Create top level Django url config and utilities

federation/django/urls.py

@@ -0,0 +1,6 @@
+from django.conf.urls import url
+from django.urls import include
+
+urlpatterns = [
+    url(r'', include("federation.hostmeta.django.urls")),
+]

federation/utils/django.py

@@ -0,0 +1,34 @@
+import importlib
+
+from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
+
+
+def get_configuration():
+    """
+    Combine defaults with the Django configuration.
+    """
+    configuration = {
+        "hcard_path": "/hcard/users/",
+        "nodeinfo2_function": None,
+        "search_path": None,
+    }
+    configuration.update(settings.FEDERATION)
+    if not all([
+        "get_profile_function" in configuration,
+        "base_url" in configuration,
+    ]):
+        raise ImproperlyConfigured("Missing required FEDERATION settings, please check documentation.")
+    return configuration
+
+
+def get_function_from_config(item):
+    """
+    Import the function to get profile by handle.
+    """
+    config = get_configuration()
+    func_path = config.get(item)
+    module_path, func_name = func_path.rsplit(".", 1)
+    module = importlib.import_module(module_path)
+    func = getattr(module, func_name)
+    return func