def launch_coroutine(queue_task, f, *args, **kwargs):
main_df = Deferred()
try:
g = f(*args, **kwargs)
except Exception, e:
if debug:
traceback.print_exc()
main_df.errback(sys.exc_info())
def initiateOp(self, handle, seekpos, buffer):
df = Deferred()
try:
self.reactor.issueReadFile(handle, seekpos, buffer,
self.ovDone, (handle, buffer))
except:
df.errback(sys.exc_info())
else:
self.df = df
return df
def initiateOp(self, handle, seekpos, buffer):
assert len(buffer) > 0
assert seekpos >= 0
df = Deferred()
try:
self.reactor.issueWriteFile(handle, seekpos, buffer,
self.ovDone, (handle, buffer))
except:
df.errback(sys.exc_info())
else:
self.df = df
return df
