venv python version code example

Example 1: how to set up python virtual environment

# install the package virtualenv
pip install virtualenv

# setup envioronment for Data engineering pipeline
virtualenv dataengineer_pipeline

# if using python >= 3.3
python -m venv dataengineer_pipeline

# start the environment in linux using 
dataengineer_pipeline/bin/activate

# or in windows
dataengineer_pipeline\Scripts\activate.bat

# when you are done using the environment, type in the command below
deactivate

Example 2: how to make a virtual environment in python

py -m venv env

Example 3: uses specific version python venv

# Use python version 3.7.3 for tensorflow
pip install virtualenv 
virtualenv -p PYTHONPATH <path/to/new/virtualenv/>

Example 4: virtualenv specify python version

virtualenv --python=/usr/bin/python2.6 <path/to/new/virtualenv/>

Example 5: start virtualenv with python version

python3 -m venv <myenvname>