def __init__(self,
proto,
display=None,
auth_file=None,
auth_type=None,
auth_key=None):
self.proto = proto
if display is None:
display = os.environ.get('DISPLAY', ':0')
if auth_file is None and auth_type is None:
auth_file = os.environ.get('XAUTHORITY')
if auth_file is None:
auth_file = os.path.expanduser('~/.XAuthority')
host, port = display.split(':')
if '.' in port:
maj, min = map(int, port.split('.'))
else:
maj = int(port)
min = 0
assert min == 0, 'Subdisplays are not not supported so far'
if auth_type is None:
if host != "":
haddr = socket.inet_aton(socket.gethostbyname(host))
for auth in read_auth():
if host == "":
if auth.family == 1 and maj == auth.number:
auth_type = auth.name
auth_key = auth.data
break
else:
if auth.family == 0 and auth.address == haddr:
auth_type = auth.name
auth_key = auth.data
break
else:
raise RuntimeError("Can't find X auth type")
self.unixsock = '/tmp/.X11-unix/X{:d}'.format(maj)
self.auth_type = auth_type
self.auth_key = auth_key
self._channel = None
self._channel_lock = Lock()
self._condition = Condition()
self.events = deque()
def __init__(self, proto, display=None,
auth_file=None, auth_type=None, auth_key=None):
self.proto = proto
if display is None:
display = os.environ.get('DISPLAY', ':0')
if auth_file is None and auth_type is None:
auth_file = os.environ.get('XAUTHORITY')
if auth_file is None:
auth_file = os.path.expanduser('~/.XAuthority')
host, port = display.split(':')
if '.' in port:
maj, min = map(int, port.split('.'))
else:
maj = int(port)
min = 0
assert min == 0, 'Subdisplays are not not supported so far'
if auth_type is None:
if host != "":
haddr = socket.inet_aton(socket.gethostbyname(host))
for auth in read_auth():
if host == "":
if auth.family == 1 and maj == auth.number:
auth_type = auth.name
auth_key = auth.data
break
else:
if auth.family == 0 and auth.address == haddr:
auth_type = auth.name
auth_key = auth.data
break
else:
raise RuntimeError("Can't find X auth type")
self.unixsock = '/tmp/.X11-unix/X{:d}'.format(maj)
self.auth_type = auth_type
self.auth_key = auth_key
self._channel = None
self._channel_lock = Lock()
self._condition = Condition()
self.events = deque()
class Connection(object):
def __init__(self,
proto,
display=None,
auth_file=None,
auth_type=None,
auth_key=None):
self.proto = proto
if display is None:
display = os.environ.get('DISPLAY', ':0')
if auth_file is None and auth_type is None:
auth_file = os.environ.get('XAUTHORITY')
if auth_file is None:
auth_file = os.path.expanduser('~/.XAuthority')
host, port = display.split(':')
if '.' in port:
maj, min = map(int, port.split('.'))
else:
maj = int(port)
min = 0
assert min == 0, 'Subdisplays are not not supported so far'
if auth_type is None:
if host != "":
haddr = socket.inet_aton(socket.gethostbyname(host))
for auth in read_auth():
if host == "":
if auth.family == 1 and maj == auth.number:
auth_type = auth.name
auth_key = auth.data
break
else:
if auth.family == 0 and auth.address == haddr:
auth_type = auth.name
auth_key = auth.data
break
else:
raise RuntimeError("Can't find X auth type")
self.unixsock = '/tmp/.X11-unix/X{:d}'.format(maj)
self.auth_type = auth_type
self.auth_key = auth_key
self._channel = None
self._channel_lock = Lock()
self._condition = Condition()
self.events = deque()
def connection(self):
if self._channel is None:
with self._channel_lock:
if self._channel is None:
chan = Channel(unixsock=self.unixsock,
proto=self.proto,
event_dispatcher=self.event_dispatcher)
data = chan.connect(self.auth_type, self.auth_key)
core = self.proto.subprotos['xproto']
value, pos = core.types['Setup'].read_from(data)
assert pos == len(data)
self.init_data = value
assert self.init_data['status'] == 1
assert self.init_data['protocol_major_version'] == 11
self._init_values()
self._channel = chan
self._eventreg = core.events_by_num.copy()
return self._channel
def _init_values(self):
d = self.init_data
base = self.init_data["resource_id_base"]
mask = self.init_data["resource_id_mask"]
inc = mask & -mask
self.xid_generator = iter(range(base, base | mask, inc))
def query_extension(self, name):
sub = self.proto.subprotos[name]
conn = self.connection()
res = self.do_request(
self.proto.subprotos['xproto'].requests['QueryExtension'],
name=sub.xname)
if res['present']:
if res['first_event']:
self.register_event(res['first_event'], sub)
if res['first_error']:
conn.register_error(res['first_error'], sub)
return res
def do_request(self, rtype, *, _opcode=None, _ignore_error=False, **kw):
