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validators.cpython-312.pyc
eL v d Z ddlZddlZddlmZ ddlmZ ddlmZmZ ddl m Z m Z m Z m Z ddlmZ dd lmZ g d Zd Zd Zed Z e ddd G d d Zd Z e ddd G d d Zd=dZ e ddd G d d Zd Z e ddd G d d Z d Z e ddd G d d Z d Z e ddd G d! d" Z d# Z! e ddd G d$ d% Z"d>d&Z# e ddd G d' d( Z$d>d)Z% e ddd G d* d+ Z&d, Z'd- Z(d. Z)d/ Z* e ddd G d0 d1 Z+d2 Z, e ddd G d3 d4 Z-d5 Z. e ddd G d6 d7 Z/d8 Z0 e ddd G d9 d: Z1de2e3fd;d<Z4y)?z Commonly useful validators. N)contextmanager)Pattern )get_run_validatorsset_run_validators) _AndValidatorand_attribattrs)default_if_none)NotCallableError)r deep_iterable deep_mappingdisabledge get_disabledgtin_ instance_of is_callablelelt matches_remax_lenmin_lennot_optionalprovides set_disabledc t | y)a Globally disable or enable running validators. By default, they are run. :param disabled: If ``True``, disable running all validators. :type disabled: bool .. warning:: This function is not thread-safe! .. versionadded:: 21.3.0 Nr )r s 1/usr/lib/python3/dist-packages/attr/validators.pyr r + s 8|$ c t S )z Return a bool indicating whether validators are currently disabled or not. :return: ``True`` if validators are currently disabled. :rtype: bool .. versionadded:: 21.3.0 )r r# r" r r = s "# ##r# c # b K t d d t d y# t d w xY ww)z Context manager that disables running validators within its context. .. warning:: This context manager is not thread-safe! .. versionadded:: 21.3.0 FNTr! r% r# r" r r I s) u ! 4 4 s / / ,/FT)reprslotshashc & e Zd Z e Zd Zd Zy)_InstanceOfValidatorc t || j sKdj |j | j |j | }t ||| j | y)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/ formatr. __class__ TypeErrorselfinstattrr1 msgs r" __call__z _InstanceOfValidator.__call___ sd %+SZZYYYY [ C ,r# c " d| j dS )Nz <instance_of validator for type >r/ r7 s r" __repr__z _InstanceOfValidator.__repr__q 1$)) a@@r# N__name__ __module__ __qualname__r r/ r; r@ r% r# r" r+ r+ [ s 8D$Ar# r+ c t | S )a A validator that raises a `TypeError` if the initializer is called with a wrong type for this particular attribute (checks are performed using `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 type :raises TypeError: With a human readable error message, the attribute (of type `attrs.Attribute`), the expected type, and the value it got. )r+ r> s r" r r u %%r# )r' frozenr( c 4 e Zd Z e Z e Zd Zd Zy)_MatchesReValidatorc | j | sJdj |j | j j | }t ||| j | y)r- z9'{name}' must match regex {pattern!r} ({value!r} doesn't))r. patternr1 N) match_funcr3 r. rL ValueErrorr6 s r" r; z _MatchesReValidator.__call__ s_ u%MTTYY (<(<E U C &r# c " d| j dS )Nz"<matches_re validator for pattern r= )rL r? s r" r@ z _MatchesReValidator.__repr__ s 3DLL3C1EEr# N)rC rD rE r rL rM r; r@ r% r# r" rJ rJ s hGJ Fr# rJ c t j dt j t j f}||vrDdj dj t d t | D }t | t | t r|r d}t | | }nt j | | }|t j u r |j }n+|t j u r |j }n |j }t || S )a A validator that raises `ValueError` if the initializer is called with a string that doesn't match *regex*. :param regex: a regex string or precompiled pattern to match against :param int flags: flags that will be passed to the underlying re function (default 0) :param callable func: which underlying `re` function to call. Valid options are `re.fullmatch`, `re.search`, and `re.match`; the default ``None`` means `re.fullmatch`. For performance reasons, the pattern is always precompiled using `re.compile`. .. versionadded:: 19.2.0 .. versionchanged:: 21.3.0 *regex* can be a pre-compiled pattern. Nz'func' must be one of {}.z, c 3 D K | ] }|xr |j xs d yw)NoneN)rC ).0es r" <genexpr>z matches_re.