from ....common.graft import client
from ...cereal import serializable
from ..core import Proxytype, ProxyTypeError
[docs]@serializable()
class Ellipsis(Proxytype):
"""
Proxy Ellipsis object.
You shouldn't use this directly; Python ellipsis can be used to achieve the same result.
"""
def __init__(self):
self.graft = client.keyref_graft("wf.Ellipsis")
self.params = ()
@classmethod
def _promote(cls, obj):
if isinstance(obj, cls):
return obj
elif isinstance(obj, type(Ellipsis)):
return cls()
else:
raise ProxyTypeError("Cannot promote {!r} to {}".format(obj, cls.__name__))
[docs] def compute(self, *args, **kwargs):
raise TypeError("{} cannot be computed directly.".format(type(self).__name__))
