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Yet another plugin system

Project description

Yapsy is a small library implementing the core mechanisms needed to build a plugin system into a wider application.

The main purpose is to depend only on Python’s standard libraries and to implement only the basic functionalities needed to detect, load and keep track of several plugins. It supports both Python 2 and 3.

To use yapsy, make sure that the “yapsy” directory is in your Python loading path and just import the needed class from yapsy (e.g. “from yapsy.PluginManager import PluginManager”).

To see more examples, you can have a look at the unit tests inside the “test” directory or at the “Showcase and tutorials” section of the documentation (

Please let me know if you find this useful.

Site of the project:

List of Contributors:
  • Thibauld Nion

  • Rob McMullen

  • Roger Gammans

  • Mathieu Havel

  • Mathieu Clabaut

  • Mark Fickett

  • Agustin Henze

  • qitta

  • Roberto Alsina

  • Josip Delic (delijati)

  • frmdstryr

  • Pierre-Yves Langlois

  • Guillaume Binet (gbin)

  • Blake Oliver (Oliver2213)

  • Xuecheng Zhang (csuzhangxc)

  • Marc Brooks (mbrooks-public)

Contributions are welcome as pull requests, patches or tickets on the forge ( or on github (

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