python.md

Python

Table of Contents

• PyCharm
  • Black
  • Flake8
  • Connect to remote python interpreter
• Virtual environments
  • Creations of virtual environments
    • Windows 10
    • Ubuntu 18.04 LTS
  • Optional
• Python interpreters
  • PyPY
  • Installation - Windows 10
• Other tools
  • auto-changelog

PyCharm

Black

1. Installation guide: https://github.com/psf/black/blob/master/docs/editor_integration.md#pycharmintellij-idea

Flake8

1. pip install flake8
2. File / Settings / External Tools
   • Add
     • Name: Flake8
     • Description: Flake8
     • Program: flake8.exe
     • Arguments: --ignore E501,W503 $FilePath$
     • Working directory: $ContentRoot$

Connect to remote python interpreter

• Tutorial 1: https://www.jetbrains.com/help/pycharm/configuring-remote-interpreters-via-ssh.html
• Tutorial 2: https://www.jetbrains.com/help/pycharm/creating-a-remote-server-configuration.html

Virtual environments

Creations of virtual environments

Windows 10

1. Create venv: python -m venv ENV_DIR
2. Activate venv: venv\Scripts\activate.bat

Ubuntu 18.04 LTS

1. Verify that python 3 is installed.
   • python3 # Run Python 3.6.8
   • exit() # Quit Python
2. Create project directory: mkdir python_project
3. sudo apt update
4. sudo apt upgrade
5. sudo apt-get install python3-venv
6. sudo apt-get install python python3-pip
7. cd python_project
8. Create virtual environment: python3 -m venv venv
9. Activate virtual environment: source venv/bin/activate
10. Update pip: python -m pip install --upgrade pip
11. (Optional) Install project requirements. pip install -r requirements.txt
12. List installed packages: pip list

Optional

• Update pip: python get-pip.py Download get-pip.py
• Install requirements from file: pip install -r requirements.txt
• Install ipykernel (Jupyter Notebooks): pip install ipykernel
  • ipython kernel install --user --name=KERNEL_NAME
• Export requirements to file: pip freeze > requirements.txt

Python interpreters

PyPY

• Packages compatibility: http://packages.pypy.org/

Installation - Windows 10

1. Download binaries: https://www.pypy.org/download.html#
2. Unzip file
3. Rename folder to pypy (just to simplify)
4. Move to /pypy
5. pypy3 -m ensurepip
6. pypy3 -m pip install -U pip wheel
7. Install any package: pypy3 -m pip install PyYAML

Other tools

auto-changelog

1. Installation and usage: https://github.com/Michael-F-Bryan/auto-changelog