def encode(data, encoding="utf-8"):
"""
Encodes text to emoji
:param data: Original text as bytes array or plaintext
:param encoding: (Optional) encoding if {data} passed as plaintext
:return: bytes array of encoded text
"""
if isinstance(data, str):
data = data.encode(encoding)
out = [240, 159, 0, 0]*len(data)
for i, b in enumerate(data):
out[4*i+2] = (b + 55) // 64 + 143
out[4*i+3] = (b + 55) % 64 + 128
return bytes(out)
def decode(data, encoding="utf-8"):
"""
Decodes emoji to text
:param data: Encoded text in form of emoji as bytes array or plaintext
:param encoding: (Optional) encoding if {data} passed as plaintext
:return: bytes array of decoded text
"""
if isinstance(data, str):
data = data.encode(encoding)
if len(data) % 4 != 0:
raise Exception('Length of string should be divisible by 4')
tmp = 0
out = [None]*(len(data) // 4)
for i, b in enumerate(data):
if i % 4 == 2:
tmp = ((b - 143) * 64) % 256
elif i % 4 == 3:
out[i//4] = (b - 128 + tmp - 55) & 0xff
return bytes(out)
string = "Hello World!"
encoded = encode(string) # Encode the string
print(encoded.decode())
decoded = decode(encoded) # Decode the encoded string
print(decoded.decode())
