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validators.cpython-39.opt-1.pyc
a Pͣ_�, � @ s� d Z ddlmZmZmZ ddlZddlmZmZm Z m Z ddl m Z g d�Z e dd d d �G d d � d e��Zd d� Ze dd d d�G dd� de��Zd,dd�Ze dd d d �G dd� de��Zdd� Ze dd d d �G dd� de��Zdd� Ze dd d d �G d d � d e��Zd d � Ze ddd d �G d d!� d!e��Zd"d#� Ze dd d d �G d$d%� d%e��Zd-d&d'�Z e dd d d �G d(d)� d)e��Z d.d*d+�Z dS )/z Commonly useful validators. � )�absolute_import�division�print_functionN� )� _AndValidator�and_�attrib�attrs)�NotCallableError) r � deep_iterable� deep_mapping�in_� instance_of� is_callable� matches_re�optional�providesFT)�repr�slots�hashc @ s" e Zd Ze� Zdd� Zdd� ZdS )�_InstanceOfValidatorc C s4 t || j�s0tdj|j| j|j|d�|| j|��dS )�P We use a callable class to be able to change the ``__repr__``. z?'{name}' must be {type!r} (got {value!r} that is a {actual!r}).)�name�type�actual�valueN)� isinstancer � TypeError�formatr � __class__��self�inst�attrr � r$ �3/usr/lib/python3.9/site-packages/attr/validators.py�__call__ s ��z _InstanceOfValidator.__call__c C s dj | jd�S )Nz)<instance_of validator for type {type!r}>�r )r r �r! r$ r$ r% �__repr__0 s �z _InstanceOfValidator.__repr__N)�__name__� __module__� __qualname__r r r& r) r$ r$ r$ r% r s r c C s 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 types :raises TypeError: With a human readable error message, the attribute (of type `attr.Attribute`), the expected type, and the value it got. )r r' r$ r$ r% r 6 s r )r �frozenr c @ s. e Zd Ze� Ze� Ze� Zdd� Zdd� ZdS )�_MatchesReValidatorc C s0 | � |�s,tdj|j| jj|d�|| j|��dS )r z7'{name}' must match regex {regex!r} ({value!r} doesn't))r �regexr N)� match_func� ValueErrorr r r/ �patternr r$ r$ r% r& L s ��z _MatchesReValidator.__call__c C s dj | jd�S )Nz,<matches_re validator for pattern {regex!r}>)r/ )r r/ r( r$ r$ r% r) [ s �z _MatchesReValidator.__repr__N) r* r+ r, r r/ �flagsr0 r& r) r$ r$ r$ r% r. F s r. c C s� t tdd�}|dtjtjf}||vrJtdd�tdd� t|�D ���f ��t�| |�}|tju rh|j}n6|tju rz|j}n$|r�|j }nt�d� | �|�}|j}t |||�S )a} A validator that raises `ValueError` if the initializer is called with a string that doesn't match *regex*. :param str regex: a regex string to match against :param int flags: flags that will be passed to the underlying re function (default 0) :param callable func: which underlying `re` function to call (options are `re.fullmatch`, `re.search`, `re.match`, default is ``None`` which means either `re.fullmatch` or an emulation of it on Python 2). For performance reasons, they won't be used directly but on a pre-`re.compile`\ ed pattern. .. versionadded:: 19.2.0 � fullmatchNz'func' must be one of %s.z, c s s | ]}|r|j pd V qdS )�NoneN)r* )�.0�er$ r$ r% � <genexpr>x s z matches_re.<locals>.<genexpr>z(?:{})\Z) �getattr�re�search�matchr1 �join�sorted�set�compiler4 r r. )r/ r3 �funcr4 Z valid_funcsr2 r0 r$ r$ r% r a s. ����� r c @ s" e Zd Ze� Zdd� Zdd� ZdS )�_ProvidesValidatorc C s0 | j �|�s,tdj|j| j |d�|| j |��dS )r z<'{name}' must provide {interface!r} which {value!r} doesn't.)r � interfacer N)rC Z providedByr r r r r$ r$ r% r& � s ��z_ProvidesValidator.__call__c C s dj | jd�S )Nz0<provides validator for interface {interface!r}>�rC )r rC r( r$ r$ r% r) � s �z_ProvidesValidator.