uechi.io/_posts/2017-02-28-minimal-python-jupyter-macos.markdown

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2017-10-07 11:43:26 +09:00
---
title: Install Python and Jupyter on macOS with Minimal Effort
date: 2017-02-28 11:14:00 +09:00
2019-08-14 21:24:00 +09:00
redirect_from: /blog/2017/02/28/minimal-python-jupyter-macos
2017-10-07 11:43:26 +09:00
---
Maybe you don't need `pyenv` and/or `virtualenv` in most cases.
## Install Python
> Don't have `brew`? Go to <https://brew.sh>.
```
brew install python3
```
If you still need Python 2, run `brew install python`.
## Install Jupyter Notebook
```
pip3 install jupyter
python3 -m ipykernel install --user
```
You also want Python 2 kernel, so then:
```
pip install ipykernel
python -m ipykernel install --user
```
That's all.
# How about `virtualenv`?
Since Python 3 got its own virtual environment tool called [venv](https://docs.python.org/3/library/venv.html), You no longer need `virtualenv` itself.
If you want a virtual envs on your project, run:
```
python3 -m venv venv
source ./venv/bin/activate
```
2018-07-19 20:53:12 +09:00
then `venv` will creates virtual envs on **./venv** folder on the root of your project.