A pure-Python graphics library for PyQt/PySide

Code Quality Rank: L2
Programming language: Python
License: MIT License
Latest version: v0.11.0.rc0

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A pure-Python graphics library for PyQt/PySide/PyQt5/PySide2

Copyright 2019 Luke Campagnola, University of North Carolina at Chapel Hill


PyQtGraph is intended for use in mathematics / scientific / engineering applications. Despite being written entirely in python, the library is fast due to its heavy leverage of numpy for number crunching, Qt's GraphicsView framework for 2D display, and OpenGL for 3D display.


  • PyQt 4.8+, PySide, PyQt5, or PySide2
    • PySide2 5.14 does not have loadUiType functionality, and thus the example application will not work. You can follow along with restoring that functionality here.
  • Python 2.7, or 3.x
  • Required
    • numpy
  • Optional
    • scipy for image processing
    • pyopengl for 3D graphics
    • macOS with Python2 and Qt4 bindings (PyQt4 or PySide) do not work with 3D OpenGL graphics
    • pyqtgraph.opengl will be depreciated in a future version and replaced with VisPy
    • hdf5 for large hdf5 binary format support
  • Known to run on Windows, Linux, and macOS.

Qt Bindings Test Matrix

The following table represents the python environments we test in our CI system. Our CI system uses Ubuntu 18.04, Windows Server 2019, and macOS 10.15 base images.

Qt-Bindings Python 2.7 Python 3.6 Python 3.7 Python 3.8
PyQt-4 :white_check_mark: :x: :x: :x:
PySide1 :white_check_mark: :x: :x: :x:
PyQt-5.9 :x: :white_check_mark: :x: :x:
PySide2-5.13 :x: :x: :white_check_mark: :x:
PyQt-5.14 :x: :x: :x: :white_check_mark:
  • pyqtgraph has had some incompatabilities with PySide2-5.6, and we recommend you avoid those bindings if possible
  • on macOS with Python 2.7 and Qt4 bindings (PyQt4 or PySide) the openGL related visualizations do not work


Installation Methods

  • From PyPI:
    • Last released version: pip install pyqtgraph
    • Latest development version: pip install git+https://github.com/pyqtgraph/pyqtgraph@develop
  • From conda
    • Last released version: conda install pyqtgraph
  • To install system-wide from source distribution: python setup.py install
  • Many linux package repositories have release versions.
  • To use with a specific project, simply copy the pyqtgraph subdirectory anywhere that is importable from your project.
  • For installation packages, see the website (pyqtgraph.org)


The easiest way to learn pyqtgraph is to browse through the examples; run python -m pyqtgraph.examples for a menu.

The official documentation lives at http://pyqtgraph.org/documentation