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This argument allows to set a custom name for a more meaningful ``repr`` output. This argument is pointless in Python 3 and is therefore deprecated. .. caution:: Refer to `attrs.define` for the rest of the parameters, but note that they can have different defaults. Notably, leaving *on_setattr* as `None` will **not** add any hooks. .. versionadded:: 16.0.0 *slots* .. versionadded:: 16.1.0 *frozen* .. versionadded:: 16.3.0 *str* .. versionadded:: 16.3.0 Support for ``__attrs_post_init__``. .. versionchanged:: 17.1.0 *hash* supports `None` as value which is also the default now. .. versionadded:: 17.3.0 *auto_attribs* .. versionchanged:: 18.1.0 If *these* is passed, no attributes are deleted from the class body. .. versionchanged:: 18.1.0 If *these* is ordered, the order is retained. .. versionadded:: 18.2.0 *weakref_slot* .. deprecated:: 18.2.0 ``__lt__``, ``__le__``, ``__gt__``, and ``__ge__`` now raise a `DeprecationWarning` if the classes compared are subclasses of each other. ``__eq`` and ``__ne__`` never tried to compared subclasses to each other. .. versionchanged:: 19.2.0 ``__lt__``, ``__le__``, ``__gt__``, and ``__ge__`` now do not consider subclasses comparable anymore. .. versionadded:: 18.2.0 *kw_only* .. versionadded:: 18.2.0 *cache_hash* .. versionadded:: 19.1.0 *auto_exc* .. deprecated:: 19.2.0 *cmp* Removal on or after 2021-06-01. .. versionadded:: 19.2.0 *eq* and *order* .. versionadded:: 20.1.0 *auto_detect* .. versionadded:: 20.1.0 *collect_by_mro* .. versionadded:: 20.1.0 *getstate_setstate* .. versionadded:: 20.1.0 *on_setattr* .. versionadded:: 20.3.0 *field_transformer* .. versionchanged:: 21.1.0 ``init=False`` injects ``__attrs_init__`` .. versionchanged:: 21.1.0 Support for ``__attrs_pre_init__`` .. versionchanged:: 21.1.0 *cmp* undeprecated .. versionadded:: 21.3.0 *match_args* .. versionadded:: 22.2.0 *unsafe_hash* as an alias for *hash* (for :pep:`681` compliance). .. deprecated:: 24.1.0 *repr_ns* .. versionchanged:: 24.1.0 Instances are not compared as tuples of attributes anymore, but using a big ``and`` condition. This is faster and has more correct behavior for uncomparable values like `math.nan`. .. versionadded:: 24.1.0 If a class has an *inherited* classmethod called ``__attrs_init_subclass__``, it is executed after the class is created. .. deprecated:: 24.1.0 *hash* is deprecated in favor of *unsafe_hash*. .. versionchanged:: 25.4.0 *kw_only* now only applies to attributes defined in the current class, and respects attribute-level ``kw_only=False`` settings. .. versionadded:: 25.4.0 *force_kw_only* NrzQThe `repr_ns` argument is deprecated and will be removed in or after August 2025.) stacklevelc spt|}duot|t}ot|d}|r |r d}t|| o)t|d}tj}|r3|j}nI dur@r<|j n|j }n< durH|j}n4 durvdurYt|drY|j}n#|durj|durjrf|j n|j }n|durr|j}n |j }nd}t |tj } rr|jn|j} n|j} td"id|d |d d d t| d dt|dd|d| ot|dd|d d| dddt| dddd} | jsrd}t |t|| |d} | jr| | jr| | jr| | jr| s| | jr| n | j|j