def __init__(self):
if "Darwin" not in platform.platform():
raise RunProgError("This backend runs only on Darwin")
p = EasyProcess([PROGRAM, "-help"])
p.enable_stdout_log = False
p.enable_stderr_log = False
p.call()
def get_helptext(program):
p = EasyProcess([program, "-help"])
p.enable_stdout_log = False
p.enable_stderr_log = False
p.call()
helptext = p.stderr
return helptext
def display_size():
if platform_is_osx():
from Quartz import CGDisplayBounds
from Quartz import CGMainDisplayID
mainMonitor = CGDisplayBounds(CGMainDisplayID())
return int(mainMonitor.size.width), int(mainMonitor.size.height)
if platform_is_win():
from win32api import GetSystemMetrics
return int(GetSystemMetrics(0)), int(GetSystemMetrics(1))
if platform_is_linux():
# http://www.cyberciti.biz/faq/how-do-i-find-out-screen-resolution-of-my-linux-desktop/
# xdpyinfo | grep 'dimensions:'
screen_width, screen_height = 0, 0
xdpyinfo = EasyProcess("xdpyinfo")
xdpyinfo.enable_stdout_log = False
if xdpyinfo.call().return_code != 0:
raise ValueError("xdpyinfo error: %s" % xdpyinfo)
for x in xdpyinfo.stdout.splitlines():
if "dimensions:" in x:
screen_width, screen_height = map(int, x.strip().split()[1].split("x"))
return screen_width, screen_height
def backend_version(self):
p = EasyProcess([PROGRAM, "-help"])
p.enable_stdout_log = False
p.enable_stderr_log = False
p.call()
if p.return_code == 0:
return UNKNOWN_VERSION
def __init__(self):
if sys.platform == "darwin":
raise ImagemagickBackendError("osx not supported") # TODO
p = EasyProcess([PROGRAM, "-version"])
p.enable_stdout_log = False
p.enable_stderr_log = False
p.call()
def backend_version(self):
p = EasyProcess([PROGRAM, "-help"])
p.enable_stdout_log = False
p.enable_stderr_log = False
p.call()
if p.return_code == 0:
# TODO: get real version
return "0.0"
def backend_version(self):
# grim doesn't have a version flag for some reason
p = EasyProcess([PROGRAM, "-help"])
p.enable_stdout_log = False
p.enable_stderr_log = False
p.call()
if p.return_code == 0:
return UNKNOWN_VERSION
def check_installed(cls):
p = EasyProcess([PROGRAM, "-help"])
p.enable_stdout_log = False
p.enable_stderr_log = False
p.call()
helptext = p.stdout
cls.has_displayfd = "-displayfd" in helptext
cls.has_resizeable = "-resizeable" in helptext
def prog_check(cmd):
try:
p = EasyProcess(cmd)
p.enable_stdout_log = False
p.enable_stderr_log = False
p.call()
return p.return_code == 0
except Exception:
return False
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 display_size_x():
# http://www.cyberciti.biz/faq/how-do-i-find-out-screen-resolution-of-my-linux-desktop/
# xdpyinfo | grep 'dimensions:'
screen_width, screen_height = 0, 0
xdpyinfo = EasyProcess("xdpyinfo")
xdpyinfo.enable_stdout_log = False
if xdpyinfo.call().return_code != 0:
raise ValueError("xdpyinfo error: %s" % xdpyinfo)
for x in xdpyinfo.stdout.splitlines():
if "dimensions:" in x:
screen_width, screen_height = map(int, x.strip().split()[1].split("x"))
return screen_width, screen_height
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 display_size():
if sys.platform == "darwin":
from Quartz import CGDisplayBounds
from Quartz import CGMainDisplayID
mainMonitor = CGDisplayBounds(CGMainDisplayID())
return (mainMonitor.size.width, mainMonitor.size.height)
# http://www.cyberciti.biz/faq/how-do-i-find-out-screen-resolution-of-my-linux-desktop/
# xdpyinfo | grep 'dimensions:'
screen_width, screen_height = None, None
