Your IP : 18.118.114.72
�
��abc@sddlZddlZddlZddlZddlZddlZddlmZmZy
ej Z Wn e
efk
r�ejZ nXd#Zd$Z
eZe�Zdadefd��YZd�Zejd%kr�d
�Zn d�Zedd
dddg�Zdefd��YZdefd��YZeed�radefd��YZneed�r�defd��YZneed�r�defd��YZneed�r�defd ��YZ need�s�e!Znd!�Z"d"�Z#dS(&i����N(t
namedtupletMappingiit
SelectorErrorcBs#eZd�Zd�Zd�ZRS(cCs tt|�j�||_dS(N(tsuperRt__init__terrno(tselfterrcode((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyRscCsdj|j�S(Ns<SelectorError errno={0}>(tformatR(R((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyt__repr__"scCs
|j�S(N(R (R((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyt__str__%s(t__name__t
__module__RR R
(((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyRs cCs�t|t�r|}nHyt|j��}Wn/tttfk
r_tdj|���nX|dkr�tdj|���n|S(sl Return a file descriptor from a file object. If
given an integer will simply return that integer back. sInvalid file object: {0!r}isInvalid file descriptor: {0}(t
isinstancetinttfilenotAttributeErrort TypeErrort
ValueErrorR(tfileobjtfd((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyt_fileobj_to_fd)s iicOsdy|||�SWnLtttjfk
r_}d}t|d�rP|j}nt|��nXdS(s� This is the short-circuit version of the below logic
because in Python 3.5+ all system calls automatically restart
and recalculate their timeouts. RN(tOSErrortIOErrortselectterrortNonethasattrRR(tfunct_targstkwargsteR((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyt_syscall_wrapper;scOs�|jdd�}|dkr-d}t}n.t|�}|dkrNd}n
t�|}t|�}|r�d|kr�td��nt}x5|tkr�y|||�}Wq�tt t
jfk
r�}d}t|d�r�|j
}nt|d�r|jd}n|t
jkp8tt
d�o8|t
jk} | r�|dk r�t�}
|
|krwtdt
j��n|r�d|kr�||
|d<q�q�q�q�n|r�t|��q��q�Xq�W|S( s� Wrapper function for syscalls that could fail due to EINTR.
All functions should be retried if there is time left in the timeout
in accordance with PEP 475. ttimeoutgs4Timeout must be in args or kwargs to be recalculatedRRitWSAEINTRN(tgetRtFalsetfloatt monotonictlistRt_SYSCALL_SENTINELRRRRRRRtEINTRR#t ETIMEDOUTR(Rtrecalc_timeoutRRR"texpirestresultR Rtis_interrupttcurrent_time((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyR!GsJ
tSelectorKeyRRteventstdatat_SelectorMappingcBs2eZdZd�Zd�Zd�Zd�ZRS(s* Mapping of file objects to selector keys cCs
||_dS(N(t _selector(Rtselector((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyR�scCst|jj�S(N(tlenR5t
_fd_to_key(R((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyt__len__�scCsQy$|jj|�}|jj|SWn&tk
rLtdj|���nXdS(Ns{0!r} is not registered.(R5t_fileobj_lookupR8tKeyErrorR(RRR((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyt__getitem__�s
cCst|jj�S(N(titerR5R8(R((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyt__iter__�s(RRt__doc__RR9R<R>(((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyR4�s
tBaseSelectorcBs�eZdZd�Zd�Zd
d�Zd�Zd
d�Zd
d�Z d�Z
d�Zd �Zd
�Z
d�Zd�ZRS(s/ Abstract Selector class
A selector supports registering file objects to be monitored
for specific I/O events.
A file object is a file descriptor or any object with a
`fileno()` method. An arbitrary object can be attached to the
file object which can be used for example to store context info,
a callback, etc.
A selector can use various implementations (select(), poll(), epoll(),
and kqueue()) depending on the platform. The 'DefaultSelector' class uses
the most efficient implementation for the current platform.
cCsi|_t|�|_dS(N(R8R4t_map(R((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyR�s cCsYyt|�SWnDtk
rTx-|jj�D]}|j|kr.|jSq.W�nXdS(sa Return a file descriptor from a file object.
