How to use the construct.UBInt8 function in construct
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PIC-IRIS / PH5 / ph5 / core / segd_h.py View on Github 
def extended_header_2():
BIN = construct.Struct("BIN",
construct.BFloat32("drift_window"),
construct.UBInt64("clock_drift_ns"),
# Clock stop method
construct.UBInt8("clock_stop_method"),
# 0 - normal
# 1 - storage full
# 2 - power loss
# 3 - reboot by command
# Frequency drift flag
construct.UBInt8("Frequency_drift"),
# 0 - not in spec
# 1 - in spec
# Oscillator type
construct.UBInt8("oscillator_type"),
# 0 - control board
# 1 - atomic
# 2 - ovenized
# 3 - double ovenized
# 4 - disciplined
# 0 - normal (shots)# (mantissa)
construct.UBInt32("SourceEffortM"),
# Source effort, (exponent)
construct.UBInt16("SourceEffortE"),
# Source measurement units
construct.UBInt16("SourceUnits"),
# -1 -- Other
# 0 -- Unknown
# 1 -- Joule
# 2 -- Kilowatt
# 3 -- Pascal
# 4 -- Bar
# 5 -- Bar-meter
# 6 -- Kilograms
# 7 -- Pounds
construct.UBInt8("EventType"), # Event type:
# 0x00 -- Zeroed or truncated trace
# 0x40 -- BIT data - Raw Trace
# 0x80 -- Seis data - Normal, Raw
# 0x88 -- Seis data - Normal, Stack
# 0x90 -- Seis data - Normal, Correlated
# 0xA0 -- Seis data - Test, Raw
# 0xA8 -- Seis data - Test, Stack
# 0xB0 -- Seis data - Test, Correlated
# Sensor type ID
construct.UBInt8("SensorTypeID"),
# 0x00 -- No sensor defined
# 0x01 -- Geophone - 1 component vertical
# 0x02 -- Marshphone
# 0x03 -- Hydrophone
# 0x04 -- Aux
# 0x05 -- Geophone-3c Horizontal,# 2 - ovenized
# 3 - double ovenized
# 4 - disciplined
# 0 - normal (shots)
construct.UBInt8("collection_method"),
# 1 - continuous (fixed time slice)
# 2 - shot sliced with guard band
# Number of traces
construct.UBInt32("number_records"),
construct.UBInt32("number_files"),
construct.UBInt32("file_number"),
# Decimation flag
construct.UBInt8("decimation_flag"),
# 0 - not decimated
# 1 - decimated
construct.UBInt8("base_scan_interval"),
construct.UBInt16("decimation_filter_coefficients")
)
return BINconstruct.UBInt8("VectSens"),
# 0 = 40nG
# 3 = 160nG
# Absolute horizontal orientation azimuth of
# Vectorseis in
construct.UBInt16("HorAz"),
# 0.0001 radians, measured from due-North
# Absolute vertical orientation angle, in 0.0001
# radians.
construct.UBInt16("VertAngle"),
# A vertically planted sensor will
# have a value of
# 1416 (Pi * 10,000),
# while a horizontally planted sensor will have a
# value of 15708 (Pi/2 * 10,000)
construct.UBInt8("SourceType"), # Source type:
# 0 -- Built-in test
# 1 -- Dynamite
# 2 -- Vibrator
# 3 -- AirGun
# 4 -- WaterGun
# 5 -- WeightDrop
# 6 -- Other
# 7 -- MixedSources
# 8 -- NoSource or Unknown
# 9 -- TestOsc (For GDC this is an
# external test
# oscillator)
# 10 -- Impulsive
construct.UBInt8("SensorType"), # Sensor type:
# 0 -- Unknown
# 1 -- Hydrophonedef filter_info():
FI = construct.Struct("FI",
construct.UBInt8("FilterBlockCount"),
construct.String("FilterID", 1),
construct.UBInt8("FilterDecimation"),
construct.UBInt8("FilterScaler"),
construct.UBInt8("FilterCoefficientCount"),
construct.UBInt8("PacketCoefficientCount"),
construct.UBInt8("CoefficientPacketCount"),
construct.UBInt8("CoefficientFormat"))
