34d4dab683
The random module's getrandbits() method didn't give a proper error message when calling it with a value that was outside of the range of 1-32, which can lead to confusion using this function (which under CPython can accept numbers larger than 32). Now instead of simply giving a ValueError it gives an error message that states that the number of bits is constrained. Also, since the random module's functions getrandbits() and randint() differ from CPython, tests have been added to describe these differences. For getrandbits the relevant documentation is shown and added to the docs. The same is given for randint method so that the information is more easily found. Finally, since the int object lacks the bit_length() method there is a test for that method also to include within the docs, showing the difference to CPython.
13 lines
404 B
Python
13 lines
404 B
Python
"""
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categories: Modules,random
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description: ``getrandbits`` method can only return a maximum of 32 bits at a time.
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cause: PRNG's internal state is only 32bits so it can only return a maximum of 32 bits of data at a time.
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workaround: If you need a number that has more than 32 bits then utilize the random module from micropython-lib.
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"""
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import random
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x = random.getrandbits(64)
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print("{}".format(x))
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