vtivrt.constants

Constants and enumerations for vtivrt.

The types prefixed as just “Vrt” are defined as part of VITA 49. Those prefixed as “VtiVrt” are defined by VTI Instruments.

Members 

flag vtivrt.constants.VrtLogicalEvents(value)

Bases: IntFlag

The VRT Measurement Info Context packet’s Event Enables and Indicators fields’ flags

Member Type:: int

Valid values are as follows:

SAMPLE_LOSS = <VrtLogicalEvents.SAMPLE_LOSS: 16>

OVER_RANGE = <VrtLogicalEvents.OVER_RANGE: 32>

SPECTRAL_INV = <VrtLogicalEvents.SPECTRAL_INV: 64>

DETECTED_SIG = <VrtLogicalEvents.DETECTED_SIG: 128>

AGC_MGC = <VrtLogicalEvents.AGC_MGC: 256>

REF_LOCK = <VrtLogicalEvents.REF_LOCK: 512>

VALID_DATA = <VrtLogicalEvents.VALID_DATA: 1024>

CALIB_TIME = <VrtLogicalEvents.CALIB_TIME: 2048>

The Flag and its members also have the following methods:

static _generate_next_value_(name, start, count, last_values)

Generate the next value when not given.

name: the name of the member start: the initial start value or None count: the number of existing members last_values: the last value assigned or None

conjugate(): Returns self, the complex conjugate of any int.

bit_length()

Number of bits necessary to represent self in binary.

>>> bin(37)
'0b100101'
>>> (37).bit_length()
6

bit_count()

Number of ones in the binary representation of the absolute value of self.

Also known as the population count.

>>> bin(13)
'0b1101'
>>> (13).bit_count()
3

to_bytes(length=1, byteorder='big', *, signed=False)

Return an array of bytes representing an integer.

length: Length of bytes object to use. An OverflowError is raised if the integer is not representable with the given number of bytes. Default is length 1.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Determines whether two’s complement is used to represent the integer. If signed is False and a negative integer is given, an OverflowError is raised.

classmethod from_bytes(bytes, byteorder='big', *, signed=False)

Return the integer represented by the given array of bytes.

bytes: Holds the array of bytes to convert. The argument must either support the buffer protocol or be an iterable object producing bytes. Bytes and bytearray are examples of built-in objects that support the buffer protocol.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Indicates whether two’s complement is used to represent the integer.

as_integer_ratio()

Return a pair of integers, whose ratio is equal to the original int.

The ratio is in lowest terms and has a positive denominator.

>>> (10).as_integer_ratio()
(10, 1)
>>> (-10).as_integer_ratio()
(-10, 1)
>>> (0).as_integer_ratio()
(0, 1)

is_integer(): Returns True. Exists for duck type compatibility with float.is_integer.

real: the real part of a complex number

imag: the imaginary part of a complex number

numerator: the numerator of a rational number in lowest terms

denominator: the denominator of a rational number in lowest terms

_numeric_repr_(obj, /)

Return the canonical string representation of the object.

For many object types, including most builtins, eval(repr(obj)) == obj.

classmethod _iter_member_by_value_(value): Extract all members from the value in definition (i.e. increasing value) order.

classmethod _iter_member_(value): Extract all members from the value in definition (i.e. increasing value) order.

classmethod _iter_member_by_def_(value): Extract all members from the value in definition order.

classmethod _missing_(value)

Create a composite member containing all canonical members present in value.

If non-member values are present, result depends on _boundary_ setting.

flag vtivrt.constants.VrtMeasInfoContextIndicator(value)

Bases: IntFlag

The VRT Measurement Info Context packet’s Context Indicator flags

Member Type:: int

Valid values are as follows:

FIELD_CHANGED = <VrtMeasInfoContextIndicator.FIELD_CHANGED: 2147483648>

BANDWIDTH = <VrtMeasInfoContextIndicator.BANDWIDTH: 536870912>

REFERENCE_LEVEL = <VrtMeasInfoContextIndicator.REFERENCE_LEVEL: 16777216>

OVER_RANGE_COUNT = <VrtMeasInfoContextIndicator.OVER_RANGE_COUNT: 4194304>

SAMPLE_RATE = <VrtMeasInfoContextIndicator.SAMPLE_RATE: 2097152>

TEMPERATURE = <VrtMeasInfoContextIndicator.TEMPERATURE: 262144>

EVENTS = <VrtMeasInfoContextIndicator.EVENTS: 65536>

The Flag and its members also have the following methods:

static _generate_next_value_(name, start, count, last_values)

Generate the next value when not given.

name: the name of the member start: the initial start value or None count: the number of existing members last_values: the last value assigned or None

conjugate(): Returns self, the complex conjugate of any int.

bit_length()

Number of bits necessary to represent self in binary.

