lib

Sundry stuff to make working with data easier.

lib Module

This module provides some basic helper/formatting utilities.

>>> hexdump( bytearray( [0x00] ) )
'0000   0x00                                       .'

>>> 0x00 == HighByte( 0x0F )
True

>>> 0x0F == LowByte( 0x0F )
True

>>> CRC16CCITT.compute( bytearray( [ 2, 6, 6, 3 ] ) )
16845

>>> CRC16CCITT.compute( bytearray( [ 0x02, 0x09, 0x00,
...                                  0x05, 0x0D, 0x02, 0x03 ] ) )
29146

>>> BangInt( bytearray( [  0x71, 0xDA ] ) )
29146

>>> BangInt( bytearray( [ 0x62, 0xC2 ] ) ) == CRC16CCITT.compute( bytearray( [ 2, 0x06, 0x08, 3 ] ) )
True

>>> CRC8.compute( bytearray( [ 0x00, 0xFF, 0x00 ] ) )
177

>>> BangInt( bytearray( [ 0x02, 0X02 ] ) )
514

>>> BangLong( bytearray( [ 0x0, 0X0, 0x02, 0x02 ] ) )
514L

decocare.lib.BangInt(ints)

decocare.lib.BangLong(bytez)

class decocare.lib.CRC16CCITT

classmethod compute(klass, block)

lookup = [0, 4129, 8258, 12387, 16516, 20645, 24774, 28903, 33032, 37161, 41290, 45419, 49548, 53677, 57806, 61935, 4657, 528, 12915, 8786, 21173, 17044, 29431, 25302, 37689, 33560, 45947, 41818, 54205, 50076, 62463, 58334, 9314, 13379, 1056, 5121, 25830, 29895, 17572, 21637, 42346, 46411, 34088, 38153, 58862, 62927, 50604, 54669, 13907, 9842, 5649, 1584, 30423, 26358, 22165, 18100, 46939, 42874, 38681, 34616, 63455, 59390, 55197, 51132, 18628, 22757, 26758, 30887, 2112, 6241, 10242, 14371, 51660, 55789, 59790, 63919, 35144, 39273, 43274, 47403, 23285, 19156, 31415, 27286, 6769, 2640, 14899, 10770, 56317, 52188, 64447, 60318, 39801, 35672, 47931, 43802, 27814, 31879, 19684, 23749, 11298, 15363, 3168, 7233, 60846, 64911, 52716, 56781, 44330, 48395, 36200, 40265, 32407, 28342, 24277, 20212, 15891, 11826, 7761, 3696, 65439, 61374, 57309, 53244, 48923, 44858, 40793, 36728, 37256, 33193, 45514, 41451, 53516, 49453, 61774, 57711, 4224, 161, 12482, 8419, 20484, 16421, 28742, 24679, 33721, 37784, 41979, 46042, 49981, 54044, 58239, 62302, 689, 4752, 8947, 13010, 16949, 21012, 25207, 29270, 46570, 42443, 38312, 34185, 62830, 58703, 54572, 50445, 13538, 9411, 5280, 1153, 29798, 25671, 21540, 17413, 42971, 47098, 34713, 38840, 59231, 63358, 50973, 55100, 9939, 14066, 1681, 5808, 26199, 30326, 17941, 22068, 55628, 51565, 63758, 59695, 39368, 35305, 47498, 43435, 22596, 18533, 30726, 26663, 6336, 2273, 14466, 10403, 52093, 56156, 60223, 64286, 35833, 39896, 43963, 48026, 19061, 23124, 27191, 31254, 2801, 6864, 10931, 14994, 64814, 60687, 56684, 52557, 48554, 44427, 40424, 36297, 31782, 27655, 23652, 19525, 15522, 11395, 7392, 3265, 61215, 65342, 53085, 57212, 44955, 49082, 36825, 40952, 28183, 32310, 20053, 24180, 11923, 16050, 3793, 7920]

