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Z$d/d0 Z%d1d2 Z&d3d4 Z'd5d6 Z(d7d8 Z)d9d: Z*d;d< Z+d=d> Z,d?d@ Z-dAdB Z.dCdD Z/dEdF Z0dGdH Z1dIdJ Z2dKdL Z3dddde1de2de2e3e2e3e2e3e2e3dMZ4dNdO Z5ddd#d#d#dPdPdPdQdRdZ6dSd Z7dTdU Z8dVd Z9e:dWdXd Z;dYdZ Z<e=d[d\d Z>d]d^ Z?d_dd#d#d#dPdPdPd`dad Z@dbd ZAdceA_BdS )e N dataclassfieldFieldFrozenInstanceErrorInitVarMISSINGfieldsasdictastuplemake_dataclassreplace is_dataclassc @ s e Zd ZdS )r N__name__ __module__ __qualname__ r r #/usr/lib64/python3.8/dataclasses.pyr s c @ s e Zd Zdd ZdS )_HAS_DEFAULT_FACTORY_CLASSc C s dS )Nz <factory>r selfr r r __repr__ s z#_HAS_DEFAULT_FACTORY_CLASS.__repr__N)r r r r r r r r r s r c @ s e Zd ZdS ) _MISSING_TYPENr r r r r r s r c @ s e Zd Zdd Zdd ZdS ) _FIELD_BASEc C s || _ d S Nnamer r r r r __init__ s z_FIELD_BASE.__init__c C s | j S r r r r r r r s z_FIELD_BASE.__repr__N)r r r r r r r r r r s r _FIELD_FIELD_CLASSVAR_FIELD_INITVARZ__dataclass_fields__Z__dataclass_params__Z __post_init__z^(?:\s*(\w+)\s*\.)?\s*(\w+)c @ s e Zd Zdd ZdS ) _InitVarMetac C s t |S r )r )r Zparamsr r r __getitem__ s z_InitVarMeta.__getitem__N)r r r r# r r r r r" s r" c @ s e Zd ZdZdd Zdd ZdS )r typec C s || _ d S r r$ )r r% r r r r s zInitVar.__init__c C s, t | jtr| jj}n t| j}d| dS )Nzdataclasses.InitVar[]) isinstancer% r repr)r Z type_namer r r r s zInitVar.__repr__Nr r r __slots__r r r r r r r s ) metaclassc @ s( e Zd ZdZdd Zdd Zdd ZdS ) r ) r r% defaultdefault_factoryr( hashinitcomparemetadata _field_typec C sR d | _ d | _|| _|| _|| _|| _|| _|| _|d kr<tnt || _ d | _ d S r ) r r% r, r- r/ r( r. r0 _EMPTY_METADATAtypesMappingProxyTyper1 r2 )r r, r- r/ r( r. r0 r1 r r r r s zField.__init__c C sV d| j d| jd| jd| jd| jd| jd| jd| jd | jd | j d S ) Nz Field(name=z,type=z ,default=z,default_factory=z,init=,repr=z,hash=z ,compare=z ,metadata=z ,_field_type=)) r r% r, r- r/ r( r. r0 r1 r2 r r r r r s zField.__repr__c C s( t t| jdd }|r$|| j|| d S )N __set_name__)getattrr% r, )r ownerr funcr r r r8 s zField.__set_name__N)r r r r* r r r8 r r r r r s c @ s e Zd ZdZdd Zdd ZdS )_DataclassParamsr/ r( eqorder unsafe_hashfrozenc C s( || _ || _|| _|| _|| _|| _d S r r= )r r/ r( r> r? r@ rA r r r r * s z_DataclassParams.__init__c C s6 d| j d| jd| jd| jd| jd| jd S )Nz_DataclassParams(init=r6 z,eq=z,order=z ,unsafe_hash=z,frozen=r7 r= r r r r r 2 s z_DataclassParams.__repr__Nr) r r r r r< ! s r< Tr, r- r/ r( r. r0 r1 c C s, | t k r|t k rtdt| ||||||S )a Return an object to identify dataclass fields. default is the default value of the field. default_factory is a 0-argument function called to initialize a field's value. If init is True, the field will be a parameter to the class's __init__() function. If repr is True, the field will be included in the object's repr(). If hash is True, the field will be included in the object's hash(). If compare is True, the field will be used in comparison functions. metadata, if specified, must be a mapping which is stored but not otherwise examined by dataclass. It is an error to specify both default and default_factory. z/cannot specify both default and default_factory)r ValueErrorr rB r r r r @ s c s( |sdS dd fdd|D dS )N()(,c s g | ]} d |j qS ).r .0fobj_namer r <listcomp>_ s z _tuple_str.<locals>.<listcomp>,))join)rL r r rK r _tuple_strV s rP c s" t t fdd}|S )Nc sD t | t f}| kr dS | z | }W 5 | X |S )Nz...)id_thread get_identadddiscard)r keyresult repr_running user_functionr r wrapperi s z _recursive_repr.