>>> bin(37)
'0b100101'
>>> (37).bit_length()
6

bit_count()

Number of ones in the binary representation of the absolute value of self.

Also known as the population count.

>>> bin(13)
'0b1101'
>>> (13).bit_count()
3

to_bytes(length=1, byteorder='big', *, signed=False)

Return an array of bytes representing an integer.

length: Length of bytes object to use. An OverflowError is raised if the integer is not representable with the given number of bytes. Default is length 1.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Determines whether two’s complement is used to represent the integer. If signed is False and a negative integer is given, an OverflowError is raised.

classmethod from_bytes(bytes, byteorder='big', *, signed=False)

Return the integer represented by the given array of bytes.

bytes: Holds the array of bytes to convert. The argument must either support the buffer protocol or be an iterable object producing bytes. Bytes and bytearray are examples of built-in objects that support the buffer protocol.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Indicates whether two’s complement is used to represent the integer.

as_integer_ratio()

Return a pair of integers, whose ratio is equal to the original int.

The ratio is in lowest terms and has a positive denominator.

>>> (10).as_integer_ratio()
(10, 1)
>>> (-10).as_integer_ratio()
(-10, 1)
>>> (0).as_integer_ratio()
(0, 1)

is_integer(): Returns True. Exists for duck type compatibility with float.is_integer.

real: the real part of a complex number

imag: the imaginary part of a complex number

numerator: the numerator of a rational number in lowest terms

denominator: the denominator of a rational number in lowest terms

_numeric_repr_(obj, /)

Return the canonical string representation of the object.

For many object types, including most builtins, eval(repr(obj)) == obj.

classmethod _iter_member_by_value_(value): Extract all members from the value in definition (i.e. increasing value) order.

classmethod _iter_member_(value): Extract all members from the value in definition order.

classmethod _iter_member_by_def_(value): Extract all members from the value in definition order.

classmethod _missing_(value)

Create a composite member containing all canonical members present in value.

If non-member values are present, result depends on _boundary_ setting.

flag vtivrt.constants.VrtMeasInfoUserEvent(value)

Bases: IntFlag

The VRT Measurement Info Context packet’s User Event field flags

Member Type:: int

Valid values are as follows:

RESAMPLING = <VrtMeasInfoUserEvent.RESAMPLING: 128>

FIFO_OVERFLOW = <VrtMeasInfoUserEvent.FIFO_OVERFLOW: 8>

DROPPED_TRIG = <VrtMeasInfoUserEvent.DROPPED_TRIG: 4>

INIT = <VrtMeasInfoUserEvent.INIT: 2>

DATA_STREAM = <VrtMeasInfoUserEvent.DATA_STREAM: 1>

The Flag and its members also have the following methods:

static _generate_next_value_(name, start, count, last_values)

Generate the next value when not given.

name: the name of the member start: the initial start value or None count: the number of existing members last_values: the last value assigned or None

conjugate(): Returns self, the complex conjugate of any int.

bit_length()

Number of bits necessary to represent self in binary.

>>> bin(37)
'0b100101'
>>> (37).bit_length()
6

bit_count()

Number of ones in the binary representation of the absolute value of self.

Also known as the population count.

>>> bin(13)
'0b1101'
>>> (13).bit_count()
3

to_bytes(length=1, byteorder='big', *, signed=False)

Return an array of bytes representing an integer.

length: Length of bytes object to use. An OverflowError is raised if the integer is not representable with the given number of bytes. Default is length 1.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Determines whether two’s complement is used to represent the integer. If signed is False and a negative integer is given, an OverflowError is raised.

classmethod from_bytes(bytes, byteorder='big', *, signed=False)

Return the integer represented by the given array of bytes.

bytes: Holds the array of bytes to convert. The argument must either support the buffer protocol or be an iterable object producing bytes. Bytes and bytearray are examples of built-in objects that support the buffer protocol.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Indicates whether two’s complement is used to represent the integer.

as_integer_ratio()

Return a pair of integers, whose ratio is equal to the original int.

The ratio is in lowest terms and has a positive denominator.

