Move registry to separate file.

django_components/component.py

@@ -1,24 +1,4 @@
-class AlreadyRegistered(Exception):
+from .component_registry import ComponentRegistry, AlreadyRegistered, NotRegistered  # NOQA
-    pass
-
-class NotRegistered(Exception):
-    pass
-
-class ComponentRegistry(object):
-    def __init__(self):
-        self._registry = {}  # component name -> component_class mapping
-
-    def register(self, name=None, component=None):
-        if name in self._registry:
-            raise AlreadyRegistered('The component "%s" is already registered' % name)
-
-        self._registry[name] = component
-
-    def unregister(self, name):
-        if name not in self._registry:
-            raise NotRegistered('The component "%s" is not registered' % name)
-
-        del self._registry[name]
 
 # This variable represents the global component registry
 registry = ComponentRegistry()

django_components/component_registry.py

@@ -0,0 +1,21 @@
+class AlreadyRegistered(Exception):
+    pass
+
+class NotRegistered(Exception):
+    pass
+
+class ComponentRegistry(object):
+    def __init__(self):
+        self._registry = {}  # component name -> component_class mapping
+
+    def register(self, name=None, component=None):
+        if name in self._registry:
+            raise AlreadyRegistered('The component "%s" is already registered' % name)
+
+        self._registry[name] = component
+
+    def unregister(self, name):
+        if name not in self._registry:
+            raise NotRegistered('The component "%s" is not registered' % name)
+
+        del self._registry[name]