47 lines
975 B
Markdown
47 lines
975 B
Markdown
---
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title: Install Python and Jupyter on macOS with Minimal Effort
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date: 2017-02-28 11:14:00 +09:00
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redirect_from: "/blog/2017/02/28/minimal-python-jupyter-macos"
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---
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Maybe you don't need `pyenv` and/or `virtualenv` in most cases.
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## Install Python
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> Don't have `brew`? Go to <https://brew.sh>.
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```
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brew install python3
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```
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If you still need Python 2, run `brew install python`.
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## Install Jupyter Notebook
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```
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pip3 install jupyter
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python3 -m ipykernel install --user
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```
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You also want Python 2 kernel, so then:
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```
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pip install ipykernel
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python -m ipykernel install --user
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```
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That's all.
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# How about `virtualenv`?
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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.
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If you want a virtual envs on your project, run:
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```
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python3 -m venv venv
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source ./venv/bin/activate
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```
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then `venv` will creates virtual envs on **./venv** folder on the root of your project.
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