>>> (10).as_integer_ratio()
(10, 1)
>>> (-10).as_integer_ratio()
(-10, 1)
>>> (0).as_integer_ratio()
(0, 1)

is_integer(): Returns True. Exists for duck type compatibility with float.is_integer.

real: the real part of a complex number

imag: the imaginary part of a complex number

numerator: the numerator of a rational number in lowest terms

denominator: the denominator of a rational number in lowest terms

_numeric_repr_(obj, /)

Return the canonical string representation of the object.

For many object types, including most builtins, eval(repr(obj)) == obj.

classmethod _iter_member_by_value_(value): Extract all members from the value in definition (i.e. increasing value) order.

classmethod _iter_member_(value): Extract all members from the value in definition order.

classmethod _iter_member_by_def_(value): Extract all members from the value in definition order.

classmethod _missing_(value)

Create a composite member containing all canonical members present in value.

If non-member values are present, result depends on _boundary_ setting.

enum vtivrt.constants.VrtPacketType(value)

Bases: IntEnum

The VRT Packet Type field

Member Type:: int

Valid values are as follows:

IF_DATA_NO_ID = <VrtPacketType.IF_DATA_NO_ID: 0>

IF_DATA_WITH_ID = <VrtPacketType.IF_DATA_WITH_ID: 1>

EXT_DATA_NO_ID = <VrtPacketType.EXT_DATA_NO_ID: 2>

EXT_DATA_WITH_ID = <VrtPacketType.EXT_DATA_WITH_ID: 3>

IF_CONTEXT = <VrtPacketType.IF_CONTEXT: 4>

EXT_CONTEXT = <VrtPacketType.EXT_CONTEXT: 5>

The Enum and its members also have the following methods:

conjugate(): Returns self, the complex conjugate of any int.

bit_length()

Number of bits necessary to represent self in binary.

>>> bin(37)
'0b100101'
>>> (37).bit_length()
6

bit_count()

Number of ones in the binary representation of the absolute value of self.

Also known as the population count.

>>> bin(13)
'0b1101'
>>> (13).bit_count()
3

to_bytes(length=1, byteorder='big', *, signed=False)

Return an array of bytes representing an integer.

length: Length of bytes object to use. An OverflowError is raised if the integer is not representable with the given number of bytes. Default is length 1.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Determines whether two’s complement is used to represent the integer. If signed is False and a negative integer is given, an OverflowError is raised.

classmethod from_bytes(bytes, byteorder='big', *, signed=False)

Return the integer represented by the given array of bytes.

bytes: Holds the array of bytes to convert. The argument must either support the buffer protocol or be an iterable object producing bytes. Bytes and bytearray are examples of built-in objects that support the buffer protocol.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Indicates whether two’s complement is used to represent the integer.

as_integer_ratio()

Return a pair of integers, whose ratio is equal to the original int.

The ratio is in lowest terms and has a positive denominator.

>>> (10).as_integer_ratio()
(10, 1)
>>> (-10).as_integer_ratio()
(-10, 1)
>>> (0).as_integer_ratio()
(0, 1)

is_integer(): Returns True. Exists for duck type compatibility with float.is_integer.

real: the real part of a complex number

imag: the imaginary part of a complex number

numerator: the numerator of a rational number in lowest terms

denominator: the denominator of a rational number in lowest terms

enum vtivrt.constants.VrtTimestampFractional(value)

Bases: IntEnum

The VRT Timestamp Fractional field

Member Type:: int

Valid values are as follows:

NONE = <VrtTimestampFractional.NONE: 0>

COUNT = <VrtTimestampFractional.COUNT: 1>

REAL = <VrtTimestampFractional.REAL: 2>

FREE = <VrtTimestampFractional.FREE: 3>

The Enum and its members also have the following methods:

conjugate(): Returns self, the complex conjugate of any int.

bit_length()

Number of bits necessary to represent self in binary.

>>> bin(37)
'0b100101'
>>> (37).bit_length()
6

bit_count()

Number of ones in the binary representation of the absolute value of self.

Also known as the population count.

>>> bin(13)
'0b1101'
>>> (13).bit_count()
3

to_bytes(length=1, byteorder='big', *, signed=False)

Return an array of bytes representing an integer.

length: Length of bytes object to use. An OverflowError is raised if the integer is not representable with the given number of bytes. Default is length 1.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Determines whether two’s complement is used to represent the integer. If signed is False and a negative integer is given, an OverflowError is raised.

classmethod from_bytes(bytes, byteorder='big', *, signed=False)

Return the integer represented by the given array of bytes.

bytes: Holds the array of bytes to convert. The argument must either support the buffer protocol or be an iterable object producing bytes. Bytes and bytearray are examples of built-in objects that support the buffer protocol.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Indicates whether two’s complement is used to represent the integer.

as_integer_ratio()

Return a pair of integers, whose ratio is equal to the original int.

