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How to use verify_hardware method in autotest

Best Python code snippet using autotest_python

pygenie.py

Source:pygenie.py

1from collections import namedtuple2from contextlib import contextmanager3from pygenie.lib import *4from pygenie.lib.params._par_type import Parameter5class MeasurementTime(object):6    def __init__(self, live, real):7        self.live = live8        self.real = real9    def serialize(self):10        return {11            "live": self.live,12            "real": self.real13        }14class EnergycalibrationManager(object):15    POLYNOMIAL_CALIBRATION = b"POLY"16    """17    Value of ``EnergyCalibration.TYPE`` parameter which signifies18    polynomial calibration (that we are able to serialize.19    """20    def __init__(self, pygenie):21        super().__init__()22        self.pygenie = pygenie23    @property24    def type(self):25        """26        Calibration type used.27        """28        return self.pygenie.get_param(EnergyCalibration.TYPE)29    @property30    def unit(self):31        """32        Unit (eg. kev) in to which energy is calibrated33        """34        return self.pygenie.get_param(EnergyCalibration.UNIT)35    def get_calibration_coefficients(self):36        """37        If this uses polynomial calibration will return38        numpy array containing polynomial coefficients.39        This polynomial is in format compatible with ``np.polyval``40        call.41        """42        return get_calibration(self.pygenie.dsc)43    def serialize(self):44        serialized_dict = {45            "type" : self.type,46            "unit": self.unit,47        }48        if serialized_dict['type'] == self.POLYNOMIAL_CALIBRATION:49            serialized_dict.update({50                "energy_calibration": list(self.get_calibration_coefficients())51            })52        return serialized_dict53@contextmanager54def open_cam_source(file_name, source_type, open_mode=OpenFlags.ReadOnly, verify_hardware=False, shell_ptr=b""):55    pygenie = PYGenieObj()56    try:57        pygenie.open(file_name, source_type, open_mode, verify_hardware, shell_ptr)58        yield pygenie59    finally:60        pygenie.close()61class PYGenieObj(object):62    ABSOLUTE_TIME_PARAMETERS = {63        "X_ASTIME"64    }65    def __init__(self, autoconvert_absolute_dates=False):66        """67        :param bool autoconvert_absolute_dates: If set to True this object will attempt68                                                to automaticall convert datetime69                                                parameters that70                                                contain absolute intervals to datetime71                                                objects.72        :return:73        """74        super().__init__()75        self.dsc = None76        self.autoconvert_absolute_dates = autoconvert_absolute_dates77    def open(self, file_name, source_type, open_mode=OpenFlags.ReadOnly, verify_hardware=False, shell_ptr=b""):78        """79        Creates and opens a data source.80        Parameters are just like on SadOpenDataSource function.81        :param str file_name: It can be str, bytes or pathlib.Path object. File or datasource to open.82        :param SourceType esource_type: A source type. Specific types depend on the83                                        Library used. Example valid values are:84                                        ``SourceType.NativeSpect`` or ``SourceType.Detector``.85                                        All other constants from header file are accepted,86                                        and are avilable from SourceType without87                                        ``CIF_`` prefix.88        :param OpenFlags open_mode: Open method all constants prefixed with ``ACC_`` are avilable89                                    from this enum. Example valid value90                                    ``SourceType.ReadOnly``.91        :param bool verify_hardware: See  SadOpenDataSource.92        :param bytes shell_ptr:93        :return: None94        """95        self.dsc = create_vdm_connection()96        open_source(self.dsc, file_name, source_type, open_mode, verify_hardware, shell_ptr)97    def close(self):98        """99        Closes the VDM connection. Called automatically on deletion of this object.100        """101        if self.dsc is not None:102            self.flush()103            delete_vdm_connection(self.dsc)104            self.dsc = None105    def flush(self):106        flush(self.dsc)107    def convert_cam_interval_to_datetime(self, interval):108        return convert_interval_to_absolute_date(interval)109    def get_param(self, param, entry=1, record=1):110        """111        Gets a parameter.112        Following type conversions are used:113        * T parameters are converted to byte instances.114        * F parameters are converted to floats.115        * X parameters (datetime) are converted to floats, to convert them to116          datetime use :meth:`convert_cam_interval_to_datetime` (or select:117          ``autoconvert_absolute_dates`` on ``__init__``.)118        * L parameters are converted to int instances.119        :param Parameter param: Parameter to get. This can be either a string (with name120                                of the constant). Or a Parameter instance.121                                Parameters can be obtained from: a PARAM_GENERATOR instance122                                (for example ``PARAM_GENERATOR.T_STITLE``), or from123                                various enums that contain human-readable parameter124                                