Move request to background task

netbox/utilities/background_tasks.py

@@ -0,0 +1,40 @@
+import logging
+
+import requests
+from cacheops import cache
+from django.conf import settings
+from django_rq import job
+from packaging import version
+
+# Get an instance of a logger
+logger = logging.getLogger(__name__)
+
+
+@job
+def get_releases(pre_releases=False):
+    url = '{}/releases'.format(settings.UPDATE_REPO_URL)
+    headers = {
+        'Accept': 'application/vnd.github.v3+json',
+    }
+
+    releases = []
+
+    # noinspection PyBroadException
+    try:
+        response = requests.get(url, headers=headers)
+        for release in response.json():
+            if 'tag_name' not in release:
+                continue
+
+            if not pre_releases and (release.get('is_devrelease') or release.get('is_prerelease')):
+                continue
+
+            releases.append((version.parse(release['tag_name']), release.get('html_url')))
+    except Exception:
+        logger.exception("Error while fetching {}".format(url))
+        return []
+
+    logger.debug("Found NetBox releases {}".format([str(release) for release, url in releases]))
+
+    cache.set('netbox_releases', releases, settings.UPDATE_CACHE_TIMEOUT)
+    return releases