The ratio is in lowest terms and has a positive denominator.

>>> (10).as_integer_ratio()
(10, 1)
>>> (-10).as_integer_ratio()
(-10, 1)
>>> (0).as_integer_ratio()
(0, 1)

is_integer(): Returns True. Exists for duck type compatibility with float.is_integer.

real: the real part of a complex number

imag: the imaginary part of a complex number

numerator: the numerator of a rational number in lowest terms

denominator: the denominator of a rational number in lowest terms

enum vtivrt.constants.VrtTimestampInteger(value)

Bases: IntEnum

The VRT Timestamp Integer field

Member Type:: int

Valid values are as follows:

NONE = <VrtTimestampInteger.NONE: 0>

UTC = <VrtTimestampInteger.UTC: 1>

GPS = <VrtTimestampInteger.GPS: 2>

OTHER = <VrtTimestampInteger.OTHER: 3>

The Enum and its members also have the following methods:

conjugate(): Returns self, the complex conjugate of any int.

bit_length()

Number of bits necessary to represent self in binary.

>>> bin(37)
'0b100101'
>>> (37).bit_length()
6

bit_count()

Number of ones in the binary representation of the absolute value of self.

Also known as the population count.

>>> bin(13)
'0b1101'
>>> (13).bit_count()
3

to_bytes(length=1, byteorder='big', *, signed=False)

Return an array of bytes representing an integer.

length: Length of bytes object to use. An OverflowError is raised if the integer is not representable with the given number of bytes. Default is length 1.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Determines whether two’s complement is used to represent the integer. If signed is False and a negative integer is given, an OverflowError is raised.

classmethod from_bytes(bytes, byteorder='big', *, signed=False)

Return the integer represented by the given array of bytes.

bytes: Holds the array of bytes to convert. The argument must either support the buffer protocol or be an iterable object producing bytes. Bytes and bytearray are examples of built-in objects that support the buffer protocol.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Indicates whether two’s complement is used to represent the integer.

as_integer_ratio()

Return a pair of integers, whose ratio is equal to the original int.

The ratio is in lowest terms and has a positive denominator.

>>> (10).as_integer_ratio()
(10, 1)
>>> (-10).as_integer_ratio()
(-10, 1)
>>> (0).as_integer_ratio()
(0, 1)

is_integer(): Returns True. Exists for duck type compatibility with float.is_integer.

real: the real part of a complex number

imag: the imaginary part of a complex number

numerator: the numerator of a rational number in lowest terms

denominator: the denominator of a rational number in lowest terms

flag vtivrt.constants.VrtTrailerEvents(value)

Bases: IntFlag

The VRT measurement packet trailer flags

Member Type:: int

Valid values are as follows:

USER1 = <VrtTrailerEvents.USER1: 1>

USER2 = <VrtTrailerEvents.USER2: 2>

USER3 = <VrtTrailerEvents.USER3: 4>

USER4 = <VrtTrailerEvents.USER4: 8>

SAMPLE_LOSS = <VrtTrailerEvents.SAMPLE_LOSS: 16>

OVER_RANGE = <VrtTrailerEvents.OVER_RANGE: 32>

SPECTRAL_INVERSION = <VrtTrailerEvents.SPECTRAL_INVERSION: 64>

DETECTED_SIGNAL = <VrtTrailerEvents.DETECTED_SIGNAL: 128>

AGC_MGC = <VrtTrailerEvents.AGC_MGC: 256>

REFERENCE_LOCK = <VrtTrailerEvents.REFERENCE_LOCK: 512>

VALID_DATA = <VrtTrailerEvents.VALID_DATA: 1024>

CALIBRATED_TIME = <VrtTrailerEvents.CALIBRATED_TIME: 2048>

The Flag and its members also have the following methods:

static _generate_next_value_(name, start, count, last_values)

Generate the next value when not given.

name: the name of the member start: the initial start value or None count: the number of existing members last_values: the last value assigned or None

conjugate(): Returns self, the complex conjugate of any int.

bit_length()

Number of bits necessary to represent self in binary.

>>> bin(37)
'0b100101'
>>> (37).bit_length()
6

bit_count()

Number of ones in the binary representation of the absolute value of self.

