On Sun, 2022-12-04 at 21:12 +0100, Jean-Marc Lasgouttes wrote:
> I finally managed to convinced python to like me, and pushed the
> result.
>
> JMarc
Nice, I intended to look into this issue this weekend.
On the other hand I was concerned with encoding a text message in
integer number that in Python is infinite precision:
def encode(message):
val = 0
for c in message:
val = val*64 + ord(c.replace(' ', '_')) - ord('A')
return val
I am replacing the space (code 32) with the underscore (code 95) for
obvious reasons.
In [2]: encode("Hello fellow LyX developers")
Out[2]: 691762051676284770344776816411513612200769899634
def decode(data):
message = []
while data:
c = data % 64
message.append(chr(c+ord('A')))
data //= 64
return "".join(message[::-1]).replace('_', ' ')
In [4]: decode(encode("Hello fellow LyX developers"))
Out[4]: 'Hello fellow LyX developers'
This allows to encode and decode a message into a number.
Best regards,
--
José Abílio
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