ur)| | jr2| n | !r?d}t |t"rLt|d sL| #t$r\ r\t|d!s\| %| &S)#NTrz/Can't freeze a class with a custom __setattr__.)rrFrr0rrrr added_initr* added_reprrwadded_eqadded_ordering)rrrrradded_match_argsr9r added_strr )rr)r1rrzlInvalid value for cache_hash. To use hash caching, hashing must be either explicitly or implicitly enabled.)rr r zFInvalid value for cache_hash. To use hash caching, init must be True.rrr)'_has_frozen_base_class issubclassrrrBrrr LEAVE_ALONErHASHABLE UNHASHABLErArrYESr is_hashablerrrvrryrrrrrrrrrrrrrr rr;) rris_exchas_own_setattrrLr:rrrkwor builderrrauto_excrreq_r force_kw_onlyrgetstate_setstater5r6r9 match_argsr>order_r3repr_nsslotsrPr weakref_slotrrwraps     #   zattrs..wrap) warningswarnDeprecationWarningrrErFrGr rH) maybe_clsrrr3r4r5r6rrrrPrr9rrr:r<rrrr>rr unsafe_hashrrrrrrry's$a 6 rycCs |jtuS)zV Check whether *cls* has a frozen ancestor by looking at its __setattr__. )rr)rrrrr3s rr func_namec Cs$d|d|jdt|d|jdS)zF Create a "filename" suitable for a function being generated. z. r5zdef __hash__(selfzhash((z))z):z, *zC, _cache_wrapper=__import__('attr._make')._make._CacheHashWrapper):z_cache_wrapper()c s|||ddgD]-}|jr4d|jd}|j|<|d|d|jdq|d|jdq|dd S) z Generate the code for actually computing the hash code. Below this will either be returned directly or used to compute a value which is then cached, depending on the value of cache_hash r,r/_key(self.z), self. N)rr;rr)prefixindentrcmp_nameryclosing_bracesrQ hash_func method_lines type_hashrrappend_hash_computation_lines`s  z8_make_hash_script..append_hash_computation_lineszif self.z is None:zobject.__setattr__(self, '', rself. = z return self.zreturn r)rGr5rrr[r)rryrrtabhash_defrrOrrrrEs>   rcCs6t||ddd\}}t||t|dd|d|_|S)z% Add a hash method to *cls*. FrrrU)rr\rrrryrOrQrrr _add_hashs   rcCs||}|tur tS| S)z^ Check equality and either forward a NotImplemented or return the result negated. )rNotImplemented)rotherresultrrrrs rrFc Csdd|D}gd}i}|r_|d|D]B}|jr.)zdef __eq__(self, other):z- if other.__class__ is not self.__class__:z return NotImplementedz return (r/rrrz) == z(other.rrz == other.r_z andz )z return Truer)rr;rr)ryrrQrrrOrrrrs(       rcsVddDfddfdd}fdd}fd d }fd d }||||fS) z9 Create ordering methods for *cls* with *attrs*. cSr r)r<rrrrrr z_make_order..cs tddfddDDS)z& Save us some typing. css$|] \}}|r ||n|VqdSr*r)rrrrrrrs  z6_make_order..attrs_to_tuple..c3s"|] }t|j|jfVqdSr*)rrr=robjrrrs )rGr ryr rattrs_to_tuples  z#_make_order..attrs_to_tuplecs |j|jur||kStSz1 Automatically created by attrs. rrrrrrrr z_make_order..__lt__cs |j|jur||kStSrrrrrrrrz_make_order..__le__cs |j|jur||kStSrrrrrrrrz_make_order..__gt__cs |j|jur||kStSrrrrrrrrz_make_order..__ge__r)rryrrrrr)ryrrrs  rcCsB|dur|j}t|\}}t||t|dd|d|_t|_|S)z5 Add equality methods to *cls* with *attrs*. Nrr)rrr\rrrrrrr_add_eqs   rc Cstdd|D}dd|D}t|d<t|d<t|d<g}|D]'\}}}|r+d|nd |d }|tkr;d ||fnd |||f} || q d |} |durTd} n|d} ddddddddddddd| d| ddd g} d!