Also known as the population count.

>>> bin(13)
'0b1101'
>>> (13).bit_count()
3

to_bytes(length=1, byteorder='big', *, signed=False)

Return an array of bytes representing an integer.

length: Length of bytes object to use. An OverflowError is raised if the integer is not representable with the given number of bytes. Default is length 1.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Determines whether two’s complement is used to represent the integer. If signed is False and a negative integer is given, an OverflowError is raised.

classmethod from_bytes(bytes, byteorder='big', *, signed=False)

Return the integer represented by the given array of bytes.

bytes: Holds the array of bytes to convert. The argument must either support the buffer protocol or be an iterable object producing bytes. Bytes and bytearray are examples of built-in objects that support the buffer protocol.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Indicates whether two’s complement is used to represent the integer.

as_integer_ratio()

Return a pair of integers, whose ratio is equal to the original int.

The ratio is in lowest terms and has a positive denominator.

>>> (10).as_integer_ratio()
(10, 1)
>>> (-10).as_integer_ratio()
(-10, 1)
>>> (0).as_integer_ratio()
(0, 1)

is_integer(): Returns True. Exists for duck type compatibility with float.is_integer.

real: the real part of a complex number

imag: the imaginary part of a complex number

numerator: the numerator of a rational number in lowest terms

denominator: the denominator of a rational number in lowest terms

_numeric_repr_(obj, /)

Return the canonical string representation of the object.

For many object types, including most builtins, eval(repr(obj)) == obj.

classmethod _iter_member_by_value_(value): Extract all members from the value in definition (i.e. increasing value) order.

classmethod _iter_member_(value): Extract all members from the value in definition (i.e. increasing value) order.

classmethod _iter_member_by_def_(value): Extract all members from the value in definition order.

classmethod _missing_(value)

Create a composite member containing all canonical members present in value.

If non-member values are present, result depends on _boundary_ setting.

enum vtivrt.constants.VtiVrtCommentType(value)

Bases: IntEnum

The Extended Measurement Info Context packet’s Comment Type field

Member Type:: int

Valid values are as follows:

USER = <VtiVrtCommentType.USER: 0>

The Enum and its members also have the following methods:

conjugate(): Returns self, the complex conjugate of any int.

bit_length()

Number of bits necessary to represent self in binary.

>>> bin(37)
'0b100101'
>>> (37).bit_length()
6

bit_count()

Number of ones in the binary representation of the absolute value of self.

Also known as the population count.

>>> bin(13)
'0b1101'
>>> (13).bit_count()
3

to_bytes(length=1, byteorder='big', *, signed=False)

Return an array of bytes representing an integer.

length: Length of bytes object to use. An OverflowError is raised if the integer is not representable with the given number of bytes. Default is length 1.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Determines whether two’s complement is used to represent the integer. If signed is False and a negative integer is given, an OverflowError is raised.

classmethod from_bytes(bytes, byteorder='big', *, signed=False)

Return the integer represented by the given array of bytes.

bytes: Holds the array of bytes to convert. The argument must either support the buffer protocol or be an iterable object producing bytes. Bytes and bytearray are examples of built-in objects that support the buffer protocol.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Indicates whether two’s complement is used to represent the integer.

as_integer_ratio()

Return a pair of integers, whose ratio is equal to the original int.

The ratio is in lowest terms and has a positive denominator.

>>> (10).as_integer_ratio()
(10, 1)
>>> (-10).as_integer_ratio()
(-10, 1)
>>> (0).as_integer_ratio()
(0, 1)

is_integer(): Returns True. Exists for duck type compatibility with float.is_integer.

real: the real part of a complex number

imag: the imaginary part of a complex number

numerator: the numerator of a rational number in lowest terms

denominator: the denominator of a rational number in lowest terms

enum vtivrt.constants.VtiVrtEuType(value)

Bases: IntEnum

The Extended Measurement Info Context packet’s EU Conversion Type field

Member Type:: int

Valid values are as follows:

RAW = <VtiVrtEuType.RAW: 0>

UNIT_SCALE = <VtiVrtEuType.UNIT_SCALE: 1>

LINEAR_SCALE = <VtiVrtEuType.LINEAR_SCALE: 2>

USER_POLYNOMIAL = <VtiVrtEuType.USER_POLYNOMIAL: 3>

The Enum and its members also have the following methods:

conjugate(): Returns self, the complex conjugate of any int.

bit_length()

Number of bits necessary to represent self in binary.

