Using Pip to install packages to Anaconda Environment

Question

conda 4 2 13 MacOSX 10 12 1  I am trying to install packages from pip to a fresh environment  virtual  created using anaconda   In the Anaconda docs it says this is perfectly fine   It is done the same way as for virtualenv        Activate the environment where you want to put the program  then pip install a program      I created an empty environment in Ananconda like this   conda create -n shrink venv   Activate it   source activate shrink venv   I then can see in the terminal that I am working in my env  shrink venv    Problem is coming up  when I try to install a package using pip    shrink venv   pip install Pillow  Requirement already satisfied  use --upgrade to upgrade   Pillow in  Library Python 2 7 site-packages   So I can see it thinks the requirement is satisfied from the system-wide package   So it seems the environment is not working correctly  definitely not like it said in the docs   Am I doing something wrong here   Just a note  I know you can use conda install for the packages  but I have had an issue with Pillow from anaconda  so I wanted to get it from pip  and since the docs say that is fine   Output of which -a pip    usr local bin pip  Users my user anaconda bin pip      UPDATE    I see this is pretty common issue  What I have found is that the conda env doesn t play well with the PYTHONPATH  The system seems to always look in the PYTHONPATH locations even when you re using a conda environment  Now  I always run unset PYTHONPATH when using a conda environment  and it works much better  I m on a mac

User · Answer

python -m pip install Pillow  Will use pip of current Python activated with   source activate shrink venv

User · Answer

if you re using windows OS open Anaconda Prompt and type activate yourenvname  And if you re using mac or Linux OS open Terminal and type source activate yourenvname  yourenvname here is your desired environment in which you want to install pip package  after typing above command you must see that your environment name is changed from base to your typed environment yourenvname in console output  which means you re now in your desired environment context   Then all you need to do is normal pip install command e g pip install yourpackage  By doing so  the pip package will be installed in your Conda environment

User · Answer

I know the original question was about conda under MacOS  But I would like to share the experience I ve had on Ubuntu 20 04  In my case  the issue was due to an alias defined in    bashrc  alias pip   usr bin pip3   That alias was taking precedence on everything else  So for testing purposes I ve removed the alias running unalias pip command  Then the corresponding pip of the active conda environment has been executed properly  The same issue was applicable to python command

User · Answer

If you ONLY want to have a conda installation  Just remove all of the other python paths from your PATH variable   Leaving only   C  ProgramData Anaconda3 C  ProgramData Anaconda3 Scripts C  ProgramData Anaconda3 Library bin   This allows you to just use pip install   and it will install straight into your conda installation

User · Answer

This is what worked for me  Refer to image linked    Open Anaconda Select Environments in the left hand pane below home Just to the right of where you selected and below the  search environments  bar  you should see base root   Click on it A triangle pointing right should appear  click on it an select  open terminal  Use the regular pip install command here  There is no need to point to an environment  path    For future reference  you can find the folder your packages are downloading to if you happen to have a requirement already satisfied  You can see it if you scroll up in the terminal  It should read something like  requirement already satisfied and then the path

User · Answer

All you have to do is open Anaconda Prompt and type  pip install package-name   It will automatically install to the anaconda environment without having to use  conda install package-name   Since some of the conda packages may lack support overtime it is required to install using pip and this is one way to do it  If you have pip installed in anaconda you can run the following in jupyter notebook or in your python shell that is linked to anaconda  pip main   install    package-name      Check your version of pip with pip   version    If it is version 10 x x or above  then install your python package with this line of code  subprocess check call  sys executable   -m    pip    install    --upgrade    package-name      In your jupyter notebook  you can install python packages through pip in a cell this way    pip install package-name   or you could use your python version associated with anaconda   python3 6 -m pip install package-name

User · Answer

Uninstall the duplicated python installation  Just keep anaconda and create an env with the desired python version as specified here  https   docs conda io projects conda en latest user-guide tasks manage-python html  Then your python and pip versions will change as you switch between envs

User · Answer

For others who run into this situation  I found this to be the most straightforward solution     Run conda create -n venv name and source activate venv name  where venv name is the name of your virtual environment   Run conda install pip  This will install pip to your venv directory   Find your anaconda directory  and find the actual venv folder  It should be somewhere like  anaconda envs venv name    Install new packages by doing  anaconda envs venv name bin pip install package name     This should now successfully install packages using that virtual environment s pip

User · Answer

Well I tried all the above methods  None worked for me  The following worked for me    Activate your environment  Download the  whl package manually from https   pypi org simple   Navigate to the folder where you have downloaded the  whl from the command line with your environment activated perform             pip install package name whatever whl

