Edit File: _transformations.cpython-37.pyc
B ��@[� � @ s� d dl Z d dlZyd dlmZmZ W nJ ek rn dZyd dlmZ W n ek rh d dlmZ Y nX Y nX dd� Zdd� Z d d � Z d d � Z d d� Z dd� Z dd� Zdd� Zdd� Zdd� Zdd� Zedkr�dd � Znd d � Zd d � ZdS ) � N)� Parameter� signature)�getfullargspec)� getargspecc C s | d S )z Add one to the current value � � )�xr r �N/opt/alt/python37/lib64/python3.7/site-packages/pyrsistent/_transformations.py�inc s r c C s | d S )z% Subtract one from the current value r r )r r r r �dec s r c C s$ y | |= W n t k r Y nX dS )zL Discard the element and returns a structure without the discarded elements N)�KeyError)�evolver�keyr r r �discard s r c s t �| �� � fdd�S )zE Regular expression matcher to use together with transform functions c s t | tj�o� �| �S )N)� isinstance�six� string_types�match)r )�rr r �<lambda># � zrex.<locals>.<lambda>)�re�compile)�exprr )r r �rex s r c C s dS )z Matcher that matches any value Tr )�_r r r �ny& s r c c s0 x*t dt| �|�D ]}| ||| � V qW d S )Nr )�range�len)�l�n�ir r r �_chunks+ s r" c C s, | }x"t |d�D ]\}}t|||�}qW |S )N� )r" � _do_to_path)� structureZtransformationsr �path�commandr r r � transform0 s r( c C s< |st |�r|| �S |S t| |d �}t| ||dd � |�S )Nr r )�callable�_get_keys_and_values�_update_structure)r% r& r' �kvsr r r r$ 7 s r$ c C s* y| � � S tk r$ tt| ��S X d S )N)�items�AttributeError�list� enumerate)r% r r r �_items? s r1 c C s: y t | d�r| | S t| |�S ttfk r4 |S X d S )N� __getitem__)�hasattr�getattr� IndexErrorr )r% r �defaultr r r �_getG s r7 c st ddl m} t� �r`t� �}|dkr:� fdd�t| �D �S |dkrX� fdd�t| �D �S td��� t| � |� �fgS ) Nr )�pmapr c s g | ]\}}� |�r||f�qS r r )�.0�k�v)�key_specr r � <listcomp>Z s z(_get_keys_and_values.<locals>.<listcomp>r# c s" g | ]\}}� ||�r||f�qS r r )r9 r: r; )r< r r r= ^ s z5callable in transform path must take 1 or 2 arguments)Zpyrsistent._pmapr8 r) � _get_arityr1 � ValueErrorr7 )r% r< r8 �arityr )r< r r* R s r* c C s t | �}t|j�t|jpd� S )Nr )r r �args�defaults)�fZargspecr r r r> j s r> c C s t dd� t| �j�� D ��S )Nc s s0 | ](}|j tjkr|jtjtjfkrd V qdS )r N)r6 r �empty�kind�POSITIONAL_ONLY�POSITIONAL_OR_KEYWORD)r9 �pr r r � <genexpr>p s z _get_arity.<locals>.<genexpr>)�sumr � parameters�values)rC r r r r> n s c C sl | � � }|s6|tkr6xNt|�D ]\}}t||� q W n.x,|D ]$\}}t|||�}||k r<|||< q<W |�� S )N)r r �reversedr$ Z persistent)r% r, r& r' �er: r; �resultr r r r+ w s r+ )r r �inspectr r � ImportErrorr r r r r r r r" r( r$ r1 r7 r* r> r+ r r r r �<module> s0