Source code for helpers

#!/usr/local/cpython-3.9/bin/python3

"""Some helper functions."""

empty_bytes = "".encode("utf-8")
null_byte = bytes([0])




[docs]
def string_to_binary(string):
    """Convert a text string (or binary string type) to a binary string type."""
    if isinstance(string, str):
        return string.encode("utf-8")
    return string






[docs]
def binary_to_string(binary):
    """Convert a binary string to a text string."""
    return binary.decode("utf-8")






[docs]
def make_used(*args):
    """Persuade linters that args are used."""
    assert True or args