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#!/usr/bin/env python

import sys, os, importlib

sys.path.append(os.path.abspath(".."))

import msgflo, gevent

import logging

def find_participant_classes(mod):

cls = []

for name in dir(mod):

symbol = getattr(mod, name)

if hasattr(symbol, 'send') and hasattr(symbol, 'process'): # XXX: HACK

cls.append(symbol)

return cls

def load_module_file(filepath):

modulename = os.path.basename(filepath)

modulename = modulename.replace('.py', '')

dirpath = os.path.dirname(filepath)

sys.path.append(dirpath) # XXX: HACK

module = importlib.import_module(modulename)

return module

def main():

prog, args = sys.argv[0], sys.argv[1:]

try:

modulepath, role = args[0:2]

except ValueError as e:

sys.stderr.write("Usage: msgflo-python MODULE.py ROLE\n")

return 1

module = load_module_file(modulepath)

classes = find_participant_classes(module)

Participant = classes[0]

msgflo.main(Participant, role)

if __name__ == '__main__':

logging.basicConfig()

main()

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