Example #1
0
def initialize_logging(argv):
    try:
        log_param = [param for param in argv if "-v" in param]
        if log_param:
            log_param = log_param[0]
            # print "-vN log flag found   len=%d" % len(log_param)
            if len(log_param) > 2:
                tango_log_level = int(log_param[2:])
            elif len(log_param) > 1:
                tango_log_level = 4
            else:
                print "BlissAxisManager.py - ERROR LOG LEVEL"

            if tango_log_level == 1:
                elog.level(40)
            elif tango_log_level == 2:
                elog.level(30)
            elif tango_log_level == 3:
                elog.level(20)
            else:
                elog.level(10)
        else:
            # by default : show INFO
            elog.level(20)
            tango_log_level = 0
    except tango.DevFailed:
        print traceback.format_exc()
        elog.exception("Error in initializing logging")
        sys.exit(0)
Example #2
0
def initialize_logging(argv):
    try:
        log_param = [param for param in argv if "-v" in param]
        if log_param:
            log_param = log_param[0]
            # print "-vN log flag found   len=%d" % len(log_param)
            if len(log_param) > 2:
                tango_log_level = int(log_param[2:])
            elif len(log_param) > 1:
                tango_log_level = 4
            else:
                print "BlissAxisManager.py - ERROR LOG LEVEL"

            if tango_log_level == 1:
                elog.level(40)
            elif tango_log_level == 2:
                elog.level(30)
            elif tango_log_level == 3:
                elog.level(20)
            else:
                elog.level(10)
        else:
            # by default : show INFO
            elog.level(20)
            tango_log_level = 0
    except tango.DevFailed:
        print traceback.format_exc()
        elog.exception("Error in initializing logging")
        sys.exit(0)
Example #3
0
    def test_exception(self):
        try:
            raise RuntimeError("BLA")
        except:
            with wrapped_stderr() as stderr:
                log.exception("excepted exception", raise_exception=False)
        output = stderr.getvalue()
        self.assertTrue(output.endswith(
            """tests/misc/test_logging.py", line 81, in test_exception
    raise RuntimeError("BLA")
RuntimeError: BLA
"""))
Example #4
0
    def test_exception(self):
        try:
            raise RuntimeError("BLA")
        except:
            with wrapped_stderr() as stderr:
                log.exception("excepted exception", raise_exception=False)
        output = stderr.getvalue()
        self.assertTrue(
            output.endswith(
                """tests/misc/test_logging.py", line 81, in test_exception
    raise RuntimeError("BLA")
RuntimeError: BLA
"""))
Example #5
0
    def test_exception(self):
        try:
            raise RuntimeError("BLA")
        except:
            with wrapped_stderr() as stderr:
                log.exception("excepted exception", raise_exception=False)
        output = stderr.getvalue()
        self.assertEquals(
            output,
            """ERROR: excepted exception
Traceback (most recent call last):
  File "TestLogging.py", line 74, in test_exception
    raise RuntimeError("BLA")
RuntimeError: BLA
""")
Example #6
0
def main(argv=None):
    start_time = time.time()

    if argv is None:
        argv = sys.argv
    argv = list(argv)

    try:
        argv.remove('-n')
        new_server = True
    except ValueError:
        new_server = False

    try:
        # initialize logging as soon as possible
        initialize_logging(argv)

        # if querying list of instances, just return
        if len(argv) < 2 or argv[1] == '-?':
            util = tango.Util(argv)
            # no need since tango exits the process when it finds '-?'
            # (tango is not actually a library :-)
            return

        axes, axes_classes = __recreate(new_server=new_server)
        del axes

        util = tango.Util(argv)
        db = util.get_database()

    except tango.DevFailed:
        print traceback.format_exc()
        elog.exception(
            "Error in server initialization")
        sys.exit(0)

    klasses = [BlissAxisManager] + axes_classes

    dt = time.time() - start_time
    elog.info('server configured (took %6.3fs)' % dt)

    from tango import GreenMode
    from tango.server import run
    run(klasses, green_mode=GreenMode.Gevent)
Example #7
0
def main(argv=None):
    start_time = time.time()

    if argv is None:
        argv = sys.argv
    argv = list(argv)

    try:
        argv.remove('-n')
        new_server = True
    except ValueError:
        new_server = False

    try:
        # initialize logging as soon as possible
        initialize_logging(argv)

