@@ -339,11 +339,8 @@ def __init__(self):
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def register (self , fileobj , events , data = None ):
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key = super ().register (fileobj , events , data )
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- poller_events = 0
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- if events & EVENT_READ :
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- poller_events |= self ._EVENT_READ
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- if events & EVENT_WRITE :
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- poller_events |= self ._EVENT_WRITE
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+ poller_events = ((events & EVENT_READ and self ._EVENT_READ )
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+ | (events & EVENT_WRITE and self ._EVENT_WRITE ) )
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try :
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self ._selector .register (key .fd , poller_events )
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except :
@@ -369,11 +366,8 @@ def modify(self, fileobj, events, data=None):
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changed = False
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if events != key .events :
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- selector_events = 0
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- if events & EVENT_READ :
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- selector_events |= self ._EVENT_READ
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- if events & EVENT_WRITE :
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- selector_events |= self ._EVENT_WRITE
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+ selector_events = ((events & EVENT_READ and self ._EVENT_READ )
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+ | (events & EVENT_WRITE and self ._EVENT_WRITE ))
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try :
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self ._selector .modify (key .fd , selector_events )
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except :
@@ -404,15 +398,13 @@ def select(self, timeout=None):
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fd_event_list = self ._selector .poll (timeout )
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except InterruptedError :
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return ready
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- for fd , event in fd_event_list :
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- events = 0
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- if event & ~ self ._EVENT_READ :
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- events |= EVENT_WRITE
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- if event & ~ self ._EVENT_WRITE :
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- events |= EVENT_READ
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- key = self ._fd_to_key .get (fd )
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+ fd_to_key_get = self ._fd_to_key .get
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+ for fd , event in fd_event_list :
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+ key = fd_to_key_get (fd )
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if key :
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+ events = ((event & ~ self ._EVENT_READ and EVENT_WRITE )
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+ | (event & ~ self ._EVENT_WRITE and EVENT_READ ))
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ready .append ((key , events & key .events ))
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return ready
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