| |fS)"zC Create the source and globs for a __repr__ and return it. css8|]}|jdur|j|jdurtn|j|jfVqdS)FTN)r3rr6rrrrrs z$_make_repr_script..cSs$i|]\}}}|tkr|d|qS)_repr)r3)rrrr/rrrrH!sz%_make_repr_script..r r@rrzgetattr(self, "z ", NOTHING)z %s={%s!r}z%s={%s_repr(%s)}rNz1{self.__class__.__qualname__.rsplit(">.", 1)[-1]}z.{self.__class__.__name__}zdef __repr__(self):z try:z: already_repring = _compat.repr_context.already_repringz except AttributeError:z! already_repring = {id(self),}z: _compat.repr_context.already_repring = already_repringz else:z# if id(self) in already_repring:z return '...'z else:z# already_repring.add(id(self))z return f'(z)'z finally:z$ already_repring.remove(id(self))r)rGr r@rr3rr) ryruattr_names_with_reprsrQattribute_fragmentsrrrpaccessorfragment repr_fragmentcls_name_fragmentrrrrrtsN   rtcCs>|dur|j}t||\}}t||t|dd|d|_|S)z% Add a repr method to *cls*. Nr r)rrtr\rr )rruryrOrQrrr _add_reprNs  rcCsvt|}|durt|tsd}t|t|dd}|dur9|dur0t|dd}|dur0||_|S|d}t||S)aG Return the tuple of *attrs* attributes for a class. The tuple also allows accessing the fields by their names (see below for examples). Args: cls (type): Class to introspect. Raises: TypeError: If *cls* is not a class. attrs.exceptions.NotAnAttrsClassError: If *cls* is not an *attrs* class. Returns: tuple (with name accessors) of `attrs.Attribute` .. versionchanged:: 16.2.0 Returned tuple allows accessing the fields by name. .. versionchanged:: 23.1.0 Add support for generic classes. NPassed object must be a class.r! is not an attrs-decorated class.)rrEr/rArrr)r generic_baserLryrrrr]s   rcCsJt|ts d}t|t|dd}|dur|d}t|dd|DS)a Return an ordered dictionary of *attrs* attributes for a class, whose keys are the attribute names. Args: cls (type): Class to introspect. Raises: TypeError: If *cls* is not a class. attrs.exceptions.NotAnAttrsClassError: If *cls* is not an *attrs* class. Returns: dict[str, attrs.Attribute]: Dict of attribute name to definition .. versionadded:: 18.1.0 rrNr cSsi|]}|j|qSrrrrrrrHr,zfields_dict..)rEr/rArr)rrLryrrr fields_dicts   r"cCsDtjdurdSt|jD]}|j}|dur|||t||jq dS)z Validate all attributes on *inst* that have a validator. Leaves all exceptions through. Args: inst: Instance of a class with *attrs* attributes. FN)r _run_validatorsrrr2rr)rrrGrrrrs rcCs||}|o d|jvS)z> Check if the attribute name comes from a slot class. rM)rr)a_namerrrrr _is_slot_attrs r%tuple[str, dict, dict]c  Cs| duo| tju} |r| rd} t| |p|}g}i}|D]1}|js(|jtur(q|||||j<|jdurD|durAd} t| d}q| rN|jtjurNd}qt ||||||||| || | r_dnd \}}}|j t j vru| t j |j j| t|d|rtj|d<|||fS)Nz$Frozen classes can't use on_setattr.Trr*)r attr_dictr)r rrBr6r1rrrr>_attrs_to_init_scriptr$rVmodulesr.rrr)rrypre_initpre_init_has_args post_initrrrrrcls_on_setattrrhas_cls_on_setattrrLneeds_cached_setattrfiltered_attrsr'rrOrQrrrrrsR       rrv value_varhas_on_setattrcCsd|d|dS)zJ Use the cached object.setattr to set *attr_name* to *value_var*. _setattr('rrrrvr1r2rrr_setattrr~r5r7 ConvertercCsd|d|||dS)zk Use the cached object.setattr to set *attr_name* to *value_var*, but run its converter first. r3rr)_fmt_converter_callrvr1r2r7rrr_setattr_with_convertersr9rcCs |rt||dSd|d|S)zo Unless *attr_name* has an on_setattr hook, use normal assignment. Otherwise relegate to _setattr. Trr)r5)rvrr2rrr_assigns r:cCs*|r t||d|Sd|d|||S)z Unless *attr_name* has an on_setattr hook, use normal assignment after conversion. Otherwise relegate to _setattr_with_converter. Trr)r9r7r8rrr_assign_with_converter#sr;rrr|csJ|dur |dur dttfSdfd d }dfd d }d||fSdttfS)zg Determine the correct setter functions based on whether a class is frozen and/or slotted. TrrvrPr1r2rrVcs&t|r t|||Sd|d|SN _inst_dict['z'] = )r%r5r4rrr fmt_setter@s  z&_determine_setters..fmt_setterr7r6cs4|st|rt||||Sd|d|||Sr<)r%r9r7r8r>rrfmt_setter_with_converterHs z5_determine_setters..fmt_setter_with_converter)z_inst_dict = self.__dict__NrvrPr1rPr2rrVrP rvrPr1rPr2rr7r6rVrP)r5r9r:r;)rrrr?r@rr>r_determine_setters0s  rCrr call_pre_initr+call_post_initdoes_cache_hashrr/r. method_namec $ Cs|rdgng} | r| dt|||\} }}| | g}g}g}g}i}ddi}|D]}|jr7|||j}|jdupF|jtjuoF| }|j}t |j t }|rX|j j rXdnd}|j durkt |j tskt|j }n|j }|jdur|rt|jf}|dur| |||d|d |||j |||j<n| |||d|d ||j j||<n.|dur| ||d |d |||j |||j<n| ||d |d |n|j tur#|s#|d |d }|jr||n |||||dur| ||||||j |||j<n| ||||n|r|d }|jr5||n ||||| d|dt|jf}|dur| d|||||| d| d|||d|d |||j |||j<n!| d||||| d| d|||d|d ||j j||<n6|jr||n |||||dur| ||||||j |||j<n | |||||jdur|jdur|dur|j||<q,|dur|jr|j||<q,|r9t|d<| d|D]&}d|j}d|j}| d|d|d|jd |j||<|||<q|rA| d|rc|rX|rQdtd} n dtd} ndtd} | | |ryd d!d"|D}!| d#|!d d$|}d$|}|r||rd$ndd%d$|7}d$d&d'd(d"|DD}"||rd$nd7}||"7}|r|rd)|d | d*<d+}#d,| d|d-| r|#| nd.d/||fS)0z Return a script of an initializer for *attrs*, a dict of globals, and annotations for the initializer. The globals are required by the generated script. zself.__attrs_pre_init__()z$_setattr = _cached_setattr_get(self)rVNrrNFrrz attr_dict['z '].defaultz =attr_dict['z=NOTHINGzif z is not NOTHING:rzelse:Tr z#if _config._run_validators is True:__attr_validator___attr_z(self, z, self.zself.__attrs_post_init__()r3z', None)r=z '] = Nonerz = Nonercss"|] }|jrd|jVqdS)rN)r6rrrrrrE s z(_attrs_to_init_script..zBaseException.__init__(self, rz*, cSsg|] }|d|qS)=r)r kw_arg_namerrrrO s z)_attrs_to_init_script..css|] }|ddVqdS)rJrN)split)rkwarrrrR szself.__attrs_pre_init__(rz zdef z): passr)rrCrr2rr>r rr?rEr1rD takes_selfr7r6r6_INIT_FACTORY_PAT_get_global_namerKrr9r/_first_param_typer r[r)$ryrrrDr+rErFrrr/r.rGr extra_linesr?r@r pre_init_args kw_only_argsattrs_to_validatenames_for_globalsrrrvr2arg_name has_factory maybe_selfr7init_factory_nameargval_nameinit_hash_cachevalspre_init_kw_only_argsNLrrrr(_st                                           "  r(rcCs |dS)z The default __init__ parameter name for a field. This performs private-name adjustment via leading-unscore stripping, and is the default value of Attribute.alias if not provided. r/)lstriprrrrrg s rc@sleZdZdZdZ          dddZddZe ddddZddZ ddZ ddZ ddZ dS)ra *Read-only* representation of an attribute. .. warning:: You should never instantiate this class yourself. The class has *all* arguments of `attr.ib` (except for ``factory`` which is only syntactic sugar for ``default=Factory(...)