        # if querying list of instances, just return
        if len(argv) < 2 or argv[1] == '-?':
            util = tango.Util(argv)
            # no need since tango exits the process when it finds '-?'
            # (tango is not actually a library :-)
            return

        axes, axes_classes = __recreate(new_server=new_server)
        del axes

        util = tango.Util(argv)
        db = util.get_database()

    except tango.DevFailed:
        print traceback.format_exc()
        elog.exception("Error in server initialization")
        sys.exit(0)

    klasses = [BlissAxisManager] + axes_classes

    dt = time.time() - start_time
    elog.info('server configured (took %6.3fs)' % dt)

    from tango import GreenMode
    from tango.server import run
    run(klasses, green_mode=GreenMode.Gevent)
Example #8
0
def main():
    try:
        delete_unused_bliss_axes()
    except:
        elog.error(
            "Cannot delete unused bliss axes.",
            raise_exception=False)

    try:
        py = PyTango.Util(sys.argv)

        log_param = [param for param in sys.argv if "-v" in param]
        if log_param:
            log_param = log_param[0]
            # print "-vN log flag found   len=%d" % len(log_param)
            if len(log_param) > 2:
                tango_log_level = int(log_param[2:])
            elif len(log_param) > 1:
                tango_log_level = 4
            else:
                print "BlissAxisManager.py - ERROR LOG LEVEL"

            if tango_log_level == 1:
                elog.level(40)
            elif tango_log_level == 2:
                elog.level(30)
            elif tango_log_level == 3:
                elog.level(20)
            else:
                elog.level(10)
        else:
            # by default : show INFO
            elog.level(20)
            tango_log_level = 0

        print ""

        # elog.info("tango log level=%d" % tango_log_level)
        # elog.debug("BlissAxisManager.py debug message")
        # elog.error("BlissAxisManager.py error message", raise_exception=False)

        # Searches for bliss devices defined in tango database.
        U = PyTango.Util.instance()
        db = U.get_database()
        device_list = get_devices_from_server().get('BlissAxisManager')

        if device_list is not None:
            _device = device_list[0]
            elog.info(" BlissAxisManager.py - BlissAxisManager device : %s" % _device)
            try:
                _config_file = db.get_device_property(_device, "config_file")["config_file"][0]
            except:
                elog.info(" BlissAxisManager.py - 'config_file' property not present ?")
                _config_file = None

            first_run = False
        else:
            elog.error("[FIRST RUN] New server never started ? -> no database entry...", raise_exception=False)
            elog.error("[FIRST RUN] NO CUSTOM COMANDS :( ", raise_exception=False)
            elog.error("[FIRST RUN] Restart DS to havec CUSTOM COMMANDS", raise_exception=False)
            first_run = True

        py.add_class(BlissAxisManagerClass, BlissAxisManager)
        # py.add_class(BlissAxisClass, BlissAxis)

        if not first_run:
            if _config_file is not None:
                elog.info(" BlissAxisManager.py - config file : " + bcolors.PINK + _config_file + bcolors.ENDC)
                try:
                    TgGevent.execute(bliss.load_cfg, _config_file)
                except:
                    elog.error("error (not present or syntax error?) in reading config file : %s" %
                               _config_file, raise_exception=False)
                    sys.excepthook(*sys.exc_info())
                    sys.exit(-1)
                else:
                    # Get axis names defined in config file.
                    axis_names = bliss_config.axis_names_list()
            else:
                elog.info(" BlissAxisManager.py - " + bcolors.PINK + "beacon config" + bcolors.ENDC)
                # Get axes names from property (= use beacon to get axis objects)
                bliss_config.BACKEND = "beacon"
                axis_names = db.get_device_property(_device, "axes")["axes"][0].split()

            elog.debug("axis names list : %s" % axis_names)

            for axis_name in axis_names:
                elog.debug("BlissAxisManager.py : _____________ axis %s _____________" % axis_name)
                try:
                    _axis = TgGevent.get_proxy(bliss.get_axis, axis_name)
                except ConnectionException:
                    elog.error("beacon_server seems not running")
                    sys.exit(-1)
                except:
                    print traceback.format_exc()
                    sys.exit(-1)

                new_axis_class_class = types.ClassType("BlissAxisClass_%s" % axis_name, (BlissAxisClass,), {})
                new_axis_class = types.ClassType("BlissAxis_%s" % axis_name, (BlissAxis,), {})

                types_conv_tab = {
                    None: PyTango.DevVoid,
                    str: PyTango.DevString,
                    int: PyTango.DevLong,
                    float: PyTango.DevDouble,
                    bool: PyTango.DevBoolean,
                    "str": PyTango.DevString,
                    "int": PyTango.DevLong,
                    "float": PyTango.DevDouble,
                    "bool": PyTango.DevBoolean,
                    "None": PyTango.DevVoid,
                    "float_array": PyTango.DevVarFloatArray,
                    "double_array": PyTango.DevVarDoubleArray,
                    "long_array": PyTango.DevVarLongArray,
                    "string_array": PyTango.DevVarStringArray
                }

