in src/wagtail_localize_smartling/utils.py [0:0]
def get_filename_for_visual_context(url: str, max_length: int = 256) -> str:
"""
Turn the given url into a long sluglike HTML filename, based
on the hostname and the path
"""
if not url:
return url
_parsed = urlparse(url)
_hostname = _parsed.hostname or ""
_path = _parsed.path or ""
head = "-".join(_hostname.split(".")).rstrip("-").lower()
tail = "-".join(_path.split("/")).rstrip("-").lower()
body = f"{head}{tail}"[: max_length - 5]
return f"{body}.html"