`` plus the following: - ``name`` (`str`): The name of the attribute. - ``alias`` (`str`): The __init__ parameter name of the attribute, after any explicit overrides and default private-attribute-name handling. - ``inherited`` (`bool`): Whether or not that attribute has been inherited from a base class. - ``eq_key`` and ``order_key`` (`typing.Callable` or `None`): The callables that are used for comparing and ordering objects by this attribute, respectively. These are set by passing a callable to `attr.ib`'s ``eq``, ``order``, or ``cmp`` arguments. See also :ref:`comparison customization `. Instances of this class are frequently used for introspection purposes like: - `fields` returns a tuple of them. - Validators get them passed as the first argument. - The :ref:`field transformer ` hook receives a list of them. - The ``alias`` property exposes the __init__ parameter name of the field, with any overrides and default private-attribute handling applied. .. versionadded:: 20.1.0 *inherited* .. versionadded:: 20.1.0 *on_setattr* .. versionchanged:: 20.2.0 *inherited* is not taken into account for equality checks and hashing anymore. .. versionadded:: 21.1.0 *eq_key* and *order_key* .. versionadded:: 22.2.0 *alias* For the full version history of the fields, see `attr.ib`. )rr1r2r3r:r;r<r=r5r6r8r/r7r9rr>r?NFcCst||p| |p|d\} }}}t|}|d||d||d||d||d| |d||d||d ||d ||d ||d | |d | rVtt| nt|d| |d| |d||d||d|dS)NTrr1r2r3r:r;r<r=r5r6r7r8r/r9rr>r?)r@rrtypesMappingProxyTyper_EMPTY_METADATA_SINGLETON)rrr1r2r3r4r5r6rr8r/r7r9r:r;r<r=r>r? bound_setattrrrrr* s4                zAttribute.__init__cCstr*)rrrrrr r!zAttribute.__setattr__rrPrrJr9rcCs|dur|j}n|jdurd|d}t||||j|j|jd|j|jd|j||j|j dur1|n|j |j |j |j |j |j|jS)Nz>Type annotation and type argument cannot both be present for 'z'.F)r/rB_default _validatorr3r5r6r8r7r9r:r;r<r=r>r?)rrrr9r/rLrrrr s2  zAttribute.from_counting_attrcKst|}|||S)a  Copy *self* and apply *changes*. This works similarly to `attrs.evolve` but that function does not work with :class:`attrs.Attribute`. It is mainly meant to be used for `transform-fields`. .. versionadded:: 20.3.0 )copy _setattrsr)rrnewrrrr s zAttribute.evolvectfddjDS)( Play nice with pickle. c3s,|]}|dkr t|ntjVqdS)r8N)rrr8rLrrrr% s  z)Attribute.__getstate__..rGrMrrrrr! s zAttribute.__getstate__cCs|t|j|dSrmN)rjrrMrrrrrr* szAttribute.__setstate__cCsLt|}|D]\}}|dkr|||q|||r tt|ntqdS)Nr8)rrrcrdrre)rname_values_pairsrfrrrrrrj0 s   zAttribute._setattrs) NNNFNNNNNNr*)rrPrrJr9r) r#r$r%r&rMr*rr_rrrrrjrrrrrr s,, 7! rcCs2g|]}t|tddddd|dkddt|d qS)NTFr8 rr1r2r3r4r:r<r5r6rr?rrrrLrrrr@ s rr cCsg|] }|jdkr|qSrrrrrrrT scCs g|] }|jr|jdkr|qSr)r5rrrrrrV s c@sneZdZdZdZgedddDeddddddd dd ddd dd dd RZd Zd d Z ddZ ddZ dS)rJa Intermediate representation of attributes that uses a counter to preserve the order in which the attributes have been defined. *Internal* data structure of the attrs library. Running into is most likely the result of a bug like a forgotten `@attr.s` decorator. )rgrhr?r7rr:r;r5r6r9r8r>r<r=r3r/ccs:|]}t|t|tdddddddddddddVqdS)NTFrr?r1r2r3r4r5r6r9r:r;r<r=rr>)rrrrLrrrrv s* z_CountingAttr.) rrgr3r:r<r5r6r>r?r8NTFrtrcCsttjd7_tj|_||_||_||_||_| |_| |_| |_ ||_ ||_ ||_ ||_ | |_| |_||_||_dSr)rJ cls_counterrrgrhr7r3r:r;r<r=r5r6r8r/r9r>r?)rr1r2r3r4r5r6r7r8r/r9r:r;r<r=r>r?rrrr* s" z_CountingAttr.