Adds a resource (_eventhooks by default) where you can insert URLs to be called when a given resource is changed. The URL can have template keywords surrounded by curlybraces that will be filled in with data from the changed record.
from eve import Eve
import eve_ntifier
app = Eve()
eve_ntifier.init(app)$ echo -e "HTTP/1.1 200 OK\r\n\r\nHello" | nc -l 1234 >out.txt &
$ PYTHONPATH=. python example/run.py &
$ curl -F resource=images -F "url=http://localhost:1234/event/{_resource}/{_event}/{name}" localhost:9000/api/_eventhooks
INFO:werkzeug:127.0.0.1 - - [18/May/2016 11:54:48] "POST /api/_eventhooks HTTP/1.1" 201 -
{"_updated": "Thu, 01 Jan 1970 00:00:00 GMT", "_links": {"self": {"href": "_eventhooks/1", "title": "_eventhook"}}, "_created": "Thu, 01 Jan 1970 00:00:00 GMT", "_status": "OK", "_id": "1", "_etag": "b0e30153c7df89c34f6a11fa58b04c8a59dff456"}
$ curl -F name=test2.jpg localhost:9000/api/images
DEBUG:eve_ntifier:requesting http://localhost:1234/event/images/inserted/test2.jpg
DEBUG:eve_ntifier:response: Hello
INFO:werkzeug:127.0.0.1 - - [18/May/2016 11:58:13] "POST /api/images HTTP/1.1" 201 -
{"_updated": "Thu, 01 Jan 1970 00:00:00 GMT", "_links": {"self": {"href": "images/1", "title": "Image"}}, "_created": "Thu, 01 Jan 1970 00:00:00 GMT", "_status": "OK", "_id": 1, "_etag": "71980304104c6837203498dd8ad984c30138c1d8"}
$ cat out.txt
GET /event/images/inserted/test2.jpg HTTP/1.0
Host: localhost:1234
User-Agent: Python-urllib/1.17- Eve events are registered for all known resources at launch
- hooks are cached in memory and matched to events as they happen
- unresolvable template variable gets value "None" and warning is logged
- http errors are logged
- cache is refreshed when hooks are changed via Eve
$ curl -F resource=_eventhooks -F method=POST -F "url=http://localhost:1234/ev/{_resource}/{_event}/{name}" localhost:9000/api/_eventhooks
WARNING:eve_ntifier:<type 'exceptions.KeyError'>: u'name'
DEBUG:eve_ntifier:requesting http://localhost:1234/ev/_eventhooks/inserted/None
ERROR:eve_ntifier:while requesting http://localhost:1234/ev/_eventhooks/inserted/None : <HTTPHandlerError 111, Connection refused>
INFO:werkzeug:127.0.0.1 - - [19/May/2016 00:12:01] "POST /api/_eventhooks HTTP/1.1" 201 -
{"_updated": "Thu, 01 Jan 1970 00:00:00 GMT", "_links": {"self": {"href": "_eventhooks/1", "title": "_eventhook"}}, "_created": "Thu, 01 Jan 1970 00:00:00 GMT", "_status": "OK", "_id": 1, "_etag": "39adfe6fc04411791d1ffcae485d6346ade6cd22"}
# w/ `nc -l 1234 >out.txt &` the above event produces this request
$ cat out.txt
POST /ev/_eventhooks/inserted/None HTTP/1.1
Accept-Encoding: identity
Content-Length: 378
Host: localhost:1234
Content-Type: application/json
Connection: close
User-Agent: Python-urllib/2.7
{"_updated": "1970-01-01 00:00:00", "resource": "_eventhooks", "_resource": "_eventhooks", "url": "http://localhost:1234/ev/{_resource}/{_event}/{name}", "_event": "inserted", "method": "POST", "_links": {"self": {"href": "_eventhooks/5", "title": "_eventhook"}}, "_created": "1970-01-01 00:00:00", "_status": "OK", "_id": 5, "_etag": "8bfc014ce3dc39af3eb8688d2b845ca5977f0371"}