def test_int_to_bytes():
assert int_to_bytes(0xFFFF) == [0xFF, 0xFF]
assert int_to_bytes(0x1234) == [0x12, 0x34]
# test that the value cannot exceed two bytes
with pytest.raises(ValueError):
int_to_bytes(0x123456)
assert int_to_bytes(0x0001) == [0x00, 0x01]
def getBytes(self) -> tuple:
rtrnList = super().getBytes()
# Flags and Length Framing Layer:--------------------
rtrnList.extend(make_flagsandlength(self.length - 38))
# Vector Framing Layer:------------------------------
rtrnList.extend(VECTOR_E131_EXTENDED_DISCOVERY)
# source Name Framing Layer:-------------------------
# make a 64 byte long sourceName
tmpSourceName = [0] * 64
for i in range(0, min(len(tmpSourceName), len(self.sourceName))):
tmpSourceName[i] = ord(self.sourceName[i])
rtrnList.extend(tmpSourceName)
# reserved fields:-----------------------------------
rtrnList.extend([0] * 4)
# Universe Discovery Layer:-------------------------------------
# Flags and Length:----------------------------------
rtrnList.extend(make_flagsandlength(self.length - 112))
# Vector UDL:----------------------------------------
rtrnList.extend(VECTOR_UNIVERSE_DISCOVERY_UNIVERSE_LIST)
# page:----------------------------------------------
rtrnList.append(self._page & 0xFF)
# last page:-----------------------------------------
rtrnList.append(self._lastPage & 0xFF)
# universes:-----------------------------------------
for universe in self._universes: # universe is a 16-bit number!
rtrnList.extend(int_to_bytes(universe))
return tuple(rtrnList)
def getBytes(self) -> list:
rtrnList = super().getBytes()
# Flags and Length Framing Layer:--------------------
rtrnList.extend(make_flagsandlength(self.length - 38))
# Vector Framing Layer:------------------------------
rtrnList.extend(VECTOR_E131_EXTENDED_DISCOVERY)
# source Name Framing Layer:-------------------------
# sourceName:---------------------------
# UTF-8 encode the string
tmpSourceName = str(self._sourceName).encode('UTF-8')
rtrnList.extend(tmpSourceName)
# pad to 64 bytes
rtrnList.extend([0] * (64 - len(tmpSourceName)))
# reserved fields:-----------------------------------
rtrnList.extend([0] * 4)
# Universe Discovery Layer:-------------------------------------
# Flags and Length:----------------------------------
rtrnList.extend(make_flagsandlength(self.length - 112))
# Vector UDL:----------------------------------------
rtrnList.extend(VECTOR_UNIVERSE_DISCOVERY_UNIVERSE_LIST)
# page:----------------------------------------------
rtrnList.append(self._page & 0xFF)
# last page:-----------------------------------------
rtrnList.append(self._lastPage & 0xFF)
# universes:-----------------------------------------
for universe in self._universes: # universe is a 16-bit number!
rtrnList.extend(int_to_bytes(universe))
return rtrnList
def getBytes(self) -> tuple:
rtrnList = super().getBytes()
rtrnList.extend(make_flagsandlength(self.length - 38))
rtrnList.extend(VECTOR_E131_EXTENDED_SYNCHRONIZATION)
rtrnList.append(self._sequence)
rtrnList.extend(int_to_bytes(self._syncAddr))
rtrnList.extend((0, 0)) # the empty reserved slots
return rtrnList
def getBytes(self) -> tuple:
rtrnList = super().getBytes()
# Flags and Length Framing Layer:-------
rtrnList.extend(make_flagsandlength(self.length - 38))
# Vector Framing Layer:-----------------
rtrnList.extend(self._vector1)
# sourceName:---------------------------
# make a 64 byte long sourceName
tmpSourceName = [0] * 64
for i in range(0, min(len(tmpSourceName), len(self.sourceName))):
tmpSourceName[i] = ord(self.sourceName[i])
rtrnList.extend(tmpSourceName)
# priority------------------------------
rtrnList.append(self._priority)
# syncAddress---------------------------
rtrnList.extend(int_to_bytes(self._syncAddr))
# sequence------------------------------
rtrnList.append(self._sequence)
# Options Flags:------------------------
tmpOptionsFlags = 0
# stream terminated:
tmpOptionsFlags += int(self.option_StreamTerminated) << 6
# preview data:
tmpOptionsFlags += int(self.option_PreviewData) << 7
# force synchronization
tmpOptionsFlags += int(self.option_ForceSync) << 5
rtrnList.append(tmpOptionsFlags)
# universe:-----------------------------
rtrnList.extend(int_to_bytes(self._universe))
# DMP Layer:---------------------------------------------------
# Flags and Length DMP Layer:-----------
rtrnList.extend(make_flagsandlength(self.length - 115))
# Vector DMP Layer:---------------------
rtrnList.append(self._vector2)
# Some static values (Address & Data Type, First Property addr, ...)
rtrnList.extend([0xa1, 0x00, 0x00, 0x00, 0x01])
# Length of the data:-------------------
lengthDmxData = len(self._dmxData) + 1
rtrnList.extend(int_to_bytes(lengthDmxData))
# DMX data:-----------------------------
rtrnList.append(0x00) # DMX Start Code
rtrnList.extend(self._dmxData)
return tuple(rtrnList)
def getBytes(self) -> tuple:
rtrnList = super().getBytes()
# Flags and Length Framing Layer:-------
rtrnList.extend(make_flagsandlength(self.length - 38))
# Vector Framing Layer:-----------------
rtrnList.extend(VECTOR_E131_DATA_PACKET)
# sourceName:---------------------------
# UTF-8 encode the string
tmpSourceName = str(self._sourceName).encode('UTF-8')
rtrnList.extend(tmpSourceName)
# pad to 64 bytes
rtrnList.extend([0] * (64 - len(tmpSourceName)))
# priority------------------------------
rtrnList.append(self._priority)
# syncAddress---------------------------
rtrnList.extend(int_to_bytes(self._syncAddr))
# sequence------------------------------
rtrnList.append(self._sequence)
# Options Flags:------------------------
tmpOptionsFlags = 0
# stream terminated:
tmpOptionsFlags += int(self.option_StreamTerminated) << 6
# preview data:
tmpOptionsFlags += int(self.option_PreviewData) << 7
# force synchronization
tmpOptionsFlags += int(self.option_ForceSync) << 5
rtrnList.append(tmpOptionsFlags)
# universe:-----------------------------
rtrnList.extend(int_to_bytes(self._universe))
# DMP Layer:---------------------------------------------------
# Flags and Length DMP Layer:-----------
rtrnList.extend(make_flagsandlength(self.length - 115))
# Vector DMP Layer:---------------------
rtrnList.append(VECTOR_DMP_SET_PROPERTY)
# Some static values (Address & Data Type, First Property addr, ...)
rtrnList.extend([0xa1, 0x00, 0x00, 0x00, 0x01])
# Length of the data:-------------------
lengthDmxData = len(self._dmxData) + 1
rtrnList.extend(int_to_bytes(lengthDmxData))
# DMX data:-----------------------------
rtrnList.append(self._dmxStartCode) # DMX Start Code
rtrnList.extend(self._dmxData)
return tuple(rtrnList)
def test_int_byte_transitions():
# test the full 0-65534 range, though only using 0-63999 currently
for input_i in range(65536):
converted_i = byte_tuple_to_int(tuple(int_to_bytes(input_i)))
assert input_i == converted_i