<locals>.<genexpr> s$ L;Kaq'QZZ161;Ks zR'flags' can only be used with a string pattern; pass flags to re.compile() instead)re fullmatchsearchmatchr3 joinsortedsetrN r2 r r5 compilerJ )regexflagsfunc valid_funcsr: rL rM s r" r r s <<ryy"((;K ; )00 IIL3{;KLL o %! fCC. **UE* rxx ]] ^^ && w 33r# c & e Zd Z e Zd Zd Zy)_ProvidesValidatorc | j j | s@dj |j | j | }t ||| j | y)r- z<'{name}' must provide {interface!r} which {value!r} doesn't.)r. interfacer1 N)re providedByr3 r. r5 r6 s r" r; z_ProvidesValidator.__call__ s_ ~~((/PWWYY$.. X C 0r# c " d| j dS )Nz"<provides validator for interface r= )re r? s r" r@ z_ProvidesValidator.__repr__ s 3DNN3EQGGr# N)rC rD rE r re r; r@ r% r# r" rc rc s I Hr# rc c P ddl }|j dt d t | S )aE A validator that raises a `TypeError` if the initializer is called with an object that does not provide the requested *interface* (checks are performed using ``interface.providedBy(value)`` (see `zope.interface <https://zopeinterface.readthedocs.io/en/latest/>`_). :param interface: The interface to check for. :type interface: ``zope.interface.Interface`` :raises TypeError: With a human readable error message, the attribute (of type `attrs.Attribute`), the expected interface, and the value it got. .. deprecated:: 23.1.0 r NzZattrs's zope-interface support is deprecated and will be removed in, or after, April 2024. ) stacklevel)warningswarnDeprecationWarningrc )re rk s r" r r s0 MM i ((r# c & e Zd Z e Zd Zd Zy)_OptionalValidatorc 0 |y | j ||| y N validatorr7 r8 r9 r1 s r" r; z_OptionalValidator.__call__ s = tT5)r# c " d| j dS )Nz<optional validator for z or None>rr r? s r" r@ z_OptionalValidator.__repr__ s )$..);9EEr# N)rC rD rE r rs r; r@ r% r# r" ro ro s I* Fr# ro c l t | t t f rt t | S t | 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 Callable | tuple[Callable] | list[Callable] validator: A validator (or validators) that is used for non-``None`` values. .. versionadded:: 15.1.0 .. versionchanged:: 17.1.0 *validator* can be a list of validators. .. versionchanged:: 23.1.0 *validator* can also be a tuple of validators. )r2 listtuplero r rr s r" r r s- )dE]+!- ":;; i ((r# c & e Zd Z e Zd Zd Zy) _InValidatorc || j v }|s8d|j d| j d|d}t ||| j | y # t $ r d}Y Hw xY w)NF'z ' must be in (got ))optionsr5 r. rN )r7 r8 r9 r1 in_optionsr: s r" r; z_InValidator.__call__ su $,,.J dii[ dll-=VE9ANC J s A AAc " d| j dS )Nz <in_ validator with options r= r r? s r" r@ z_InValidator.__repr__. s -dll-=Q??r# N)rC rD rE r r r; r@ r% r# r" rz rz s hG @r# rz c t | S )a A validator that raises a `ValueError` if the initializer is called with a value that does not belong in the options provided. The check is performed using ``value in options``. :param options: Allowed options. :type options: list, tuple, `enum.Enum`, ... :raises ValueError: With a human readable error message, the attribute (of type `attrs.Attribute`), the expected options, and the value it got. .. versionadded:: 17.1.0 .. versionchanged:: 22.1.0 The ValueError was incomplete until now and only contained the human readable error message. Now it contains all the information that has been promised since 17.1.0. )rz r s r" r r 2 s & r# c e Zd Zd Zd Zy)_IsCallableValidatorc t | s5d}t |j |j ||j | y)r- z?'{name}' must be callable (got {value!r} that is a {actual!r}).)r. r1 r0 )r: r1 N)callabler r3 r. r4 )r7 r8 r9 r1 messages r" r; z _IsCallableValidator.__call__J sN 8 #NN % # r# c y)Nz<is_callable validator>r% r? s r" r@ z _IsCallableValidator.