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Copy pathGolayDictionary.py
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GolayDictionary.py
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# -*- coding: utf-8 -*-
from random import randint
keyList = []
valueList = []
reverseDict = dict()
golayDict = { "0" : "00000000000" ,
"85" : "00002111202" ,
"170" : "00001222101" ,
"127" : "00020220222" ,
"253" : "00022001121" ,
"52" : "00021112020" ,
"138" : "00010110111" ,
"41" : "00012221010" ,
"86" : "00011002212" ,
"42" : "00201010122" ,
"100" : "00200121021" ,
"44" : "00202202220" ,
"250" : "00221200011" ,
"132" : "00220011210" ,
"161" : "00222122112" ,
"98" : "00211120200" ,
"8" : "00210201102" ,
"34" : "00212012001" ,
"10" : "00102020211" ,
"149" : "00101101110" ,
"87" : "00100212012" ,
"21" : "00122210100" ,
"74" : "00121021002" ,
"36" : "00120102201" ,
"69" : "00112100022" ,
"177" : "00111211221" ,
"20" : "00110022120" ,
"213" : "02012212122" ,
"163" : "02011020021" ,
"229" : "02010101220" ,
"255" : "02002102011" ,
"197" : "02001210210" ,
"133" : "02000021112" ,
"252" : "02022022200" ,
"26" : "02021100102" ,
"173" : "02020211001" ,
"151" : "02210222211" ,
"82" : "02212000110" ,
"75" : "02211111012" ,
"37" : "02200112100" ,
"166" : "02202220002" ,
"191" : "02201001201" ,
"88" : "02220002022" ,
"63" : "02222110221" ,
"68" : "02221221120" ,
"150" : "02111202000" ,
"76" : "02110010202" ,
"4" : "02112121101" ,
"154" : "02101122222" ,
"234" : "02100200121" ,
"22" : "02102011020" ,
"162" : "02121012111" ,
"105" : "02120120010" ,
"102" : "02122201212" ,
"171" : "01021121211" ,
"104" : "01020202110" ,
"169" : "01022010012" ,
"196" : "01011011100" ,
"208" : "01010122002" ,
"84" : "01012200201" ,
"130" : "01001201022" ,
"146" : "01000012221" ,
"72" : "01002120120" ,
"16" : "01222101000" ,
"66" : "01221212202" ,
"24" : "01220020101" ,
"106" : "01212021222" ,
"223" : "01211102121" ,
"58" : "01210210020" ,
"137" : "01202211111" ,
"73" : "01201022010" ,
"101" : "01200100212" ,
"168" : "01120111122" ,
"181" : "01122222021" ,
"175" : "01121000220" ,
"251" : "01110001011" ,
"40" : "01112112210" ,
"140" : "01111220112" ,
"17" : "01100221200" ,
"83" : "01102002102" ,
"254" : "01101110001" ,
"240" : "20121202122" ,
"214" : "20120010021" ,
"53" : "20122121220" ,
"202" : "20111122011" ,
"25" : "20110200210" ,
"18" : "20112011112" ,
"247" : "20101012200" ,
"174" : "20100120102" ,
"112" : "20102201001" ,
"89" : "20022212211" ,
"210" : "20021020110" ,
"217" : "20020101012" ,
"248" : "20012102100" ,
"194" : "20011210002" ,
"182" : "20010021201" ,
"80" : "20002022022" ,
"79" : "20001100221" ,
"195" : "20000211120" ,
"12" : "20220222000" ,
"209" : "20222000202" ,
"165" : "20221111101" ,
"245" : "20210112222" ,
"2" : "20212220121" ,
"81" : "20211001020" ,
"38" : "20200002111" ,
"141" : "20202110010" ,
"211" : "20201221212" ,
"239" : "22100111211" ,
"95" : "22102222110" ,
"43" : "22101000012" ,
"224" : "22120001100" ,
"203" : "22122112002" ,
"145" : "22121220201" ,
"147" : "22110221022" ,
"19" : "22112002221" ,
"50" : "22111110120" ,
"136" : "22001121000" ,
"107" : "22000202202" ,
"134" : "22002010101" ,
"109" : "22021011222" ,
"153" : "22020122121" ,
"148" : "22022200020" ,
"205" : "22011201111" ,
"212" : "22010012010" ,
"54" : "22012120212" ,
"241" : "22202101122" ,
"156" : "22201212021" ,
"115" : "22200020220" ,
"116" : "22222021011" ,
"78" : "22221102210" ,
"67" : "22220210112" ,
"70" : "22212211200" ,
"178" : "22211022102" ,
"159" : "22210100001" ,
"142" : "21112020000" ,
"92" : "21111101202" ,
"48" : "21110212101" ,
"90" : "21102210222" ,
"218" : "21101021121" ,
"126" : "21100102020" ,
"39" : "21122100111" ,
"219" : "21121211010" ,
"167" : "21120022212" ,
"114" : "21010000122" ,
"172" : "21012111021" ,
"14" : "21011222220" ,
"120" : "21000220011" ,
"139" : "21002001210" ,
