text: 
  # gpio levels
  
  OFF = 0
  LOW = 0
  CLEAR = 0
  
  ON = 1
  HIGH = 1
  SET = 1
  
  TIMEOUT = 2
  
  # gpio edges
  
  RISING_EDGE = 0
  FALLING_EDGE = 1
  EITHER_EDGE = 2
  
  # gpio modes
  
  INPUT = 0
  OUTPUT = 1
  ALT0 = 4
  ALT1 = 5
  ALT2 = 6
  ALT3 = 7
  ALT4 = 3
  ALT5 = 2
  
  # gpio Pull Up Down
  
  PUD_OFF = 0
  PUD_DOWN = 1
  PUD_UP = 2
  
  # script run status
  
  PI_SCRIPT_INITING = 0
  PI_SCRIPT_HALTED = 1
  PI_SCRIPT_RUNNING = 2
  PI_SCRIPT_WAITING = 3
  PI_SCRIPT_FAILED = 4
  
  # notification flags
  
  NTFY_FLAGS_EVENT = (1 << 7)
  NTFY_FLAGS_ALIVE = (1 << 6)
  NTFY_FLAGS_WDOG = (1 << 5)
  NTFY_FLAGS_GPIO = 31
  
  # pigpio error numbers
  
  PI_INIT_FAILED = -1
  PI_BAD_USER_GPIO = -2
  PI_BAD_GPIO = -3
  PI_BAD_MODE = -4
  PI_BAD_LEVEL = -5
  PI_BAD_PUD = -6
  PI_BAD_PULSEWIDTH = -7
  PI_BAD_DUTYCYCLE = -8
  PI_BAD_TIMER = -9
  PI_BAD_MS = -10
  PI_BAD_TIMETYPE = -11
  PI_BAD_SECONDS = -12
  PI_BAD_MICROS = -13
  PI_TIMER_FAILED = -14
  PI_BAD_WDOG_TIMEOUT = -15
  PI_NO_ALERT_FUNC = -16
  PI_BAD_CLK_PERIPH = -17
  PI_BAD_CLK_SOURCE = -18
  PI_BAD_CLK_MICROS = -19
  PI_BAD_BUF_MILLIS = -20
  PI_BAD_DUTYRANGE = -21
  PI_BAD_SIGNUM = -22
  PI_BAD_PATHNAME = -23
  PI_NO_HANDLE = -24
  PI_BAD_HANDLE = -25
  PI_BAD_IF_FLAGS = -26
  PI_BAD_CHANNEL = -27
  PI_BAD_PRIM_CHANNEL = -27
  PI_BAD_SOCKET_PORT = -28
  PI_BAD_FIFO_COMMAND = -29
  PI_BAD_SECO_CHANNEL = -30
  PI_NOT_INITIALISED = -31
  PI_INITIALISED = -32
  PI_BAD_WAVE_MODE = -33
  PI_BAD_CFG_INTERNAL = -34
  PI_BAD_WAVE_BAUD = -35
  PI_TOO_MANY_PULSES = -36
  PI_TOO_MANY_CHARS = -37
  PI_NOT_SERIAL_GPIO = -38
  PI_BAD_SERIAL_STRUC = -39
  PI_BAD_SERIAL_BUF = -40
  PI_NOT_PERMITTED = -41
  PI_SOME_PERMITTED = -42
  PI_BAD_WVSC_COMMND = -43
  PI_BAD_WVSM_COMMND = -44
  PI_BAD_WVSP_COMMND = -45
  PI_BAD_PULSELEN = -46
  PI_BAD_SCRIPT = -47
  PI_BAD_SCRIPT_ID = -48
  PI_BAD_SER_OFFSET = -49
  PI_GPIO_IN_USE = -50
  PI_BAD_SERIAL_COUNT = -51
  PI_BAD_PARAM_NUM = -52
  PI_DUP_TAG = -53
  PI_TOO_MANY_TAGS = -54
  PI_BAD_SCRIPT_CMD = -55
  PI_BAD_VAR_NUM = -56
  PI_NO_SCRIPT_ROOM = -57
  PI_NO_MEMORY = -58
  PI_SOCK_READ_FAILED = -59
  PI_SOCK_WRIT_FAILED = -60
  PI_TOO_MANY_PARAM = -61
  PI_NOT_HALTED = -62
  PI_BAD_TAG = -63
  PI_BAD_MICS_DELAY = -64
  PI_BAD_MILS_DELAY = -65
  PI_BAD_WAVE_ID = -66
  PI_TOO_MANY_CBS = -67
  PI_TOO_MANY_OOL = -68
  PI_EMPTY_WAVEFORM = -69
  PI_NO_WAVEFORM_ID = -70
  PI_I2C_OPEN_FAILED = -71
  PI_SER_OPEN_FAILED = -72
  PI_SPI_OPEN_FAILED = -73
  PI_BAD_I2C_BUS = -74
  PI_BAD_I2C_ADDR = -75
  PI_BAD_SPI_CHANNEL = -76
  PI_BAD_FLAGS = -77
  PI_BAD_SPI_SPEED = -78
  PI_BAD_SER_DEVICE = -79
  PI_BAD_SER_SPEED = -80
  PI_BAD_PARAM = -81
  PI_I2C_WRITE_FAILED = -82
  PI_I2C_READ_FAILED = -83
  PI_BAD_SPI_COUNT = -84
  PI_SER_WRITE_FAILED = -85
  PI_SER_READ_FAILED = -86
  PI_SER_READ_NO_DATA = -87
  PI_UNKNOWN_COMMAND = -88
  PI_SPI_XFER_FAILED = -89
  PI_BAD_POINTER = -90
  PI_NO_AUX_SPI = -91
  PI_NOT_PWM_GPIO = -92
  PI_NOT_SERVO_GPIO = -93
  PI_NOT_HCLK_GPIO = -94
  PI_NOT_HPWM_GPIO = -95
  PI_BAD_HPWM_FREQ = -96
  PI_BAD_HPWM_DUTY = -97
  PI_BAD_HCLK_FREQ = -98
  PI_BAD_HCLK_PASS = -99
  PI_HPWM_ILLEGAL = -100
  PI_BAD_DATABITS = -101
  PI_BAD_STOPBITS = -102
  PI_MSG_TOOBIG = -103
  PI_BAD_MALLOC_MODE = -104
  PI_TOO_MANY_SEGS = -105
  PI_BAD_I2C_SEG = -106
  PI_BAD_SMBUS_CMD = -107
  PI_NOT_I2C_GPIO = -108
  PI_BAD_I2C_WLEN = -109
  PI_BAD_I2C_RLEN = -110
  PI_BAD_I2C_CMD = -111
  PI_BAD_I2C_BAUD = -112
  PI_CHAIN_LOOP_CNT = -113
  PI_BAD_CHAIN_LOOP = -114
  PI_CHAIN_COUNTER = -115
  PI_BAD_CHAIN_CMD = -116
  PI_BAD_CHAIN_DELAY = -117
  PI_CHAIN_NESTING = -118
  PI_CHAIN_TOO_BIG = -119
  PI_DEPRECATED = -120
  PI_BAD_SER_INVERT = -121
  