o i͖@slddlmZddlZddlZddlZddlZddlZddlZddlZddl Z ddl Z ddl Z ddl Z ddl mZmZddlmZddlmZmZmZddlmZmZmZddlmZmZmZmZmZmZdd l m!Z!m"Z"m#Z#m$Z$e%j&Z'd Z(d Z)d Z*e +iZ,e%Z-e.ej/ej0Z1Gd ddej2Z3e3j4Z4 Gddde5Z6e4ddddddddddddddfddZ7  ddddZ8 ddd"d#Z9dd(d)Z:Gd*d+d+eZ;d,d-Zd3d4Z?dd5d6Z@d7d8ZAd9d:ZBd;d<ZCd=d>ZDGd?d@d@ZEdAdBZFdCdDZG ddEdFZH        G G  G G G G G   G G      ddHdIZIeIZJ dJdKZKddNdOZLddUdVZMddWdXZNdYdZZOdd\d]ZPd^d_ZQdd`daZRddbdcZSddddeZTdfdgZUdhdiZVdjdkZ0dldmZWddodpZXddtduZYddxdyZZdd{d|Z[dd}d~Z\dddZ]dddZ^dddZ_GdddZ`dde`jaDZbeNeReTe`ebdddebDdddebDdZ`GdddZceReTecZcGdddZdddedjaDZeeReTedeedeedZdGdddZfddefjaDZgeNeReTefegdegdegdZfGddwdwZhdddDZgeNeReTehegdegdegdZhe%fdfddZieIdddGdddZjddZkddZ.dS)) annotationsN)CallableMapping)cached_property)Any NamedTupleTypeVar)_compat_configsetters) PY_3_10_PLUS PY_3_11_PLUS PY_3_13_PLUS_AnnotationExtractor_get_annotationsget_generic_base)DefaultAlreadySetErrorFrozenInstanceErrorNotAnAttrsClassErrorUnannotatedAttributeErrorz__attr_factory_%s)ztyping.ClassVarz t.ClassVarClassVarztyping_extensions.ClassVarZ_attrs_cached_hashc@s(eZdZdZeZddZddZdS)_NothingaF Sentinel to indicate the lack of a value when `None` is ambiguous. If extending attrs, you can use ``typing.Literal[NOTHING]`` to show that a value may be ``NOTHING``. .. versionchanged:: 21.1.0 ``bool(NOTHING)`` is now False. .. versionchanged:: 22.2.0 ``NOTHING`` is now an ``enum.Enum`` variant. cCdS)NNOTHINGselfrrPC:\Users\psant\Downloads\PAF backend\school\venv\Lib\site-packages\attr/_make.py__repr__Kz_Nothing.__repr__cCr)NFrrrrr__bool__Nr z_Nothing.__bool__N) __name__ __module__ __qualname____doc__enumautorrr!rrrrr>s   rc@s"eZdZdZeddfddZdS)_CacheHashWrappera An integer subclass that pickles / copies as None This is used for non-slots classes with ``cache_hash=True``, to avoid serializing a potentially (even likely) invalid hash value. Since `None` is the default value for uncalculated hashes, whenever this is copied, the copy's value for the hash should automatically reset. See GH #613 for more details. NrcCs||fSNr)rZ_none_constructor_argsrrr __reduce__fz_CacheHashWrapper.__reduce__)r"r#r$r%typer+rrrrr(Zs r(TcCs4t|| | d\} }} }|dur|dur|durd}t|| dur9|tur+d}t|t| s5d}t|t| }|dur?i}t| ttfrKt j | } |rXt|ttfrXt |}|ret|ttfret |}t did|d|d |d dd |d |d |d|d|d| d| d|d| d|d| d|S)a; Create a new field / attribute on a class. Identical to `attrs.field`, except it's not keyword-only. Consider using `attrs.field` in new code (``attr.ib`` will *never* go away, though). .. warning:: Does **nothing** unless the class is also decorated with `attr.s` (or similar)! .. versionadded:: 15.2.0 *convert* .. versionadded:: 16.3.0 *metadata* .. versionchanged:: 17.1.0 *validator* can be a ``list`` now. .. versionchanged:: 17.1.0 *hash* is `None` and therefore mirrors *eq* by default. .. versionadded:: 17.3.0 *type* .. deprecated:: 17.4.0 *convert* .. versionadded:: 17.4.0 *converter* as a replacement for the deprecated *convert* to achieve consistency with other noun-based arguments. .. versionadded:: 18.1.0 ``factory=f`` is syntactic sugar for ``default=attr.Factory(f)``. .. versionadded:: 18.2.0 *kw_only* .. versionchanged:: 19.2.0 *convert* keyword argument removed. .. versionchanged:: 19.2.0 *repr* also accepts a custom callable. .. deprecated:: 19.2.0 *cmp* Removal on or after 2021-06-01. .. versionadded:: 19.2.0 *eq* and *order* .. versionadded:: 20.1.0 *on_setattr* .. versionchanged:: 20.3.0 *kw_only* backported to Python 2 .. versionchanged:: 21.1.0 *eq*, *order*, and *cmp* also accept a custom callable .. versionchanged:: 21.1.0 *cmp* undeprecated .. versionadded:: 22.2.0 *alias* .. versionchanged:: 25.4.0 *kw_only* can now be None, and its default is also changed from False to None. TNF6Invalid value for hash. Must be