forked from itec/banana
88 lines
2.6 KiB
Python
Executable file
88 lines
2.6 KiB
Python
Executable file
#!/usr/bin/env python3
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def dec2banana(num, dictstart = None, shiftend = None, minlength = None, dictionary = None):
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#defaults
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if dictstart is None: dictstart = 0
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if shiftend is None: shiftend = 0
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if minlength is None: minlength = 0
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if dictionary is None: dictionary = [list("bcdfglmnprstvz"), list("aeiou")]
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numdict = len(dictionary)
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v = num
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st = ""
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l = 0
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i = (numdict - 1 + dictstart + shiftend) % numdict
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while not (v == 0 and i == (numdict - 1 + dictstart) % numdict and l >= minlength):
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r = v % len(dictionary[i])
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v = int(v / len(dictionary[i]))
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st = dictionary[i][r] + st
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i = (i - 1) % numdict
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l += 1
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return(st)
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def banana2dec(banana, dictstart = None, shiftend = None, dictionary = None):
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#defaults
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if dictstart is None: dictstart = 0
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if shiftend is None: shiftend = 0
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if dictionary is None: dictionary = [list("bcdfglmnprstvz"), list("aeiou")] #, list("123456")
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numdict = len(dictionary)
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if (len(banana) - shiftend) % numdict != 0:
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return("Banana non valida")
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v = 0
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for i in range(len(banana)):
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r = (numdict + i + dictstart) % numdict
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try:
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v = v * len(dictionary[r]) + dictionary[r].index(banana[i])
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except:
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return("Carattere non valido in posizione", i+1)
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return(v)
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def bananarandom(dictstart = None, shiftend = None, minlength = None, dictionary = None):
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import random
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#defaults
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if dictstart is None: dictstart = 0
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if shiftend is None: shiftend = 0
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if minlength is None: minlength = 6
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if dictionary is None: dictionary = [list("bcdfglmnprstvz"), list("aeiou")]
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numdict = len(dictionary)
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st = ""
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l = 0
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i = (numdict - 1 + dictstart + shiftend) % numdict
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while not (i == (numdict - 1 + dictstart) % numdict and l >= minlength):
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r = random.randint(0, len(dictionary[i]) - 1)
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st = dictionary[i][r] + st
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i = (i - 1) % numdict
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l += 1
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return(st)
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def isbanana(banana, dictstart = None, shiftend = None, dictionary = None):
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#defaults
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if dictstart is None: dictstart = 0
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if shiftend is None: shiftend = 0
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if dictionary is None: dictionary = [list("bcdfglmnprstvz"), list("aeiou")] #, list("123456")
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numdict = len(dictionary)
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if (len(banana) - shiftend) % numdict != 0:
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return(False)
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for i in range(len(banana)):
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r = (numdict + i + dictstart) % numdict
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if banana[i] not in dictionary[r]:
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return(False)
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return(True)
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if __name__ == "__main__":
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print("Ciao sono la libreria banana")
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