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The intended use is to write w.write(data) yield from w.drain() N)rY exceptionrVZ is_closingrWrI)rrDrrrdrain=s    zStreamWriter.drain)N)rr r!r"rr^propertyr0r_r`rarbrcrOrrgrrrrrs  c@seZdZedfddZddZddZdd Zd d Zd d Z ddZ ddZ ddZ ddZ eddZeddZed'ddZed)ddZed d!Zejred"d#Zed$d%Zejrd&d#ZdS)*rNcCsZ|dkrtd||_|dkr*tj|_n||_t|_d|_d|_d|_ d|_ d|_ dS)NrzLimit cannot be <= 0F) ValueError_limitrr+r7 bytearray_buffer_eof_waiter _exceptionrVr8)rr(r'rrrrXs zStreamReader.__init__cCsdg}|jr |jdt|j|jr0|jd|jtkrJ|jd|j|jr`|jd|j|jrv|jd|j|jr|jd|j|j r|jdd d j |S) Nrz%d bytesZeofzl=%dzw=%rze=%rzt=%rZpausedz<%s>rZ) rlr[rrmrj_DEFAULT_LIMITrnrorVr8r\)rr]rrrr^ks    zStreamReader.__repr__cCs|jS)N)ro)rrrrrf}szStreamReader.exceptioncCs0||_|j}|dk r,d|_|js,|j|dS)N)rornrGrC)rrDrArrrrCs zStreamReader.set_exceptioncCs*|j}|dk r&d|_|js&|jddS)z1Wakeup read*() functions waiting for data or EOF.N)rnrGr@)rrArrr_wakeup_waiters zStreamReader._wakeup_waitercCs|jdkstd||_dS)NzTransport already set)rVr;)rr0rrrrNszStreamReader.set_transportcCs*|jr&t|j|jkr&d|_|jjdS)NF)r8rrlrjrVresume_reading)rrrr_maybe_resume_transportsz$StreamReader._maybe_resume_transportcCsd|_|jdS)NT)rmrq)rrrrrQszStreamReader.feed_eofcCs|jo |j S)z=Return True if the buffer is empty and 'feed_eof' was called.)rmrl)rrrrat_eofszStreamReader.at_eofc Cs|j std|sdS|jj||j|jdk r|j rt|jd|jkry|jj Wnt k rzd|_YnXd|_dS)Nzfeed_data after feed_eofrT) rmr;rlextendrqrVr8rrjZ pause_readingNotImplementedError)rrSrrrrRs   zStreamReader.feed_datac csf|jdk rtd||j s&td|jrsB       "  B3G