>>> bin(37)
'0b100101'
>>> (37).bit_length()
6

bit_count()

Number of ones in the binary representation of the absolute value of self.

Also known as the population count.

>>> bin(13)
'0b1101'
>>> (13).bit_count()
3

to_bytes(length=1, byteorder='big', *, signed=False)

Return an array of bytes representing an integer.

length: Length of bytes object to use. An OverflowError is raised if the integer is not representable with the given number of bytes. Default is length 1.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Determines whether two’s complement is used to represent the integer. If signed is False and a negative integer is given, an OverflowError is raised.

classmethod from_bytes(bytes, byteorder='big', *, signed=False)

Return the integer represented by the given array of bytes.

bytes: Holds the array of bytes to convert. The argument must either support the buffer protocol or be an iterable object producing bytes. Bytes and bytearray are examples of built-in objects that support the buffer protocol.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Indicates whether two’s complement is used to represent the integer.

as_integer_ratio()

Return a pair of integers, whose ratio is equal to the original int.

The ratio is in lowest terms and has a positive denominator.

>>> (10).as_integer_ratio()
(10, 1)
>>> (-10).as_integer_ratio()
(-10, 1)
>>> (0).as_integer_ratio()
(0, 1)

is_integer(): Returns True. Exists for duck type compatibility with float.is_integer.

real: the real part of a complex number

imag: the imaginary part of a complex number

numerator: the numerator of a rational number in lowest terms

denominator: the denominator of a rational number in lowest terms

flag vtivrt.constants.VtiVrtExMeasInfoContextIndicator(value)

Bases: IntFlag

The Extended Measurement Info Context packet’s Context Indicator flags

Member Type:: int

Valid values are as follows:

FIELD_CHANGED = <VtiVrtExMeasInfoContextIndicator.FIELD_CHANGED: 2147483648>

SPAN_PRESCALER_FILTER = <VtiVrtExMeasInfoContextIndicator.SPAN_PRESCALER_FILTER: 1073741824>

RANGE = <VtiVrtExMeasInfoContextIndicator.RANGE: 536870912>

WEIGHTING = <VtiVrtExMeasInfoContextIndicator.WEIGHTING: 268435456>

EU = <VtiVrtExMeasInfoContextIndicator.EU: 134217728>

COMMENT = <VtiVrtExMeasInfoContextIndicator.COMMENT: 67108864>

TRIGGER_TIME = <VtiVrtExMeasInfoContextIndicator.TRIGGER_TIME: 33554432>

REFERENCE_JUNCTION = <VtiVrtExMeasInfoContextIndicator.REFERENCE_JUNCTION: 16777216>

The Flag and its members also have the following methods:

static _generate_next_value_(name, start, count, last_values)

Generate the next value when not given.

name: the name of the member start: the initial start value or None count: the number of existing members last_values: the last value assigned or None

conjugate(): Returns self, the complex conjugate of any int.

bit_length()

Number of bits necessary to represent self in binary.

>>> bin(37)
'0b100101'
>>> (37).bit_length()
6

bit_count()

Number of ones in the binary representation of the absolute value of self.

Also known as the population count.

>>> bin(13)
'0b1101'
>>> (13).bit_count()
3

to_bytes(length=1, byteorder='big', *, signed=False)

Return an array of bytes representing an integer.

length: Length of bytes object to use. An OverflowError is raised if the integer is not representable with the given number of bytes. Default is length 1.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Determines whether two’s complement is used to represent the integer. If signed is False and a negative integer is given, an OverflowError is raised.

classmethod from_bytes(bytes, byteorder='big', *, signed=False)

Return the integer represented by the given array of bytes.

bytes: Holds the array of bytes to convert. The argument must either support the buffer protocol or be an iterable object producing bytes. Bytes and bytearray are examples of built-in objects that support the buffer protocol.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Indicates whether two’s complement is used to represent the integer.

as_integer_ratio()

Return a pair of integers, whose ratio is equal to the original int.

The ratio is in lowest terms and has a positive denominator.

>>> (10).as_integer_ratio()
(10, 1)
>>> (-10).as_integer_ratio()
(-10, 1)
>>> (0).as_integer_ratio()
(0, 1)

is_integer(): Returns True. Exists for duck type compatibility with float.is_integer.

real: the real part of a complex number

imag: the imaginary part of a complex number

numerator: the numerator of a rational number in lowest terms

denominator: the denominator of a rational number in lowest terms

_numeric_repr_(obj, /)

Return the canonical string representation of the object.

