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import types
from greenlet import greenlet
gr_waitmap = {}
gr_main = greenlet.getcurrent()
def current():
return greenlet.getcurrent()
def switchtop():
global gr_main
return gr_main.switch(None)
def callee(f):
def wrapper(*args,**kwargs):
kwargs['_grid'] = str(id(greenlet.getcurrent()))
return f(*args,**kwargs)
return wrapper
def caller(f):
def wrapper(*args,**kwargs):
global gr_waitmap
try:
gr = greenlet(lambda *args,**kwargs : (str(id(greenlet.getcurrent())),f(*args,**kwargs)))
grid = str(id(gr))
gr_waitmap[grid] = gr
result = gr.switch(*args,**kwargs)
if result == None:
return (False,None)
ret_grid,ret = result
del gr_waitmap[grid]
if greenlet.getcurrent() == gr_main:
return (False,None)
else:
while ret_grid != grid:
ret_grid,ret = gr_main.switch()
return (True,ret)
except Exception:
return (False,'Einternal')
return wrapper
def retcall(grid,value):
global gr_waitmap
try:
gr = gr_waitmap[grid]
gr.switch(value)
except Exception:
pass
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