3
Õì2a1 ã @ s G d d„ dƒZ dS )c @ sZ e Zd Zddd„Zdd„ Zdd„ Zd d
„ Zd d „ Zddd„Zdd„ Z ddd„Z
dd„ Z dS ) ÚChunkTFc C sÒ dd l }d| _|| _|r d}nd}|| _|jdƒ| _t| jƒdk rFt‚y |j|d |jdƒƒd | _ W n |j
k
r€ t‚Y nX |r’| j d | _ d| _ y| jj ƒ | _
W n ttfk
rÆ d| _Y nX d| _d S ) Né Fú>ú<é ÚLé T)ÚstructÚclosedÚalignÚfileÚreadÚ chunknameÚlenÚEOFErrorÚ unpack_fromÚ chunksizeÚerrorÚ size_readÚtellÚoffsetÚAttributeErrorÚOSErrorÚseekable)Úselfr r
Z bigendianZ
inclheaderr Zstrflag© r ú*/opt/alt/python36/lib64/python3.6/chunk.pyÚ__init__4 s,
zChunk.__init__c C s | j S )N)r
)r r r r ÚgetnameN s z
Chunk.getnamec C s | j S )N)r )r r r r ÚgetsizeR s z
Chunk.getsizec C s | j s z | jƒ W d d| _ X d S )NT)r Úskip)r r r r ÚcloseV s z Chunk.closec C s | j rtdƒ‚dS )Nz I/O operation on closed fileF)r Ú
ValueError)r r r r Úisatty] s z Chunk.isattyr c C sv | j rtdƒ‚| js tdƒ‚|dkr0|| j }n|dkrB|| j }|dk sT|| jkrXt‚| jj| j | dƒ || _d S )Nz I/O operation on closed filez cannot seeké é r )
r r! r r r r Ú RuntimeErrorr Úseekr )r ÚposÚwhencer r r r& b s
z
Chunk.seekc C s | j rtdƒ‚| jS )Nz I/O operation on closed file)r r! r )r r r r r u s z
Chunk.tellr# c C s¦ | j rtdƒ‚| j| jkr dS |dk r2| j| j }|| j| j krN| j| j }| jj|ƒ}| jt|ƒ | _| j| jkr¢| jr¢| jd@ r¢| jjdƒ}| jt|ƒ | _|S )Nz I/O operation on closed fileó r r# )r r! r r r r r r
)r ÚsizeÚdataÚdummyr r r r z s
z
Chunk.readc C s¦ | j rtdƒ‚| jrlyB| j| j }| jr:| jd@ r:|d }| jj|dƒ | j| | _d S tk
rj Y nX x4| j| jk r t d| j| j ƒ}| j
|ƒ}|snt ‚qnW d S )Nz I/O operation on closed filer# i ) r r! r r r r
r r& r Úminr r )r Únr, r r r r ‘ s"
z
Chunk.skipN)TTF)r éÿÿÿÿ)r/ ) Ú__name__Ú
__module__Ú __qualname__r r r r r" r& r r r r r r r r 3 s
r N)r r r r r Ú3 s