__repr__N)r* r+ r, r rC r& r) r$ r$ r$ r% rB � s rB c C s t | �S )a( 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 `attr.Attribute`), the expected interface, and the value it got. )rB rD r$ r$ r% r � s r c @ s" e Zd Ze� Zdd� Zdd� ZdS )�_OptionalValidatorc C s |d u r d S | � |||� d S )N�� validatorr r$ r$ r% r& � s z_OptionalValidator.__call__c C s dj t| j�d�S )Nz'<optional validator for {what} or None>)Zwhat)r r rG r( r$ r$ r% r) � s �z_OptionalValidator.__repr__N)r* r+ r, r rG r& r) r$ r$ r$ r% rE � s rE c C s t | t�rtt| ��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 validator: A validator (or a list of validators) that is used for non-``None`` values. :type validator: callable or `list` of callables. .. versionadded:: 15.1.0 .. versionchanged:: 17.1.0 *validator* can be a list of validators. )r �listrE r rF r$ r$ r% r � s r c @ s" e Zd Ze� Zdd� Zdd� ZdS )� _InValidatorc C sF z|| j v }W n ty$ d}Y n0 |sBtdj|j| j |d���d S )NFz/'{name}' must be in {options!r} (got {value!r}))r �optionsr )rJ r r1 r r )r! r" r# r Z in_optionsr$ r$ r% r& � s ��z_InValidator.__call__c C s dj | jd�S )Nz(<in_ validator with options {options!r}>�rJ )r rJ r( r$ r$ r% r) � s �z_InValidator.__repr__N)r* r+ r, r rJ r& r) r$ r$ r$ r% rI � s rI c C s 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 `attr.Attribute`), the expected options, and the value it got. .. versionadded:: 17.1.0 )rI rK r$ r$ r% r � s r c @ s e Zd Zdd� Zdd� ZdS )�_IsCallableValidatorc C s, t |�s(d}t|j|j||jd�|d��dS )r z?'{name}' must be callable (got {value!r} that is a {actual!r}).)r r r )�msgr N)�callabler r r r )r! r" r# r �messager$ r$ r% r& s � ��z _IsCallableValidator.__call__c C s dS )Nz<is_callable validator>r$ r( r$ r$ r% r) s z _IsCallableValidator.__repr__N)r* r+ r, r& r) r$ r$ r$ r% rL s rL c C s t � S )aw A validator that raises a `attr.exceptions.NotCallableError` if the initializer is called with a value for this particular attribute that is not callable. .. versionadded:: 19.1.0 :raises `attr.exceptions.NotCallableError`: With a human readable error message containing the attribute (`attr.Attribute`) name, and the value it got. )rL r$ r$ r$ r% r s r c @ s: e Zd Zee� d�Zedee� �d�Zdd� Zdd� Z dS )� _DeepIterablerF N��defaultrG c C s4 | j dur| � |||� |D ]}| �|||� q dS �r N)�iterable_validator�member_validator)r! r" r# r �memberr$ r$ r% r& / s z_DeepIterable.__call__c C s, | j d u rdn dj| j d�}dj|| jd�S )N� z {iterable!r})�iterablezJ<deep_iterable validator for{iterable_identifier} iterables of {member!r}>)�iterable_identifierrV )rT r rU )r! rY r$ r$ r% r) 9 s � ���z_DeepIterable.__repr__) r* r+ r, r r rU r rT r& r) r$ r$ r$ r% rP ( s � rP c C s t | |�S )a1 A validator that performs deep validation of an iterable. :param member_validator: Validator 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 )rP )rU rT r$ r$ r% r H s r c @ sF e Zd Zee� d�Zee� d�Zedee� �d�Zdd� Z dd� Z dS )� _DeepMappingrF NrQ c C sF | j dur| � |||� |D ]$}| �|||� | �|||| � q dS rS )�mapping_validator� key_validator�value_validator)r! r" r# r �keyr$ r$ r% r& ] s z_DeepMapping.__call__c C s dj | j| jd�S )NzA<deep_mapping validator for objects mapping {key!r} to {value!r}>)r^ r )r r\ r] r( r$ r$ r% r) h s ��z_DeepMapping.__repr__) r* r+ r, r r r\ r] r r[ r& r) r$ r$ r$ r% rZ W s rZ c C s 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 )rZ )r\ r] r[ r$ r$ r% r n s r )r N)N)N) �__doc__Z __future__r r r r: �_maker r r r � exceptionsr �__all__�objectr r r. r rB r rE r rI r rL r rP r rZ r r$ r$ r$ r% �<module> s: -