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Deactivating a Virtual Environment

Dan Bader
Working With Python Virtual Environments Dan Bader 00:42
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When you’re done working on a project, you may want to go back to using the global Python or switch to a different virtual environment. This is easy to do using the deactivate command. In this lesson you’ll see how to deactivate and re-activate virtual environments.

00:00 Now the question is, “Okay, how do I get back to the global environment?” And it’s pretty easy to do. So, when you’re inside a virtual environment you can just use the deactivate command, which is part of any enabled, any active virtual env.

00:13 So when I run this command, it’s going to take me back to the global environment, and now when I go which pip3 it’s going to point to the global environment here again.

00:23 And then if I wanted to go back into the virtual environment, I would do the same thing and it would turn it back on. All right, now I’m back in, and now we’re back out. Cool!

koinonia9912 on July 23, 2020

Please consider discussing virtual environments when using miniconda3 and anaconda3 and also using pip3 all on same machine, and how to avoid complications. Also, if the system-wide install environment has no name when using pip3 but has the name (base) in conda environment?

(base) C:\Users\CCH>conda env list

                         C:\Users\CCH\Anaconda3
base                  *  C:\Users\CCH\Anaconda3_32bit

***********************************************************
*** Following RP module steps ***
***********************************************************
(base) C:\Users\CCH>mkdir my_python_projects

(base) C:\Users\CCH>cd my_python_projects

(base) C:\Users\CCH\my_python_projects>mkdir venvs

(base) C:\Users\CCH\my_python_projects>cd venvs

(base) C:\Users\CCH\my_python_projects\venvs>where conda
C:\Users\CCH\Anaconda3_32bit\Library\bin\conda.bat
C:\Users\CCH\Anaconda3_32bit\Scripts\conda.exe
C:\Users\CCH\Anaconda3\condabin\conda.bat
C:\Users\CCH\Anaconda3\Scripts\conda.exe

(base) C:\Users\CCH\my_python_projects\venvs>dir
 Volume in drive C is Windows
 Volume Serial Number is F8EC-18BD
 Directory of C:\Users\CCH\my_python_projects\venvs
07/22/2020  04:19 PM    <DIR>          .
07/22/2020  04:19 PM    <DIR>          ..
07/22/2020  04:19 PM    <DIR>          venvPy3.8-32
               0 File(s)              0 bytes
               3 Dir(s)  317,172,707,328 bytes free

(base) C:\Users\CCH\my_python_projects\venvs>cd venvPy3.8-32

(base) C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32>dir
 Volume in drive C is Windows
 Volume Serial Number is F8EC-18BD
 Directory of C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32
07/22/2020  04:19 PM    <DIR>          .
07/22/2020  04:19 PM    <DIR>          ..
07/22/2020  04:19 PM    <DIR>          Include
07/22/2020  04:19 PM    <DIR>          Lib
07/22/2020  04:19 PM               118 pyvenv.cfg
07/22/2020  04:20 PM    <DIR>          Scripts
                  1 File(s)           118 bytes

(base) C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32>cd Lib

(base) C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32\Lib>dir
 Volume in drive C is Windows
 Volume Serial Number is F8EC-18BD
 Directory of C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32\Lib
07/22/2020  04:19 PM    <DIR>          .
07/22/2020  04:19 PM    <DIR>          ..
07/22/2020  04:20 PM    <DIR>          site-packages
               0 File(s)              0 bytes
               3 Dir(s)  317,175,427,072 bytes free

(base) C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32\Lib>cd site-*
(base) C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32\Lib\site-packages>dir
 Volume in drive C is Windows
 Volume Serial Number is F8EC-18BD
 Directory of C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32\Lib \site-packages
07/22/2020  04:20 PM    <DIR>          .
07/22/2020  04:20 PM    <DIR>          ..
07/22/2020  04:19 PM               126 easy_install.py
07/22/2020  04:20 PM    <DIR>          pip
07/22/2020  04:20 PM    <DIR>          pip-19.2.3.dist-info
07/22/2020  04:19 PM    <DIR>          pkg_resources
07/22/2020  04:19 PM    <DIR>          setuptools
07/22/2020  04:19 PM    <DIR>          setuptools-41.2.0.dist-info
07/22/2020  04:19 PM    <DIR>          __pycache__
               1 File(s)            126 bytes
               8 Dir(s)  317,174,956,032 bytes free           1 

(base) C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32\Lib\site-packages>deactivate
DeprecationWarning: 'deactivate' is deprecated. Use 'conda deactivate'.

(base) C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32\Lib
    \site-packages>conda.bat deactivate

C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32\Lib
    \site-packages>cd ..