True, False, or None.z=The `default` and `factory` arguments are mutually exclusive.z*The `factory` argument must be a callable.default validatorreprcmphashinit convertermetadatar-kw_onlyeqeq_keyorder order_key on_setattraliasr) _determine_attrib_eq_order TypeErrorr ValueErrorcallableFactory isinstancelisttupler pipeand_ _CountingAttr)r/r0r1r2r3r4r6r-r5factoryr7r8r:r<r=r9r;msgrrrattribjsp:       rKscriptstrglobsdict[str, Any] | NonelocsMapping[str, object] | NonefilenamereturnNonecCst||d}t|||dS)z[ Evaluate the script with the given global (globs) and local (locs) variables. execN)compileeval)rMrOrQrSbytecoderrr_compile_and_evals rZlocalsdict[str, Any]c Cs||durin|}d}|} t|d|d|f}tj||}||kr$q5|ddd|d}|d7}q t|||||S)zP Cache the script with _linecache_, compile it and return the _locals_. Nr T->)len splitlines linecachecache setdefaultrZ) rMrSrOr[rQcount base_filenameZlinecache_tupleZold_valrrr_linecache_and_compiles" rgcls_name attr_names list[str]r-cCsF|d}i}t|D]\}}|fdd}t|||<q t|tf|S)z Create a tuple subclass to hold `Attribute`s for an `attrs` class. The subclass is a bare tuple with properties for names. class MyClassAttributes(tuple): __slots__ = () x = property(itemgetter(0)) Z AttributescSs||Sr)r)rirrrgetterr,z&_make_attr_tuple_class..getterN) enumeratepropertyr-rE)rhriZattr_class_namebodyrk attr_namerlrrr_make_attr_tuple_class s  rqc@s&eZdZUded<ded<ded<dS) _Attributesr-attrslist[Attribute] base_attrsdict[str, type]Zbase_attrs_mapN)r"r#r$__annotations__rrrrrr s  rrcCs2t|}|dr|dr|dd}|tS)z Check whether *annot* is a typing.ClassVar. The string comparison hack is used to avoid evaluating all string annotations which would put attrs-based classes at a performance disadvantage compared to plain old classes. )'"r r]N)rN startswithendswith_CLASSVAR_PREFIXES)Zannotrrr _is_class_var&s  r}cCs ||jvS)zR Check whether *cls* defines *attrib_name* (and doesn't just inherit it). N)__dict__)clsZ attrib_namerrr_has_own_attribute7s r'tuple[list[Attribute], dict[str, type]]cCsg}i}t|jddD]$}t|dgD]}|js|j|vr q|jdd}|||||j<qq g}t}t|D]}|j|vrCq;|d|| |jq;||fS)zQ Collect attr.ibs from base classes of *cls*, except *taken_attr_names*. r r]__attrs_attrs__T inheritedrN) reversed__mro__getattrrnameevolveappendsetinsertadd)rtaken_attr_namesru base_attr_mapbase_clsafilteredseenrrr_collect_base_attrs>s$       rcCsng}i}|jddD]'}t|dgD]}|j|vrq|jdd}||j|||||j<qq ||fS)a- Collect attr.ibs from base classes of *cls*, except *taken_attr_names*. N.B. *taken_attr_names* will be mutated. Adhere to the old incorrect behavior. Notably it collects from the front and considers inherited attributes which leads to the buggy behavior reported in #428. r r]rTrN)rrrrrr)rrrurrrrrr_collect_base_attrs_broken_s       rc s2|jt||durt|}nd|durgddD}g}t}D]$\} } t| r1q(|| | t} | j t urEt | } | | | fq(||} | rft ddt| fddd d ntd d Dd dd }tjtjjfdd|D} |rt|dd| D\}}n t|dd| D\}}tjjurdd| D} dd|D}|| }|durt|||}d}dd |DD]} |dur| jturd| }t||dur| jturd}q|D]} | jst| dt| jqdd|D}t |j!|}t"||||S)a3 Transform all `_CountingAttr`s on a class into `Attribute`s. If *these* is passed, use that and don't look for them on the class. If *collect_by_mro* is True, collect them in the correct MRO order, otherwise use the old -- incorrect -- order. See #428. Return an `_Attributes`. NTcSsh|] \}}|jtur|qSr __class__rH.0rattrrrr s z#_transform_attrs..z1The following `attr.ib`s lack a type annotation: , cs |jSr))getcounter)n)cdrrs z"_transform_attrs..)key.css&|]\}}|jtur||fVqdSr)rrrrr s z#_transform_attrs..cSs |djSNr )r)errrr c s(g|]\}}||u|qSr)r)rrpca)annsfcar7norr sz$_transform_attrs..cSh|]}|jqSrrrrrrrrcSrrrrrrrrrcSg|]}|jddqST)r7rrrrrrcSrrrrrrrrrFcss(|]}|jdur|jdur|VqdS)FN)r4r7rrrrrs&zlNo mandatory attributes allowed after an attribute with a default value or factory. Attribute in