def json_path(obj: dict, key: str):
	"""Query a nested dict with a dot-separated path"""
	if not type(obj) is dict:
		return None
	if "." not in key:
		if key not in obj:
			return None
		return obj[key]
	child_key = key.split(".")
	if child_key[0] not in obj:
		return None
	return json_path(obj[child_key[0]], ".".join(child_key[1:]))


def combinate(settings: dict, entry: dict) -> bool:  # TODO: better name...
	"""combine all settings {<key>: <expected>} with entry using AND"""
	result = True
	for key, value in settings.items():
		result = result and json_path(entry, key) == value
	return result