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Current File : //lib/python2.7/site-packages/pip/_vendor/lockfile/pidlockfile.pyc
�
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d�ZRS(	sA Lockfile implemented as a Unix PID file.

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	&cC@sU|j�s"td|j��n|j�sDtd|j��nt|j�dS(s� Release the lock.

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            s%s is not lockeds%s is locked, but not by meN(RRR
RRtremove_existing_pidfile(R((sD/usr/lib/python2.7/site-packages/pip/_vendor/lockfile/pidlockfile.pytrelease_s
cC@st|j�dS(s� Break an existing lock.

            Removes the PID file if it already exists, otherwise does
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__module__t__doc__R	RRRRRR R"R#(((sD/usr/lib/python2.7/site-packages/pip/_vendor/lockfile/pidlockfile.pyRs				 	
cC@sqd}yt|d�}Wntk
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rbnX|j�|S(s� Read the PID recorded in the named PID file.

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        trN(RtopentIOErrortreadlinetstriptintt
ValueErrortclose(tpidfile_pathtpidtpidfiletline((sD/usr/lib/python2.7/site-packages/pip/_vendor/lockfile/pidlockfile.pyRvs


cC@sotjtjBtjB}d}tj|||�}tj|d�}tj�}|jd|�|j�dS(s� Write the PID in the named PID file.

        Get the numeric process ID (“PID”) of the current process
        and write it to the named file as a line of text.

        i�tws%s
N(	RtO_CREATtO_EXCLtO_WRONLYR(tfdopenRtwriteR.(R/t
open_flagst	open_modet
pidfile_fdR1R0((sD/usr/lib/python2.7/site-packages/pip/_vendor/lockfile/pidlockfile.pyR�s	cC@sCytj|�Wn+tk
r>}|jtjkr8q?�nXdS(s� Remove the named PID file if it exists.

        Removing a PID file that doesn't already exist puts us in the
        desired state, so we ignore the condition if the file does not
        exist.

        N(RtremoveRRtENOENT(R/R((sD/usr/lib/python2.7/site-packages/pip/_vendor/lockfile/pidlockfile.pyR!�s(R&t
__future__RRRRtRRRRRRRRRR!(((sD/usr/lib/python2.7/site-packages/pip/_vendor/lockfile/pidlockfile.pyt<module>
s.]	"	

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