question: r=cSsg|]}|jqSrrrrrrrr)#r~rrDitemsrr}rrrrrHrKrrjoinsorted Attributefrom_counting_attr ClassProps KeywordOnlyNOrrFORCErEr/r@r= _OBJ_SETATTR__get___default_init_alias_forrrqr"rr)rthese auto_attribsr7collect_by_mrofield_transformerZca_listZca_namesZ annot_namesrpr-rZ unannotatedZ own_attrsrurrsZ had_defaultrJriZ AttrsClassr)rrrr7rr_transform_attrs{s          rcCsngd}|dur|dn|gd|ddgt|d}|tj|d}td|||d |id d S) N) zdef wrapper(_cls):z __class__ = _clsz def __getattr__(self, item, cached_properties=cached_properties, original_getattr=original_getattr, _cached_setattr_get=_cached_setattr_get):z+ func = cached_properties.get(item)z if func is not None:z! result = func(self)z1 _setter = _cached_setattr_get(self)z# _setter(item, result)z return resultz, return original_getattr(self, item))z try:z2 return super().__getattribute__(item)z except AttributeError:z4 if not hasattr(super(), '__getattr__'):z raisez- return super().__getattr__(item)zY original_error = f"'{self.__class__.__name__}' object has no attribute '{item}'"z- raise AttributeError(original_error)z return __getattr__z__getattr__ = wrapper(_cls)r)cached_properties_cached_setattr_getoriginal_getattr _cls)r[ __getattr__)rextend_generate_unique_filenamerrrgr)rrrlinesZunique_filenameglobrrr_make_cached_property_getattrs.   rcCs(t|tr|dvrt|||dSt)z4 Attached to frozen classes as __setattr__. ) __cause__ __context__ __traceback____suppress_context__ __notes__N)rC BaseException __setattr__rrrvaluerrr_frozen_setattrs'srcCs&t|tr|dvrt||dSt)z4 Attached to frozen classes as __delattr__. )rN)rCr __delattr__r)rrrrr_frozen_delattrs8s rc Osz|\}Wntydt|d}t|dw|j}t|}|D]}|js)q#|j}|j}||vr:t||||<q#|di|S)a Create a new instance, based on the first positional argument with *changes* applied. .. tip:: On Python 3.13 and later, you can also use `copy.replace` instead. Args: inst: Instance of a class with *attrs* attributes. *inst* must be passed as a positional argument. changes: Keyword changes in the new copy. Returns: A copy of inst with *changes* incorporated. Raises: TypeError: If *attr_name* couldn't be found in the class ``__init__``. attrs.exceptions.NotAnAttrsClassError: If *cls* is not an *attrs* class. .. versionadded:: 17.1.0 .. deprecated:: 23.1.0 It is now deprecated to pass the instance using the keyword argument *inst*. It will raise a warning until at least April 2024, after which it will become an error. Always pass the instance as a positional argument. .. versionchanged:: 24.1.0 *inst* can't be passed as a keyword argument anymore. z*evolve() takes 1 positional argument, but z were givenNr) r@r`r?rfieldsr4rr=r) argschangesinstrJrrsrrpZ init_namerrrrCs$%   rc@seZdZdZdZd7d d Zd d Zd8ddZddZddZ ddZ ddZ ddZ ddZ ddZd d!Zd"d#Zd$d%Zd&d'Zd(d)Zd*d+Zd,d-Zd.d/Zd9d2d3Zd9d4d5Zd6S): _ClassBuilderz( Iteratively build *one* class. )_add_method_dunders _attr_names_attrs_base_attr_map _base_names _cache_hashr _cls_dict_delete_attribs_frozen_has_custom_setattr_has_post_init _has_pre_init_is_exc _on_setattr_pre_init_has_args _repr_added_script_snippets_slots _weakref_slot_wrote_own_setattrrr-rboolpropsrhas_custom_setattrcCs&t||||j|j|j\}}}||_|jrt|jni|_||_ dd|D|_ ||_ t dd|D|_ |j|_|j|_|j|_|jtjju|_tt|dd|_d|_|jrh|j} t| } t| j dk|_tt|dd|_!t| |_"|j#|_$|j%|_&||_'d|_(|j |jd <||jd <|jrt)|jd <t*|jd <d |_(nC|j&t+t,j-t,j.fvrd} } |D]} | j/durd } | j0durd } | r| rqq|j&t+kr| s| r|j&t,j-kr| r|j&t,j.kr| sd|_&|j1r|2\|jd<|jd<g|_3d|_4t5|jdrt5|jds |j6|_7dS|j8|_7dS)NcSrrrrrrrrrz)_ClassBuilder.__init__..css|]}|jVqdSr)rrrrrrsz)_ClassBuilder.__init__..