How to use check_set_value method in hypothesis

Best Python code snippet using hypothesis

reached_setpoint.py

Source:reached_setpoint.py

1from ...math.utils import compare_value2from ophyd import PVPositionerPC, Component as Cpt, Signal, Kind3from ophyd.utils import errors4from ophyd.status import SubscriptionStatus, Status, AndStatus5import logging6logger = logging.getLogger()7class OphydInvalidParameter(ValueError, errors.OpException):8    """given parameter was invalid9    """10    pass11class OphydMethodNotOverloaded(AssertionError, errors.OpException):12    """13    """14    pass15# t_super = Device16#: It has to be PVPositionerPC so that it will work17t_super = PVPositionerPC18class DoneBasedOnReadback(t_super):19    """Wait until readback is matching setpoint within requested precision20    The idea of this class is to mimic a proper done variable using21    setpoint and readback value. Then the done variable should be22    set when the readback value matches the setpoint value within23    the specified precision.24    See :class:`ReachedSetpoint` for an implemementation of this class25    The work is done in26    This checking behaviour is implemented in27    :meth:`_positionReached`.28    The device has to provide two signal like variables:29        * setpoint30        * readback31    Warning:32        Code not yet checked33    Todo:34        Check __init__ handling timeout35    """36    #:37    always_set = Cpt(Signal, name='always_set', value=False, kind=Kind.config)38    #: Tune correction is made by calling method set, but without39    #: writing a value to it40    do_not_set = Cpt(Signal, name='always_set', value=False, kind=Kind.config)41    def __init__(self, *args, **kws):42        """43        Args:44            setting_parameters :45        """46        self._setting_parameters = None47        self._timeout = None48        setting_parameters = kws.pop("setting_parameters", None)49        timeout = kws.pop("timeout", 0.0)50        timeout = float(timeout)51        super().__init__(*args, **kws)52        setpar = self._checkSettingParameters(setting_parameters)53        if setpar is None:54            cls_name = self.__class__.__name__55            txt = (56                f'{cls_name}._checkSettingParameters must return'57                ' valid parameters (returned None)'58            )59            raise AssertionError(txt)60        self._setting_parameters = setpar61        self._timeout = timeout62        self._checkSetup()63        # Required to trace the status of the device64        self._moving = None65    def _checkSetup(self):66        """check that instance contains required variables67        """68        assert(self.readback is not None)69        assert(callable(self.readback.get))70        assert(self.setpoint is not None)71        assert(callable(self.readback.get))72        assert(callable(self.readback.set))73        assert(self._timeout > 0)74    def _checkSettingParameters(self, setting_parameters):75        """Check and store setting Parameters76        Overload this function to check setting parameters77        Returns:78                valid setting parameters79        """80        raise OphydMethodNotOverloaded("Overload this method")81        return setting_parameters82    def _positionReached(self, *args, **kws):83        """check that the position has been reached84        Returns: flag(bool)85        Returns true if position was reached, false otherwise86        """87        raise OphydMethodNotOverloaded("Overload this method")88    def set(self, value):89        """90        Returns:91            :class:`ophyd.status.SubscriptionStatus`92        """93        def callback(*args, **kws):94            pos_valid = self._positionReached(*args, **kws)95            cls_name = self.__class__.__name__96            txt = (97                f'{cls_name}:set cb: args {args}  kws {kws}:'98                f' self._moving {self._moving} pos_valid {pos_valid}'99                )100            self.log.info(txt)101            if self._moving and pos_valid:102                self._moving = False103                self.log.info(txt)104                return True105            else:106                self._moving = True107            return False108        pos_valid = self._positionReached(check_set_value=value)109        always_set = self.always_set.get()110        cls_name = self.