xdpyinfo = EasyProcess("xdpyinfo")
xdpyinfo.enable_stdout_log = False
for x in xdpyinfo.call().stdout.splitlines():
if "dimensions:" in x:
screen_width, screen_height = map(int,
x.strip().split()[1].split("x"))
return screen_width, screen_height
def __init__(self):
p = EasyProcess([PROGRAM, '--version'])
p.enable_stdout_log = False
p.enable_stderr_log = False
p.call()
def _start1(self):
with _mutex:
self.display = _search_for_display()
while self.display in _USED_DISPLAY_NR_LIST:
self.display += 1
self.new_display_var = ":%s" % int(self.display)
_USED_DISPLAY_NR_LIST.append(self.display)
self._command = self._cmd() + self._extra_args
log.debug("command: %s", self._command)
self._popen(use_pass_fds=False)
self.new_display_var = ":%s" % int(self.display)
if self._use_xauth:
self._setup_xauth()
# https://github.com/ponty/PyVirtualDisplay/issues/2
# https://github.com/ponty/PyVirtualDisplay/issues/14
self.old_display_var = os.environ.get("DISPLAY", None)
# wait until X server is active
start_time = time.time()
d = self.new_display_var
ok = False
time.sleep(0.05) # give time for early exit
while True:
if not self.is_alive():
break
try:
xdpyinfo = EasyProcess(["xdpyinfo"], env=self._env())
xdpyinfo.enable_stdout_log = False
xdpyinfo.enable_stderr_log = False
exit_code = xdpyinfo.call().return_code
except EasyProcessError:
log.warning(
"xdpyinfo was not found, X start can not be checked! Please install xdpyinfo!"
)
time.sleep(_X_START_WAIT) # old method
ok = True
break
if exit_code != 0:
pass
else:
log.info('Successfully started X with display "%s".', d)
ok = True
break
if time.time() - start_time >= _X_START_TIMEOUT:
break
time.sleep(_X_START_TIME_STEP)
if not self.is_alive():
log.warning("process exited early. stderr:%s", self.stderr)
msg = "Failed to start process: %s"
raise XStartError(msg % self)
if not ok:
msg = 'Failed to start X on display "%s" (xdpyinfo check failed, stderr:[%s]).'
raise XStartTimeoutError(msg % (d, xdpyinfo.stderr))
def check_installed(cls):
p = EasyProcess([PROGRAM, '-help'])
p.enable_stdout_log = False
p.enable_stderr_log = False
p.call()
def backend_version(self):
p = EasyProcess([PROGRAM, "--version"])
p.enable_stdout_log = False
p.enable_stderr_log = False
p.call()
return extract_version(p.stdout.replace("-", " "))
def _start1(self):
if self.has_displayfd:
# stdout doesn't work on osx -> create own pipe
rfd, self.pipe_wfd = os.pipe()
else:
with mutex:
self.display = search_for_display(randomizer=self.randomizer)
while self.display in USED_DISPLAY_NR_LIST:
self.display += 1
self.new_display_var = ":%s" % int(self.display)
USED_DISPLAY_NR_LIST.append(self.display)
self.command = self._cmd() + self.extra_args
log.debug("command: %s", self.command)
self._stdout_file = tempfile.TemporaryFile(prefix="stdout_")
self._stderr_file = tempfile.TemporaryFile(prefix="stderr_")
if py2() or not self.has_displayfd:
self.subproc = subprocess.Popen(
self.command,
stdout=self._stdout_file,
stderr=self._stderr_file,
shell=False,
)
else:
if self.has_displayfd:
self.subproc = subprocess.Popen(
self.command,
pass_fds=[self.pipe_wfd],
stdout=self._stdout_file,
stderr=self._stderr_file,
shell=False,
)
if self.has_displayfd:
# rfd = self.subproc.stdout.fileno()
self.display = int(self.wait_for_pipe_text(rfd))
os.close(rfd)
os.close(self.pipe_wfd)
self.new_display_var = ":%s" % int(self.display)