__attrs_pre_init__Fr __attrs_post_init__rZ__attrs_props__rrT __getstate__ __setstate__r#r$)9rr7collected_fields_by_mrorr is_slotteddictr~rrrrrErr is_frozenrhas_weakref_slotr hashabilityr HashabilityHASHABLE_CACHEDrrrrrrinspect signaturer` parametersrr is_exceptionron_setattr_hookrrrrr_DEFAULT_ON_SETATTRr validateconvertr0r5added_pickling_make_getstate_setstaterrhasattr_add_method_dunders_safer_add_method_dunders_unsafe)rrrrrrrsruZbase_mapZ pre_init_funcZpre_init_signatureZ has_validatorZ has_converterrrrr__init__s                z_ClassBuilder.__init__cCsd|jjdS)Nz<_ClassBuilder(cls=z)>)rr"rrrrrsz_ClassBuilder.__repr__rTrUcCslddd|jD}i}|jD] \}}}||qt|t|jd|}|jD] \}}}||j|q(dS)z= Evaluate any registered snippets in one go. rcSsg|]}|dqS)rr)rZsnippetrrrrz0_ClassBuilder._eval_snippets..methodsN)rrupdatergrrr)rrMrO_Z snippet_globsrQhookrrr_eval_snippetss  z_ClassBuilder._eval_snippetscCsb||jdur|}t||j_n |}tr t |}t |ddr/d|j vr/| |S)z Finalize class based on the accumulated configuration. Builder cannot be used after calling this method. T__attrs_init_subclass__N)rr_create_slots_classweakrefrefrZ__attrs_base_of_slotted___patch_original_classr abcupdate_abstractmethodsrr~r)rrrrr build_classs   z_ClassBuilder.build_classc Cs|j}|j}|jr5|jD](}||vr4t||ttur4tt t ||Wdq 1s/wYq |j D] \}}t |||q:|j sWt|ddrWd|_|jsWt|_|S)zA Apply accumulated methods and return the class. N__attrs_own_setattr__F)rrrrr _SENTINEL contextlibsuppressAttributeErrordelattrrrsetattrrr!rrr)rr base_namesrrrrrr-s*   z#_ClassBuilder._patch_original_classc sfddjD}ttdrtjjs5d|d<js5jjD]j ddr4t |d<q5q%i}d}jj ddD]j d d d urNd }| fd dtd gDqAtjj}jr}d tjd dvr}d |vr}|s}|d7}dd|D}g}|rtj}|D]!\}} ||f7}||=|| t| j} | tjjur| ||<q| d} | d ur|| t|| j|d<fdd|Dfdd|DfddD| jrtt|d <jj|d<tjjj jj|} t!"| j #|D]L} t$| t%t&fr*t| j'dd }nt$| t(r8t| j)dd }nt| dd }|sCq|D]}z|j*ju}Wn t+yZYqEw|ra| |_*qEq| S)zL Build and return a new class with a `__slots__` attribute. cs2i|]\}}|gtjddRvr||qS)r~ __weakref__)rErrkvrrr Us z5_ClassBuilder._create_slots_class.._clear_type_descriptorsFr!rr r]r)NTci|]}|t|qSrrrr)rrrr-xs  __slots__r)r)cSs"i|] \}}t|tr||jqSr)rCrfunc)rrZ cached_proprrrr-s rcg|]}|vr|qSrrr1)r(rrrrz5_ClassBuilder._create_slots_class..csi|] \}}|vr||qSrr)rZslotZslot_descriptor) slot_namesrrr-s cr4rrr1) reused_slotsrrrrr$ __closure__),rrrsysr.rrr __bases__r~rrrrrrrrrrrrrreturn_annotation Parameteremptyrr_HASH_CACHE_FIELDrEr$r-r" itertoolschainvaluesrC classmethod staticmethod__func__rnfget cell_contentsr@)rrZexisting_slotsZweakref_inheritednamesrZ&additional_closure_functions_to_updateZclass_annotationsrr3 annotationrritemZ closure_cellscellmatchr)rr(r6rr5rrQs                        z!_ClassBuilder._create_slots_classcs8tj|\}}fdd}j|||fd_S)Nc|d|d<dS)Nrrcls_dictrOrrr _attach_reprz,_ClassBuilder.add_repr.._attach_reprT)_make_repr_scriptrrrr)rnsrMrOrOrrradd_reprs  z_ClassBuilder.add_reprcCs.|js d}t|dd}|||jd<|S)Nz3__str__ can only be generated if a __repr__ exists.cSs|Sr)rrrrr__str__r,z&_ClassBuilder.add_str..__str__rU)rr@rr)rrJrUrrradd_strs z_ClassBuilder.add_strcs<tdd|jDfdd}|jfdd}||fS)zF Create custom __setstate__ and __getstate__ methods. css|] }|dkr|VqdS)r)Nr)rZanrrrrs  z8_ClassBuilder._make_getstate_setstate..csfddDS)9 Automatically created by attrs. cr/rr0r1rrrr-rzQ_ClassBuilder._make_getstate_setstate..slots_getstate..Nrr)state_attr_namesrrslots_getstatez=_ClassBuilder._make_getstate_setstate..slots_getstatecsht|}t|trt|D]\}}|||qD] }||vr(||||qr2|tddSdS)rWN)rrrCrEzipr=)rstateZ_ClassBuilder__bound_setattrrrZhash_caching_enabledrXrrslots_setstates   z=_ClassBuilder._make_getstate_setstate..slots_setstateN)rErr)rrYr^rr]rrs z%_ClassBuilder._make_getstate_setstatecCsd|jd<|SN__hash__)rrrrrmake_unhashables z_ClassBuilder.make_unhashablecs@tjjjjd\}}d fdd }j|||fS) Nfrozen cache_hashrNrrQrTrUcrKr_rL)rNrQrrr attach_hash*rPz+_ClassBuilder.add_hash..attach_hash)rNrrQrrTrU)_make_hash_scriptrrrrrr)rrMrOrerrradd_hash"s z_ClassBuilder.add_hashc`tjjjjjjjjj j j dd \}}fdd}j |||fS)NF attrs_initc |d}|_||d<dS)NrrwrrNrOr4rrrr _attach_initAz,_ClassBuilder.add_init.._attach_init_make_init_scriptrrrrrrrrrrrrr)rrMrOrorrnradd_init1" z_ClassBuilder.add_initcCs|dd|jd<|S)Nc[st|fi|Sr)r)rrrrrrLsz+_ClassBuilder.add_replace.. __replace__)rrrrrr add_replaceJs z_ClassBuilder.add_replacecCstdd|jD|jd<dS)Ncss"|] }|jr|js|jVqdSr))r4r7r)rfieldrrrrQs z/_ClassBuilder.add_match_args..