__init__cCs&|jdur ||_|St|j||_|S)z Decorator that adds *meth* to the list of validators. Returns *meth* unchanged. .. versionadded:: 17.1.0 N)rhrIrrrrrr2 s z_CountingAttr.validatorcCs |jturtt|dd|_|S)z Decorator that allows to set the default for an attribute. Returns *meth* unchanged. Raises: DefaultAlreadySetError: If default has been set before. .. versionadded:: 17.1.0 T)rO)rgrrrDrvrrrr1 s z_CountingAttr.default) r#r$r%r&rMrGrrrur*r2r1rrrrrJZ s<1% rJc@sLeZdZdZGdddejZGdddejZdZddZ e d d Z d S) ra Effective class properties as derived from parameters to `attr.s()` or `define()` decorators. This is the same data structure that *attrs* uses internally to decide how to construct the final class. Warning: This feature is currently **experimental** and is not covered by our strict backwards-compatibility guarantees. Attributes: is_exception (bool): Whether the class is treated as an exception class. is_slotted (bool): Whether the class is `slotted `. has_weakref_slot (bool): Whether the class has a slot for weak references. is_frozen (bool): Whether the class is frozen. kw_only (KeywordOnly): Whether / how the class enforces keyword-only arguments on the ``__init__`` method. collected_fields_by_mro (bool): Whether the class fields were collected by method resolution order. That is, correctly but unlike `dataclasses`. added_init (bool): Whether the class has an *attrs*-generated ``__init__`` method. added_repr (bool): Whether the class has an *attrs*-generated ``__repr__`` method. added_eq (bool): Whether the class has *attrs*-generated equality methods. added_ordering (bool): Whether the class has *attrs*-generated ordering methods. hashability (Hashability): How `hashable ` the class is. added_match_args (bool): Whether the class supports positional `match ` over its fields. added_str (bool): Whether the class has an *attrs*-generated ``__str__`` method. added_pickling (bool): Whether the class has *attrs*-generated ``__getstate__`` and ``__setstate__`` methods for `pickle`. on_setattr_hook (Callable[[Any, Attribute[Any], Any], Any] | None): The class's ``__setattr__`` hook. field_transformer (Callable[[Attribute[Any]], Attribute[Any]] | None): The class's `field transformers `. .. versionadded:: 25.4.0 c@s&eZdZdZdZ dZ dZ dZdS)zClassProps.HashabilityzO The hashability of a class. .. versionadded:: 25.4.0 hashablehashable_cache unhashable leave_aloneN)r#r$r%r&rrrrrrrrr6 src@s eZdZdZdZ dZ dZdS)zClassProps.KeywordOnlyzw How attributes should be treated regarding keyword-only parameters. .. versionadded:: 25.4.0 ryesforceN)r#r$r%r&rrrrrrrrF srrrrrr9rrrrrrrrr rrcCsd||_||_||_||_||_||_||_||_| |_| |_ | |_ | |_ | |_ ||_ ||_||_dSr*r})rrrrrr9rrrrrrrrr rrrrrr*g s  zClassProps.