Blinker

1.9.0 · active · verified Sat Mar 28

Blinker is a fast and simple object-to-object and broadcast signaling library for Python, currently at version 1.9.0. It is actively maintained with a release cadence of approximately one to two months between major versions.

Warnings

breaking Support for Python 3.8 has been dropped in version 1.9.0.
Fix: Upgrade to Python 3.9 or later.
deprecated The `__version__` attribute has been removed in version 1.9.0.
Fix: Use `importlib.metadata.version('blinker')` to retrieve the version.
deprecated The `WeakNamespace` class has been removed in version 1.9.0.
Fix: Refactor code to avoid using `WeakNamespace`.
deprecated The `Signal.temporarily_connected_to` context manager has been removed in version 1.9.0.
Fix: Use alternative methods to temporarily connect signals.

Install

pip install blinker Install Blinker

Imports

Signal
```
from blinker import Signal
```
Ensure correct import path to avoid ImportError.

Quickstart

This example demonstrates how to create a signal, connect a receiver function, and send the signal in Blinker.

import os
from blinker import Signal

# Create a new signal
my_signal = Signal('my_signal')

# Define a receiver function
def my_receiver(sender):
    print(f'Received signal from {sender}')

# Connect the receiver to the signal
my_signal.connect(my_receiver)

# Send the signal
my_signal.send('SenderName')

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