"160" : "21001112112" ,
"33" : "21020110200" ,
"179" : "21022221102" ,
"117" : "21021002001" ,
"225" : "21211010211" ,
"129" : "21210121110" ,
"183" : "21212202012" ,
"230" : "21201200100" ,
"35" : "21200011002" ,
"93" : "21202122201" ,
"6" : "21221120022" ,
"32" : "21220201221" ,
"56" : "21222012120" ,
"158" : "10212101211" ,
"185" : "10211212110" ,
"47" : "10210020012" ,
"143" : "10202021100" ,
"123" : "10201102002" ,
"204" : "10200210201" ,
"242" : "10222211022" ,
"111" : "10221022221" ,
"103" : "10220100120" ,
"108" : "10110111000" ,
"9" : "10112222202" ,
"65" : "10111000101" ,
"249" : "10100001222" ,
"13" : "10102112121" ,
"180" : "10101220020" ,
"226" : "10120221111" ,
"144" : "10122002010" ,
"15" : "10121110212" ,
"57" : "10011121122" ,
"128" : "10010202021" ,
"135" : "10012010220" ,
"243" : "10001011011" ,
"190" : "10000122210" ,
"207" : "10002200112" ,
"77" : "10021201200" ,
"45" : "10020012102" ,
"91" : "10022120001" ,
"192" : "12221010000" ,
"186" : "12220121202" ,
"216" : "12222202101" ,
"97" : "12211200222" ,
"118" : "12210011121" ,
"246" : "12212122020" ,
"215" : "12201120111" ,
"51" : "12200201010" ,
"206" : "12202012212" ,
"184" : "12122020122" ,
"227" : "12121101021" ,
"233" : "12120212220" ,
"237" : "12112210011" ,
"188" : "12111021210" ,
"113" : "12110102112" ,
"49" : "12102100200" ,
"201" : "12101211102" ,
"155" : "12100022001" ,
"222" : "12020000211" ,
"231" : "12022111110" ,
"5" : "12021222012" ,
"27" : "12010220100" ,
"131" : "12012001002" ,
"164" : "12011112201" ,
"3" : "12000110022" ,
"46" : "12002221221" ,
"119" : "12001002120" ,
"28" : "11200222122" ,
"176" : "11202000021" ,
"23" : "11201111220" ,
"64" : "11220112011" ,
"157" : "11222220210" ,
"187" : "11221001112" ,
"244" : "11210002200" ,
"238" : "11212110102" ,
"96" : "11211221001" ,
"235" : "11101202211" ,
"60" : "11100010110" ,
"1" : "11102121012" ,
"110" : "11121122100" ,
"200" : "11120200002" ,
"221" : "11122011201" ,
"99" : "11111012022" ,
"31" : "11110120221" ,
"198" : "11112201120" ,
"193" : "11002212000" ,
"125" : "11001020202" ,
"124" : "11000101101" ,
"152" : "11022102222" ,
"122" : "11021210121" ,
"71" : "11020021020" ,
"94" : "11012022111" ,
"220" : "11011100010" ,
"29" : "11010211212" ,
"199" : "00000201211" ,
"61" : "00000102122" ,
"11" : "00002012110" ,
"228" : "00002210021" ,
"62" : "00001021220" ,
"55" : "00001120012" ,
"121" : "00020121100" ,
"7" : "00020022011" ,
"30" : "00022100210" ,
"232" : "00022202002" ,
"189" : "00021010201" ,
"59" : "00010212200" ,
"236" : "00010011022"
}
# encodes single byte1
# Input : A single character
def encode(byte1):
global golayDict
return golayDict[str(ord(byte1))]
def encodeDirect(byte1):
global golayDict
return golayDict[str(byte1)]
# encodes string of bytes. Each bytes represented as characters
# String of characters
def encodeSTR(str1):
tritString=[]
for byte1 in str1:
tritString.append(encode(byte1))
return ''.join(tritString)
def decode(tritString):
dec1 = reverseDict.get(tritString,"-1")
if dec1 != "-1":
return int(dec1)
listOfMin = []
minDistance = 15
for i in range(len(valueList)):
hammingDist = hammingDistance(tritString,valueList[i])
if hammingDist < minDistance :
minDistance = hammingDist
listOfMin = []
listOfMin.append(i)
elif hammingDist == minDistance :
listOfMin.append(i)
return int(keyList[listOfMin[randint(0,len(listOfMin)-1)]])
def decodeSTR(str1):
byteString = []
i = 0
while i < len(str1):
byteString.append(decode(str1[i:i+11]))
i = i + 11
return byteString
def hammingDistance(string1,string2):
noOfErrors = 0
for i in range(len(string1)):
if string1[i]!=string2[i]:
noOfErrors = noOfErrors + 1
return noOfErrors
def initDict():
global golayDict,keyList,valueList,reverseDict
keyList = golayDict.keys()
valueList = golayDict.values()
for i in range(0,len(valueList)):
reverseDict[valueList[i]]=keyList[i]