windows中的Python XVFB错误

Question

对于虚拟帧缓冲区（无头测试），我将Xvfb与PyVirtualDisplay一起使用，它在Ubuntu中运行良好，但在Windows7中显示错误。下面是出现问题的部分代码。

from pyvirtualdisplay import Display
display = Display(visible=1, size=(300, 400))
display.start() 

但是当我在Windows中运行相同的命令时，我得到这个错误

Traceback (most recent call last):
  File "C:\Python27\Scripts\pynt-script.py", line 9, in <module>
    load_entry_point('pynt==0.8.0', 'console_scripts', 'pynt')()
  File "C:\Python27\lib\site-packages\pynt\_pynt.py", line 295, in main
    build(sys.argv[1:])
  File "C:\Python27\lib\site-packages\pynt\_pynt.py", line 48, in build
    module = imp.load_source(path.splitext(path.basename(args.file))[0], args.fi
le)
  File "build.py", line 7, in <module>
    display = Display(visible=1, size=(300,400))
  File "C:\Python27\lib\site-packages\pyvirtualdisplay\display.py", line 33, in
__init__
    self._obj = self.display_class(
  File "C:\Python27\lib\site-packages\pyvirtualdisplay\display.py", line 50, in
display_class
    cls.check_installed()
  File "C:\Python27\lib\site-packages\pyvirtualdisplay\xvfb.py", line 34, in che
ck_installed
    ubuntu_package=PACKAGE).check_installed()
  File "C:\Python27\lib\site-packages\easyprocess\__init__.py", line 209, in che
ck_installed
    raise EasyProcessCheckInstalledError(self)
easyprocess.EasyProcessCheckInstalledError: cmd=['Xvfb', '-help']
OSError=[Error 2] The system cannot find the file specified
Program install error! 

我认为我的程序找不到xvfb程序/库？ 我安装了xvfbwrapper（https://github.com/cgoldberg/xvfbwrapper），但问题仍然存在。我再次认为xvfbwrapper与xvfb不同？

可以进行无头测试的Windows平台的任何替代方案（虚拟帧缓冲区）

Answer 1

因为找不到命令^{}，所以出现错误。Xvfb是X虚拟帧缓冲区，它不是Microsoft Windows 7的一部分。