Function signature

celery/canvas.py:2373–2387

Create new signature. - if the first argument is a signature already then it's cloned. - if the first argument is a dict, then a Signature version is returned. Returns: Signature: The resulting signature.

(varies, *args, **kwargs)

def signature(varies, *args, **kwargs):
    """Create new signature.

    - if the first argument is a signature already then it's cloned.
    - if the first argument is a dict, then a Signature version is returned.

    Returns:
        Signature: The resulting signature.
    """
    app = kwargs.get('app')
    if isinstance(varies, dict):
        if isinstance(varies, abstract.CallableSignature):
            return varies.clone()
        return Signature.from_dict(varies, app=app)
    return Signature(varies, *args, **kwargs)


subtask = signature  # XXX compat