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39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
from ..utils.subclass_with_meta import SubclassWithMeta
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from ..utils.trim_docstring import trim_docstring
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class BaseOptions(object):
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name = None # type: str
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description = None # type: str
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_frozen = False # type: bool
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def __init__(self, class_type):
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self.class_type = class_type # type: Type
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def freeze(self):
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self._frozen = True
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def __setattr__(self, name, value):
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if not self._frozen:
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super(BaseOptions, self).__setattr__(name, value)
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else:
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raise Exception("Can't modify frozen Options {0}".format(self))
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def __repr__(self):
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return "<{} type={}>".format(self.__class__.__name__, self.class_type.__name__)
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class BaseType(SubclassWithMeta):
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@classmethod
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def __init_subclass_with_meta__(cls, name=None, description=None, _meta=None):
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assert "_meta" not in cls.__dict__, "Can't assign directly meta"
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if not _meta:
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return
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_meta.name = name or cls.__name__
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_meta.description = description or trim_docstring(cls.__doc__)
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_meta.freeze()
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cls._meta = _meta
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super(BaseType, cls).__init_subclass_with_meta__()
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