<locals>.wrapper)set functoolswraps)rZ r[ r rX r _recursive_reprd s r_ )globalslocals return_typec C s |d kr i }d|kr t |d< d}|tk r4||d< d}d|}ddd |D }d | d | d | d | }d | }d| d| d| }i } t||| | d f |S )NZBUILTINS Z _return_typez->_return_typerF c s s | ]}d | V qdS )z Nr )rI br r r <genexpr> s z _create_fn.<locals>.<genexpr>z def rE r7 z: , zdef __create_fn__(z): z return Z __create_fn__)builtinsr rO keysexec) r argsZbodyr` ra rb Zreturn_annotationZtxtZ local_varsnsr r r _create_fnw s rm c C s0 | r d| d|d| dS | d| d| S )Nz BUILTINS.object.__setattr__(rF r7 rG =r )rA r value self_namer r r _field_assign s rq c C s d| j }| jtk rV| jr@| j||< | d| j d| j }q| j||< | d}n8| jr| jtkrn| j }q| jtk r| j||< | j }nd S | jtkrd S t|| j ||S )NZ_dflt_z() if z is _HAS_DEFAULT_FACTORY else rD )r r- r r/ r, r2 r! rq )rJ rA r` rp Z default_namero r r r _field_init s" rr c C sV | j tkr| jtkrd}n&| j tk r2d| j }n| jtk r@d}| j d| j | S )Nrc z=_dflt_z=_HAS_DEFAULT_FACTORYz:_type_)r, r r- r )rJ r, r r r _init_param s rs c C s d}| D ]:}|j r|jtkr&|jtks,d}q|rtd|jdqdd | D }|ttd g }| D ] }t||||} | rj| | qj|rd d d | D } | | d t d | d |sdg}t d|gdd | D |||d dS )NFTznon-default argument z follows default argumentc S s i | ]}d |j |jqS )Z_type_)r r% rH r r r <dictcomp> s z _init_fn.<locals>.<dictcomp>)r _HAS_DEFAULT_FACTORYrF c s s | ]}|j tkr|jV qd S r )r2 r! r rH r r r rf s z_init_fn.<locals>.<genexpr>rG rE r7 passr c S s g | ]}|j rt|qS r )r/ rs rH r r r rM s z _init_fn.<locals>.<listcomp>)ra r` rb ) r/ r, r r- TypeErrorr updateru rr appendrO _POST_INIT_NAMErm ) r rA has_post_initrp r` Z seen_defaultrJ ra Z body_lineslineZ params_strr r r _init_fn s: r} c C s2 t dddddd | D d g|d}t|S ) Nr r z(return self.__class__.__qualname__ + f"(rg c S s g | ]}|j d |j dqS )z={self.z!r}r rH r r r rM s z _repr_fn.<locals>.<listcomp>z)"r` )rm rO r_ )r r` fnr r r _repr_fn s r c C sp | t d}|r,dddd |D d }nd}tdd d | d d d f||dtddd | d ddf||dfS )N)clsr rE rF c s s | ]}t |jV qd S r )r( r rH r r r rf ( s z'_frozen_get_del_attr.<locals>.<genexpr>rN rD __setattr__)r r ro z if type(self) is cls or name in :z> raise FrozenInstanceError(f"cannot assign to field {name!r}")z)super(cls, self).__setattr__(name, value))ra r` __delattr__r z; raise FrozenInstanceError(f"cannot delete field {name!r}")z"super(cls, self).__delattr__(name))r rO rm )r r r` ra Z fields_strr r r _frozen_get_del_attr$ s2 r c C s$ t | ddd| | | dg|dS )N)r otherz%if other.__class__ is self.__class__:z return zreturn NotImplementedr~ )rm )r op self_tuple other_tupler` r r r _cmp_fn= s r c C s$ t d| }tddd| dg|dS )Nr __hash__r z return hash(r7 r~ )rP rm )r r` r r r r _hash_fnK s r c C s$ | |j kp"t| |jko"| j|j kS r )ClassVarr% Z _GenericAliasZ __origin__)a_typetypingr r r _is_classvarS s r c C s | |j kpt| |j kS r )r r% )r dataclassesr r r _is_initvar[ s r c C s t | }|rd }|d}|s2tj|jj}n2tj|j}|rd|j||krdtj|jj}|r|||d|rdS dS )N TF)_MODULE_IDENTIFIER_REmatchgroupsysmodulesgetr __dict__) Z annotationr Za_moduler Zis_type_predicater rl Z module_namemoduler r r _is_typeb s ) r c C s8 t | |t}t|tr |}nt|tjr,t}t|d}||_||_t |_ t j d}|rt||st|jtrt|j| ||jtrt|_ |j t krt j t }t||st|jtrt|j| ||jtrt|_ |j ttfkr|jtk rtd|j d|j t kr4t|jttt fr4t dt|j d|j d|S )N)r, r field z cannot have a default factoryzmutable default z for field z$ is not allowed: use default_factory) r9 r r' r r4 MemberDescriptorTyper r r% r r2 r r r r strr r r r r r r! r- rw r, listdictr\ rC )r Za_namer r, rJ r r r r r _get_field sF r c C s || j krdS t| || dS )NTF)r setattr)r r ro r r r _set_new_attribute s r c C s d S r r r r r` r r r _hash_set_none s r c C s dd |D }t ||S )Nc S s( g | ] }|j d kr|jrn|j r|qS r )r. r0 rH r r r rM s z _hash_add.