__init__cCs|jtjjup |jtjjuSr*)rrrrrrrrrr s zClassProps.is_hashableN) r#r$r%r&r'EnumrrrMr*rsrrrrrr sD$rcCs.g|]}t|tddddddddt|d qS)NTFrrrsrLrrrr s c@s.eZdZdZdZd ddZddZdd Zd S) rDa Stores a factory callable. If passed as the default value to `attrs.field`, the factory is used to generate a new value. Args: factory (typing.Callable): A callable that takes either none or exactly one mandatory positional argument depending on *takes_self*. takes_self (bool): Pass the partially initialized instance that is being initialized as a positional argument. .. versionadded:: 17.1.0 *takes_self* rKrOFcCs||_||_dSr*r)rrKrOrrrr* s zFactory.__init__crl)rmc3s|]}t|VqdSr*rKrLrrrr z'Factory.__getstate__..rnrrrrr szFactory.__getstate__cCs&t|j|D] \}}t|||qdSro)rrMrB)rrrrrrrr szFactory.__setstate__N)F)r#r$r%r&rMr*rrrrrrrD s   rDcC(g|]}t|tddddddddd qSNTF) rr1r2r3r4r:r<r5r6rrrrLrrrr  c@sLeZdZdZdZdddddZedd d Zdd dZddZ ddZ dS)r6ae Stores a converter callable. Allows for the wrapped converter to take additional arguments. The arguments are passed in the order they are documented. Args: converter (Callable): A callable that converts the passed value. takes_self (bool): Pass the partially initialized instance that is being initialized as a positional argument. (default: `False`) takes_field (bool): Pass the field definition (an :class:`Attribute`) into the converter as a positional argument. (default: `False`) .. versionadded:: 24.1.0 )__call__rR _global_namer7 takes_fieldrOFrOrcs|_|_|_t|}|_js js fdd_n#jr.js.fdd_njs<jr<fdd_nfdd_|}|durS|jjd<dSdS)Ncs |Sr*r7)rr/__rrrr rz$Converter.__init__..cs ||Sr*r)rinstancerrrrr cs ||Sr*r)rrrrrrr rcs|||Sr*r)rrrrrrr srV) r7rOrrget_first_param_typerRrget_return_typer~)rr7rOrexrtrrrr* s     zConverter.__init__rvrPrVcCs d|S)zh Return the name that a converter for an attribute name *attr_name* would have. __attr_converter_r)rvrrrrQ s zConverter._get_global_namer1cCs|js|js||d|dS|jr%|jr%||d|d|dS|jr3||d|dS||d|d|dS)z Return a string that calls the converter for an attribute name *attr_name* and the value in variable named *value_var* according to `self.takes_self` and `self.takes_field`. rrz, self, attr_dict['z'])z, self)z , attr_dict[')rOrrQ)rrvr1rrrr7" s  zConverter._fmt_converter_callcCs|j|j|jdS)zx Return a dict containing only converter and takes_self -- the rest gets computed when loading. r7rOrrrrrrr3 szConverter.__getstate__cCs|jdi|dS)z+ Load instance from state. Nrrrprrrr> szConverter.__setstate__N)rvrPrVrP)rvrPr1rPrVrP) r#r$r%r&rMr*r`rQr7rrrrrrr6 s    cCrrrrLrrrrE rrc  sjtd|}t|tr|}nt|ttfrdd|D}nd}t||dd}|dd}|dd} i|dur@||durH|d<|durP|d<| durX| d<t ||ifd d } t t ttd jd d | _Wdn1swY|dd} t| |d|dd\|d<|d<tdd|i|| } dd|D| _| S)a A quick way to create a new class called *name* with *attrs*. .. note:: ``make_class()`` is a thin wrapper around `attr.s`, not `attrs.define` which means that it doesn't come with some of the improved defaults. For example, if you want the same ``on_setattr`` behavior as