conn = self.connection()
for i in list(kw):
n = i + '_len'
if n in rtype.items and n not in kw:
kw[n] = len(kw[i])
buf = bytearray()
rtype.write_to(buf, kw)
if _opcode is None:
buf.insert(0, rtype.opcode)
if len(buf) < 2:
buf.append(0)
else:
buf.insert(0, _opcode)
buf.insert(1, rtype.opcode)
ln = int(ceil((len(buf) + 2) / 4))
buf[2:2] = struct.pack('<H', ln)
buf += b'\x00' * (ln * 4 - len(buf))
if rtype.reply:
res = conn.request(buf, rtype.reply).get()
if isinstance(res, XError):
raise res
else:
return res
else:
conn.push(buf, ignore_error=_ignore_error)
def new_xid(self):
return next(self.xid_generator)
def register_event(self, code, subpro):
for ev in subpro.events.values():
self._eventreg[code + ev.number] = ev
def event_dispatcher(self, seq, buf):
etype = self._eventreg[buf[0] & 127]
if etype.no_seq:
seq = None
else:
buf = buf[:2] + buf[4:]
ev, pos = etype.read_from(buf, 1)
assert pos <= 32
self.events.append(etype.type(seq, **ev))
self._condition.notify()
def get_events(self):
while True:
while self.events:
yield self.events.popleft()
self._condition.wait()
class Connection(object):
def __init__(self, proto, display=None,
auth_file=None, auth_type=None, auth_key=None):
self.proto = proto
if display is None:
display = os.environ.get('DISPLAY', ':0')
if auth_file is None and auth_type is None:
auth_file = os.environ.get('XAUTHORITY')
if auth_file is None:
auth_file = os.path.expanduser('~/.XAuthority')
host, port = display.split(':')
if '.' in port:
maj, min = map(int, port.split('.'))
else:
maj = int(port)
min = 0
assert min == 0, 'Subdisplays are not not supported so far'
if auth_type is None:
if host != "":
haddr = socket.inet_aton(socket.gethostbyname(host))
for auth in read_auth():
if host == "":
if auth.family == 1 and maj == auth.number:
auth_type = auth.name
auth_key = auth.data
break
else:
if auth.family == 0 and auth.address == haddr:
auth_type = auth.name
auth_key = auth.data
break
else:
raise RuntimeError("Can't find X auth type")
self.unixsock = '/tmp/.X11-unix/X{:d}'.format(maj)
self.auth_type = auth_type
self.auth_key = auth_key
self._channel = None
self._channel_lock = Lock()
self._condition = Condition()
self.events = deque()
def connection(self):
if self._channel is None:
with self._channel_lock:
if self._channel is None:
chan = Channel(unixsock=self.unixsock,
proto=self.proto,
event_dispatcher=self.event_dispatcher)
data = chan.connect(self.auth_type, self.auth_key)
core = self.proto.subprotos['xproto']
value, pos = core.types['Setup'].read_from(data)
assert pos == len(data)
self.init_data = value
assert self.init_data['status'] == 1
assert self.init_data['protocol_major_version'] == 11
self._init_values()
self._channel = chan
self._eventreg = core.events_by_num.copy()
return self._channel
def _init_values(self):
d = self.init_data
base = self.init_data["resource_id_base"]
mask = self.init_data["resource_id_mask"]
inc = mask & -mask
self.xid_generator = iter(range(base, base | mask, inc))
def query_extension(self, name):
sub = self.proto.subprotos[name]
conn = self.connection()
res = self.do_request(
self.proto.subprotos['xproto'].requests['QueryExtension'],
name=sub.xname)
if res['present']:
if res['first_event']:
self.register_event(res['first_event'], sub)
if res['first_error']:
conn.register_error(res['first_error'], sub)
return res
def do_request(self, rtype, *, _opcode=None, _ignore_error=False, **kw):
conn = self.connection()
for i in list(kw):
n = i + '_len'
if n in rtype.items and n not in kw:
kw[n] = len(kw[i])
buf = bytearray()
rtype.write_to(buf, kw)
if _opcode is None:
buf.insert(0, rtype.opcode)
if len(buf) < 2:
buf.append(0)
else:
buf.insert(0, _opcode)
buf.insert(1, rtype.opcode)
ln = int(ceil((len(buf)+2)/4))
buf[2:2] = struct.pack('<H', ln)
buf += b'\x00'*(ln*4 - len(buf))
if rtype.reply:
res = conn.request(buf, rtype.reply).get()
if isinstance(res, XError):
raise res
else:
return res
else:
conn.push(buf, ignore_error=_ignore_error)
def new_xid(self):
return next(self.xid_generator)
def register_event(self, code, subpro):
for ev in subpro.events.values():
self._eventreg[code + ev.number] = ev
def event_dispatcher(self, seq, buf):
etype = self._eventreg[buf[0] & 127]
if etype.no_seq:
seq = None
else:
buf = buf[:2] + buf[4:]
ev, pos = etype.read_from(buf, 1)
assert pos <= 32
self.events.append(etype.type(seq, **ev))
self._condition.notify()
def get_events(self):
while True:
while self.events:
yield self.events.popleft()
self._condition.wait()