class decocare.lib.CRC8

classmethod compute(klass, block)

lookup = [0, 155, 173, 54, 193, 90, 108, 247, 25, 130, 180, 47, 216, 67, 117, 238, 50, 169, 159, 4, 243, 104, 94, 197, 43, 176, 134, 29, 234, 113, 71, 220, 100, 255, 201, 82, 165, 62, 8, 147, 125, 230, 208, 75, 188, 39, 17, 138, 86, 205, 251, 96, 151, 12, 58, 161, 79, 212, 226, 121, 142, 21, 35, 184, 200, 83, 101, 254, 9, 146, 164, 63, 209, 74, 124, 231, 16, 139, 189, 38, 250, 97, 87, 204, 59, 160, 150, 13, 227, 120, 78, 213, 34, 185, 143, 20, 172, 55, 1, 154, 109, 246, 192, 91, 181, 46, 24, 131, 116, 239, 217, 66, 158, 5, 51, 168, 95, 196, 242, 105, 135, 28, 42, 177, 70, 221, 235, 112, 11, 144, 166, 61, 202, 81, 103, 252, 18, 137, 191, 36, 211, 72, 126, 229, 57, 162, 148, 15, 248, 99, 85, 206, 32, 187, 141, 22, 225, 122, 76, 215, 111, 244, 194, 89, 174, 53, 3, 152, 118, 237, 219, 64, 183, 44, 26, 129, 93, 198, 240, 107, 156, 7, 49, 170, 68, 223, 233, 114, 133, 30, 40, 179, 195, 88, 110, 245, 2, 153, 175, 52, 218, 65, 119, 236, 27, 128, 182, 45, 241, 106, 92, 199, 48, 171, 157, 6, 232, 115, 69, 222, 41, 178, 132, 31, 167, 60, 10, 145, 102, 253, 203, 80, 190, 37, 19, 136, 127, 228, 210, 73, 149, 14, 56, 163, 84, 207, 249, 98, 140, 23, 33, 186, 77, 214, 224, 123]

decocare.lib.HighByte(arg)

decocare.lib.LowByte(arg)

class decocare.lib.Timer

Bases: object

millis()

decocare.lib.basal_time(raw)

decocare.lib.decodeDC(msg)

>>> decodeDC(_decode_test_1) == bytearray(_decode_result_1)
True
>>> decodeDC(_decode_test_2) == bytearray(_decode_result_2)
True

decocare.lib.decodeDCByte(B)

decocare.lib.encodeDC(msg)

>>> encodeDC(_enc_test_1) == bytearray(_enc_result_1)
True
>>> encodeDC(_enc_test_2) == bytearray(_enc_result_2)
True

decocare.lib.epochize(dt)

decocare.lib.filter_date_today()

decocare.lib.format_filter_date(date)

>>> format_filter_date(parse.date('2014-04-09'))
[7, 222, 4, 9]

decocare.lib.hexbytes(hexstr)

decocare.lib.hexdump(src, length=8, indent=0)

Return a string representing the bytes in src, length bytes per line.

decocare.lib.int_dump(stream, indent=0)

>>> int_dump(bytearray([0x01, 0x02]))
'   1    2'

decocare.lib.makeByte(highNibble, lowNibble)

0 <= highNibble <= 15 0 <= lowNibble <= 15 0 <= result <= 255

class decocare.lib.parse

static date(data)

>>> parse.date( '2010-11-10T01:46:00' ).isoformat( )
'2010-11-10T01:46:00'

>>> parse.date( '2010-11-10 01:46:00' ).isoformat( )
'2010-11-10T01:46:00'

>>> parse.date( '2010-11-10 01:46PM' ).isoformat( )
'2010-11-10T13:46:00'

>>> parse.date( '2010-11-10 13:46' ).isoformat( )
'2010-11-10T13:46:00'

>>> parse.date( '2010-11-10 1:46AM' ).isoformat( )
'2010-11-10T01:46:00'