Anaconda export Environment file

Question

How can I make anaconda environment file which could be use on other computers   I exported my anaconda python environment to YML using conda env export  gt  environment yml  The exported environment yml contains this line prefix   home superdev miniconda3 envs juicyenv which maps to my anaconda s location which will be different on other s pcs

User · Answer

The easiest way to save the packages from an environment to be installed in another computer is:

$ conda list -e > req.txt

then you can install the environment using

$ conda create -n <environment-name> --file req.txt

if you use pip, please use the following commands: reference https://pip.pypa.io/en/stable/reference/pip_freeze/

$ env1/bin/pip freeze > requirements.txt
$ env2/bin/pip install -r requirements.txt

User · Answer

Linux     conda env export --no-builds   grep -v  prefix    environment yml  Windows     conda env export --no-builds   findstr -v  prefix    environment yml      Rationale  By default  conda env export includes the build information     conda env export     dependencies    - backcall 0 1 0 py37 0   - blas 1 0 mkl   - boto 2 49 0 py 0       You can instead export your environment without build info     conda env export --no-builds     dependencies    - backcall 0 1 0   - blas 1 0   - boto 2 49 0       Which unties the environment from the Python version and OS

User · Answer

I find exporting the packages in string format only is more portable than exporting the whole conda environment  As the previous answer already suggested     conda list -e  gt  requirements txt   However  this requirements txt contains build numbers which are not portable between operating systems  e g  between Mac and Ubuntu  In conda env export we have the option --no-builds but not with conda list -e  so we can remove the build number by issuing the following command     sed -i -E  s                  1   requirements txt    And recreate the environment on another computer   conda create -n recreated env --file requirements txt

User · Answer

First activate your conda environment  the one u want to export backup    conda activate myEnv    Export all packages to a file  myEnvBkp txt    conda list --explicit  gt  myEnvBkp txt    Restore import the environment    conda create --name myEnvRestored --file myEnvBkp txt

User · Answer

I can t find anything in the conda specs which allow you to export an environment file without the prefix      line  However  as Alex pointed out in the comments  conda doesn t seem to care about the prefix line when creating an environment from file    With that in mind  if you want the other user to have no knowledge of your default install path  you can remove the prefix line with grep before writing to environment yml   conda env export   grep -v   prefix     gt  environment yml   Either way  the other user then runs   conda env create -f environment yml   and the environment will get installed in their default conda environment path   If you want to specify a different install path than the default for your system  not related to  prefix  in the environment yml   just use the -p flag followed by the required path   conda env create -f environment yml -p  home user anaconda3 envs env name   Note that Conda recommends creating the environment yml by hand  which is especially important if you are wanting to share your environment across platforms  Windows Linux Mac   In this case  you can just leave out the prefix line

[python] Anaconda export Environment file

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