For many object types, including most builtins, eval(repr(obj)) == obj.

classmethod _iter_member_by_value_(value): Extract all members from the value in definition (i.e. increasing value) order.

classmethod _iter_member_(value): Extract all members from the value in definition order.

classmethod _iter_member_by_def_(value): Extract all members from the value in definition order.

classmethod _missing_(value)

Create a composite member containing all canonical members present in value.

If non-member values are present, result depends on _boundary_ setting.

enum vtivrt.constants.VtiVrtInfoClass(value)

Bases: IntEnum

The VRT Information Class

Member Type:: int

Valid values are as follows:

SINGLE_SPAN_INT32 = <VtiVrtInfoClass.SINGLE_SPAN_INT32: 1>

MULTI_SPAN_INT32 = <VtiVrtInfoClass.MULTI_SPAN_INT32: 2>

SINGLE_SPAN_FREQ_INT32 = <VtiVrtInfoClass.SINGLE_SPAN_FREQ_INT32: 3>

MULTI_SPAN_FREQ_INT32 = <VtiVrtInfoClass.MULTI_SPAN_FREQ_INT32: 4>

SINGLE_OCTAVE_INT32 = <VtiVrtInfoClass.SINGLE_OCTAVE_INT32: 5>

THIRD_OCTAVE_INT32 = <VtiVrtInfoClass.THIRD_OCTAVE_INT32: 6>

TIMESTAMP_INT32 = <VtiVrtInfoClass.TIMESTAMP_INT32: 7>

SYSTEM_CONTEXT = <VtiVrtInfoClass.SYSTEM_CONTEXT: 8>

SINGLE_SPAN_FLOAT32 = <VtiVrtInfoClass.SINGLE_SPAN_FLOAT32: 9>

The Enum and its members also have the following methods:

conjugate(): Returns self, the complex conjugate of any int.

bit_length()

Number of bits necessary to represent self in binary.

>>> bin(37)
'0b100101'
>>> (37).bit_length()
6

bit_count()

Number of ones in the binary representation of the absolute value of self.

Also known as the population count.

>>> bin(13)
'0b1101'
>>> (13).bit_count()
3

to_bytes(length=1, byteorder='big', *, signed=False)

Return an array of bytes representing an integer.

length: Length of bytes object to use. An OverflowError is raised if the integer is not representable with the given number of bytes. Default is length 1.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Determines whether two’s complement is used to represent the integer. If signed is False and a negative integer is given, an OverflowError is raised.

classmethod from_bytes(bytes, byteorder='big', *, signed=False)

Return the integer represented by the given array of bytes.

bytes: Holds the array of bytes to convert. The argument must either support the buffer protocol or be an iterable object producing bytes. Bytes and bytearray are examples of built-in objects that support the buffer protocol.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Indicates whether two’s complement is used to represent the integer.

as_integer_ratio()

Return a pair of integers, whose ratio is equal to the original int.

The ratio is in lowest terms and has a positive denominator.

>>> (10).as_integer_ratio()
(10, 1)
>>> (-10).as_integer_ratio()
(-10, 1)
>>> (0).as_integer_ratio()
(0, 1)

is_integer(): Returns True. Exists for duck type compatibility with float.is_integer.

real: the real part of a complex number

imag: the imaginary part of a complex number

numerator: the numerator of a rational number in lowest terms

denominator: the denominator of a rational number in lowest terms

enum vtivrt.constants.VtiVrtPacketClass(value)

Bases: IntEnum

The VRT Packet Class

Member Type:: int

Valid values are as follows:

MEAS_INT32 = <VtiVrtPacketClass.MEAS_INT32: 1>

MEAS_INFO = <VtiVrtPacketClass.MEAS_INFO: 2>

EX_MEAS_INFO = <VtiVrtPacketClass.EX_MEAS_INFO: 3>

FREQ_INT32 = <VtiVrtPacketClass.FREQ_INT32: 4>

REAL_FREQ_INT32 = <VtiVrtPacketClass.REAL_FREQ_INT32: 5>

FREQ_INFO = <VtiVrtPacketClass.FREQ_INFO: 6>

SINGLE_OCTAVE_INT32 = <VtiVrtPacketClass.SINGLE_OCTAVE_INT32: 7>

THIRD_OCTAVE_INT32 = <VtiVrtPacketClass.THIRD_OCTAVE_INT32: 8>

OCTAVE_INFO = <VtiVrtPacketClass.OCTAVE_INFO: 9>

TIMESTAMP_INT32 = <VtiVrtPacketClass.TIMESTAMP_INT32: 10>

TACH_INFO = <VtiVrtPacketClass.TACH_INFO: 11>

MFUNC_INFO = <VtiVrtPacketClass.MFUNC_INFO: 12>

MEAS_FLOAT32 = <VtiVrtPacketClass.MEAS_FLOAT32: 13>

The Enum and its members also have the following methods:

conjugate(): Returns self, the complex conjugate of any int.

bit_length()

Number of bits necessary to represent self in binary.

