virtual env in python
pip install --user virtualenv
py -m venv env
.envScriptsactivate
virtual env in python
pip install --user virtualenv
py -m venv env
.envScriptsactivate
python virtual env
$ source venv/bin/activate
how to activate venv python
(tutorial-env) $ python -m pip install -r requirements.txt
Collecting novas==3.1.1.3 (from -r requirements.txt (line 1))
...
Collecting numpy==1.9.2 (from -r requirements.txt (line 2))
...
Collecting requests==2.7.0 (from -r requirements.txt (line 3))
...
Installing collected packages: novas, numpy, requests
Running setup.py install for novas
Successfully installed novas-3.1.1.3 numpy-1.9.2 requests-2.7.0
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