python install library in virtualenv
# ------- How to use a virtual environment on MAC? -------- #
# Use the command line to:
1º - Instal Python3 and pip3
2º - Create a folder for your virtual environment:
>> cd "path_to_the_place_you_want_to_locate_your_folder"
>> python3 -m venv "name_of_env"
3º - Activate this virtual environment:
>> source "name_of_env"/bin/activate
4º - Now you can install new things inside this environment:
>> pip3 install django # for example
### VIRTUAL ENVIRONMENT
pip install virtualenv
virtualenv pas # write the folder name
.\foldername\Scripts\activate # to activate the virtual environment
pip freeze # to get all the modules in the base interpretor / virtual env
pip freeze > requirements.txt # to set the modules and their versions in the requirement file
pip install -r requirements.txt # to install all the modules with their respected versions in the virtual env
virtualenv --system-site-packages-foldername # this creates virtual env with all the modules and versions that are preinstalled on base python interpretor
deactivate # to come out of the virtual env