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# aioapcaccess
[](https://github.com/yuxincs/aioapcaccess/actions/workflows/build.yaml?query=branch%3Amain)
[](https://codecov.io/github/yuxincs/aioapcaccess)
[](https://pypi.org/project/aioapcaccess/)
[](https://github.com/yuxincs/aioapcaccess/blob/main/LICENSE)
An async implementation of [apcaccess](https://linux.die.net/man/8/apcaccess). This
library provides programmatic access to the status information provided by
[apcupsd](http://www.apcupsd.org/) over its Network Information Server (NIS) which
usually listens on TCP port 3551.
This project is a re-implementation of the synchronous version
[flyte/apcaccess](https://github.com/flyte/apcaccess) using
[asyncio](https://docs.python.org/3/library/asyncio.html), where a lot of the logic is
borrowed and improved.
# Install
Install with pip:
```
$ pip install aioapcaccess
```
# Usage
The primary API for getting the status from APCUPS is `aioapcaccess.request_status`.
It returns a `collections.OrderedDict` mapping from field names (e.g., "SERIALNO") to
their values in string format. What fields are available will depend on the model of
your APC UPS, see [APCUPSD manual](http://www.apcupsd.org/manual/) for details.
The following example shows a typical usage of `aioapcaccess`
```python
import asyncio
import aioapcaccess
async def main():
result = await aioapcaccess.request_status(host='localhost', port=3551)
print(result)
if __name__ == '__main__':
asyncio.run(main())
```
The example above will print the following (prettified and simplified):
```
OrderedDict([
('APC', '001,036,0879'),
...,
('BATTV', '13.7 Volts'),
('CUMONBATT', '0 Seconds')
))])
```
In addition to `request_status`, we offer the following functions for advanced uses:
- `aioapcaccess.request_raw_status` for getting raw (unparsed) status in `bytes`.
- `aioapcaccess.parse_raw_status` for parsing the `bytes` to the dict shown above.
- `aioapcaccess.split_unit` for splitting the supported unit suffix from the value
strings, returning a tuple `(value, unit)`. You can check `aioapcaccess.UNITS` for
the set of supported units. Note that units are also in the forms of strings
(e.g., "Seconds", "Volts"). If no valid units are found in the value strings, `unit`
will be `None`.
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