<locals>.<listcomp>)r )r r r` fldsr r r _hash_add s r c C s t d| j d S )Nz-Cannot overwrite attribute __hash__ in class )rw r r r r r _hash_exception s r ))FFFF)FFFT)FFTF)FFTT)FTFF)FTFT)FTTF)FTTT)TFFF)TFFT)TFTF)TFTT)TTFF)TTFT)TTTF)TTTTc s i } j tjkr tj j j}ni }t tt|||||| d} d} jddd D ]D} t| t d } | d k rVd} | D ]} | || j < qzt| tj rVd} qV j di } fdd| D }|D ]L} | || j < tt | j d tr| jtkr t | j qt | j | j qĈ j D ].\}}t|tr ||kr t|dq | rz| rf|sftd | sz|rztd t t | j d t}|tkp|d kod jk }|r|std |rt t}dd | D }t dt|||d|krdnd| dd | D }|rHdd |D }t dt|| |rdd |D }td|}td|}t d t d d|||d |rdd |D }td|}td|}dD ]>\}}t |t |||||drtd| d j d q|r8t ||D ].}t |j |rtd|j d j qt t |t |t ||f }|rh| || _!t d s j t"t#$ %d d _& S )!NFr T__annotations__c s g | ]\}}t ||qS r )r )rI r r% r r r rM ] s z"_process_class.<locals>.<listcomp>z& is a field but has no type annotationz5cannot inherit non-frozen dataclass from a frozen onez5cannot inherit frozen dataclass from a non-frozen oner __eq__z eq must be true if order is truec S s g | ]}|j ttfkr|qS r )r2 r r! rH r r r rM s r r Z__dataclass_self__c S s g | ]}|j tkr|qS r r2 r rH r r r rM s c S s g | ]}|j r|qS r )r( rH r r r rM s r c S s g | ]}|j r|qS r r0 rH r r r rM s r z==r~ c S s g | ]}|j r|qS r r rH r r r rM s ))__lt__<)__le__z<=)__gt__>)__ge__z>=zCannot overwrite attribute z in class z). Consider using functools.total_ordering__doc__z -> Nonerc )'r r r r r _PARAMSr< __mro__r9 _FIELDSvaluesr rA r itemsr' r r, r delattrrw rC hasattrrz r r} r rP r r r _hash_actionboolr r inspectZ signaturer r ) r r/ r( r> r? r@ rA r r` Zany_frozen_baseZhas_dataclass_basesre Z base_fieldsrJ Zcls_annotationsZ cls_fieldsr ro Z class_hashZhas_explicit_hashr{ r Z field_listr r r r Z hash_actionr r r _process_class' s r Fr= c s* fdd}| dkr"|S || S )a Returns the same class as was passed in, with dunder methods added based on the fields defined in the class. Examines PEP 526 __annotations__ to determine fields. If init is true, an __init__() method is added to the class. If repr is true, a __repr__() method is added. If order is true, rich comparison dunder methods are added. If unsafe_hash is true, a __hash__() method function is added. If frozen is true, fields may not be assigned to after instance creation. c s t | S r )r r r> rA r/ r? r( r@ r r wrap s zdataclass.<locals>.wrapNr )r r/ r( r> r? r@ rA r r r r r s c C sB zt | t}W n tk r* tdY nX tdd | D S )zReturn a tuple describing the fields of this dataclass. Accepts a dataclass or an instance of one. Tuple elements are of type Field. z0must be called with a dataclass type or instancec s s | ]}|j tkr|V qd S r r rH r r r rf s zfields.<locals>.<genexpr>)r9 r AttributeErrorrw tupler )Zclass_or_instancer r r r r s c C s t t| tS )z2Returns True if obj is an instance of a dataclass.)r r% r )objr r r _is_dataclass_instance s r c C s t | tr| nt| }t|tS )zEReturns True if obj is a dataclass or an instance of a dataclass.)r' r% r r )r r r r r r s dict_factoryc C s t | stdt| |S )a Return the fields of a dataclass instance as a new dictionary mapping field names to field values. Example usage: @dataclass class C: x: int y: int c = C(1, 2) assert asdict(c) == {'x': 1, 'y': 2} If given, 'dict_factory' will be used instead of built-in dict. The function applies recursively to field values that are dataclass instances. This will also look into built-in containers: tuples, lists, and dicts. z0asdict() should be called on dataclass instances)r rw _asdict_inner)r r r r r r s c s t | rDg }t| D ]&}tt| |j }||j|f q |S t| trrt| drrt | fdd| D S t| t tfrt | fdd| D S t| t rt | fdd| D S t | S d S )N_fieldsc s g | ]}t | qS r r rI vr r r rM O s z!