__repr__Z s (r# N)rC rD rE r; r@ r% r# r" r r H s )r# r c t S )ax A validator that raises a `attrs.exceptions.NotCallableError` if the initializer is called with a value for this particular attribute that is not callable. .. versionadded:: 19.1.0 :raises attrs.exceptions.NotCallableError: With a human readable error message containing the attribute (`attrs.Attribute`) name, and the value it got. )r r% r# r" r r ^ s !!r# c ^ e Zd Z e e Z ed e e Zd Zd Z y) _DeepIterablerr Ndefaultrs c v | j | j ||| |D ] }| j ||| yr- Niterable_validatormember_validator)r7 r8 r9 r1 members r" r; z_DeepIterable.__call__t s> " " . # #D$ 6F ! !$f 5 r# c b | j dnd| j }d| d| j dS )N z <deep_iterable validator forz iterables of r= r )r7 iterable_identifiers r" r@ z_DeepIterable.__repr__~ sP &&. T,,/0 ++>*? T 2 2 5Q 8 r# ) rC rD rE r r r r r r; r@ r% r# r" r r m s0 6 76 r# r c V t | t t f rt | } t | | S )a4 A validator that performs deep validation of an iterable. :param member_validator: Validator(s) to apply to iterable members :param iterable_validator: Validator to apply to iterable itself (optional) .. versionadded:: 19.1.0 :raises TypeError: if any sub-validators fail )r2 rw rx r r r r s r" r r s. "T5M2 !12 )+= >>r# c z e Zd Z e e Z e e Z ed e e Zd Z d Z y) _DeepMappingrr Nr c | j | j ||| |D ]+ }| j ||| | j |||| - yr )mapping_validator key_validatorvalue_validator)r7 r8 r9 r1 keys r" r; z_DeepMapping.__call__ sT ! ! - " "4u 5C tT3 / tU3Z 8 r# c P dj | j | j S )NzA<deep_mapping validator for objects mapping {key!r} to {value!r}>)r r1 )r3 r r r? s r" r@ z_DeepMapping.__repr__ s% O &T''t/C/C& D Er# ) rC rD rE r r r r r r r; r@ r% r# r" r r s9 []3M {}5O tx 7NO 9Er# r c t | || S )a} A validator that performs deep validation of a dictionary. :param key_validator: Validator to apply to dictionary keys :param value_validator: Validator to apply to dictionary values :param mapping_validator: Validator to apply to top-level mapping attribute (optional) .. versionadded:: 19.1.0 :raises TypeError: if any sub-validators fail )r )r r r s r" r r s 8I JJr# c B e Zd Z e Z e Z e Zd Zd Zy)_NumberValidatorc | j || j s7d|j d| j d| j d| }t | y)r- r| z ' must be r : N) compare_funcboundr. compare_oprN r6 s r" r; z_NumberValidator.__call__ sR 3dii[ 4??*;1TZZL5'RC S/ ! 4r# c < d| j d| j dS )Nz<Validator for x r r= )r r r? s r" r@ z_NumberValidator.__repr__ s "4??"31TZZLBBr# N) rC rD rE r r r r r; r@ r% r# r" r r s" HEJ8L"Cr# r c 8 t | dt j S )z A validator that raises `ValueError` if the initializer is called with a number larger or equal to *val*. :param val: Exclusive upper bound for values .. versionadded:: 21.3.0 <)r operatorr vals r" r r Chkk 22r# c 8 t | dt j S )z A validator that raises `ValueError` if the initializer is called with a number greater than *val*. :param val: Inclusive upper bound for values .. versionadded:: 21.3.0 z<=)r r r r s r" r r Cx{{ 33r# c 8 t | dt j S )z A validator that raises `ValueError` if the initializer is called with a number smaller than *val*. :param val: Inclusive lower bound for values .. versionadded:: 21.3.0 z>=)r r r r s r" r r r r# c 8 t | dt j S )z A validator that raises `ValueError` if the initializer is called with a number smaller or equal to *val*. :param val: Exclusive lower bound for values .. versionadded:: 21.3.0 r= )r r r r s r" r r r r# c & e Zd Z e Zd Zd Zy)_MaxLengthValidatorc t | | j kD r3d|j d| j dt | }t | y)r- Length of 'z ' must be <= r N)len max_lengthr. rN r6 s r" r; z _MaxLengthValidator.