File: //opt/cppython/lib/python3.8/site-packages/cryptography/__pycache__/utils.cpython-38.pyc
U
KD�gU � @ s d dl mZ d dlZd dlZd dlZd dlZd dlZG dd� de�ZeZ eZ
eZ eZ eZ
eZdddd�d d
�Zdddd�d d �Zd%d
ddd�dd�ZG dd� de�ZG dd� d�ZG dd� dej�Zd&ddddddd�d d �Zd d d �d!d"�ZG d#d$� d$ej�ZdS )'� )� annotationsNc @ s e Zd ZdS )� CryptographyDeprecationWarningN��__name__�
__module__� __qualname__� r r �?/opt/cppython/lib/python3.8/site-packages/cryptography/utils.pyr s r �str�bytes�None)�name�value�returnc C s t |t�st| � d���d S )Nz must be bytes)�
isinstancer � TypeError�r
r r r r � _check_bytes s
r c C s4 z t |� W n" tk
r. t| � d���Y nX d S )Nz must be bytes-like)�
memoryviewr r r r r �_check_byteslike$ s r �intz
int | None)�integer�lengthr c C s0 |dkrt d��| �|p*| �� d d p*dd�S )Nr zlength argument can't be 0� � � �big)�
ValueError�to_bytes�
bit_length)r r r r r � int_to_bytes+ s �r c @ s e Zd ZdS )�InterfaceNotImplementedNr r r r r r! 3 s r! c @ s e Zd Zddd�dd�ZdS )�_DeprecatedValue�objectr
)r �messagec C s || _ || _|| _d S �N)r r$ �
warning_class)�selfr r$ r& r r r �__init__8 s z_DeprecatedValue.__init__N)r r r r( r r r r r" 7 s r" c sb e Zd Zdd�� fdd� Zddd�dd �Zddd
d �d d
�Zdd
d�dd�Zdd�dd�Z� ZS )�_ModuleWithDeprecationsztypes.ModuleType)�modulec s t � �|j� || jd< d S )N�_module)�superr( r �__dict__)r' r* �� __class__r r r( ? s z _ModuleWithDeprecations.__init__r
r# )�attrr c C s4 t | j|�}t|t�r0tj|j|jdd� |j}|S �N� )�
stacklevel) �getattrr+ r r" �warnings�warnr$ r& r �r' r0 �objr r r � __getattr__C s
z#_ModuleWithDeprecations.__getattr__r )r0 r r c C s t | j||� d S r% )�setattrr+ )r' r0 r r r r � __setattr__J s z#_ModuleWithDeprecations.__setattr__c C s: t | j|�}t|t�r*tj|j|jdd� t| j|� d S r1 ) r4 r+ r r" r5 r6 r$ r& �delattrr7 r r r � __delattr__M s
z#_ModuleWithDeprecations.__delattr__ztyping.Sequence[str]�r c C s dt | j��S )Nr+ )r+ )�dirr+ �r' r r r �__dir__T s z _ModuleWithDeprecations.__dir__) r r r r( r9 r; r= rA �
__classcell__r r r. r r) > s
r) r# z
type[Warning]z
str | None)r � module_namer$ r& r
r c C sJ t j| }t|t�s&t|� t j|< }t| ||�}|d k rFt|||� |S r% )�sys�modulesr r) r" r: )r rC r$ r& r
r* Zdvr r r �
deprecatedX s
rF ztyping.Callable�property)�funcr c s. d�� �� t � �dd�� ��fdd� }t|�S )NZ_cached_r# )�instancec s0 t | � ��}|�k r|S �| �}t| � |� |S r% )r4 r: )rI �cache�result�Z cached_namerH �sentinelr r �innerm s z cached_property.<locals>.inner)r# rG )rH rN r rL r �cached_propertyi s
rO c @ s( e Zd Zdd�dd�Zdd�dd�ZdS )�Enumr
r> c C s d| j j� d| j� d| j�d�S )N�<�.z: �>)r/ r �_name_�_value_r@ r r r �__repr__{ s z
Enum.__repr__c C s | j j� d| j� �S )NrR )r/ r rT r@ r r r �__str__~ s z Enum.__str__N)r r r rV rW r r r r rP z s rP )N)N)�
__future__r �enumrD �types�typingr5 � UserWarningr ZDeprecatedIn36ZDeprecatedIn37ZDeprecatedIn40ZDeprecatedIn41ZDeprecatedIn42ZDeprecatedIn43r r r � Exceptionr! r" �
ModuleTyper) rF rO rP r r r r �<module> s, �