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from pyvirtualdisplay.abstractdisplay import AbstractDisplay
from pyvirtualdisplay.xephyr import XephyrDisplay
from pyvirtualdisplay.xvfb import XvfbDisplay
from pyvirtualdisplay.xvnc import XvncDisplay
class Display(AbstractDisplay):
'''
Common class
:param color_depth: [8, 16, 24, 32]
:param size: screen size (width,height)
:param bgcolor: background color ['black' or 'white']
:param visible: True -> Xephyr, False -> Xvfb
:param backend: 'xvfb', 'xvnc' or 'xephyr', ignores ``visible``
:param xauth: If a Xauthority file should be created.
'''
def __init__(self, backend=None, visible=False, size=(1024, 768), color_depth=24, bgcolor='black', use_xauth=False, **kwargs):
self.color_depth = color_depth
self.size = size
self.bgcolor = bgcolor
self.screen = 0
self.process = None
self.display = None
self.visible = visible
self.backend = backend
if not self.backend:
if self.visible:
self.backend = 'xephyr'
else:
self.backend = 'xvfb'
self._obj = self.display_class(
size=size,
color_depth=color_depth,
bgcolor=bgcolor,
**kwargs)
AbstractDisplay.__init__(self, use_xauth=use_xauth)
@property
def display_class(self):
assert self.backend
if self.backend == 'xvfb':
cls = XvfbDisplay
if self.backend == 'xvnc':
cls = XvncDisplay
if self.backend == 'xephyr':
cls = XephyrDisplay
# TODO: check only once
cls.check_installed()
return cls
@property
def _cmd(self):
self._obj.display = self.display
return self._obj._cmd