コード例 #1
0
class Tango(object):
    """Interact with Tango system.

    Attributes:
        _db: instance of Tango database.
        door: instance of Sardana door.
        debug: debug-level log stream of Sardana.
        output: output-level log stream of Sardana.
        device_classes (list of str): supported device classes.
        devices (str): all devices found under classes |device_classes|.

    """
    def __init__(self):
        self._db = PyTango.Database()
        door_name = self.find_door()
        if not door_name:
            tkMessageBox.showerror("Error", "No Sardana door found.")
            sys.exit(1)
        print door_name
        door_full_name = "%s:%s/%s" % \
                (self._db.get_db_host(), self._db.get_db_port(), door_name)
        # Sardana door.
        self.door = BaseDoor(door_full_name)
        # Debug, Output stream of door log.
        self.debug = self.door.getLogObj('debug')
        self.output = self.door.getLogObj('output')

        self.device_classes = ["Motor", "LimaCCDs"]
        self.devices = []
        for class_type in self.device_classes:
            self.devices.extend(
                self._db.get_device_exported_for_class(
                    class_type).value_string)

    def get_device_alias(self, device):
        """Return the alias of |device|."""
        return self._db.get_alias_from_device(device)

    def get_device_class(self, device):
        """Return the tango class of |device|."""
        return self._db.get_class_for_device(device)

    def is_sardana_running(self):
        """Return True if sardana is at state ON instead of RUNNING, OFF."""
        return self.door.getState() == PyTango.DevState.RUNNING

    def find_door(self):
        """Return door name. Return None if not found.

        Find door under server pattern MacroServer*.

        """
        server_list = self._db.get_server_list('MacroServer/*').value_string
        for server in server_list:
            server_devs = self._db.get_device_class_list(server).value_string
            devs, classes = server_devs[0::2], server_devs[1::2]
            for idx, class_ in enumerate(classes):
                if class_.lower() == "door":
                    return devs[idx]
        return None

    def run_macro(self, command):
        """Run macro on Sardana.

        Args:
            command (list of str): macro encapsulated in list, eg. ["wa"].

        """
        self.output.clearLogBuffer()
        self.debug.clearLogBuffer()
        self.door.runmacro(command)
        # Wait for attribute change finish.
        while not self.debug.getLogBuffer():
            time.sleep(0.05)
        while self.is_sardana_running():
            time.sleep(0.05)
コード例 #2
0
                else:
                    return False
    return False


DOOR_NAME = "cfeld/door/cfeld-pcx27083.01"
if not is_door(DOOR_NAME):
    print "not door"
    sys.exit(1)
db = PyTango.Database()
door_full_name = "%s:%s/%s" % (db.get_db_host(), db.get_db_port(), DOOR_NAME)
door = BaseDoor(door_full_name)
output = door.getLogObj('output')
debug = door.getLogObj('debug')

output.clearLogBuffer()
debug.clearLogBuffer()
# door.runmacro(["wa"])
# door.runmacro(["mv", "exp_dmy01", "0"])
door.runmacro(["mv", "motor/dummy_mot_ctrl/1", "0"])
# door.runmacro(["ascan", "exp_dmy01", "0", "1", "10", "0.2"])
# door.runmacro(["ascan", "motor/dummy_mot_ctrl/1", "0", "1", "10", "0.2"])
while not debug.getLogBuffer():
    print "empty"
    time.sleep(0.05)
while door.getState() == PyTango.DevState.RUNNING:
    print "running"
    time.sleep(0.05)
print output.getLogBuffer()
print debug.getLogBuffer()