B vlƵ @ s6 d dl Z e jZG dd de jZG dd de jZdS ) Nc @ s, e Zd Zdd Zdd Zdd Zdd Zd S ) BaseStreamc C s | j rtdd S )NzI/O operation on closed file)closed ValueError)self r 1/opt/alt/python37/lib64/python3.7/_compression.py_check_not_closed s zBaseStream._check_not_closedc C s | stdd S )NzFile not open for reading)readableioUnsupportedOperation)r r r r _check_can_read s zBaseStream._check_can_readc C s | stdd S )NzFile not open for writing)writabler r )r r r r _check_can_write s zBaseStream._check_can_writec C s( | std| s$tdd S )Nz3Seeking is only supported on files open for readingz3The underlying file object does not support seeking)r r r seekable)r r r r _check_can_seek s zBaseStream._check_can_seekN)__name__ __module____qualname__r r r r r r r r r s r c sf e Zd Zdd ZdddZ fddZdd Zd d Zdd dZdd Z e jfddZdd Z ZS )DecompressReaderc C s dS )NTr )r r r r r $ s zDecompressReader.readabler c K s> || _ d| _d| _d| _|| _|| _| jf | j| _|| _d S )NFr )_fp_eof_pos_size_decomp_factory_decomp_args _decompressor_trailing_error)r fpZdecomp_factoryZtrailing_errorZdecomp_argsr r r __init__' s zDecompressReader.__init__c s d | _ t S )N)r superclose)r ) __class__r r r! ; s zDecompressReader.closec C s | j S )N)r r )r r r r r ? s zDecompressReader.seekablec C sP t |:}|d$}| t|}||d t|<