AM, Amir Teymuri wrote: > > > My default python version on my Debian 8.5 machine is *3.4.2*. I want to > use python *2.7* for only one project. I have tried running all of the > following commands in the terminal one by one, : > > virtualenv -p python2.7 env_dir > virtualenv -p python2 env_dir > virtualenv --python=python2.7 env_dir > > And this is the file.py inside the env_dir: > > print "Hello world from inside env_dir" > > Obviously however the file.py still gets executed with python3.4.2, because > i run: > > python file.py > > and i get: > > File "file.py", line 1 > print "Hello world from inside env_dir" > ^SyntaxError: Missing parentheses in > call to 'print' > > What is the problem, why it fails to run the code in python2.7? I can't reproduce here: --- %< - $ /opt/Python-3.4.3/bin/virtualenv -p python2.7 /tmp/foobar Running virtualenv with interpreter /home/tseaver/bin/python2.7 New python executable in /tmp/foobar/bin/python2.7 Also creating executable in /tmp/foobar/bin/python Installing setuptools, pip.../done. $ /tmp/foobar/bin/python Python 2.7.11 (default, Feb 22 2016, 07:44:44) [GCC 4.8.4] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> --- %< - Do you have a version of `python2.7` available on the machine? Tres. -- === Tres Seaver +1 540-429-0999 tsea...@palladion.com Palladion Software "Excellence by Design"http://palladion.com -- You received this message because you are subscribed to the Google Groups "virtualenv" group. To unsubscribe from this group and stop receiving emails from it, send an email to python-virtualenv+unsubscr...@googlegroups.com. To post to this group, send email to python-virtualenv@googlegroups.com. Visit this group at https://groups.google.com/group/python-virtualenv. For more options, visit https://groups.google.com/d/optout.
[venv] Setting Non-default-python-version in virtualenv
My default python version on my Debian 8.5 machine is *3.4.2*. I want to use python *2.7* for only one project. I have tried running all of the following commands in the terminal one by one, : virtualenv -p python2.7 env_dir virtualenv -p python2 env_dir virtualenv --python=python2.7 env_dir And this is the file.py inside the env_dir: print "Hello world from inside env_dir" Obviously however the file.py still gets executed with python3.4.2, because i run: python file.py and i get: File "file.py", line 1 print "Hello world from inside env_dir" ^SyntaxError: Missing parentheses in call to 'print' What is the problem, why it fails to run the code in python2.7? *Update* I have also tried: virtualenv -p /usr/bin/python2.7 env_dir source env_dir/bin/activate (env_dir) amir@amir-debian:~/env_dir$ python file.py File "file.py", line 1 print "Insid virtual env" ^SyntaxError: Missing parentheses in call to 'print' Running python -V after activating returns: *Python 3.4.2* -- You received this message because you are subscribed to the Google Groups "virtualenv" group. To unsubscribe from this group and stop receiving emails from it, send an email to python-virtualenv+unsubscr...@googlegroups.com. To post to this group, send email to python-virtualenv@googlegroups.com. Visit this group at https://groups.google.com/group/python-virtualenv. For more options, visit https://groups.google.com/d/optout.
