1 files changed, 24 insertions, 0 deletions
diff --git a/gstudio/url_shortener/__init__.py b/gstudio/url_shortener/__init__.py
new file mode 100644
index 00000000..d334d892
--- /dev/null
+++ b/gstudio/url_shortener/__init__.py
@@ -0,0 +1,24 @@
+"""Url shortener for Gstudio"""
+import warnings
+
+from django.utils.importlib import import_module
+from django.core.exceptions import ImproperlyConfigured
+
+from gstudio.settings import URL_SHORTENER_BACKEND
+from gstudio.url_shortener.backends.default import backend as default_backend
+
+
+def get_url_shortener():
+    """Return the selected url shortener backend"""
+    try:
+        backend_module = import_module(URL_SHORTENER_BACKEND)
+        backend = getattr(backend_module, 'backend')
+    except (ImportError, AttributeError):
+        warnings.warn('%s backend cannot be imported' % URL_SHORTENER_BACKEND,
+                      RuntimeWarning)
+        backend = default_backend
+    except ImproperlyConfigured, e:
+        warnings.warn(str(e), RuntimeWarning)
+        backend = default_backend
+
+    return backend