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import logging
import sys
from Pyro5.api import expose, callback, Daemon, Proxy
# initialize the logger so you can see what is happening with the callback exception message:
logging.basicConfig(stream=sys.stderr, format="[%(asctime)s,%(name)s,%(levelname)s] %(message)s")
log = logging.getLogger("Pyro5")
log.setLevel(logging.WARNING)
class CallbackHandler(object):
def crash(self):
a = 1
b = 0
return a // b
@expose
def call1(self):
print("\n\ncallback 1 received from server!")
print("going to crash - you won't see the exception here, only on the server")
return self.crash()
@expose
@callback
def call2(self):
print("\n\ncallback 2 received from server!")
print("going to crash - but you will see the exception printed here too:")
return self.crash()
daemon = Daemon()
callback_handler = CallbackHandler()
daemon.register(callback_handler)
with Proxy("PYRONAME:example.callback2") as server:
server.doCallback(callback_handler) # this is a oneway call, so we can continue right away
print("waiting for callbacks to arrive...")
print("(ctrl-c/break the program once it's done)")
daemon.requestLoop()
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