return FI# 0x3F -- Unused Channel
construct.UBInt8("AuxChanID"), # Aux Channel ID
# Shot Point Line in hundredths
construct.UBInt32("SPL"),
# Shot Point Station in hundredths
construct.UBInt32("SPS"),
construct.UBInt16("unass01"), # Unassigned
construct.UBInt16("unass02"), # Unassigned
# Sensor Interface Unit Type
construct.UBInt8("SenInt"),
# 18 -- VSM
# 21 -- Vectorseis
# 42 -- Geophone Digitizer Unit
# 49 -- iNova Standard Analog Channel GDC
# Vectorseis sensitivity
construct.UBInt8("VectSens"),
# 0 = 40nG
# 3 = 160nG
# Absolute horizontal orientation azimuth of
# Vectorseis in
construct.UBInt16("HorAz"),
# 0.0001 radians, measured from due-North
# Absolute vertical orientation angle, in 0.0001
# radians.
construct.UBInt16("VertAngle"),
# A vertically planted sensor will
# have a value of
# 1416 (Pi * 10,000),
# while a horizontally planted sensor will have a
# value of 15708 (Pi/2 * 10,000)
construct.UBInt8("SourceType"), # Source type:
# 0 -- Built-in testdef extended_header_3():
swap = True
if sys.byteorder == 'big':
swap = False
BIN = construct.Struct("BIN",
construct.UBInt32("line_number"),
construct.UBInt32("receiver_point"),
construct.UBInt8("point_index"),
construct.UBInt32("first_shot_line"),
construct.UBInt32("first_shot_point"),
construct.UBInt8("first_shot_point_index"),
construct.UBInt32("last_shot_line"),
construct.UBInt32("last_shot_point"),
construct.UBInt8("last_shot_point_index"),
construct.BitField("reserved01", 5, swapped=swap)
)
return BINUBInt32("eid"),
UBInt32("vehicle_id"),
),
40: Struct("entity metadata",
UBInt32("eid"),
entity_metadata,
),
41: Struct("entity effect",
UBInt32("eid"),
UBInt8("effect"),
UBInt8("amount"),
UBInt16("duration"),
),
42: Struct("remove entity effect",
UBInt32("eid"),
UBInt8("effect"),
),
43: Struct("set experience",
BFloat32("current"),
UBInt16("level"),
UBInt16("total"),
),
51: Struct("chunk data",
SBInt32("x"),
SBInt32("z"),
Bool("continuous"),
UBInt16("primary_bitmap"),
UBInt16("add_bitmap"),
SBInt32("size"),
#ByteString("data", size_name="size", encoding="zlib"),
MetaField("data", lambda ctx: ctx["size"]),
),def PrefixedBytes(name, length_field=construct.UBInt8("length")): # noqa
"""
Length-prefixed binary data. This is like a
:py:func:`construct.macros.PascalString` that raises a
:py:class:`constrcut.AdaptationError` when encoding something
other than :py:class:`bytes`.
:param name: The attribute name under which this value will be
accessible.
:type name: :py:class:`str`
:param length_field: (optional) The prefixed length field.
Defaults to :py:func:`construct.macros.UBInt8`.
:type length_field: a :py:class:`construct.core.FormatField`
"""
return construct.LengthValueAdapter(
construct.Sequence(UBInt8("flags"),
Value("is_god", lambda ctx: ctx["flags"] & 1),
Value("is_flying", lambda ctx: ctx["flags"] & 2),
Value("can_fly", lambda ctx: ctx["flags"] & 4),
Value("is_creative", lambda ctx: ctx["flags"] & 8),
UBInt8("walking_speed"),
UBInt8("flying_speed"),
),
203: Struct("tab complete",
AlphaString("text"),
),
204: Struct("locale view distance",
AlphaString("locale"),
UBInt8("view_distance"), # 0 0:far, 1:normal, 2:short, 3:tiny
UBInt8("chat_flags"), # 0 on, no colors
UBInt8("difficulty"), # 0 0-peacefull,easy, normal, 3-hard
Bool("show_cape"),
),
205: Struct("client statuses",
UBInt8("status"),
),
206: Struct("create scoreboard",
AlphaString("name"),
AlphaString("display_text"),
SBInt8("create_remove"),
),
207: Struct("update scoreboard",
AlphaString("item_name"),
SBInt8("update_remove"),
If(lambda context: context["update_remove"] != 1,
Embed(Struct("namevalue",
AlphaString("score_name"),construct
A powerful declarative symmetric parser/builder for binary data
Package Health Score
83 / 100Popular construct functions
- construct.Array
- construct.BFloat32
- construct.BitField
- construct.Bytes
- construct.Const
- construct.Container
- construct.Enum
- construct.Flag
- construct.LFloat32
- construct.SBInt16
- construct.SBInt32
- construct.SLInt16
- construct.SLInt32
- construct.String
- construct.Struct
- construct.UBInt16
- construct.UBInt32
- construct.UBInt8
- construct.ULInt16
- construct.ULInt32