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txaio_future_creation_with_callbacks_and_resolution.py

python

This example demonstrates how to create a future/deferred, chain a callback and er

15d ago20 linestxaio.readthedocs.io
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txaio_future_creation_with_callbacks_and_resolution.py
1import txaio
2
3# This must be called before using any other txaio functions
4# to select the underlying framework (asyncio or twisted)
5txaio.use_asyncio()
6
7def success(value):
8    print("Success: {}".format(value))
9
10def error(fail):
11    print("Error: {}".format(fail.message))
12
13# Create a new future/deferred
14f = txaio.create_future()
15
16# Add callbacks
17txaio.add_callbacks(f, success, error)
18
19# Resolve the future (this will trigger the success callback)
20txaio.resolve(f, "Hello, world!")