CONDA virtual environment management (create, delete, clone, rename, export and import)

1. Create an environment 、 Activate the environment

#  Create an environment  env_name
conda create -n env_name python=3.7  # env_name The name of the new environment created for you 
#  Activate the environment 
activate env_name

2. Delete environment

conda remove -n env_name --all  # env_name For the name of the environment you want to delete 

3. Copy ( clone ) Environmental Science

conda create -n env2 --clone env1

4. Rename environment

conda In fact, there is no rename command , Renaming is achieved by clone Accomplished , The process is as follows
1.clone One copy env_old Our environment is env_new
2. then , Delete env_old Environment

conda create -n env_new --clone env_old
conda remove -n env_old --all

5. Export environment

anaconda env_name # envname Is the name of the environment to export , You need to switch to this environment before exporting 
conda env export > environment.yaml
pip freeze > pip.txt

6. Import environment

conda env create -f environment.yaml	#  Directly based on yaml File to create an environment and install dependent packages 
pip install -r pip.txt	#  be used for pip Derived 
conda install --y --file requirements.txt #  Apply to numpy=1.19.1 Formal