This wraps _fileobj_to_fd() to do an exhaustive
search in case the object is invalid but we still
have it in our map. Used by unregister() so we can
unregister an object that was previously registered
even if it is closed. It is also used by _SelectorMapping
N(RRR8tvaluesRR(RRtkey((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyR:�s
cCs�|s|ttB@r.tdj|���nt||j|�||�}|j|jkr|tdj||j���n||j|j<|S(s8 Register a file object for a set of events to monitor. sInvalid events: {0!r}s${0!r} (FD {1}) is already registered( t
EVENT_READtEVENT_WRITERRR1R:RR8R;(RRR2R3RC((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pytregister�s cCs�y|jj|j|��}Wn�tk
rGtdj|���n�tjk
r�}|jtjkrq�q�xV|jj �D],}|j
|kr�|jj|j�Pq�q�Wtdj|���nX|S(s0 Unregister a file object from being monitored. s{0!r} is not registered(R8tpopR:R;RtsocketRRtEBADFRBRR(RRRCR ((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyt
unregister�s
cCs�y|j|j|�}Wn&tk
rBtdj|���nX||jkrw|j|�|j|||�}n4||jkr�|jd|�}||j|j <n|S(s< Change a registered file object monitored events and data. s{0!r} is not registeredR3(
R8R:R;RR2RJRFR3t_replaceR(RRR2R3RC((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pytmodify�s
cCs
t��dS(sj Perform the actual selection until some monitored file objects
are ready or the timeout expires. N(tNotImplementedError(RR"((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyR�scCs|jj�d|_dS(sd Close the selector. This must be called to ensure that all
underlying resources are freed. N(R8tclearRRA(R((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pytclose�s
cCs`|j�}|dkr'td��ny||SWn&tk
r[tdj|���nXdS(s: Return the key associated with a registered file object. sSelector is closeds{0!r} is not registeredN(tget_mapRtRuntimeErrorR;R(RRtmapping((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pytget_keys
cCs|jS(s3 Return a mapping of file objects to selector keys (RA(R((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyRP
scCs(y|j|SWntk
r#dSXdS(s_ Return the key associated to a given file descriptor
Return None if it is not found. N(R8R;R(RR((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyt_key_from_fds
cCs|S(N((R((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyt __enter__scGs|j�dS(N(RO(RR((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyt__exit__sN(RRR?RR:RRFRJRLRRORSRPRTRURV(((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyR@�s
RtSelectSelectorcBsDeZdZd�Zdd�Zd�Zdd�Zdd�ZRS(s Select-based selector. cCs/tt|�j�t�|_t�|_dS(N(RRWRtsett_readerst_writers(R((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyR!scCsbtt|�j|||�}|t@r>|jj|j�n|t@r^|jj|j�n|S(N( RRWRFRDRYtaddRRERZ(RRR2R3RC((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyRF&s
cCsBtt|�j|�}|jj|j�|jj|j�|S(N(RRWRJRYtdiscardRRZ(RRRC((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyRJ.scCstj||g|�S(s? Wrapper for select.select because timeout is a positional arg (R(RtrtwR"((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyt_select4sc Cst|j�r$t|j�r$gS|dkr6dnt|d�}g}t|jt|j|j|�\}}}t|�}t|�}x|||BD]p}d}||kr�|t O}n||kr�|t
O}n|j|�}|r�|j|||j
@f�q�q�W|S(Ngi(R7RYRZRtmaxR!R_tTrueRXRDRERTtappendR2( RR"treadyR]R^RRR2RC((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyR8s$ !
