jerry73204 / easyflow-python

easyflow for Python

It is Python binding of easyflow project, which makes is easy to launch interconnected processes in one dataflow.json5 file.

Installation

Install this package using pip.

pip install -U git+https://github.com/jerry73204/easyflow-python.git

Usage

Here walks through the simple pub/sub example in the directory.

On the publisher side, it creates a sender according to the dataflow file.

flow = pyeasyflow.load_dataflow('dataflow.json5')
sender = flow.build_sender('publisher')
sender.send(b'DATA')

The subscriber side creates a listener from the same dataflow file.

flow = pyeasyflow.load_dataflow('dataflow.json5')

def callback(payload):
    print(payload)
        
listener = flow.listen('subscriber', callback)

Launch two scripts simultaneously.

cd example/pubsub

parallel -j0 --tty <<EOF
./pub.py
./sub.py
EOF