File: //usr/lib/python3/dist-packages/pyrsistent/__pycache__/_transformations.cpython-39.pyc
a
�j�\F � @ s� d dl Z d dlZzd dlmZmZ W nF eyj dZzd dlmZ W n eyd d dlmZ Y n0 Y n0 e� Z dd� Z
dd� Z d d
� Z d d � Z
d
d� Zdd� Zdd� Zdd� Zdd� Zdd� Zdd� Zedu r�dd � Znd d � Zd d � ZdS ) � N)� Parameter� signature)�getfullargspec)�
getargspecc C s | d S )z Add one to the current value � � ��xr r �=/usr/lib/python3/dist-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" z
| |= W n t y Y n0 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�sixZ 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 s, t dt| �|�D ]}| ||| � V qd S )Nr )�range�len)�l�n�ir r r
�_chunks/ s r$ c C s( | }t |d�D ]\}}t|||�}q|S )N� )r$ � _do_to_path)� structureZtransformationsr �path�commandr r r
� transform4 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& ; s r& c C s. z
| � � W S ty( tt| �� Y S 0 d S r )�items�AttributeError�list� enumerate)r' r r r
�_itemsC s
r3 c C s@ z t | d�r| | W S t| |�W S ttfy: | Y S 0 d S )N� __getitem__)�hasattr�getattr�
IndexErrorr
)r' r �defaultr r r
�_getK s
r9 c sf t � �rTt� �}|dkr.� fdd�t| �D �S |dkrL� fdd�t| �D �S td��� t| � t�fgS )Nr c s g | ]\}}� |�r||f�qS r r ��.0�k�v��key_specr r
�
<listcomp>] r z(_get_keys_and_values.<locals>.<listcomp>r% c s" g | ]\}}� ||�r||f�qS r r r: r> r r
r@ a r z5callable in transform path must take 1 or 2 arguments)r+ �
_get_arityr3 �
ValueErrorr9 �_EMPTY_SENTINEL)r' r? Zarityr r> r
r, V s �r, c C s t | �}t|j�t|jpd� S )Nr )r r �args�defaults)�fZargspecr r r
rA m s rA c C s t dd� t| �j�� D ��S )Nc s s0 | ](}|j tju r|jtjtjfv rd V qdS )r N)r8 r �empty�kindZPOSITIONAL_ONLYZPOSITIONAL_OR_KEYWORD)r; �pr r r
� <genexpr>r s �z _get_arity.<locals>.<genexpr>)�sumr �
parameters�values)rF r r r
rA q s �c
C s� ddl m} | �� }|s>|tu r>t|�D ]\}}t||� q(nD|D ]>\}}d}|tu r`d}|� }t|||�} | |usx|rB| ||< qB|�� S )Nr )�pmapFT)Zpyrsistent._pmaprN r r �reversedrC r& Z
persistent)
r' r. r( r) rN �er< r= Zis_empty�resultr r r
r- { s
r- )r r �inspectr r � ImportErrorr r �objectrC r r r r r r$ r* r& r3 r9 r, rA r- r r r r
�<module> s2