if self.use_xauth:
self._setup_xauth()
# https://github.com/ponty/PyVirtualDisplay/issues/2
# https://github.com/ponty/PyVirtualDisplay/issues/14
self.old_display_var = os.environ.get("DISPLAY", None)
# wait until X server is active
start_time = time.time()
# if self.check_startup:
# rp = self._check_startup_fd
# display_check = None
# rlist, wlist, xlist = select.select((rp,), (), (), X_START_TIMEOUT)
# if rlist:
# display_check = os.read(rp, 10).rstrip()
# else:
# msg = "No display number returned by X server"
# raise XStartTimeoutError(msg)
# dnbs = str(self.display)
# if bytes != str:
# dnbs = bytes(dnbs, "ascii")
# if display_check != dnbs:
# msg = 'Display number "%s" not returned by X server' + str(
# display_check
# )
# raise XStartTimeoutError(msg % self.display)
if not self.has_displayfd:
self.redirect_display(True) # for xdpyinfo
d = self.new_display_var
ok = False
time.sleep(0.05) # give time for early exit
while True:
if not self.is_alive():
break
try:
xdpyinfo = EasyProcess(["xdpyinfo"])
xdpyinfo.enable_stdout_log = False
xdpyinfo.enable_stderr_log = False
exit_code = xdpyinfo.call().return_code
except EasyProcessError:
log.warning(
"xdpyinfo was not found, X start can not be checked! Please install xdpyinfo!"
)
time.sleep(X_START_WAIT) # old method
ok = True
break
if exit_code != 0:
pass
else:
log.info('Successfully started X with display "%s".', d)
ok = True
break
if time.time() - start_time >= X_START_TIMEOUT:
break
time.sleep(X_START_TIME_STEP)
if not self.is_alive():
log.warning("process exited early. stderr:%s", self.stderr)
msg = "Failed to start process: %s"
raise XStartError(msg % self)
if not ok:
msg = 'Failed to start X on display "%s" (xdpyinfo check failed, stderr:[%s]).'
raise XStartTimeoutError(msg % (d, xdpyinfo.stderr))
return self
def start(self):
"""
start display
:rtype: self
"""
if self.use_xauth:
self._setup_xauth()
EasyProcess.start(self)
time.sleep(0.01)
# 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
start_time = time.time()
if self.check_startup:
rp = self._check_startup_fd
display_check = None
rlist, wlist, xlist = select.select((rp, ), (), (),
X_START_TIMEOUT)
if rlist:
display_check = os.read(rp, 10).rstrip()
else:
msg = "No display number returned by X server"
raise XStartTimeoutError(msg)
dnbs = str(self.display)
if bytes != str:
dnbs = bytes(dnbs, "ascii")
if display_check != dnbs:
msg = 'Display number "%s" not returned by X server' + str(
display_check)
raise XStartTimeoutError(msg % self.display)
d = self.new_display_var
ok = False
while True:
if not EasyProcess.is_alive(self):
break
try:
xdpyinfo = EasyProcess("xdpyinfo")
xdpyinfo.enable_stdout_log = False
xdpyinfo.enable_stderr_log = False
exit_code = xdpyinfo.call().return_code
except EasyProcessError:
log.warning(
"xdpyinfo was not found, X start can not be checked! Please install xdpyinfo!"
)
time.sleep(X_START_WAIT) # old method
ok = True
break
if exit_code != 0:
pass
else:
log.info('Successfully started X with display "%s".', d)
ok = True
break
if time.time() - start_time >= X_START_TIMEOUT:
break
time.sleep(X_START_TIME_STEP)
if not EasyProcess.is_alive(self):
log.warning("process exited early", )
msg = "Failed to start process: %s"
raise XStartError(msg % self)
if not ok:
msg = 'Failed to start X on display "%s" (xdpyinfo check failed, stderr:[%s]).'
raise XStartTimeoutError(msg % (d, xdpyinfo.stderr))
return self