!N( RRR?RRRFRJR_R(((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyRWs tpolltPollSelectorcBsDeZdZd�Zdd�Zd�Zdd�Zdd�ZRS(s Poll-based selector cCs&tt|�j�tj�|_dS(N(RReRRRdt_poll(R((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyRSscCsrtt|�j|||�}d}|t@r>|tjO}n|t@rX|tjO}n|jj|j |�|S(Ni(
RReRFRDRtPOLLINREtPOLLOUTRfR(RRR2R3RCt
event_mask((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyRFWs
cCs/tt|�j|�}|jj|j�|S(N(RReRJRfR(RRRC((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyRJascCsM|dk r7|dkr!d}q7tj|d�}n|jj|�}|S(sj Wrapper function for select.poll.poll() so that
_syscall_wrapper can work with only seconds. ig@�@N(RtmathtceilRfRd(RR"R.((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyt
_wrap_pollfs cCs�g}t|jtd|�}x�|D]z\}}d}|tj@rR|tO}n|tj@rm|tO}n|j|�}|r%|j |||j
@f�q%q%W|S(NR"i(R!RlRaRRgRERhRDRTRbR2(RR"Rct fd_eventsRRiR2RC((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyRts
!N( RRR?RRRFRJRlR(((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyReQs
tepollt
EpollSelectorcBsJeZdZd�Zd�Zdd�Zd�Zdd�Zd�Z RS(s Epoll-based selector cCs&tt|�j�tj�|_dS(N(RRoRRRnt_epoll(R((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyR�scCs
|jj�S(N(RpR(R((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyR�scCsxtt|�j|||�}d}|t@r>|tjO}n|t@rX|tjO}nt|j jt
|j|�|S(Ni(RRoRFRDRtEPOLLINREtEPOLLOUTR!RpR%R(RRR2R3RCtevents_mask((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyRF�s
cCsMtt|�j|�}yt|jjt|j�Wntk
rHnX|S(N(RRoRJR!RpR%RR(RRRC((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyRJ�s
c Cs|dk rG|dkr!d}ntj|d�d}t|�}nd}tt|j�d�}g}t|jj t
d|d|�}x�|D]z\}}d}|tj@r�|t
O}n|tj@r�|tO}n|j|�}|r�|j|||j@f�q�q�W|S( Nigg@�@g����MbP?g�iR"t maxevents(RRjRkR&R`R7R8R!RpRdRaRRqRERrRDRTRbR2( RR"t
max_eventsRcRmRRiR2RC((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyR�s*
!cCs$|jj�tt|�j�dS(N(RpRORRo(R((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyRO�s
N(
RRR?RRRRFRJRRO(((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyRo�s
!tkqueuetKqueueSelectorcBsJeZdZd�Zd�Zdd�Zd�Zdd�Zd�Z RS(s Kqueue / Kevent-based selector cCs&tt|�j�tj�|_dS(N(RRwRRRvt_kqueue(R((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyR�scCs
|jj�S(N(RxR(R((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyR�scCs�tt|�j|||�}|t@rhtj|jtjtj�}t |j
jt|gdd�n|t
@r�tj|jtjtj�}t |j
jt|gdd�n|S(Ni(RRwRFRDRtkeventRtKQ_FILTER_READt KQ_EV_ADDR!RxtcontrolR%REtKQ_FILTER_WRITE(RRR2R3RCRy((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyRF�s
"
"cCs�tt|�j|�}|jt@r}tj|jtjtj �}y#t
|jjt
|gdd�Wq}tk
ryq}Xn|jt@r�tj|jtjtj �}y#t
|jjt
|gdd�Wq�tk
r�q�Xn|S(Ni(RRwRJR2RDRRyRRztKQ_EV_DELETER!RxR|R%RRER}(RRRCRy((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyRJ�s$
#
#
cCs9|dk rt|d�}nt|j�d}i}t|jjtd||�}x�|D]�}|j}|j }d}|t
jkr�|tO}n|t
j
kr�|tO}n|j|�} | r\| j|kr�| || j@f|| j<q%|| jd}
| ||
B| j@f|| j<q\q\Wt|j��S(Niii(RR`R7R8R!RxR|RatidenttfilterRRzRDR}RERTRR2R(RB(RR"Rut ready_fdstkevent_listRyRRiR2RCt
old_events((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyR�s*
%cCs$|jj�tt|�j�dS(N(RxRORRw(R((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyROs
N(
RRR?RRRRFRJRRO(((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyRw�s cCsgyF|dkr+tj�}|jd�ntt|��j�tSWnttfk
rb}tSXdS(s
Checks that select structs can be allocated by the underlying
operating system, not just advertised by the select module. We don't
check select() because we'll be hopeful that most platforms that
don't have it available will not advertise it. (ie: GAE) RdiN(RRdtgetattrRORaRRR%(tstructtpR ((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyt
_can_allocatescCsytdkrrtd�r!taqrtd�r6taqrtd�rKtaqrttd�rctaqrt d��nt�S(s� This function serves as a first call for DefaultSelector to
detect if the select module is being monkey-patched incorrectly
by eventlet, greenlet, and preserve proper behavior. RvRnRdRs!Platform does not have a selectorN(
t_DEFAULT_SELECTORRR�RwRoReRRRWR(((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pytDefaultSelector5s ii(ii($RRjRRHtsysttimetcollectionsRRR'RtImportErrorRDRERat
HAS_SELECTtobjectR)RR�t ExceptionRRtversion_infoR!R1R4R@RRWReRoRwR%R�R�(((sF/usr/lib/python2.7/site-packages/pip/_vendor/urllib3/util/selectors.pyt<module>sF
8�14BR
?>