STINNER Victor <[email protected]> added the comment:
>>> (65).to_bytes()
b'A'
It seems like your proposal is mostly guided by: convert an int to a byte
(bytes string of length 1). IMO this case is special enough to justify the
usage of a different function.
What if people expect int.to_bytes() always return a single byte, but then get
two bytes by mistake?
ch = 256
byte = ch.to_bytes()
assert len(byte) == 2 # oops
A function dedicated to create a single byte is expected to raise a ValueError
for values outside the range [0; 255]. Like:
>>> struct.pack('B', 255)
b'\xff'
>>> struct.pack('B', 256)
struct.error: ubyte format requires 0 <= number <= 255
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<https://bugs.python.org/issue45155>
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