def get_display(display):
# Use $DISPLAY if display isn't provided
if display is None:
display = os.environ.get('DISPLAY', '')
re_list = [(DISPLAY_RE, {})]
if 'darwin' in SUPPORTED_PROTOCOLS:
re_list.insert(0, (DARWIN_DISPLAY_RE, {'protocol': 'darwin'}))
for re, defaults in re_list:
m = re.match(display)
if m is not None:
protocol, host, dno, screen = [
m.groupdict().get(field, defaults.get(field))
for field in ('proto', 'host', 'dno', 'screen')
]
break
else:
raise error.DisplayNameError(display)
if protocol == 'tcp' and not host:
# Host is mandatory when protocol is TCP.
raise error.DisplayNameError(display)
dno = int(dno)
if screen:
screen = int(screen)
else:
screen = 0
return display, protocol, host, dno, screen
def get_display(display):
# Use $DISPLAY if display isn't provided
if display is None:
display = os.environ.get('DISPLAY', '')
m = display_re.match(display)
if not m:
raise error.DisplayNameError(display)
name = display
protocol, host, dno, screen = m.group('proto', 'host', 'dno', 'screen')
if protocol == 'tcp':
# Host is mandatory when protocol is TCP.
if not host:
raise error.DisplayNameError(display)
elif protocol == 'unix':
# Clear host to force Unix socket connection.
host = ''
else:
# Special case: `unix:0.0` is equivalent to `:0.0`.
if host == 'unix':
host = ''
dno = int(dno)
if screen:
screen = int(screen)
else:
screen = 0
return name, host, dno, screen
def get_display(display):
# Use dummy display if none is set. We really should
# check DECW$DISPLAY instead, but that has to wait
if display is None:
return ':0.0', 'localhost', 0, 0
m = display_re.match(display)
if not m:
raise error.DisplayNameError(display)
name = display
# Always return a host, since we don't have AF_UNIX sockets
host = m.group(1)
if not host:
host = 'localhost'
dno = int(m.group(2))
screen = m.group(4)
if screen:
screen = int(screen)
else:
screen = 0
return name, host, dno, screen
def get_display(display):
# Use $DISPLAY if display isn't provided
if display is None:
display = os.environ.get('DISPLAY', '')
m = display_re.match(display)
if not m:
raise error.DisplayNameError(display)
name = display
protocol, host, dno, screen = m.group('proto', 'host', 'dno', 'screen')
if protocol == 'tcp' and not host:
# Host is mandatory when protocol is TCP.
raise error.DisplayNameError(display)
dno = int(dno)
if screen:
screen = int(screen)
else:
screen = 0
return name, protocol, host, dno, screen
def get_display(display):
# Use $DISPLAY if display isn't provided
if display is None:
display = os.environ.get('DISPLAY', '')
m = display_re.match(display)
if not m:
raise error.DisplayNameError(display)
name = display
host = m.group(1)
dno = int(m.group(2))
screen = m.group(4)
if screen:
screen = int(screen)
else:
screen = 0
return name, host, dno, screen