U
    ʹh                     @  s2  d dl mZ d dlZd dlZd dlZd dlZd dlZd dlmZm	Z	 G dd de
ZeZeZeZeZeZejdkrejeeef ZnejZddd	d
ddZddd	d
ddZd(ddddddZG dd deZG dd dZG dd dejZd)ddddddddd Z d!d"d#d$d%Z!G d&d' d'ej"Z"dS )*    )annotationsN)CallableSequencec                   @  s   e Zd ZdS )CryptographyDeprecationWarningN__name__
__module____qualname__ r
   r
   8./venv/lib/python3.8/site-packages/cryptography/utils.pyr      s   r   )   	   strbytesNone)namevaluereturnc                 C  s   t |tst|  dd S )Nz must be bytes)
isinstancer   	TypeErrorr   r   r
   r
   r   _check_bytes)   s    
r   Bufferc                 C  s4   zt | W n" tk
r.   t|  dY nX d S )Nz must be bytes-like)
memoryviewr   r   r
   r
   r   _check_byteslike.   s    r   intz
int | None)integerlengthr   c                 C  s0   |dkrt d| |p*|  d d p*ddS )Nr   zlength argument can't be 0         Zbig)
ValueErrorto_bytes
bit_length)r   r   r
   r
   r   int_to_bytes5   s     r$   c                   @  s   e Zd ZdS )InterfaceNotImplementedNr   r
   r
   r
   r   r%   =   s   r%   c                   @  s   e Zd ZdddddZdS )_DeprecatedValueobjectr   )r   messagec                 C  s   || _ || _|| _d S N)r   r(   warning_class)selfr   r(   r*   r
   r
   r   __init__B   s    z_DeprecatedValue.__init__N)r   r   r	   r,   r
   r
   r
   r   r&   A   s   r&   c                      sb   e Zd Zdd fddZddddd	Zddd
dddZdd
dddZddddZ  ZS )_ModuleWithDeprecationsztypes.ModuleType)modulec                   s   t  |j || jd< d S )N_module)superr,   r   __dict__)r+   r.   	__class__r
   r   r,   I   s    z _ModuleWithDeprecations.__init__r   r'   )attrr   c                 C  s4   t | j|}t|tr0tj|j|jdd |j}|S N   )
stacklevel)	getattrr/   r   r&   warningswarnr(   r*   r   r+   r4   objr
   r
   r   __getattr__M   s
    
z#_ModuleWithDeprecations.__getattr__r   )r4   r   r   c                 C  s   t | j|| d S r)   )setattrr/   )r+   r4   r   r
   r
   r   __setattr__T   s    z#_ModuleWithDeprecations.__setattr__c                 C  s:   t | j|}t|tr*tj|j|jdd t| j| d S r5   )	r8   r/   r   r&   r9   r:   r(   r*   delattrr;   r
   r
   r   __delattr__W   s    
z#_ModuleWithDeprecations.__delattr__zSequence[str]r   c                 C  s   dt | jS )Nr/   )r/   )dirr/   r+   r
   r
   r   __dir__^   s    z_ModuleWithDeprecations.__dir__)	r   r   r	   r,   r=   r?   rA   rE   __classcell__r
   r
   r2   r   r-   H   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   rG   r(   r*   r   r.   Zdvr
   r
   r   
deprecatedb   s    

rJ   r   property)funcr   c                   s.   d  t  dd fdd}t|S )NZ_cached_r'   )instancec                   s0   t |  }|k	r|S | }t|  | |S r)   )r8   r>   )rM   cacheresultZcached_namerL   sentinelr
   r   innerw   s    zcached_property.<locals>.inner)r'   rK   )rL   rR   r
   rP   r   cached_propertys   s    
rS   c                   @  s(   e Zd ZddddZddddZdS )Enumr   rB   c                 C  s    d| j j d| j d| jdS )N<.z: >)r3   r   _name__value_rD   r
   r
   r   __repr__   s    zEnum.__repr__c                 C  s   | j j d| j S )NrV   )r3   r   rX   rD   r
   r
   r   __str__   s    zEnum.__str__N)r   r   r	   rZ   r[   r
   r
   r
   r   rT      s   rT   )N)N)#Z
__future__r   enumrH   typestypingr9   Zcollections.abcr   r   UserWarningr   ZDeprecatedIn36ZDeprecatedIn40ZDeprecatedIn41ZDeprecatedIn42ZDeprecatedIn43version_infoZUnionr   	bytearrayr   r   
ByteStringr   r   r$   	Exceptionr%   r&   
ModuleTyper-   rJ   rS   rT   r
   r
   r
   r   <module>   s2   
 