__class__.__name__111        name = self.name112        if pos_valid:113            txt = f"{cls_name}: no motion required for value {value} always set {always_set}"114            self.log.info(txt)115        if pos_valid and not always_set:116            status = Status()117            # status.success = 1 -> status.set_finished()118            status.set_finished()119            txt = f"{cls_name}.{name}: no motion required : always set {always_set} False. No motion"120            self.log.debug(txt)121            return status122        self.log.debug(f'{cls_name}.{name}settle time {self.settle_time}')123        stat_rbk = None124        if not pos_valid:125            # No response expected126            stat_rbk = SubscriptionStatus(self.readback, callback,127                                          timeout=self._timeout,128                                          settle_time=self.settle_time)129        txt = f"{cls_name}: setting to value {value}"130        self.log.debug(txt)131        if self.do_not_set.get():132            txt = (133                f'Not setting the value {value} position valid {pos_valid}'134                f' stat_rbk {stat_rbk}'135            )136            self.log.info(txt)137            stat_setp = Status()138            stat_setp.set_finished()139        else:140            stat_setp = self.setpoint.set(value, timeout=self._timeout)141        if stat_rbk is None:142            status = stat_setp143        else:144            status = AndStatus(stat_rbk, stat_setp)145        cls_name = self.__class__.__name__146        txt = f"{cls_name}:set cb: value {value} status = {status}: setp {stat_setp} {stat_rbk}"147        # print(txt)148        self.log.info(txt)149        return status150class ReachedSetpoint(DoneBasedOnReadback):151    """Setpoint within some absolute precision152    Obsolete class use :class:`ReachedSetpointEPS` instead153    """154    def __init__(self, *args, **kwargs):155        msg = 'Obsolete class use ReachedSetpointEPS instead'156        raise NotImplementedError(msg)157class ReachedSetpointEPS(DoneBasedOnReadback):158    """Setpoint within some absolute and relative precision159    """160    eps_rel = Cpt(Signal, name='eps_rel', value=1e-9)161    eps_abs = Cpt(Signal, name='eps_abs', value=1e-9)162    def _correctReadback(self, val):163        return val164    def _positionReached(self, *args, **kws):165        """position within given range?166        """167        rbk = self.readback.get()168        rbk = self._correctReadback(rbk)169        check_set_value = kws.pop("check_set_value", None)170        if check_set_value is None:171            setp = self.setpoint.get()172        else:173            setp = check_set_value174        eps_abs = self.eps_abs.get()175        eps_rel = self.eps_rel.get()176        t_cmp = compare_value(rbk, setp, eps_abs=eps_abs, eps_rel=eps_rel)177        flag = t_cmp == 0178        c_name = str(self.__class__)179        name = self.name180        txt = (181            f'{c_name}:_positionReached: name {name}, set {setp} rbk {rbk} '182            f'eps: abs {eps_abs} rel {eps_rel} '183            f'comparison {t_cmp} position valid {flag}'184        )185        # print(txt)186        if flag:187            self.log.info(txt)188        else:189            self.log.debug(txt)190        return flag191    def _checkSettingParameters(self, unused):192        """Absolute value for setting parameter193        And thus just a float194        """195        eps_abs = self.eps_abs.get()196        try:197            t_range = float(eps_abs)198            assert(t_range > 0)199        except ValueError as des:200            msg = f"Expected eps_abs {eps_abs}  >0 got: error {des}"201            raise OphydInvalidParameter(msg)202        eps_rel = self.eps_rel.get()203        try:204            t_range = float(eps_rel)205            assert(t_range > 0)206        except ValueError as des:207            msg = f"Expected eps_rel {eps_rel}  >0 got: error {des}"208            raise OphydInvalidParameter(msg)...