names, see: :class:`EnergyCalibration`,125                                :class:`SampleDescription`, :class:`ParamAlias`.126        :param int entry: As defined in SadGetParam (yes when I use this form, it means I have no clue)127        :param int record: As defined in SadGetParam128        :return: Parameter value129        """130        value =  get_parameter(self.dsc, param, entry, record)131        if self.autoconvert_absolute_dates and param.name in self.ABSOLUTE_TIME_PARAMETERS:132            value = self.convert_cam_interval_to_datetime(value)133        return value134    def set_param(self, param, value,  entry=1, record=1):135        """136        Sets a parameter. See :meth:`get_param` for description of parameters.137        Data is flushed to the data soure when this object is closed, deleted138        or when call to :meth:`flush` is issued.139        :param value: Value to be set140        """141        set_parameter(self.dsc, param, value, entry, record)142    def get_spectrum(self, channel_from=None, channel_to=None, spectrum_type=SpectrumType.LONG_DATA):143        """144        Returns spectrum from data source as a numpy array.145        Depending on value of ``spectrum_type``,146        either a numpy array containing dtype=np.uint32 (default) entries, or147        a numpy array containing dtype=np.float32.148        :param int channel_from:149        :param int channel_to:150        :param SpectrumType spectrum_type:151        :return: Numpy array containing spectrum channels.152        """153        if channel_from is None:154            channel_from = 0155        if channel_to is None:156            channel_to = self.channel_count157        return get_spectrum(self.dsc, channel_from, channel_to, spectrum_type)158    def __getitem__(self, item):159        """160        Equicalent to:  ``self.get_spectrum(item.start, item.stop)161        :param slice item:162        """163        if not isinstance(item, slice):164            raise ValueError("Pass a slice object")165        if item.step is not None:166            raise ValueError("Step is not supported")167        return self.get_spectrum(item.start, item.stop)168    @property169    def channel_count(self):170        """171        Return number of channels in the detector172        :return:173        """174        return self.get_param(ParamAlias.NUMBER_OF_CHANNELS)175    @property176    def measurement_time(self):177        """178        Returns tuple containing both live and real measurement times.179        """180        return MeasurementTime(181            self.get_param(ParamAlias.TIME_LIVE),182            self.get_param(ParamAlias.TIME_REAL),183        )184    @property185    def title(self):186        return self.get_param(SampleDescription.TITLE)187    @title.setter188    def title(self, value):189        if isinstance(value, str):190            value = value.encode('ascii')191        self.set_param(SampleDescription.TITLE, value)192        self.flush() # Since getter would still return stale value193    @property194    def sample_id(self):195        return self.get_param(SampleDescription.ID)196    @sample_id.setter197    def sample_id(self, value):198        if isinstance(value, str):199            value = value.encode('ascii')200        self.set_param(SampleDescription.ID, value)201        self.flush() # Since getter would still return stale value202    @property203    def energy_calibration(self):204        return EnergycalibrationManager(self)205    def get_description(self, part=0):206        """207        CAM files can contain four parts of description (each 64 bytes long).208        This returns each part209        :param int part: Zero indexed part index210        """211        return self.get_param(SampleDescription.DESCRIPTION[part+1])212    def set_description(self, value, part=0):213        """214        Sets description part.215        """216        if isinstance(value, str):217            value = value.encode('ascii')218        self.set_param(SampleDescription.DESCRIPTION[part+1], value)219    @property220    def measurement_start_time(self):221        """222        Datetime instance containing time when measurement was started.223        """224        return self.convert_cam_interval_to_datetime(225            get_parameter(self.dsc, SampleDescription.MEASURE_START_TIME)226        )227    def serialize(self, convert_absolute_datetime_params=False, additional_metadata = None):228        """229        Returns a dictionary (that can be immediately serialized to JSON)230        (Format should be self-evident).231        :param bool convert_absolute_datetime_params:  if true --- we will convert absolute datetimes and present them232                                                       as strings.233        :return: dict234        """235        additional_metadata = {} if additional_metadata is None else additional_metadata236        # param_list = [] if param_list is None else param_list237        serialized_dict = {238            "metadata": additional_metadata,239            "channel_count": self.channel_count,240            "measurment_start_time": self.measurement_start_time,241            "measurement_time" : self.measurement_time,242            "spectrum": self[:],243            "sample_id": self.sample_id,244            "title": self.title,245            "description": [],246            "energy_calibration": self.energy_calibration.serialize(),247            "params": []248        }249        # for param_list250        for ii in range(4):251            serialized_dict['description'].append(self.get_description(ii))252        return serialized_dict253    def __del__(self):...