User · Answer

Depends on how did you configure your PATH environmental variable  When your shell resolves the call to pip  which is the first bin it will find    test   whereis pip pip   home borja anaconda3 envs test bin pip  home borja anaconda3 bin pip   Make sure the bin folder from your anaconda installation is before  usr lib  depending on how you did install pip   So an example    test  borja xxxx    pip install djangorestframework      Successfully installed asgiref-3 2 3 django-3 0 3 djangorestframework-3 11 0 pytz-2019 3 sqlparse-0 3 1   test  borja xxxx    conda list   grep django django                    3 0 3                    pypi 0    pypi djangorestframework       3 11 0                   pypi 0    pypi   We can see the djangorestframework was installed in my test environment but if I check my base    base  borja xxxx    conda list   grep django    It is empty   Personally I like to handle all my PATH configuration using  pam environment  here an example    base  borja xxxx    cat  pam environment PATH DEFAULT  home   PAM USER  anaconda3 bin   PATH       One extra commet  The way how you install pip might create issues     You should use  conda install pip --  new packages installed with pip will be added to conda list  You shodul NOT use  sudo apt install python3-pip --  new packages will not be added to conda list  so are not managed by conda  but you will still be able to use them  chance of conflict

User · Answer

I was facing a problem in installing a non conda package on anaconda  I followed the most liked answer here and it didn t go well  maybe because my anaconda is in F directory and env created was in C and bin folder was not created  I have no idea but it didn t work    According to anaconda pip is already installed   which is found using the command  conda list  on anaconda prompt   but pip packages were not getting installed so here is what I did  I installed pip again and then pip installed the package   conda install pip pip install see   see is a non-conda package

User · Answer

If you didn t add pip when creating conda environment   conda create -n env name pip   and also didn t install pip inside the environment  source activate env name conda install pip   then the only pip you got is the system pip  which will install packages globally   Bus as you can see in this issue  even if you did either of the procedure mentioned above  the behavior of pip inside conda environment is still kind of undefined   To ensure using the pip installed inside conda environment without having to type the lengthy  home username anaconda envs env name bin pip  I wrote a shell function     Using pip to install packages inside conda environments  cpip         ERROR MSG  Not in a conda environment       ERROR MSG   ERROR MSG nUse   source activate ENV        ERROR MSG   ERROR MSG to enter a conda environment          -z   CONDA DEFAULT ENV     amp  amp  echo   ERROR MSG   amp  amp  return 1      ERROR MSG  Pip not installed in current conda environment       ERROR MSG   ERROR MSG nUse   conda install pip        ERROR MSG   ERROR MSG to install pip in current conda environment          -e   CONDA PREFIX bin pip        echo   ERROR MSG   amp  amp  return 2       PIP   CONDA PREFIX bin pip        PIP           Hope this is helpful to you

User · Answer

For those wishing to install a small number of packages in conda with pip then using   sudo   which pip  install  lt instert package name gt    worked for me   Explainaton  It seems  for me anyway  that which pip is very reliable for finding the conda env pip path to where you are  However  when using sudo  this seems to redirect paths or otherwise break this   Using the   which pip  executes this independently of the sudo or any of the commands and is akin to running  home  lt username gt   mini conda 3  envs  lt env name gt  pip in Linux  This is because     is run separately and the text output added to the outer command

User · Answer

All above answers are mainly based on use of virtualenv  I just have fresh installation of anaconda3 and don t have any virtualenv installed in it  So  I have found a better alternative to it without wondering about creating virtualenv   If you have many pip and python version installed in linux  then first run  below command to list all installed pip paths      whereis pip   You will get something like this as output      pip   usr bin pip  home prabhakar anaconda3 bin pip  usr share man man1 pip 1 gz   Copy the path of pip which you want to use to install your package and paste it after sudo replacing  home prabhakar anaconda3 bin pip in below command      sudo  home prabhakar anaconda3 bin pip install  lt package-name gt    This worked pretty well for me  If you have any problem installing  please comment

User · Answer

I solved this problem the following way   If you have a non-conda pip as your default pip but conda python is your default python  as below    gt which -a pip  home  lt user gt   local bin pip     home  lt user gt   conda envs newenv bin pip  usr bin pip   gt which -a python  home  lt user gt   conda envs newenv bin python  usr bin python   Then instead of just calling pip install  lt package gt   you can use the module flag -m with python so that it uses the anaconda python for the installation  python -m pip install  lt package gt    This installs the package to the anaconda library directory rather than to the library directory associated with  the non-anaconda  pip

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