ReachedSetPoint.py

Source:ReachedSetPoint.py

1from ....math.utils import compare_value2from ophyd import PVPositionerPC, Component as Cpt, Signal3from ophyd.utils import errors4from ophyd.status import SubscriptionStatus, Status, AndStatus5import logging6logger = logging.getLogger()7class OphydInvalidParameter(ValueError, errors.OpException):8    """given parameter was invalid9    """10    pass11class OphydMethodNotOverloaded(AssertionError, errors.OpException):12    """13    """14    pass15# t_super = Device16#: It has to be PVPositionerPC so that it will work17t_super = PVPositionerPC18class DoneBasedOnReadback(t_super):19    """Wait until readback is matching setpoint within requested precision20    The idea of this class is to mimic a proper done variable using21    setpoint and readback value. Then the done variable should be22    set when the readback value matches the setpoint value within23    the specified precision.24    See :class:`ReachedSetpoint` for an implemementation of this class25    The work is done in26    This checking behaviour is implemented in27    :meth:`_positionReached`.28    The device has to provide two signal like variables:29        * setpoint30        * readback31    Warning:32        Code not yet checked33    Todo:34        Check __init__ handling timeout35    """36    def __init__(self, *args, **kws):37        """38        Args:39            setting_parameters :40        """41        self._setting_parameters = None42        self._timeout = None43        setting_parameters = kws.pop("setting_parameters", None)44        timeout = kws.pop("timeout", 0.0)45        timeout = float(timeout)46        super().__init__(*args, **kws)47        setpar = self._checkSettingParameters(setting_parameters)48        if setpar is None:49            cls_name = self.__class__.__name__50            txt = (51                f'{cls_name}._checkSettingParameters must return'52                ' valid parameters (returned None)'53            )54            raise AssertionError(txt)55        self._setting_parameters = setpar56        self._timeout = timeout57        self._checkSetup()58        # Required to trace the status of the device59        self._moving = None60    def _checkSetup(self):61        """check that instance contains required variables62        """63        assert(self.readback is not None)64        self.readback.value65        assert(self.setpoint is not None)66        self.setpoint.value67        self.setpoint.set68        assert(self._timeout > 0)69    def _checkSettingParameters(self, setting_parameters):70        """Check and store setting Parameters71        Overload this function to check setting parameters72        Returns:73                valid setting parameters74        """75        raise OphydMethodNotOverloaded("Overload this method")76        return setting_parameters77    def _positionReached(self, *args, **kws):78        """check that the position has been reached79        Returns: flag(bool)80        Returns true if position was reached, false otherwise81        """82        raise OphydMethodNotOverloaded("Overload this method")83    def set(self, value):84        """85        Returns:86            :class:`ophyd.status.SubscriptionStatus`87        """88        def callback(*args, **kws):89            pos_valid = self._positionReached(*args, **kws)90            cls_name = self.__class__.__name__91            txt = (92                f'{cls_name}:set cb: args {args}  kws {kws}:'93                f' self._moving {self._moving} pos_valid {pos_valid}'94                )95            self.log.debug(txt)96            if self._moving and pos_valid:97                self._moving = False98                return True99            else:100                self._moving = True101            return False102        pos_valid = self._positionReached(check_set_value=value)103        if pos_valid:104            status = Status()105            status.done = 1106            status.success = 1107            cls_name = self.__class__.__name__108            txt = f"{cls_name}: no motion required for value {value}"109            self.log.info(txt)110            return status111        self.log.info(f'settle time {self.settle_time}')112        stat_rbk = SubscriptionStatus(self.readback, callback,113                                      timeout=self._timeout,114                                      settle_time=self.settle_time)115        stat_setp = self.setpoint.set(value, timeout=self._timeout)116        status = AndStatus(stat_rbk, stat_setp)117        cls_name = self.__class__.__name__118        txt = f"{cls_name}:set cb: value {value} status = {status}"119        # print(txt)120        if logger:121            logger.debug(txt)122        return status123class ReachedSetpoint(DoneBasedOnReadback):124    """Setpoint within some absolute precision125    Obsolete class use :class:`ReachedSetpointEPS` instead126    """127    def __init__(self, *args, **kwargs):128        msg = 'Obsolete class use ReachedSetpointEPS instead'129        raise NotImplementedError(msg)130class ReachedSetpointEPS(DoneBasedOnReadback):131    """Setpoint within some absolute and relative precision132    """133    eps_rel = Cpt(Signal, name='eps_rel', value=1e-9)134    eps_abs = Cpt(Signal, name='eps_abs', value=1e-9)135    def _correctReadback(self, val):136        return val137    def _positionReached(self, *args, **kws):138        """position within given range?139        """140        rbk = self.readback.value141        rbk = self._correctReadback(rbk)142        check_set_value = kws.pop("check_set_value", None)143        if check_set_value is None:144            setp = self.setpoint.value145        else:146            setp = check_set_value147        eps_abs = self.eps_abs.value148        eps_rel = self.eps_rel.value149        t_cmp = compare_value(rbk, setp, eps_abs=eps_abs, eps_rel=eps_rel)150        flag = t_cmp == 0151        c_name = str(self.__class__)152        txt = (153            f'{c_name}:_positionReached: set {setp} rbk {rbk} '154            f'eps: abs {eps_abs} rel {eps_rel} '155            f'comparison {t_cmp} position valid {flag}'156        )157        # print(txt)158        self.log.info(txt)159        return flag160    def _checkSettingParameters(self, unused):161        """Absolute value for setting parameter162        And thus just a float163        """164        eps_abs = self.eps_abs.value165        try:166            t_range = float(eps_abs)167            assert(t_range > 0)168        except ValueError as des:169            msg = f"Expected eps_abs {eps_abs}  >0 got: error {des}"170            raise OphydInvalidParameter(msg)171        eps_rel = self.eps_rel.value172        try:173            t_range = float(eps_rel)174            assert(t_range > 0)175        except ValueError as des:176            msg = f"Expected eps_rel {eps_rel}  >0 got: error {des}"177            raise OphydInvalidParameter(msg)...

check_set_value.py

Source:check_set_value.py

1#!/usr/bin/python32# check_set_value.py: Wrapper to demonstrate check_set_value()3# utility function that determines whether a value is a legal4# value of a given SET column.5# Usage: check_set_value.py db_name tbl_name col_name test_value6import sys7import mysql.connector8import cookbook9from cookbook_utils import *10if len(sys.argv) != 5:11  print("Usage: check_enum_value.py db_name tbl_name col_name test_val")12  sys.exit(1)13db_name = sys.argv[1]14tbl_name = sys.argv[2]15col_name = sys.argv[3]16val = sys.argv[4]...

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