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An async GeoJSON client library for NSW Rural Fire Service Incidents.

Project description


Build Status codecov PyPi Version

This library provides convenient async access to the NSW Rural Fire Service incidents feed.


pip install aio-geojson-nsw-rfs-incidents


See below for examples of how this library can be used. After instantiating a particular class - feed or feed manager - and supply the required parameters, you can call update to retrieve the feed data. The return value will be a tuple of a status code and the actual data in the form of a list of feed entries specific to the selected feed.

Status Codes

  • OK: Update went fine and data was retrieved. The library may still return empty data, for example because no entries fulfilled the filter criteria.
  • OK_NO_DATA: Update went fine but no data was retrieved, for example because the server indicated that there was not update since the last request.
  • ERROR: Something went wrong during the update


Parameter Description
home_coordinates Coordinates (tuple of latitude/longitude)

Supported Filters

Filter Description
Radius filter_radius Radius in kilometers around the home coordinates in which events from feed are included.
Categories filter_categories Array of category names. Only events with a category matching any of these is included.


import asyncio
from aiohttp import ClientSession
from aio_geojson_nsw_rfs_incidents import NswRuralFireServiceIncidentsFeed
async def main() -> None:
    async with ClientSession() as websession:    
        # Home Coordinates: Latitude: -33.0, Longitude: 150.0
        # Filter radius: 50 km
        # Filter categories: 'Advice'
        feed = NswRuralFireServiceIncidentsFeed(websession, 
                                                (-33.0, 150.0), 
        status, entries = await feed.update()

Feed entry properties

Each feed entry is populated with the following properties:

Name Description Feed attribute
geometry All geometry details of this entry. geometry
coordinates Best coordinates (latitude, longitude) of this entry. geometry
external_id The unique public identifier for this incident. guid
title Title of this entry. title
attribution Attribution of the feed. n/a
distance_to_home Distance in km of this entry to the home coordinates. n/a
category The alert level of the incident ('Emergency Warning', 'Watch and Act', 'Advice','Not Applicable'). category
publication_date The publication date of the incidents. pubDate
description The description of the incident. description
location Location description of the incident. description -> LOCATION
council_area Council are this incident falls into. description -> COUNCIL AREA
status Status of the incident. description -> STATUS
type Type of the incident (e.g. Bush Fire, Grass Fire, Hazard Reduction). description -> TYPE
fire Indicated if this incident is a fire or not (True/False). description -> FIRE
size Size in ha. description -> SIZE
responsible_agency Agency responsible for this incident. description -> RESPONSIBLE AGENCY

Feed Manager

The Feed Manager helps managing feed updates over time, by notifying the consumer of the feed about new feed entries, updates and removed entries compared to the last feed update.

  • If the current feed update is the first one, then all feed entries will be reported as new. The feed manager will keep track of all feed entries' external IDs that it has successfully processed.
  • If the current feed update is not the first one, then the feed manager will produce three sets:
    • Feed entries that were not in the previous feed update but are in the current feed update will be reported as new.
    • Feed entries that were in the previous feed update and are still in the current feed update will be reported as to be updated.
    • Feed entries that were in the previous feed update but are not in the current feed update will be reported to be removed.
  • If the current update fails, then all feed entries processed in the previous feed update will be reported to be removed.

After a successful update from the feed, the feed manager provides two different dates:

  • last_update will be the timestamp of the last update from the feed irrespective of whether it was successful or not.
  • last_update_successful will be the timestamp of the last successful update from the feed. This date may be useful if the consumer of this library wants to treat intermittent errors from feed updates differently.
  • last_timestamp (optional, depends on the feed data) will be the latest timestamp extracted from the feed data. This requires that the underlying feed data actually contains a suitable date. This date may be useful if the consumer of this library wants to process feed entries differently if they haven't actually been updated.

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