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U #IGZ� � @ s� d dl mZmZmZ d dlZddlmZ ddlmZm Z m Z ddl m Z dde dfd d �Zddedfd d �Zd d� Zdd� Zdd� ZdS )� )�absolute_import�division�print_functionN� )� iteritems)�NOTHING� _obj_setattr�fields)�AttrsAttributeNotFoundErrorTFc s� t | j�}�� }|D ]�}t| |j�}�dk r8�||�s8q|dkr�t|j�rbt|d��d�||j< q�t|ttt f�r�|dkr�|jnt} | ��fdd�|D ��||j< q�t|t �rԈ� � � fdd�t |�D ��||j< q�|||j< q|||j< q|S )a� Return the ``attrs`` attribute values of *inst* as a dict. Optionally recurse into other ``attrs``-decorated classes. :param inst: Instance of an ``attrs``-decorated class. :param bool recurse: Recurse into classes that are also ``attrs``-decorated. :param callable filter: A callable whose return code determines whether an attribute or element is included (``True``) or dropped (``False``). Is called with the :class:`attr.Attribute` as the first argument and the value as the second argument. :param callable dict_factory: A callable to produce dictionaries from. For example, to produce ordered dictionaries instead of normal Python dictionaries, pass in ``collections.OrderedDict``. :param bool retain_collection_types: Do not convert to ``list`` when encountering an attribute whose type is ``tuple`` or ``set``. Only meaningful if ``recurse`` is ``True``. :rtype: return type of *dict_factory* :raise attr.exceptions.NotAnAttrsClassError: If *cls* is not an ``attrs`` class. .. versionadded:: 16.0.0 *dict_factory* .. versionadded:: 16.1.0 *retain_collection_types* NT��recurse�filter� dict_factoryc s* g | ]"}t |j�r"t|d �� d�n|�qS )Tr ��has� __class__�asdict)�.0�i)r r � � /_funcs.py� <listcomp>3 s �� �zasdict.<locals>.<listcomp>c 3 sF | ]>\}}t |j�r t|� d �n|t |j�r8t|� d �n|fV qdS ))r Nr �r ZkkZvv)�dfr r � <genexpr>; s ��zasdict.<locals>.<genexpr>) r r �getattr�namer r � isinstance�tuple�list�set�dictr ) �instr r r �retain_collection_types�attrs�rv�a�v�cfr )r r r r r s0 �� � r c s t | j�}g }|�|D ]�}t| |j�}� dk r:� ||�s:q|dkr�t|j�rf|�t|d� ��d�� n�t|tt t f�r��dkr�|jnt } |�| � ��fdd�|D ��� nJt|t �r�dkr�|jnt } |�| ��fdd�t |�D ��� n |�|� q|�|� q�t k�r|S �|�S )a8 Return the ``attrs`` attribute values of *inst* as a tuple. Optionally recurse into other ``attrs``-decorated classes. :param inst: Instance of an ``attrs``-decorated class. :param bool recurse: Recurse into classes that are also ``attrs``-decorated. :param callable filter: A callable whose return code determines whether an attribute or element is included (``True``) or dropped (``False``). Is called with the :class:`attr.Attribute` as the first argument and the value as the second argument. :param callable tuple_factory: A callable to produce tuples from. For example, to produce lists instead of tuples. :param bool retain_collection_types: Do not convert to ``list`` or ``dict`` when encountering an attribute which type is ``tuple``, ``dict`` or ``set``. Only meaningful if ``recurse`` is ``True``. :rtype: return type of *tuple_factory* :raise attr.exceptions.NotAnAttrsClassError: If *cls* is not an ``attrs`` class. .. versionadded:: 16.2.0 NT�r r � tuple_factoryr# c s, g | ]$}t |j�r$t|d � ��d�n|�qS )Tr) �r r �astuple)r �j�r �retainr* r r r p s �� �zastuple.<locals>.<listcomp>c 3 sJ | ]B\}}t |j�r"t|�� d �n|t |j�r<t|�� d �n|fV qdS ))r* r# Nr+ r )r/ r* r r r y s ������zastuple.<locals>.<genexpr>) r r r r r �appendr, r r r r r! r ) r" r r r* r# r$ r% r& r' r( r r r. r r, F s4 � � � r, c C s t | dd�dk S )z� Check whether *cls* is a class with ``attrs`` attributes. :param type cls: Class to introspect. :raise TypeError: If *cls* is not a class. :rtype: :class:`bool` Z__attrs_attrs__N)r )�clsr r r r � s r c K sv ddl }|jdtdd� t�| �}t| j�}t|�D ]<\}}t||t�}|tkrdt dj ||jd���t |||� q4|S )a� Copy *inst* and apply *changes*. :param inst: Instance of a class with ``attrs`` attributes. :param changes: Keyword changes in the new copy. :return: A copy of inst with *changes* incorporated. :raise attr.exceptions.AttrsAttributeNotFoundError: If *attr_name* couldn't be found on *cls*. :raise attr.exceptions.NotAnAttrsClassError: If *cls* is not an ``attrs`` class. .. deprecated:: 17.1.0 Use :func:`evolve` instead. r Nz6assoc is deprecated and will be removed after 2018/01.� )� stacklevelz&{k} is not an attrs attribute on {cl}.)�kZcl) �warnings�warn�DeprecationWarning�copyr r r r r r �formatr )r" �changesr5 �newr$ r4 r' r& r r r �assoc� s$ � ��r< c K sb | j }t|�}|D ]D}|js q|j}|d dkr4|n |dd� }||krt| |�||< q|f |�S )a� Create a new instance, based on *inst* with *changes* applied. :param inst: Instance of a class with ``attrs`` attributes. :param changes: Keyword changes in the new copy. :return: A copy of inst with *changes* incorporated. :raise TypeError: If *attr_name* couldn't be found in the class ``__init__``. :raise attr.exceptions.NotAnAttrsClassError: If *cls* is not an ``attrs`` class. .. versionadded:: 17.1.0 r �_r N)r r Zinitr r )r" r: r1 r$ r& Z attr_nameZ init_namer r r �evolve� s r> )Z __future__r r r r8 Z_compatr �_maker r r � exceptionsr r! r r r, r r< r> r r r r �<module> s � <� H !
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