Function join_path

ormar/models/excludable.py:839–854

Build a user-facing dunder path string from a pre-split tuple, optionally appending one extra segment. Used only for error messages — the rest of the module keeps paths as tuples. :param parts: pre-split path segments :type parts: PathParts :param tail: optional additional

(parts: PathParts, tail: Optional[str] = None)

def join_path(parts: PathParts, tail: Optional[str] = None) -> str:
    """
    Build a user-facing dunder path string from a pre-split tuple, optionally
    appending one extra segment. Used only for error messages — the rest of
    the module keeps paths as tuples.

    :param parts: pre-split path segments
    :type parts: PathParts
    :param tail: optional additional segment to append
    :type tail: Optional[str]
    :return: dunder-joined path string
    :rtype: str
    """
    if tail is None:
        return "__".join(parts)
    return "__".join(parts + (tail,)) if parts else tail