in `attrs.define`, you have to pass the hooks yourself: ``make_class(..., on_setattr=setters.pipe(setters.convert, setters.validate)`` .. warning:: It is *your* duty to ensure that the class name and the attribute names are valid identifiers. ``make_class()`` will *not* validate them for you. Args: name (str): The name for the new class. attrs (list | dict): A list of names or a dictionary of mappings of names to `attr.ib`\ s / `attrs.field`\ s. The order is deduced from the order of the names or attributes inside *attrs*. Otherwise the order of the definition of the attributes is used. bases (tuple[type, ...]): Classes that the new class will subclass. class_body (dict): An optional dictionary of class attributes for the new class. attributes_arguments: Passed unmodified to `attr.s`. Returns: type: A new class with *attrs*. .. versionadded:: 17.1.0 *bases* .. versionchanged:: 18.1.0 If *attrs* is ordered, the order is retained. .. versionchanged:: 23.2.0 *class_body* .. versionchanged:: 25.2.0 Class names can now be unicode. NFKCcSsi|]}|tqSr)rMrrrrrH r,zmake_class..z(attrs argument must be a dict or a list.r Nr r*cs |Sr*)r.)rururrr rzmake_class..r r#__main__r4r:r<TrcSs"i|] \}}|jdur||jqSr*)r/rErrrrH sr) unicodedata normalizerErrFrGrApopr.rc new_classr>r?r@rBrV _getframe f_globalsrr$rrrr~) rrybases class_bodyattributes_argumentsrqrLr*r, user_inittype_r4rrrr make_classZ sP 0       r)rrc@seZdZdZeZddZdS) _AndValidatorz2 Compose many validators to a single one. cCs|jD]}||||qdSr*) _validators)rrrrrGrrrr s z_AndValidator.__call__N)r#r$r%r&rMrrrrrrr s rcGs6g}|D]}|t|tr|jn|gqtt|S)a A validator that composes multiple validators into one. When called on a value, it runs all wrapped validators. Args: validators (~collections.abc.Iterable[typing.Callable]): Arbitrary number of validators. .. versionadded:: 17.1.0 )rrErrrG) validatorsr_r2rrrrI s  rIcstddD}|rfdd}nfdd}s(td}|j||dn*td}|r7||jd <d }tsEt|trE|j }t| }|rR||jd <|r[t|d d d S|S)a A converter that composes multiple converters into one. When called on a value, it runs all wrapped converters, returning the *last* value. Type annotations will be inferred from the wrapped converters', if they have any. converters (~collections.abc.Iterable[typing.Callable]): Arbitrary number of converters. .. versionadded:: 20.1.0 css|]}t|tVqdSr*rEr6)rcrrrr rzpipe..cs,D]}t|tr||||n||}q|Sr*r)rrrr convertersrrpipe_converter szpipe..pipe_convertercsD]}||}q|Sr*r)rrrrrr s A)rrVrrr_rVTr) rrr~r.rrrrEr6rr)rreturn_instancerrtlastrrrrrH s&    rH)NrN) rOrPrQrRrSrTrUrPrVrWr*) rOrPrUrPrQrRr]rTrVr^)rlrPrmrnrVr/)rVr)rVrx)T)NNNNNNNFFTFFFFFNNFFNNNTNT)rr/rrPrVrP) rr/ryrzrrrrrVr)rr/ryrz)ryrFrVr)rVr)NN)rVr&rArB)rvrPrrPr2rrVrP)rrrrrr|)ryrzrrrrrDrr+rrErrFrrr|rrr/rr.rrGrPrVr&)rrPrVrP)l __future__rr9r>rir'rr\rdrVrcrr5collections.abcrr functoolsrtypingrrrrNr r r r rrrrr exceptionsrrrrobjectrrrPrr[rdrer=rHrrrr~rrintr)rMr\rkrwrxrrrrrrrrrrrr@rryrrrrrrrrrrtrrr"r%rr5r9r:r;rCr(rrrM_arJr_casrD_fr6rrrIrrrrsF      q  # ! x4 :M,    H % 8  9.  E  /  O     #' d  k