Method read

numpy/lib/tests/test_format.py:401–404

(self, size=None)

#BytesIO that reads a random number of bytes at a time
class BytesIOSRandomSize(BytesIO):
    def read(self, size=None):
        import random
        size = random.randint(1, size)
        return super().read(size)


def roundtrip(arr):