def stop(self):
'''
stop display
:rtype: self
'''
self.redirect_display(False)
EasyProcess.stop(self)
if self.use_xauth:
self._clear_xauth()
return self
def __init__(self, use_xauth=False):
mutex.acquire()
try:
self.display = self.search_for_display()
while self.display in USED_DISPLAY_NR_LIST:
self.display += 1
USED_DISPLAY_NR_LIST.append(self.display)
finally:
mutex.release()
if xauth and not xauth.is_installed():
raise xauth.NotFoundError()
self.use_xauth = use_xauth
self._old_xauth = None
self._xauth_filename = None
EasyProcess.__init__(self, self._cmd)
def start(self):
'''
start display
:rtype: self
'''
if self.use_xauth:
self._setup_xauth()
EasyProcess.start(self)
# https://github.com/ponty/PyVirtualDisplay/issues/2
# https://github.com/ponty/PyVirtualDisplay/issues/14
self.old_display_var = os.environ.get('DISPLAY', None)
self.redirect_display(True)
# wait until X server is active
# TODO: better method
time.sleep(0.1)
return self
def is_installed():
'''
Return whether or not xauth is installed.
'''
try:
p = EasyProcess(['xauth', '-V'])
p.enable_stdout_log = False
p.enable_stderr_log = False
p.call()
except Exception:
return False
else:
return True
def is_installed():
"""
Return whether or not xauth is installed.
"""
try:
p = EasyProcess(["xauth", "-V"])
p.enable_stdout_log = False
p.enable_stderr_log = False
p.call()
except Exception:
return False
else:
return True
def check_installed(cls):
p = EasyProcess([PROGRAM, '-help'])
p.enable_stdout_log = False
p.enable_stderr_log = False
p.call()
def call(*args):
'''
Call xauth with the given args.
'''
EasyProcess(['xauth'] + list(args)).call()
def check_installed(cls):
EasyProcess([PROGRAM, '-help'], url=URL,
ubuntu_package=PACKAGE).check_installed()
def call(*args):
"""
Call xauth with the given args.
"""
EasyProcess(["xauth"] + list(args)).call()
