from uuid import uuid4


def get_safe_repr(token: str) -> str:
    """
    Returns 10 chars from signature part of the token string
    or 10 chars from other string.
    """
    if not token:
        return ""

    parts = token.split(".")
    if len(parts) == 3:
        return f"{parts[2][:10]}**"

    return f"{token[:10]}**"


def get_uid_str() -> str:
    """Generates random string using uuid4."""
    return uuid4().hex