>>> bin(37)
'0b100101'
>>> (37).bit_length()
6

bit_count()

Number of ones in the binary representation of the absolute value of self.

Also known as the population count.

>>> bin(13)
'0b1101'
>>> (13).bit_count()
3

to_bytes(length=1, byteorder='big', *, signed=False)

Return an array of bytes representing an integer.

length: Length of bytes object to use. An OverflowError is raised if the integer is not representable with the given number of bytes. Default is length 1.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Determines whether two’s complement is used to represent the integer. If signed is False and a negative integer is given, an OverflowError is raised.

classmethod from_bytes(bytes, byteorder='big', *, signed=False)

Return the integer represented by the given array of bytes.

bytes: Holds the array of bytes to convert. The argument must either support the buffer protocol or be an iterable object producing bytes. Bytes and bytearray are examples of built-in objects that support the buffer protocol.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Indicates whether two’s complement is used to represent the integer.

as_integer_ratio()

Return a pair of integers, whose ratio is equal to the original int.

The ratio is in lowest terms and has a positive denominator.

>>> (10).as_integer_ratio()
(10, 1)
>>> (-10).as_integer_ratio()
(-10, 1)
>>> (0).as_integer_ratio()
(0, 1)

is_integer(): Returns True. Exists for duck type compatibility with float.is_integer.

real: the real part of a complex number

imag: the imaginary part of a complex number

numerator: the numerator of a rational number in lowest terms

denominator: the denominator of a rational number in lowest terms

enum vtivrt.constants.VtiVrtWeighting(value)

Bases: IntEnum

The possible values of the Extended Context packet’s Weighting field

Member Type:: int

Valid values are as follows:

NONE = <VtiVrtWeighting.NONE: 0>

A = <VtiVrtWeighting.A: 1>

B = <VtiVrtWeighting.B: 2>

C = <VtiVrtWeighting.C: 3>

The Enum and its members also have the following methods:

conjugate(): Returns self, the complex conjugate of any int.

bit_length()

Number of bits necessary to represent self in binary.

>>> bin(37)
'0b100101'
>>> (37).bit_length()
6

bit_count()

Number of ones in the binary representation of the absolute value of self.

Also known as the population count.

>>> bin(13)
'0b1101'
>>> (13).bit_count()
3

to_bytes(length=1, byteorder='big', *, signed=False)

Return an array of bytes representing an integer.

length: Length of bytes object to use. An OverflowError is raised if the integer is not representable with the given number of bytes. Default is length 1.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Determines whether two’s complement is used to represent the integer. If signed is False and a negative integer is given, an OverflowError is raised.

classmethod from_bytes(bytes, byteorder='big', *, signed=False)

Return the integer represented by the given array of bytes.

bytes: Holds the array of bytes to convert. The argument must either support the buffer protocol or be an iterable object producing bytes. Bytes and bytearray are examples of built-in objects that support the buffer protocol.
byteorder: The byte order used to represent the integer. If byteorder is ‘big’, the most significant byte is at the beginning of the byte array. If byteorder is ‘little’, the most significant byte is at the end of the byte array. To request the native byte order of the host system, use `sys.byteorder’ as the byte order value. Default is to use ‘big’.
signed: Indicates whether two’s complement is used to represent the integer.

as_integer_ratio()

Return a pair of integers, whose ratio is equal to the original int.

The ratio is in lowest terms and has a positive denominator.

>>> (10).as_integer_ratio()
(10, 1)
>>> (-10).as_integer_ratio()
(-10, 1)
>>> (0).as_integer_ratio()
(0, 1)

is_integer(): Returns True. Exists for duck type compatibility with float.is_integer.

real: the real part of a complex number

imag: the imaginary part of a complex number

numerator: the numerator of a rational number in lowest terms

denominator: the denominator of a rational number in lowest terms

vtivrt.constants

Members

Members 