__call__ H u: ' {-7H3u:,WC S/ ! (r# c " d| j dS )Nz<max_len validator for r= )r r? s r" r@ z _MaxLengthValidator.__repr__ ( (9;;r# N)rC rD rE r r r; r@ r% r# r" r r J"<r# r c t | S )z A validator that raises `ValueError` if the initializer is called with a string or iterable that is longer than *length*. :param int length: Maximum length of the string or iterable .. versionadded:: 21.3.0 )r lengths r" r r v &&r# c & e Zd Z e Zd Zd Zy)_MinLengthValidatorc t | | j k r3d|j d| j dt | }t | y)r- r z ' must be >= r N)r min_lengthr. rN r6 s r" r; z _MinLengthValidator.__call__$ r r# c " d| j dS )Nz<min_len validator for r= )r r? s r" r@ z _MinLengthValidator.__repr__, r r# N)rC rD rE r r r; r@ r% r# r" r r r r# r c t | S )z A validator that raises `ValueError` if the initializer is called with a string or iterable that is shorter than *length*. :param int length: Minimum length of the string or iterable .. versionadded:: 22.1.0 )r r s r" r r 0 r r# c & e Zd Z e Zd Zd Zy)_SubclassOfValidatorc t || j s8d|j d| j d|d}t ||| j | y)r- r| z' must be a subclass of r} z).N) issubclassr/ r. r5 r6 s r" r; z _SubclassOfValidator.__call__@ sX %+dii[ 8 VE9TVWC ,r# c " d| j dS )Nz <subclass_of validator for type r= r> r? s r" r@ z _SubclassOfValidator.__repr__M rA r# NrB r% r# r" r r < s 8D Ar# r c t | S )a A validator that raises a `TypeError` if the initializer is called with a wrong type for this particular attribute (checks are performed using `issubclass` 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 `attrs.Attribute`), the expected type, and the value it got. )r r> s r" _subclass_ofr Q rG r# c ~ e Zd Z e Z e ed Z e e ee e e Z d Z d Zy) _NotValidatorzCnot_ validator child '{validator!r}' did not raise a captured error) converterr rr c | j ||| t | j j | j | j || j || j # | j $ r Y y w xY w)N)rs exc_types)rs rN r: r3 r rt s r" r; z_NotValidator.__call__q sw NN4u - "nn "nn ~~ s A' 'A98A9c P dj | j | j S )Nz;<not_ validator wrapping {what!r}, capturing {exc_types!r}>)whatr )r3 rs r r? s r" r@ z_NotValidator.__repr__ s' I & nn r# N)rC rD rE r rs r r: r r Exceptionr rx r r; r@ r% r# r" r r a sN I ! - C )) 4 *5 1 I" r# r )r: r c X t | }t | || S # t $ r |f}Y w xY w)a A validator that wraps and logically 'inverts' the validator passed to it. It will raise a `ValueError` if the provided validator *doesn't* raise a `ValueError` or `TypeError` (by default), and will suppress the exception if the provided validator *does*. Intended to be used with existing validators to compose logic without needing to create inverted variants, for example, ``not_(in_(...))``. :param validator: A validator to be logically inverted. :param msg: Message to raise if validator fails. Formatted with keys ``exc_types`` and ``validator``. :type msg: str :param exc_types: Exception type(s) to capture. Other types raised by child validators will not be intercepted and pass through. :raises ValueError: With a human readable error message, the attribute (of type `attrs.Attribute`), the validator that failed to raise an exception, the value it got, and the expected exception types. .. versionadded:: 22.2.0 )rx r5 r )rs r: r s r" r r s: 4!)$ C 33 ! L !s )))r Nrq )5__doc__r rV contextlibr r _configr r _maker r r r convertersr exceptionsr __all__r r r r+ r rJ r rc r ro r rz r r r r r r r r r r r r r r r r r r r rN r5 r r% r# r" <module>r s} % ; 5 5 ' ( .%$ $ ! !" ED)A A *A2 & E$d+F F ,F.(4V ED)H H *H,)6 ED) F F * F)& ED)@ @ *@,!, ET*) ) +)* " ED) * 8?" ED)E E *E, K E$d+C C ,C" 3 4 4 3 E$d+ < < , < ' E$d+ < < , < ' ED)A A *A( & ED)& & *& R J +B 4r#