Pynball

Centralized management and utilization of all your Python versions, installations and virtual environments.

You may have a requirement for development on various versions of Python. Or you may have a mixture of installations including pyenv, custom installations, system installations etc. Pynball can make leveraging such environments a lot easier.

Features

• Consolidates all Python installations including pyenv versions into a single management system.
• Easily create Virtual Environments using any Python version.
• Track which virtual environments have which Python versions and tox versions.
• Quickly change the System interpreter

Pre Installation Requirements

Minimum Requirements

1. Python 3.10+
2. pipx
3. Virtualenv (which has benefits over venv)
4. Virtualenvwrapper

For Maximum Benefits additionally install the following:

1. pyenv

Installation

OS X & Linux:

Will be supported in version 2

Windows:

pipx install pynball

Usage example

View Available commands

pynball
Usage: pynball [OPTIONS] COMMAND [ARGS]...

  Utility script to help manage development with various versions of Python in
  conjunction with Virtual Environments and optionally the pyenv module

Options:
  --help  Show this message and exit.

Commands:
  add         Adds a name / path of an installation of Python.
  addall      Add all versions to the Pynball configuration.
  delete      Deletes a name / path of an installation of Python.
  exportconf  Creates a configuration file backup.
  importconf  Creates a configuration from a file backup
  lsproject   Displays all Virtual Environment projects (with versions: native, tox and pyenv)
  mkproject   Creates a Virtual Environment from a specific Python version.
  mvproject   Renames a Virtual Environment (optionally updates GitHub and git)
  pyenv       Automatically include the pyenv versions in Pynball
  reset       Deletes all names / paths
  rmproject   Deletes a Virtual Environment.
  system      Changes the system Python Interpreter version.
  version     Display details about the system Python Interpreter.
  versions    Lists the names / paths of the configured Python installations

Add a Python version to the config

pynball versions
D:\PYTHON\3.9.10 : --> System Interpreter
WARNING: Pynball configuration is empty - use 'add' command

pynball add 3.8.10 D:\PYTHON\3.8.10
'3.8.10' Successfully added to configuration

pynball versions
D:\PYTHON\3.9.10 : --> System Interpreter
3.8.10    D:\PYTHON\3.8.10
WARNING: System Interpreter is not in Pynball Configuration

Add all manually installed Python versions to the config

pynball addall
'3.10.4' Successfully added to configuration
'3.5.4' Successfully added to configuration
'3.6.8' Successfully added to configuration
'3.7.9' Successfully added to configuration
WARNING: '3.8.10' already added to configuration as '3.8.10'
'3.9.10' Successfully added to configuration

pynball versions
3.10.4    D:\PYTHON\3.10.4
3.9.10    D:\PYTHON\3.9.10 : --> System Interpreter
3.8.10    D:\PYTHON\3.8.10
3.7.9     D:\PYTHON\3.7.9
3.6.8     D:\PYTHON\3.6.8
3.5.4     D:\PYTHON\3.5.4

Add pyenv Python versions (if any) to the config

pynball pyenv -u
'3.10.2' Successfully added to configuration
'3.5.2' Successfully added to configuration
'3.8.0' Successfully added to configuration
3.10.4    D:\PYTHON\3.10.4
3.10.2    C:\Users\conta\.pyenv\pyenv-win\versions\3.10.2
3.9.10    D:\PYTHON\3.9.10 : --> System Interpreter
3.8.10    D:\PYTHON\3.8.10
3.8.0     C:\Users\conta\.pyenv\pyenv-win\versions\3.8.0
3.7.9     D:\PYTHON\3.7.9
3.6.8     D:\PYTHON\3.6.8
3.5.4     D:\PYTHON\3.5.4
3.5.2     C:\Users\conta\.pyenv\pyenv-win\versions\3.5.2

pynball versions
3.10.4    D:\PYTHON\3.10.4
3.10.2    C:\Users\conta\.pyenv\pyenv-win\versions\3.10.2
3.9.10    D:\PYTHON\3.9.10 : --> System Interpreter
3.8.10    D:\PYTHON\3.8.10
3.8.0     C:\Users\conta\.pyenv\pyenv-win\versions\3.8.0
3.7.9     D:\PYTHON\3.7.9
3.6.8     D:\PYTHON\3.6.8
3.5.4     D:\PYTHON\3.5.4
3.5.2     C:\Users\conta\.pyenv\pyenv-win\versions\3.5.2

Create a virtual environment using a version in the config

pynball mkproject 3.8.10 hobgoblin

List all the virtual environments

pynball lsproject
Project Name             Native Version           Pyenv Versions        Tox Versions
============             ==============           ==============        ============
hobgoblin                3.8.10                   -                     3.8, 3.9, 3.10
organizer                3.9.10                   -                     -
pizazz                   3.9.10                   -                     -
template                 3.9.10                   -                     -

Change system interpreter

pynball system 3.6.8

pynball versions
3.10.4    D:\PYTHON\3.10.2
3.10.2    C:\Users\conta\.pyenv\pyenv-win\versions\3.10.2
3.9.10    D:\PYTHON\3.9.10
3.8.10    D:\PYTHON\3.8.10
3.8.0     C:\Users\conta\.pyenv\pyenv-win\versions\3.8.0
3.7.9     D:\PYTHON\3.7.9
3.6.8     D:\PYTHON\3.6.8 : --> System Interpreter
3.5.4     D:\PYTHON\3.5.4
3.5.2     C:\Users\conta\.pyenv\pyenv-win\versions\3.5.2

For more information, please refer to the wiki

Documentation

Read the Docs

• Credits
• Changelog
• API Reference

Wiki

Meta

Stephen R A King : sking.github@gmail.com

Distributed under the MIT license. See for more information.

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