[Tutor] Can a virtual environment be renamed?

[Jim]

On 04/16/2017 02:18 PM, Mats Wichmann wrote:
> On 04/16/2017 10:16 AM, Jim wrote:
>> On 04/16/2017 10:10 AM, Chris Warrick wrote:
>>> On 16 April 2017 at 16:45, Jim <jf_byrnes at comcast.net> wrote:
>>>> My system python is 2.7.12 so I created a virtual environment using
>>>> venu to
>>>> run 3.5.2. I put it in /home/jfb/EVs/env. Now I would like to try 3.6
>>>> and
>>>> put it in env36. Is it possible to change env to env35 for 3.5.2 without
>>>> breaking things?
>>>
>>> No. You need to delete your existing virtualenv and create a new one.
>>> You can just use `pip freeze > requirements.txt` in the old one and
>>> run `pip install -r requirements.txt` in the new one to ”move” all the
>>> packages you had.
>>>
>>>
>>
>> Thanks Chris. I thought that would be the answer but wanted to check
>> before I spent a lot of time trying to do something that was not possible.
>>
>> Virtual environments tend to confuse me. My system is Mint 18.1 with
>> 2.7.12 & 3.5.2 installed. So I would have to download a tar file of 3.6,
>> then build it and then use it's version of venv to create a virtual
>> environment to try 3.6. Is that correct?
>>
>> Thanks,  Jim
>
> It doesn't need to be terribly complicated, something called pyenv can
> manage the install for you (yes, it will build it if needed).
>
> pyenv install --list
>
> to show what's available to install
>
> pyenv install 3.6.0
>
> to install a copy
>
> If you set up the shell helpers, pyenv will let you create the
> virtualenv and launch it:
>
> pyenv virtualenv 3.6.0 test-3.6.0
> pyenv activate test-3.6.0
>

Thanks Mats,

When I get a chance to try 3.6 this looks like the best way for me to 
install it.

Regards, Jim