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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