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A simple controller for message queue pipelines

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# Python Gabby

A simple controller for message queue pipelines using Mosquitto

## Installing

You can install the package through pip

```bash
pip install gabby
```

## Examples

Before run examples, please initialize the Mosquitto server.

#### Receiving messages

```python
from gabby.gabby import Gabby, Topic
from gabby.controller import Controller


class PrinterGabby(Gabby):
def transform(self, message):
print(f'ARRIVED! Data: {message.data}')
return []


if __name__ == "__main__":
controller = Controller()

topic_A = Topic('queue/a', 'i')
topic_B = Topic('queue/b', 'i')

printer_gabby = PrinterGabby([topic_A], [topic_B])

controller.add_gabby(printer_gabby)
controller.run()
```

#### Transmitting messages

```python
from gabby.gabby import Gabby, Topic
from gabby.message import Message


if __name__ == "__main__":
topic_A = Topic('queue/a', 'i')
topic_B = Topic('queue/b', 'i')

g = Gabby([topic_B], [topic_A])
data = (1,)
g.send(Message(data, g.output_topics))

```


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