a
    If                     @   s:   d dl Z dd Zdd ZG dd dZG dd	 d	eZdS )
    Nc              
   C   sn   dd l }| d}ddg|d d  }|d }z|j||W S  tttfyh   td|  Y n0 d S )Nr   /.ztzdata.zoneinfozNo time zone found with key )	Zimportlib.resourcessplitjoinZ	resourcesZopen_binaryImportErrorFileNotFoundErrorUnicodeEncodeErrorZoneInfoNotFoundError)key	importlibZ
componentsZpackage_nameresource_name r   !lib/python3.9/zoneinfo/_common.pyload_tzdata   s    
r   c                    s  t }|jdkrd}d}nNd}d}|jd |jd  |j |jd  |j |j }	|d t }|j}|j}|j}|rt
d| | || }t
d| d	|}	nd
}d
}	|rtfddt|D  \}
}}nd
}
d
}d
}i |  fddtfdd|D }|jdkr|j|j |jd  }	|d d}|dkstJ |d}d }dkr||7 }qx|}nd }|	||
|||fS )N      l   q      >Br   c                 3   s    | ]}t d  dV  qdS )z>lbbr   N)structunpackread).0i)fobjr   r   	<genexpr>H       zload_data.<locals>.<genexpr>c                    s0   | vr(  d| } | |  | < |  S )N    )finddecode)idxZspan_end)
abbr_chars	abbr_valsr   r   get_abbrV   s    zload_data.<locals>.get_abbrc                 3   s   | ]} |V  qd S Nr   )r   r%   )r(   r   r   r    g   r!            
r!   )_TZifHeader	from_fileversiontimecnttypecntcharcntleapcntisstdcntisutcntseekr   r   r   ziprangetuple)r   headerZ	time_sizeZ	time_typeZ
skip_bytesr1   r0   r2   Ztrans_list_utcZ	trans_idxZutcoffZisdstZabbrindZabbrcZtz_bytesZtz_strr   )r&   r'   r   r(   r   	load_data   sh    

	


r<   c                   @   s(   e Zd Zg dZdd Zedd ZdS )r-   )r/   r5   r4   r3   r0   r1   r2   c                 G   s<   t | jt |ksJ t| j|D ]\}}t| || q"d S r)   )len	__slots__r7   setattr)selfargsattrvalr   r   r   __init__   s    z_TZifHeader.__init__c                 C   sd   | ddkrtd| d}|dkr.d}nt|}| d |f}|td| d }| | S )	Nr   s   TZifz"Invalid TZif file: magic not foundr   r"      z>6l   )r   
ValueErrorintr   r   )clsstreamZ_versionr/   rA   r   r   r   r.      s    

z_TZifHeader.from_fileN)__name__
__module____qualname__r>   rD   classmethodr.   r   r   r   r   r-      s   
r-   c                   @   s   e Zd ZdZdS )r
   z2Exception raised when a ZoneInfo key is not found.N)rK   rL   rM   __doc__r   r   r   r   r
      s   r
   )r   r   r<   r-   KeyErrorr
   r   r   r   r   <module>   s   d%