Source code for hfutils.utils.binary

# Inspired from https://stackoverflow.com/a/7392391/6995899
_TEXT_CHARS = bytearray({7, 8, 9, 10, 12, 13, 27} | set(range(0x20, 0x100)) - {0x7f})


[docs]def is_binary_file(file) -> bool: """ Check if a given file is binary. This function reads the first 1024 bytes of the file and checks if it contains any non-text (binary) characters. :param file: The path to the file to be checked. :type file: str :return: True if the file is binary, False if it is a text file. :rtype: bool """ with open(file, 'rb') as f: prefix = f.read(1024) return bool(prefix.translate(None, _TEXT_CHARS))