o ]Lbn@sdZddlmZmZmZddlmZmZmZm Z gdZ eddddGd d d e Z d d Z eddddGd dde ZddZeddddGddde ZddZeddddGddde ZddZdS)z Commonly useful validators. )absolute_importdivisionprint_function)attr attributesand_ _AndValidator)rin_ instance_ofoptionalprovidesFT)reprslotshashc@"eZdZeZddZddZdS)_InstanceOfValidatorcCs4t||jstdj|j|j|j|d||j|dS)P We use a callable class to be able to change the ``__repr__``. z?'{name}' must be {type!r} (got {value!r} that is a {actual!r}).)nametypeactualvalueN) isinstancer TypeErrorformatr __class__selfinstrrrF/usr/lib/python3/dist-packages/mercurial/thirdparty/attr/validators.py__call__s  z_InstanceOfValidator.__call__cCdj|jdS)Nz)r)rrrrrr __repr__$z_InstanceOfValidator.__repr__N)__name__ __module__ __qualname__rrr!r%rrrr rs rcCt|S)a A validator that raises a :exc:`TypeError` if the initializer is called with a wrong type for this particular attribute (checks are perfomed using :func:`isinstance` therefore it's also valid to pass a tuple of types). :param type: The type to check for. :type type: type or tuple of types :raises TypeError: With a human readable error message, the attribute (of type :class:`attr.Attribute`), the expected type, and the value it got. )rr#rrr r + r c@r)_ProvidesValidatorcCs0|j|stdj|j|j|d||j|dS)rz<'{name}' must provide {interface!r} which {value!r} doesn't.)r interfacerN)r- providedByrrrrrrr r!?s  z_ProvidesValidator.__call__cCr")Nz0r-)rr-r$rrr r%Kr&z_ProvidesValidator.__repr__N)r'r(r)rr-r!r%rrrr r,;s r,cCr*)a A validator that raises a :exc:`TypeError` if the initializer is called with an object that does not provide the requested *interface* (checks are performed using ``interface.providedBy(value)`` (see `zope.interface `_). :param zope.interface.Interface interface: The interface to check for. :raises TypeError: With a human readable error message, the attribute (of type :class:`attr.Attribute`), the expected interface, and the value it got. )r,r/rrr r Rr+r c@r)_OptionalValidatorcCs|durdS||||dS)N validatorrrrr r!fsz_OptionalValidator.__call__cCsdjt|jdS)Nz')what)rrr2r$rrr r%ls z_OptionalValidator.__repr__N)r'r(r)rr2r!r%rrrr r0bs r0cCst|tr tt|St|S)a A validator that makes an attribute optional. An optional attribute is one which can be set to ``None`` in addition to satisfying the requirements of the sub-validator. :param validator: A validator (or a list of validators) that is used for non-``None`` values. :type validator: callable or :class:`list` of callables. .. versionadded:: 15.1.0 .. versionchanged:: 17.1.0 *validator* can be a list of validators. )rlistr0r r1rrr r ss r c@r) _InValidatorcCs&||jvrtdj|j|j|ddS)Nz/'{name}' must be in {options!r} (got {value!r}))roptionsr)r6 ValueErrorrrrrrr r!s  z_InValidator.__call__cCr")Nz(r6)rr6r$rrr r%r&z_InValidator.__repr__N)r'r(r)rr6r!r%rrrr r5s r5cCr*)a A validator that raises a :exc:`ValueError` if the initializer is called with a value that does not belong in the options provided. The check is performed using ``value in options``. :param options: Allowed options. :type options: list, tuple, :class:`enum.Enum`, ... :raises ValueError: With a human readable error message, the attribute (of type :class:`attr.Attribute`), the expected options, and the value it got. .. versionadded:: 17.1.0 )r5r8rrr r sr N)__doc__ __future__rrr_makerrrr __all__objectrr r,r r0r r5r rrrr s