Add a basic Component class.

django_components/component.py

@@ -1,4 +1,16 @@
 from .component_registry import ComponentRegistry, AlreadyRegistered, NotRegistered  # NOQA
 
+class Component(object):
+    def __init__(self):
+        self._media = self.Media()
+
+    def context(self):
+        return {}
+
+    class Media:
+        template = None
+        css = {}
+        js = ()
+
 # This variable represents the global component registry
 registry = ComponentRegistry()

tests/test_component.py

@@ -0,0 +1,14 @@
+import unittest
+from django_components import component
+
+class ComponentRegistryTest(unittest.TestCase):
+    def test_simple_component(self):
+        class MyComponent(component.Component):
+            pass
+
+        comp = MyComponent()
+
+        self.assertEqual(comp.context(), {})
+        self.assertEqual(comp._media.template, None)
+        self.assertEqual(comp._media.css, {})
+        self.assertEqual(comp._media.js, ())