def get_qubes_version()

in launcher/sdw_util/Util.py [0:0]

• 19 lines of code
• 8 McCabe index (conditional complexity)

def get_qubes_version():
    """
    Helper function for checking the Qubes version. Returns None if not on Qubes.
    """
    is_qubes = False
    version = None
    try:
        with open(OS_RELEASE_FILE) as f:
            for line in f:
                try:
                    key, value = line.rstrip().split("=")
                except ValueError:
                    continue

                if key == "NAME" and "qubes" in value.lower():
                    is_qubes = True
                if key == "VERSION":
                    version = value
    except FileNotFoundError:
        return None

    if not is_qubes:
        return None

    return version