                """
                CUSTOM COMMANDS
                """
                # Search and adds custom commands.
                _cmd_list = _axis.custom_methods_list()
                elog.debug("'%s' custom commands:" % axis_name)

                new_axis_class_class.cmd_list = dict(BlissAxisClass.cmd_list)

                for (fname, (t1, t2)) in _cmd_list:
                    setattr(new_axis_class, fname, getattr(_axis, fname))

                    tin = types_conv_tab[t1]
                    tout = types_conv_tab[t2]

                    new_axis_class_class.cmd_list.update({fname: [[tin, ""], [tout, ""]]})

                    elog.debug("   %s (in: %s, %s) (out: %s, %s)" % (fname, t1, tin, t2, tout))

                """
                CUSTOM SETTINGS AS ATTRIBUTES.
                """
                elog.debug(" BlissAxisManager.py : %s : -------------- SETTINGS -----------------" % axis_name)

                new_axis_class_class.attr_list = dict(BlissAxisClass.attr_list)

                for setting_name in _axis.settings():
                    if setting_name in ["velocity", "position", "dial_position", "state",
                                        "offset", "low_limit", "high_limit", "acceleration", "_set_position"]:
                        elog.debug(" BlissAxisManager.py -- std SETTING %s " % (setting_name))
                    else:
                        _attr_name = setting_name
                        _setting_type = _axis.controller().axis_settings.convert_funcs[_attr_name]
                        _attr_type = types_conv_tab[_setting_type]
                        elog.debug(" BlissAxisManager.py -- adds SETTING %s as %s attribute" % (setting_name, _attr_type))

                        # Updates Attributes list.
                        new_axis_class_class.attr_list.update({_attr_name:
                                                               [[_attr_type,
                                                                 PyTango._PyTango.AttrDataFormat.SCALAR,
                                                                 PyTango._PyTango.AttrWriteType.READ_WRITE], {
                            'Display level': PyTango._PyTango.DispLevel.OPERATOR,
                            'format': '%10.3f',
                            'description': '%s : u 2' % _attr_name,
                            'unit': 'user units/s^2',
                            'label': _attr_name
                            }]})

                        # Creates functions to read and write settings.
                        def read_custattr(self, attr, _axis=_axis, _attr_name=_attr_name):
                            _val = _axis.get_setting(_attr_name)
                            attr.set_value(_val)
                        new_read_attr_method = types.MethodType(read_custattr, new_axis_class,
                                                                new_axis_class.__class__)
                        setattr(new_axis_class, "read_%s" % _attr_name, new_read_attr_method)

                        def write_custattr(self, attr, _axis=_axis, _attr_name=_attr_name):
                            data = attr.get_write_value()
                            _axis.set_setting(_attr_name, data)

                        new_write_attr_method = types.MethodType(write_custattr, new_axis_class,
                                                                 new_axis_class.__class__)
                        setattr(new_axis_class, "write_%s" % _attr_name, new_write_attr_method)

                # End of custom command and settings
                elog.debug("BlissAxisManager.py : Adds new Axis specific class.")
                py.add_class(new_axis_class_class, new_axis_class)
                elog.debug("BlissAxisManager.py : Class added.")

        elog.debug("BlissAxisManager.py : intitialize server.")
        U.server_init()

    except PyTango.DevFailed:
        print traceback.format_exc()
        elog.exception(
            "Error in server initialization")
        sys.exit(0)

    try:
        bliss_admin_device_names = get_devices_from_server().get('BlissAxisManager')

        if bliss_admin_device_names:
            blname, server_name, device_number = bliss_admin_device_names[
                0].split('/')

            for axis_name in bliss_config.axis_names_list():
                device_name = '/'.join((blname,
                                        '%s_%s' % (server_name, device_number),
                                        axis_name))
                try:
                    elog.debug("Creating %s" % device_name)

                    U.create_device("BlissAxis_%s" % axis_name, device_name)

                except PyTango.DevFailed:
                    # print traceback.format_exc()
                    elog.debug("Device %s already defined in Tango database" % device_name)
                    pass

                # If axis name is not already a tango alias,
                # define it as an alias of the device.
                try:
                    db.get_device_alias(axis_name)
                except PyTango.DevFailed:
                    db.put_device_alias(device_name, axis_name)
                    elog.debug("Created alias %s for device %s" % (axis_name, device_name))

        else:
            # Do not raise exception to be able to use
            # Jive device creation wizard.
            elog.error("No bliss supervisor device",
                       raise_exception=False)

    except PyTango.DevFailed:
        print traceback.format_exc()
        elog.exception(
            "Error in devices initialization")
        sys.exit(0)

    U.server_run()