fix: cache iiif status response for 300s

and make request timeout after 5s

ckanext/nhm/lib/utils.py

@@ -6,17 +6,22 @@
 
 from ckan.plugins import toolkit
 import requests
+from cachetools import cached, TTLCache
 
 
+@cached(cache=TTLCache(maxsize=1024, ttl=300))
 def get_iiif_status():
- health = {}
+ health = {'ping': False}
 
  url = toolkit.config.get('ckanext.iiif.image_server_url')
- r = requests.get(url + '/status')
- if r.ok:
- health['ping'] = True
- response_json = r.json()
- else:
+ try:
+ r = requests.get(url + '/status', timeout=5)
+ if r.ok:
+ health['ping'] = True
+ response_json = r.json()
+ else:
+ response_json = {}
+ except requests.exceptions.RequestException as e:
  response_json = {}
 
  health['status'] = response_json.get('status')