python screenshot
Project description
The pyscreenshot module can be used to copy the contents of the screen to a PIL or Pillow image memory using various back-ends. Replacement for the ImageGrab Module, which works on Windows only, so Windows users don’t need this library. For handling image memory (e.g. saving to file, converting,..) please read PIL or Pillow documentation.
- Links:
documentation: http://pyscreenshot.readthedocs.org
- Goal:
Pyscreenshot tries to allow to take screenshots without installing 3rd party libraries. It is cross-platform but useful for Linux based distributions. It is only a pure Python wrapper, a thin layer over existing back-ends. Its strategy should work on most Linux distributions: a lot of back-ends are wrapped, if at least one exists then it works, if not then one back-end should be installed.
- Features:
Cross-platform wrapper
Capturing the whole desktop
Capturing an area
some back-ends are based on this discussion: http://stackoverflow.com/questions/69645/take-a-screenshot-via-a-python-script-linux
pure Python library
supported Python versions: 2.7, 3.5, 3.6, 3.7, 3.8
- It has wrappers for various back-ends:
Quartz (Mac)
screencapture (Mac)
time taken: 0.1s - 2.0s
Performance is not a target for this library, but you can benchmark the back-ends and choose the fastest one.
Interactivity is not supported.
Mouse pointer is not visible.
- Known problems:
ImageMagick creates blackbox on some systems
gnome-screenshot back-end does not check $DISPLAY -> not working with Xvfb
- Similar projects:
Examples
grab and show the whole screen:
#-- include('examples/showgrabfullscreen.py') --# import pyscreenshot as ImageGrab if __name__ == '__main__': # grab fullscreen im = ImageGrab.grab() # save image file im.save('screenshot.png') # show image in a window im.show() #-#
to start the example:
python -m pyscreenshot.examples.showgrabfullscreen
grab and show the part of the screen:
#-- include('examples/showgrabbox.py')--# import pyscreenshot as ImageGrab if __name__ == '__main__': # part of the screen im = ImageGrab.grab(bbox=(10, 10, 510, 510)) # X1,Y1,X2,Y2 im.show() #-#
to start the example:
python -m pyscreenshot.examples.showgrabbox
Installation
Uninstall:
pip uninstall pyscreenshot
Command line interface
Back-end performance:
The performance can be checked with pyscreenshot.check.speedtest. Example: #-- sh('python -m pyscreenshot.check.speedtest --virtual-display 2>/dev/null') --# n=10 ------------------------------------------------------ wx 3.4 sec ( 343 ms per call) pygtk 5.6 sec ( 558 ms per call) pygdk3 2.8 sec ( 275 ms per call) pyqt 5.7 sec ( 565 ms per call) pyqt5 5.3 sec ( 527 ms per call) scrot 4.8 sec ( 481 ms per call) imagemagick 7.5 sec ( 750 ms per call) pyside 5.6 sec ( 558 ms per call) gnome-screenshot 13 sec ( 1278 ms per call) #-#
Print versions:
#-- sh('python -m pyscreenshot.check.versions 2> /dev/null ')--# python 2.7.15rc1 pyscreenshot 0.4.2 wx 3.0.2.0 pygtk 2.28.6 pygdk3 3.26.1 pyqt 4.12.1 pyqt5 5.10.1 scrot 0.8 imagemagick 6.9.7 pyside 1.2.2 gnome-screenshot 3.25.0 #-#
Wayland
On Wayland only the gnome-screenshot back-end works:
im = ImageGrab.grab(backend='gnome-screenshot')
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