_asdict_inner.<locals>.<listcomp>c 3 s | ]}t | V qd S r r r r r r rf T s z _asdict_inner.<locals>.<genexpr>c 3 s& | ] \}}t | t | fV qd S r r rI kr r r r rf V s )r r r r9 r ry r' r r r% r r r copydeepcopy)r r rW rJ ro r r r r 4 s r tuple_factoryc C s t | stdt| |S )a Return the fields of a dataclass instance as a new tuple of field values. Example usage:: @dataclass class C: x: int y: int c = C(1, 2) assert astuple(c) == (1, 2) If given, 'tuple_factory' will be used instead of built-in tuple. The function applies recursively to field values that are dataclass instances. This will also look into built-in containers: tuples, lists, and dicts. z1astuple() should be called on dataclass instances)r rw _astuple_inner)r r r r r r ] s c s t | r>g }t| D ] }tt| |j }|| q |S t| trlt| drlt | fdd| D S t| t tfrt | fdd| D S t| t rt | fdd| D S t | S d S )Nr c s g | ]}t | qS r r r r r r rM s z"_astuple_inner.<locals>.<listcomp>c 3 s | ]}t | V qd S r r r r r r rf s z!_astuple_inner.<locals>.<genexpr>c 3 s& | ] \}}t | t | fV qd S r r r r r r rf s )r r r r9 r ry r' r r r% r r r r r )r r rW rJ ro r r r r u s r r )bases namespacer/ r( r> r? r@ rA c s dkri n t } i } |D ]} t| tr<| } d}nDt| dkrR| \} }n.t| dkrr| \} }}| | < ntd| t| tr| std| t| rtd| | | krtd| | | || | < q$| d < t | |i fd d }t ||||||| d S ) a Return a new dynamically created dataclass. The dataclass name will be 'cls_name'. 'fields' is an iterable of either (name), (name, type) or (name, type, Field) objects. If type is omitted, use the string 'typing.Any'. Field objects are created by the equivalent of calling 'field(name, type [, Field-info])'. C = make_dataclass('C', ['x', ('y', int), ('z', int, field(init=False))], bases=(Base,)) is equivalent to: @dataclass class C(Base): x: 'typing.Any' y: int z: int = field(init=False) For the bases and namespace parameters, see the builtin type() function. The parameters init, repr, eq, order, unsafe_hash, and frozen are passed to dataclass(). Nz typing.Anyr zInvalid field: z'Field names must be valid identifiers: z"Field names must not be keywords: zField name duplicated: r c s | S r )rx )rl r r r <lambda> z make_dataclass.<locals>.<lambda>r= ) r r\ r' r lenrw isidentifierkeyword iskeywordrT r4 new_classr )Zcls_namer r r r/ r( r> r? r@ rA seenZannsitemr tpspecr r r r r s: c O s t | dkr tdt | d| r,| \}n4d|krX|d}ddl}|jdtdd ntd t|sptd t|t D ]v}|j t krq~|j s|j |kr~td |j d q~|j |kr~|j tkr|jtkrtd|j dt||j ||j < q~|jf |S )a, Return a new object replacing specified fields with new values. This is especially useful for frozen classes. Example usage: @dataclass(frozen=True) class C: x: int y: int c = C(1, 2) c1 = replace(c, x=3) assert c1.x == 3 and c1.y == 2 r z*replace() takes 1 positional argument but z were givenr r Nz/Passing 'obj' as keyword argument is deprecatedr ) stacklevelz7replace() missing 1 required positional argument: 'obj'z1replace() should be called on dataclass instancesr zC is declared with init=False, it cannot be specified with replace()zInitVar z! must be specified with replace())r rw popwarningswarnDeprecationWarningr r9 r r r2 r r/ r rC r! r, r __class__)rk Zchangesr r rJ r r r r s4 z(obj, /, **kwargs))N)Crer r r4 r r rh r] rR __all__r r r ru r r r5 r3 r r r r! r r rz compiler r% r" r r r< r rP r_ rm rq rr rs r} r r r r r r r r r r r r r r r r r r r r r r r r r r __text_signature__r r r r <module> s : 62 ;R > ) B<