__match_args__)rErrrrrradd_match_argsPsz_ClassBuilder.add_match_argscrh)NTricrk)N__attrs_init__rlrmrnrr_attach_attrs_initgrpz8_ClassBuilder.add_attrs_init.._attach_attrs_initrq)rrMrOr{rrnradd_attrs_initWrtz_ClassBuilder.add_attrs_initcs>j}tj\}}fdd}j|||ft|d<S)NcrK)N__eq__rLrMrrr _attach_equrPz(_ClassBuilder.add_eq.._attach_eq__ne__)r_make_eq_scriptrrrr)rrrMrOr~rrradd_eqps  z_ClassBuilder.add_eqcs>j}fddtjjD\|d<|d<|d<|d<S)Nc3s|]}|VqdSr)rL)rmethrrrrs  z*_ClassBuilder.add_order..__lt____le____gt____ge__)r _make_orderrr)rrrrr add_order~s   z_ClassBuilder.add_ordercsi|jD]}|jp |j}|r|tjur||f|j<qs |S|jr)d}t|fdd}d|jd<| ||jd<d|_ |S)Nz7Can't combine custom __setattr__ with on_setattr hooks.csDz|\}}Wn ty|}Ynw||||}t|||dSr))KeyErrorr)rrvalrrZnvalZsa_attrsrrrs  z._ClassBuilder.add_setattr..__setattr__Tr!r) rr<rr NO_OPrrr@rrr)rrr<rJrrrr add_setattrs     z_ClassBuilder.add_setattrmethodrcCs6|jj|_|jjd|j|_d|jjd|_|S)z@ Add __module__ and __qualname__ to a *method*. r$Method generated by attrs for class N)rr#r$r"r%rrrrrrs z(_ClassBuilder._add_method_dunders_unsafecCstt |jj|_Wdn1swYtt|jjd|j|_Wdn1s5wYttd|jjd|_Wd|S1sTwY|S)zL Add __module__ and __qualname__ to a *method* if possible. Nrr)r#r$r%rr#r$r"r%rrrrrs     z&_ClassBuilder._add_method_dunders_safeN)rr-rrrrrr)rTrU)rrrTr)r"r#r$r%r2rrrr rrrSrVrrargrsrvryr|rrrrrrrrrr}s0 e $  ) rcCst|durt|du|dufrd}t||dur||fS|dur"|}|dur(|}|dur6|dur6d}t|||fS) Validate the combination of *cmp*, *eq*, and *order*. Derive the effective values of eq and order. If *eq* is None, set it to *default_eq*. N&Don't mix `cmp` with `eq' and `order`.FT-`order` can only be True if `eq` is True too.anyr@)r2r8r: default_eqrJrrr_determine_attrs_eq_ordersrc Cs|durt|du|dufrd}t|dd}|dur(||\}}||||fS|dur2|d}}n||\}}|durB||}}n||\}}|durV|durVd}t|||||fS)rNrcSs&t|r d|}}||fSd}||fS)z8 Decide whether a key function is used. TN)rA)rrrrrdecide_callable_or_booleans  z>_determine_attrib_eq_order..decide_callable_or_booleanFTrr) r2r8r:rrJrZcmp_keyr9r;rrrr>s"       r>cCsF|dus|dur |S|dur|dur|S|D] }t||r dSq|S)ap Check whether we should implement a set of methods for *cls*. *flag* is the argument passed into @attr.s like 'init', *auto_detect* the same as passed into @attr.s and *dunders* is a tuple of attribute names whose presence signal that the user has implemented it themselves. Return *default* if no reason for either for or against is found. TFN)r)rflag auto_detectZdundersr/Zdunderrrr_determine_whether_to_implement s  rFcsdurddl}|jtdddt|||d\|dur | tttfr,tj fdd}|durM|S||S)a A class decorator that adds :term:`dunder methods` according to the specified attributes using `attr.ib` or the *these* argument. Consider using `attrs.define` / `attrs.frozen` in new code (``attr.s`` will *never* go away, though). Args: repr_ns (str): When using nested classes, there was no way in Python 2 to automatically detect that. 