o
    Hb                     @   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   sf   dd l }| d}ddg|d d  }|d }z|j||W S  tttfy2   td|  w )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_nameZresource_name r   '/usr/lib/python3.10/zoneinfo/_common.pyload_tzdata   s   
r   c                    s  t }|jdkrd}d}n'd}d}|jd |jd  |j |jd  |j |j }	|d t }|j}|j}|j}|r_t
d| | || }t
d| d	|}	nd
}d
}	|rvt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sJ |d}d }dkr||7 }d }dks|}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   s     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   s             
    )_TZifHeader	from_fileversiontimecnttypecntcharcntleapcntisstdcntisutcntseekr   r   r   ziprangetuple)r   headerZ	time_sizeZ	time_typeZ
skip_bytesr/   r.   r0   Ztrans_list_utcZ	trans_idxZutcoffZisdstZabbrindZabbrcZtz_bytesZtz_strr   )r$   r%   r   r&   r   	load_data   sj   

	



r:   c                   @   s(   e Zd Zg dZdd Zedd ZdS )r+   )r-   r3   r2   r1   r.   r/   r0   c                 G   s*   t | j|ddD ]
\}}t| || qd S )NT)strict)r5   	__slots__setattr)selfargsattrvalr   r   r   __init__   s   z_TZifHeader.__init__c                 C   sd   | ddkrtd| d}|dkrd}nt|}| d |f}|td| d }| | S )	Nr   s   TZifz"Invalid TZif file: magic not foundr   r       z>6l   )r   
ValueErrorintr   r   )clsstreamZ_versionr-   r?   r   r   r   r,      s   

z_TZifHeader.from_fileN)__name__
__module____qualname__r<   rB   classmethodr,   r   r   r   r   r+      s
    
r+   c                   @   s   e Zd ZdZdS )r
   z2Exception raised when a ZoneInfo key is not found.N)rI   rJ   rK   __doc__r   r   r   r   r
      s    r
   )r   r   r:   r+   KeyErrorr
   r   r   r   r   <module>   s
    d$