coral_pi.py

Source:coral_pi.py

...6    version = platform.python_version()7    (major, minor, patch) = version.split('.')8    if major != '3' or minor != 7:9        raise Exception('Python version must be between 3.7 to use the Google Coral USB Accelerator on a Raspberry Pi')10def verify_hardware():11    uname = os.uname()12    OS = uname[0]13    MACHINE = uname[4]14    is_linux = OS == "Linux"15    is_pi = utility.is_raspberry_pi()16    is_arm7 = MACHINE in "armv7l"17    if not (is_pi and is_linux and is_arm7):18        raise Exception('If using the Google Coral on a Raspberry Pi, the architecture must be armv7l')19def check_lib_edge_tpu_install():20    verify_hardware()21    # https://stackoverflow.com/a/3391589/864383322    with open(os.devnull, "w") as devnull:23        retval = subprocess.call(24            ["dpkg","-s","libedgetpu1-std"],25            stdout=devnull,26            stderr=subprocess.STDOUT27        )28    29    return retval == 030def install_pycoral():31    utility.info('Installing pycoral and tflite-runtime...')32    new_reqs = utility.pip_install('{} {}'.format(constants.tflite_rpi_wheel, constants.pycoral_rpi_wheel))33    utility.info('The following packages have been installed:\n')34    [print('\t{}'.format(req)) for req in new_reqs]35   36def setup_coral():37    utility.info('Checking hardware compatibility...')38    verify_hardware()39    print('\tDevice is compatible!\n')40    utility.info('Checking python version...')41    verify_python_version()42    print('\tPython version is compatible!\n')43    utility.info("Checking if Google Coral lib_edge_tpu has been installed...")44    lib_is_installed = check_lib_edge_tpu_install()45    if not lib_is_installed:46        install_cmd = '\n'.join([47            'echo "deb https://packages.cloud.google.com/apt coral-edgetpu-stable main" | sudo tee /etc/apt/sources.list.d/coral-edgetpu.list',48            'curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -',49            'sudo apt-get update',50            'sudo apt-get install libedgetpu1-std'51        ])52        ...

dsc.py

Source:dsc.py

1import pathlib2from pygenie import init;3init._make_initialized()4from pygenie.utils import extract_defines, hex_int5from pygenie.lib.errors import check_for_error, ReturnErrorCodes6import enum7SourceType = enum.IntEnum(8    "SourceType",9    extract_defines(init.S560_PATH / 'CI_FILES.H', prefix="CIF_",10                    required_names=["NativeSpect", "Detector"], value_mapper=hex_int))11OpenFlags = enum.IntEnum(12    "OpenFlags", extract_defines(13        init.S560_PATH / 'Spasst.h', prefix="ACC_", value_mapper=hex_int,14        required_names=["ReadOnly", "ReadWrite", "Exclusive", 'SysWrite', 'AppWrite', 'Direct']))15def delete_vdm_connection(dsc):16    check_for_error(dsc, init.SAD_LIB.SadDeleteDSC(dsc))17def open_source(dsc, source_location, detector_type, open_mode, verify_hardware=False, shell_id=b""):18    if isinstance(source_location, str):19        source_location = pathlib.Path(source_location)20    check_for_error(dsc, init.SAD_LIB.SadOpenDataSource(dsc, bytes(source_location), int(detector_type), int(open_mode), verify_hardware, shell_id))21def create_vdm_connection():22    dsc = init.ffi.new("void**")23    #Yes these arguments myst allways be zero24    needs_to_delete_dsc = False25    # This is ankward error handling, but here is the rationale26    # If iUtlCreateFileDSC2 returns Error we need to manally delete DSC,27    # This should be done even if some other exception is raised28    # (for example while getting error details)29    init_result = init.SAD_LIB.iUtlCreateFileDSC2(dsc, 0, init.ffi.NULL)30    dsc = dsc[0]31    if init_result == ReturnErrorCodes.Error:32        needs_to_delete_dsc = True33    try:34        check_for_error(dsc, init_result)35    finally:36        if needs_to_delete_dsc:37            delete_vdm_connection(dsc) # In case of this error we are responsible for deleting dsc38    return dsc39def flush(dsc):40    init.SAD_LIB.SadFlush(dsc)...

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