semvec/pypi-packages huggingface dataset:
py-logging-logship 0.1.47
Python logship logging handler.
License: MIT
Requires Python: >=3.6

python-logging-loki
===================

[![PyPI version](https://img.shields.io/pypi/v/python-logging-loki.svg)](https://pypi.org/project/python-logging-loki/)
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Python logging handler for Loki.  
https://grafana.com/loki

Installation
============
```bash
pip install python-logging-loki
```

Usage
=====

```python
import logging
import logging_loki


handler = logging_loki.Handler(
    url="https://my-loki-instance/loki/api/v1/push", 
    tags={"application": "my-app"},
    auth=("username", "password"),
    version="1",
)

logger = logging.getLogger("my-logger")
logger.addHandler(handler)
logger.error(
    "Something happened", 
    extra={"tags": {"service": "my-service"}},
)
```

Example above will send `Something happened` message along with these labels:
- Default labels from handler
- Message level as `serverity`
- Logger's name as `logger` 
- Labels from `tags` item of `extra` dict

The given example is blocking (i.e. each call will wait for the message to be sent).  
But you can use the built-in `QueueHandler` and` QueueListener` to send messages in a separate thread.  

```python
import logging.handlers
import logging_loki
from multiprocessing import Queue


queue = Queue(-1)
handler = logging.handlers.QueueHandler(queue)
handler_loki = logging_loki.Handler(
    url="https://my-loki-instance/loki/api/v1/push", 
    tags={"application": "my-app"},
    auth=("username", "password"),
    version="1",
)
logging.handlers.QueueListener(queue, handler_loki)

logger = logging.getLogger("my-logger")
logger.addHandler(handler)
logger.error(...)
```

Or you can use `LokiQueueHandler` shortcut, which will automatically create listener and handler.

```python
import logging.handlers
import logging_loki
from multiprocessing import Queue


handler = logging_loki.LokiQueueHandler(
    Queue(-1),
    url="https://my-loki-instance/loki/api/v1/push", 
    tags={"application": "my-app"},
    auth=("username", "password"),
    version="1",
)

logger = logging.getLogger("my-logger")
logger.addHandler(handler)
logger.error(...)
```