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aio-georss-gdacs-0.7
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مشاهده بیشترتوضیحات
An async GeoRSS client library for GDACS feeds.
| ویژگی | مقدار |
|---|---|
| سیستم عامل | OS Independent |
| نام فایل | aio-georss-gdacs-0.7 |
| نام | aio-georss-gdacs |
| نسخه کتابخانه | 0.7 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Malte Franken |
| ایمیل نویسنده | coding@subspace.de |
| آدرس صفحه اصلی | https://github.com/exxamalte/python-aio-georss-gdacs |
| آدرس اینترنتی | https://pypi.org/project/aio-georss-gdacs/ |
| مجوز | Apache-2.0 |
# python-aio-georss-gdacs
[](https://github.com/exxamalte/python-aio-georss-gdacs/actions?workflow=CI)
[](https://codecov.io/gh/exxamalte/python-aio-georss-gdacs)
[](https://pypi.python.org/pypi/aio-georss-gdacs)
[](https://pypi.python.org/pypi/aio-georss-gdacs)
This library provides convenient async access to the [Global Disaster Alert and Coordination System (GDACS)](https://www.gdacs.org/) feeds.
## Installation
`pip install aio-georss-gdacs`
## Usage
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
**Parameters**
| 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. Supported/known categories are "Drought", "Earthquake", "Flood", "Tropical Cyclone", "Tsunami", "Volcano" |
**Example**
```python
import asyncio
from aiohttp import ClientSession
from aio_georss_gdacs import GdacsFeed
async def main() -> None:
async with ClientSession() as websession:
# Home Coordinates: Latitude: -33.0, Longitude: 150.0
# Filter radius: 500 km
feed = GdacsFeed(websession,
(-33.0, 150.0),
filter_radius=500)
status, entries = await feed.update()
print(status)
print(entries)
asyncio.get_event_loop().run_until_complete(main())
```
## Feed entry properties
Each feed entry is populated with the following properties:
| Name | Description | Feed attribute |
|------------------|------------------------------------------------------------------------------------------------------------|-------------------------------|
| geometries | All geometry details of this entry (except bounding boxes). | `georss:point` |
| coordinates | Best coordinates (latitude, longitude) of this entry. | `georss:point` |
| 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. | `gdacs:alertlevel` |
| description | The description of the incident. | `description` |
| alert_level | Alert level ("Red", "Orange", "Green"). | `gdacs:alertlevel` |
| country | Country where incident happened. | `gdacs:country` |
| duration_in_week | Duration of the incident in full weeks. | `gdacs:durationinweek` |
| event_id | Event ID (numerical). | `gdacs:eventid` |
| event_name | Short event name. | `gdacs:eventname` |
| event_type_short | Short event type ("DR, "EQ", "FL", "TC", "TS", "VO", "WF"). | `gdacs:eventtype` |
| event_type | Long event type ("Drought", "Earthquake", "Flood", "Tropical Cyclone", "Tsunami", "Volcano", "Wild Fire"). | `gdacs:eventtype` |
| from_date | Date and time this incident started. | `gdacs:fromdate` |
| icon_url | Icon URL. | `gdacs:icon` |
| is_current | Whether this incident is current. | `gdacs:iscurrent` |
| population | Exposed population. | `gdacs:population` |
| severity | Severity of the incident. | `gdacs:severity` |
| temporary | Whether this incident is temporary. | `gdacs:temporary` |
| to_date | Date and time this incident ended. | `gdacs:todate` |
| version | Version of the incident in this feed. | `gdacs:version` |
| vulnerability | Vulnerability score (textual or numerical). | `gdacs:vulnerability` |
## 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.
نیازمندی
| مقدار | نام |
|---|---|
| >=0.10 | aio-georss-client |
| >=0.7.0 | dateparser |
نحوه نصب
نصب پکیج whl aio-georss-gdacs-0.7:
pip install aio-georss-gdacs-0.7.whl
نصب پکیج tar.gz aio-georss-gdacs-0.7:
pip install aio-georss-gdacs-0.7.tar.gz