Python Yield Generator详解

if cur >= t:

self._do_resume_genetator(gene,cur)

def _do_resume_genetator(self,gene, cur ):

try:

self.on_generator_excute(gene, cur)

except StopIteration,e:

self.remove_generator(gene)

except Exception, e:

print 'unexcepet error', type(e)

self.remove_generator(gene)

def add_generator(self, gen, deadline):

self.generator_dict[gen] = deadline

def remove_generator(self, gene):

del self.generator_dict[gene]

def on_generator_excute(self, gen, cur_time = None):

t = gen.next()

cur_time = cur_time or time.time()

self.add_generator(gen, t + cur_time)

g_yield_mgr = YieldManager()

def yield_dec(func):

def _inner_func(*args, **kwargs):

gen = func(*args, **kwargs)

if type(gen) is types.GeneratorType:

g_yield_mgr.on_generator_excute(gen)

return gen

return

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