| Name | asyncev JSON |
| Version |
1.0.2
JSON |
| download |
| home_page | None |
| Summary | Asynchronous named events with no dependencies |
| upload_time | 2025-07-20 21:25:35 |
| maintainer | None |
| docs_url | None |
| author | Emil Tylén |
| requires_python | >=3.9 |
| license | None |
| keywords |
async
asyncio
event
library
|
| VCS |
 |
| bugtrack_url |
|
| requirements |
No requirements were recorded.
|
| Travis-CI |
No Travis.
|
| coveralls test coverage |
No coveralls.
|
AsyncEv: asynchronous event objects
===================================
AsyncEv leverages `asyncio` to create events that can be subscribed to and waited for.
## Installation
pip install asyncev
## Usage
```python
import asyncio
import asyncev
from dataclasses import dataclass
# Create an event
@dataclass
class MyEvent(asyncev.Event):
value: str
# Create a listener
async def on_myevent(ev: MyEvent):
print(f"Got a MyEvent with the value {ev.value}!")
# also works for methods, with binds possible at init time.
class Listener:
def __init__(self, name: str):
self.name = name
asyncev.bind(MyEvent, self.on_myevent)
async def on_myevent(self, ev: MyEvent):
print(f"{self.name} got a MyEvent with the value {ev.value}!")
asyncev.bind(MyEvent, on_myevent)
# Emit event (requires a running asyncio event loop)
async def main():
jeff = Listener("Jeff")
asyncev.emit(MyEvent(value="hello"))
await asyncio.sleep(.1)
del jeff # cleanup of event listeners is automatic
asyncev.emit(MyEvent("goodbye"))
await asyncio.sleep(.1)
asyncio.run(main())
```
## Development
Recommended tooling is [`uv`](https://astral.sh/uv). install it with `pip`.
### Building
$ uv build
### Testing
$ uv run tox
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