PyVirtualDisplay 0.2.4

一般

• install Xvfb or Xephyr or Xvnc.

• install pip

• optional: pyscreenshot and PIL should be installed for ^{tt1}$ submodule

• install the program:

  pip install pyvirtualdisplay
  

ubuntu 14.04

sudo apt-get install python-pip
sudo apt-get install xvfb xserver-xephyr vnc4server
sudo pip install pyvirtualdisplay
# optional
sudo apt-get install python-pil scrot
sudo pip install pyscreenshot
# optional for examples
sudo pip install entrypoint2

卸载

pip uninstall pyvirtualdisplay

图形用户界面测试

在低分辨率上测试gnumeric：

#-- include('examples/lowres.py') --#
from easyprocess import EasyProcess
from pyvirtualdisplay import Display

if __name__ == "__main__":
    # start Xephyr
    Display(visible=1, size=(320, 240)).start()
    # start Gnumeric
    EasyProcess('gnumeric').start()
#-#

图像：

截图

在后台创建xmessage的屏幕截图：

#-- include('examples/screenshot3.py') --#
'''
using :keyword:`with` statement
'''
from easyprocess import EasyProcess
from pyvirtualdisplay.smartdisplay import SmartDisplay

if __name__ == "__main__":
    with SmartDisplay(visible=0, bgcolor='black') as disp:
        with EasyProcess('xmessage hello'):
            img = disp.waitgrab()


    img.show()
#-#

图像：

vncserver

#-- include('examples/vncserver.py') --#
'''
Example for Xvnc backend
'''

from easyprocess import EasyProcess
from pyvirtualdisplay.display import Display

if __name__ == "__main__":
    with Display(backend='xvnc', rfbport=5904) as disp:
        with EasyProcess('xmessage hello') as proc:
            proc.wait()
#-#