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$r\ r\t|d!s\| %| &S)#NTrz/Can't freeze a class with a custom __setattr__.)r}rFr`r.rrrr added_initr added_reprrTadded_eqadded_ordering)rrrrradded_match_argsr7r added_strr )rr)r/r rzlInvalid value for cache_hash. To use hash caching, hashing must be either explicitly or implicitly enabled.)rrrzFInvalid value for cache_hash. To use hash caching, init must be True.rurxr)'_has_frozen_base_class issubclassrrr@rrr LEAVE_ALONErHASHABLE UNHASHABLEr?rrYESr is_hashablerrrSrrVrrrrrrgrrarrsr|rrvr ryr ) rris_excZhas_own_setattrrJr8rrrZkworZbuilderrrauto_excrdrZeq_r force_kw_onlyrcgetstate_setstater3r4r7 match_argsr<Zorder_r1repr_nsslotsrNr weakref_slotrrwraps     #   zattrs..wrap) warningswarnDeprecationWarningrrCrDrEr rF)Z maybe_clsrrr1r2r3r4rrcrrNrr7rdrr8r:rrrr<rr unsafe_hashrrrrrrrs's$a 6 rscCs |jtuS)zV Check whether *cls* has a frozen ancestor by looking at its __setattr__. N)rr)rrrrr3s rr func_namec Cs$d|d|jdt|d|jdS)zF Create a "filename" suitable for a function being generated. z. r3zdef __hash__(selfzhash((z))z):z, *zC, _cache_wrapper=__import__('attr._make')._make._CacheHashWrapper):z_cache_wrapper()c s|||ddgD]-}|jr4d|jd}|j|<|d|d|jdq|d|jdq|dd S) z Generate the code for actually computing the hash code. Below this will either be returned directly or used to compute a value which is then cached, depending on the value of cache_hash r,r_key(self.z), self. N)rr9rr)prefixindentrcmp_namersZclosing_bracesrOZ hash_funcZ method_linesZ type_hashrrappend_hash_computation_lines`s  z8_make_hash_script..append_hash_computation_lineszif self.z is None:zobject.__setattr__(self, '', rself. = z return self.zreturn r)rEr3rrr=r)rrsrcrdtabZhash_defrrMrrrrfEs>   rfcCs6t||ddd\}}t||t|dd|d|_|S)z% Add a hash method to *cls*. Frbr`rSN)rfrZrr`rrsrMrOrrr _add_hashs   rcCs||}|tur tS| S)z^ Check equality and either forward a NotImplemented or return the result negated. N)r}NotImplemented)rotherresultrrrrs rrDc Csdd|D}gd}i}|r_|d|D]B}|jr.)zdef __eq__(self, other):z- if other.__class__ is not self.__class__:z return NotImplementedz return (rrrrz) == z(other.rrz == other.r]z andz )z return TruerN)rr9rr)rsrrOrrrMrrrrs(       rcsVddDfddfdd}fdd}fd d }fd d }||||fS)z9 Create ordering methods for *cls* with *attrs*. cSrr)r:rrrrrrz_make_order..cs tddfddDDS)z& Save us some typing. css$|] \}}|r ||n|VqdSr)r)rrrrrrrs  z6_make_order..attrs_to_tuple..c3s"|] }t|j|jfVqdSr))rrr;robjrrrs N)rErrsrrattrs_to_tuples  z#_make_order..attrs_to_tuplecs |j|jur||kStSz1 Automatically created by attrs. Nrrrrrrrr 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__Nr)rrsrrrrr)rsrrrs  rcCsB|dur|j}t|\}}t||t|dd|d|_t|_|S)z5 Add equality methods to *cls* with *attrs*. Nr}r)rrrZrr}rrrrr_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)r1rr4rrrrrs z$_make_repr_script..cSs$i|]\}}}|tkr|d|qS)_repr)r1)rrrrrrrr-!s z%_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)rEr r%rr1rr) rsrRZattr_names_with_reprsrOZattribute_fragmentsrrrkaccessorfragmentZ repr_fragmentZcls_name_fragmentrrrrrQsN   rQcCs>|dur|j}t||\}}t||t|dd|d|_|S)z% Add a repr method to *cls*. Nrr)rrQrZrr)rrRrsrMrOrrr _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.)rrCr-r?rrr)rZ generic_baserJrsrrrr]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 rrNrcSsi|]}|j|qSrrrrrrr-rzfields_dict..)rCr-r?rr)rrJrsrrr fields_dicts   rcCsDtjdurdSt|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 Z_run_validatorsrrr0rr)rrr,rrrr s r cCs||}|o d|jvS)z> Check if the attribute name comes from a slot class. r2N)rr~)a_namerrrrr _is_slot_attrs rtuple[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.Trzr)r attr_dictr)r rr@r4r/rrrr<_attrs_to_init_scriptr#r8modulesrr~rr)rrspre_initpre_init_has_args post_initrcrrdrrZcls_on_setattrrjhas_cls_on_setattrrJneeds_cached_setattrZfiltered_attrsrrrMrOrrrrrrsR       rrrp value_varhas_on_setattrcCsd|d|dS)zJ Use the cached object.setattr to set *attr_name* to *value_var*. _setattr('rrNrrprrrrr_setattrrZrr5 ConvertercCsd|d|||dS)zk Use the cached object.setattr to set *attr_name* to *value_var*, but run its converter first. rrrN)_fmt_converter_callrprrr5rrr_setattr_with_convertersrrcCs |rt||dSd|d|S)zo Unless *attr_name* has an on_setattr hook, use normal assignment. Otherwise relegate to _setattr. TrrN)r)rprrrrr_assigns rcCs*|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. TrrN)rrrrrr_assign_with_converter#srrrrvcsJ|dur |dur dttfSdfd d }dfd d }d||fSdttfS)zg Determine the correct setter functions based on whether a class is frozen and/or slotted. TrrprNrrrrTcs&t|r t|||Sd|d|SN _inst_dict['z'] = )rrrrrr fmt_setter@s  z&_determine_setters..fmt_setterr5rcs4|st|rt||||Sd|d|||Sr)rrrrrrrfmt_setter_with_converterHs z5_determine_setters..fmt_setter_with_converter)z_inst_dict = self.