EiVSrSSKrSSKJr SSKJrJrJrJr /SQr Sr \S4Sjr S r g) z Commonly useful converters. N)_AnnotationExtractor)NOTHING ConverterFactorypipe)default_if_noneoptionalrto_boolc~^[T[5(aU4SjnOU4Sjn[T5nUR5nU(a [R UUR S'UR5nU(a [R UUR S'[T[5(a [USSS9$U$)a; A converter that allows an attribute to be optional. An optional attribute is one which can be set to `None`. Type annotations will be inferred from the wrapped converter's, if it has any. Args: converter (typing.Callable): the converter that is used for non-`None` values. .. versionadded:: 17.1.0 c>UcgT"XU5$N)valinstfield converters L/home/mande/repo/quber/.venv/lib/python3.13/site-packages/attr/converters.pyoptional_converter$optional..optional_converter&s{S. .c>UcgT"U5$rr)rrs rrr-s{S> !rrreturnT) takes_self takes_field) isinstancerrget_first_param_typetypingOptional__annotations__get_return_type)rrxtrtrts` rr r s)Y'' / " y )C   "A4:OOA4F**51   B 7=r7J**84)Y''+$OO rc ^T[LaUc Sn[U5eT[LaUb Sn[U5eUb [U5m[T[5(a&TR(a Sn[ U5eU4SjnU$U4SjnU$)a A converter that allows to replace `None` values by *default* or the result of *factory*. Args: default: Value to be used if `None` is passed. Passing an instance of `attrs.Factory` is supported, however the ``takes_self`` option is *not*. factory (typing.Callable): A callable that takes no parameters whose result is used if `None` is passed. Raises: TypeError: If **neither** *default* or *factory* is passed. TypeError: If **both** *default* and *factory* are passed. ValueError: If an instance of `attrs.Factory` is passed with ``takes_self=True``. .. versionadded:: 18.2.0 z(Must pass either `default` or `factory`.z5Must pass either `default` or `factory` but not both.z1`takes_self` is not supported by default_if_none.c.>UbU$TR5$r)factoryrdefaults rdefault_if_none_converter2default_if_none..default_if_none_converterls ??$ $rc>UbU$T$rrr(s rr*r+ts Nr)r TypeErrorrrr ValueError)r)r'msgr*s` rr r Bs4'go8ng'"5En'"'7##   ECS/ ! % %$   %$rc[U[5(aUR5nUS;agUS;agSU<3n[U5e)a Convert "boolean" strings (for example, from environment variables) to real booleans. Values mapping to `True`: - ``True`` - ``"true"`` / ``"t"`` - ``"yes"`` / ``"y"`` - ``"on"`` - ``"1"`` - ``1`` Values mapping to `False`: - ``False`` - ``"false"`` / ``"f"`` - ``"no"`` / ``"n"`` - ``"off"`` - ``"0"`` - ``0`` Raises: ValueError: For any other value. .. versionadded:: 21.3.0 )Ttruer#yesyon1rT)Ffalsefnonoff0rFzCannot convert value to bool: )rstrlowerr.)rr/s rr r }sJ8#siik ;; == *3' 2C S/r) __doc__r_compatr_makerrrr__all__r r r rrrrBs7)44 *Z$T8%v%r