C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32\Lib>cd ../Scripts

C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32\Scripts>dir
 Volume in drive C is Windows
 Volume Serial Number is F8EC-18BD
 Directory of C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32 \Scripts
07/22/2020  04:20 PM    <DIR>          .
07/22/2020  04:20 PM    <DIR>          ..
07/22/2020  04:20 PM             2,326 activate
07/22/2020  04:20 PM               995 activate.bat
07/22/2020  04:20 PM            18,454 Activate.ps1
07/22/2020  04:20 PM               368 deactivate.bat
07/22/2020  04:19 PM            93,080 easy_install-3.8.exe
07/22/2020  04:19 PM            93,080 easy_install.exe
07/22/2020  04:20 PM            93,062 pip.exe
07/22/2020  04:20 PM            93,062 pip3.8.exe
07/22/2020  04:20 PM            93,062 pip3.exe
07/22/2020  04:19 PM           420,936 python.exe
07/22/2020  04:19 PM           419,912 pythonw.exe
07/22/2020  04:19 PM           559,104 pythonw_d.exe
07/22/2020  04:19 PM           560,640 python_d.exe
              13 File(s)      2,448,081 bytes
               2 Dir(s)  317,173,010,432 bytes free

C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32\Scripts>activate    

(venvPy3.8-32) C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32
    \Scripts>where python
C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32\Scripts\python.exe
C:\Users\CCH\Anaconda3\python.exe
C:\Users\CCH\AppData\Local\Programs\Python\Python38-32\python.exe

(venvPy3.8-32) C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32 \Scripts>deactivate
C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32\Scripts>python
Python 3.8.3 (tags/v3.8.3:6f8c832, May 13 2020, 22:20:19) [MSC v.1925 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> exit()

C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32\Scripts>conda env list
# conda environments:
#
base                  *  C:\Users\CCH\Anaconda3
                         C:\Users\CCH\Anaconda3_32bit
C:\Users\CCH\my_python_projects\venvs\venvPy3.8-32
    \Scripts>cd C:\Users\CCH\Anaconda3_32bit

C:\Users\CCH\Anaconda3_32bit>conda deactivate

C:\Users\CCH\Anaconda3_32bit>conda deactivate

C:\Users\CCH\Anaconda3_32bit>conda env list
# conda environments:
#
base                  *  C:\Users\CCH\Anaconda3
                         C:\Users\CCH\Anaconda3_32bit



C:\Users\CCH\Anaconda3_32bit>conda activate .

(C:\Users\CCH\Anaconda3\envs) C:\Users\CCH\Anaconda3_32bit>where pip3
C:\Users\CCH\AppData\Local\Programs\Python\Python38-32\Scripts\pip3.exe

(C:\Users\CCH\Anaconda3\envs) C:\Users\CCH\Anaconda3_32bit>conda list

EnvironmentLocationNotFound: Not a conda environment: 
                                            C:\Users\CCH\Anaconda3\envs

(C:\Users\CCH\Anaconda3\envs) C:\Users\CCH\Anaconda3_32bit>pip3 list
Package    Version
---------- -------
pip        19.2.3
setuptools 41.2.0

(C:\Users\CCH\Anaconda3\envs) C:\Users\CCH\Anaconda3_32bit>conda env list
# conda environments:
#
base                     C:\Users\CCH\Anaconda3
                         C:\Users\CCH\Anaconda3_32bit

(C:\Users\CCH\Anaconda3\envs) C:\Users\CCH\Anaconda3_32bit>python
Python 3.7.6 (default, Jan  8 2020, 16:21:45) [MSC v.1916 32 bit (Intel)] :: Anaconda, Inc. on win32
Warning:
This Python interpreter is in a conda environment, but the environment has not been activated.  Libraries may fail to load.  To activate this environment please see https://conda.io/activation
Type "help", "copyright", "credits" or "license" for more information.
>>> exit()

(C:\Users\CCH\Anaconda3\envs) C:\Users\CCH\Anaconda3_32bit>pip3 list
Package    Version
---------- -------
pip        19.2.3
setuptools 41.2.0

(C:\Users\CCH\Anaconda3\envs) C:\Users\CCH\Anaconda3_32bit>
                                                  where python.exe
C:\Users\CCH\Anaconda3_32bit\python.exe
C:\Users\CCH\Anaconda3\python.exe
C:\Users\CCH\AppData\Local\Programs\Python\Python38-32\python.exe

(C:\Users\CCH\Anaconda3\envs) C:\Users\CCH\Anaconda3_32bit>
                                                 cd ..\Anaconda3\envs

(C:\Users\CCH\Anaconda3\envs) C:\Users\CCH\Anaconda3\envs>cd ..

(C:\Users\CCH\Anaconda3\envs) C:\Users\CCH\Anaconda3>conda deactivate

C:\Users\CCH\Anaconda3>activate base

C:\Users\CCH\Anaconda3>conda.bat activate base

(base) C:\Users\CCH\Anaconda3>where pip
C:\Users\CCH\Anaconda3\Scripts\pip.exe
C:\Users\CCH\AppData\Local\Programs\Python\Python38-32\Scripts\pip.exe

(base) C:\Users\CCH\Anaconda3>conda env list
# conda environments:
#
base                  *  C:\Users\CCH\Anaconda3
                         C:\Users\CCH\Anaconda3_32bit


(base) C:\Users\CCH\Anaconda3>

I was able to change the default python environment in Visual Studio 2019

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