__dict__NrprNrrNrrrTrN rprNrrNrrr5rrTrN)rrrr)rcrrrrrrr_determine_setters0s  rrr call_pre_initrcall_post_initdoes_cache_hashrrr 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$_setattr = _cached_setattr_get(self)rTNrrLFrrz attr_dict['z '].defaultz =attr_dict['z=NOTHINGzif z is not NOTHING:rzelse:Tr z#if _config._run_validators is True:Z__attr_validator_Z__attr_z(self, z, self.zself.__attrs_post_init__()rz', None)rz '] = Nonerz = Nonercss"|] }|jrd|jVqdS)rN)r4rrrrrrE s z(_attrs_to_init_script..zBaseException.__init__(self, rz*, cSsg|] }|d|qS)=r)rZ kw_arg_namerrrrO s z)_attrs_to_init_script..css|] }|ddVqdS)r rN)split)rZkwarrrrR szself.__attrs_pre_init__(rz zdef z): passr)rrrr0rr<r rr=rCr/rB takes_selfr5rr4_INIT_FACTORY_PAT_get_global_namerIrr7r-_first_param_typer r=r)$rsrrrrrrrrrrr rZ extra_linesrrrZ pre_init_argsZ kw_only_argsZattrs_to_validateZnames_for_globalsrrrprZarg_nameZ has_factoryZ maybe_selfr5Zinit_factory_nameargZval_nameZinit_hash_cachevalsZpre_init_kw_only_argsNLrrrr_st                                           "  rrcCs |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. rN)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`. )rr/r0r1r8r9r:r;r3r4r6r-r5r7rr<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)NTrr/r0r1r8r9r:r;r3r4r5r6r-r7rr<r=)r>rrtypesMappingProxyTyper_EMPTY_METADATA_SINGLETON)rrr/r0r1r2r3r4rr6r-r5r7r8r9r:r;r<r= bound_setattrrrrr s4                zAttribute.__init__cCstr))rrrrrr r zAttribute.__setattr__rrNrrHr7rcCs|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-r@_default _validatorr1r3r4r6r5r7r8r9r:r;r<r=)rrrr7r-rJrrrr 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 N)copy _setattrsr)rrnewrrrr s zAttribute.evolvectfddjDS)( Play nice with pickle. c3s,|]}|dkr t|ntjVqdS)r6N)rrr6r1rrrr% s  z)Attribute.__getstate__..NrEr2rrrrr! s zAttribute.__getstate__cCs|t|j|dSrN)rr[r2rr\rrrr* szAttribute.__setstate__cCsLt|}|D]\}}|dkr|||q|||r tt|ntqdS)Nr6)rrrrrr)rZname_values_pairsrrrrrrr0 s   zAttribute._setattrs) NNNFNNNNNNr))rrNrrHr7r) r"r#r$r%r2rrrArrrrrrrrrrr s,, 7! rcCs2g|]}t|tddddd|dkddt|d qS)NTFr6 rr/r0r1r2r8r:r3r4rr=rrrr1rrrr@ s rrcCsg|] }|jdkr|qSrrrrrrrT scCs g|] }|jr|jdkr|qSr)r3rrrrrrV s c@sneZdZdZdZgedddDeddddddd dd ddd dd dd RZd Zd d Z ddZ ddZ dS)rHa Intermediate representation of attributes that uses a counter to preserve the order in which the attributes have been defined. *Internal* data structure of the attrs library. Running into is most likely the result of a bug like a forgotten `@attr.s` decorator. )rrr=r5rr8r9r3r4r7r6r<r:r;r1r-ccs:|]}t|t|tdddddddddddddVqdS)NTFrr=r/r0r1r2r3r4r7r8r9r:r;rr<)rrrr1rrrrv s* z_CountingAttr.) rrr1r8r:r3r4r<r=r6NTFr%rcCsttjd7_tj|_||_||_||_||_| |_| |_| |_ ||_ ||_ ||_ ||_ | |_| |_||_||_dSr)rH cls_counterrrrr5r1r8r9r:r;r3r4r6r-r7r<r=)rr/r0r1r2r3r4r5r6r-r7r8r9r:r;r<r=rrrr s" z_CountingAttr.__init__cCs&|jdur ||_|St|j||_|S)z Decorator that adds *meth* to the list of validators. Returns *meth* unchanged. .. versionadded:: 17.1.0 N)rrGrrrrrr0 s z_CountingAttr.validatorcCs |jturtt|dd|_|S)z Decorator that allows to set the default for an attribute. Returns *meth* unchanged. Raises: DefaultAlreadySetError: If default has been set before. .. versionadded:: 17.1.0 T)r N)rrrrBr'rrrr/ s z_CountingAttr.default) r"r#r$r%r2rErrr&rr0r/rrrrrHZ s<1% rHc@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 ZhashableZhashable_cacheZ unhashableZ 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 srrrrrr7rrrrrrrrr r rcCsd||_||_||_||_||_||_||_||_| |_| |_ | |_ | |_ | |_ ||_ ||_||_dSr)r*)rrrrrr7rrrrrrrrr r rrrrrg s  zClassProps.__init__cCs|jtjjup |jtjjuSr))rrrrrrrrrr s zClassProps.is_hashableN) r"r#r$r%r&Enumrrr2rrnrrrrrr sD$rcCs.g|]}t|tddddddddt|d qS)NTFr#r$r1rrrr s c@s.eZdZdZdZd ddZddZdd Zd S) rBa Stores a factory callable. If passed as the default value to `attrs.field`, the factory is used to generate a new value. Args: factory (typing.Callable): A callable that takes either none or exactly one mandatory positional argument depending on *takes_self*. takes_self (bool): Pass the partially initialized instance that is being initialized as a positional argument. .. versionadded:: 17.1.0 *takes_self* rIr FcCs||_||_dSr)r,)rrIr rrrr s zFactory.__init__cr)rc3s|]}t|VqdSr)r0r1rrrr z'Factory.__getstate__..Nr rrrrr szFactory.__getstate__cCs&t|j|D] \}}t|||qdSr!)r[r2r')rr\rrrrrr szFactory.__setstate__N)F)r"r#r$r%r2rrrrrrrrB s   rBcC(g|]}t|tddddddddd qSNTF) rr/r0r1r2r8r:r3r4rrrr1rrrr  c@sLeZdZdZdZdddddZedd d Zdd dZddZ ddZ dS)rae 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__rZ _global_namer5 takes_fieldr Fr r3cs|_|_|_t|}|_js js fdd_n#jr.js.fdd_njs<jr<fdd_nfdd_|}|durS|jjd<dSdS)Ncs |Sr)r5)rr__rrrr rz$Converter.__init__..cs ||Sr)r5)rinstancer6rrrr cs ||Sr)r5)rr6rwrrrr r8cs|||Sr)r5)rr7rwrrrr srT) r5r r3rget_first_param_typerr2get_return_typerw)rr5r r3exrtrrrr s     zConverter.__init__rprNrTcCs d|S)zh Return the name that a converter for an attribute name *attr_name* would have. Z__attr_converter_Nr)rprrrr s zConverter._get_global_namercCs|js|js||d|dS|jr%|jr%||d|d|dS|jr3||d|dS||d|d|dS)z Return a string that calls the converter for an attribute name *attr_name* and the value in variable named *value_var* according to `self.takes_self` and `self.takes_field`. rrz, self, attr_dict['z'])z, self)z , attr_dict['N)r r3r)rrprrrrr" s  zConverter._fmt_converter_callcCs|j|j|jdS)zx Return a dict containing only converter and takes_self -- the rest gets computed when loading. r5r r3Nr=rrrrr3 szConverter.__getstate__cCs|jdi|dS)z+ Load instance from state. Nrrr"rrrr> szConverter.__setstate__N)rprNrTrN)rprNrrNrTrN) r"r#r$r%r2rrBrrrrrrrrr s    cCr.r/r0r1rrrrE r1r=c  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)rKrrrrr- rzmake_class..z(attrs argument must be a dict or a list.rNrrcs |Sr))r)rRrorrr rzmake_class..r r"__main__r2r8r:TrcSs"i|] \}}|jdur||jqSr))r-r*rrrr- s r) unicodedata normalizerCrrDrEr?poprr new_classr#r$r%r@r8 _getframe f_globalsrr#rrrrw) rrsbasesZ class_bodyZattributes_argumentsrNrJrrZ user_inittype_r2rrr?r make_classZ sP 0       rI)rrc@seZdZdZeZddZdS) _AndValidatorz2 Compose many validators to a single one. cCs|jD]}||||qdSr)) _validators)rrrrr,rrrr2 s z_AndValidator.__call__N)r"r#r$r%rKrKr2rrrrrJ s rJcGs6g}|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 N)rrCrJrKrE)Z validatorsrr0rrrrG s  rGcstddD}|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)rCr)rcrrrr r-zpipe..cs,D]}t|tr||||n||}q|Sr)rL)rrrwrM convertersrrpipe_converter szpipe..pipe_convertercsD]}||}q|Sr)r)rrMrNrrrP s A)rrTrrr]rTTr4N) rrrwrrr9rrCrr2r:)rOZreturn_instancerPrQtlastr<rrNrrF s&    rF)NrL) rMrNrOrPrQrRrSrNrTrUr)) rMrNrSrNrOrPr[rRrTr\)rhrNrirjrTr-)rTr)rTrr)T)NNNNNNNFFTFFFFFNNFFNNNTNT)rr-rrNrTrN) rr-rsrtrcrrdrrTr)rr-rsrt)rsrDrTr)rTr)NN)rTrrr)rprNrrNrrrTrN)rcrrrrrv)rsrtrrrrrrrrrrrrrrvrrrrrrr rNrTr)rrNrTrN)l __future__rrr#rr&rr>rbr8rrArcollections.abcrr functoolsrtypingrrrrLr r r r rrrrr exceptionsrrrrobjectrrrr|r=rrr"rFr r r r+rrintr(rKrZrgrqrrr}rrrrrrrrrrr>rrsrrrrfrrrrrrQrrrrrrrrrrrrrrr2Z_arHrZ_casrBZ_frrIrJrGrrrrsF      q  # ! x4 :M,    H % 8  9.  E  /  O     #' d  k