1 files changed, 40 insertions, 0 deletions
diff --git a/scss/extension/api.py b/scss/extension/api.py
new file mode 100644
index 0000000..396b296
--- /dev/null
+++ b/scss/extension/api.py
@@ -0,0 +1,40 @@
+"""Support for extending the Sass compiler."""
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+
+class Extension(object):
+    """An extension to the Sass compile process.  Subclass to add your own
+    behavior.
+
+    Methods are hooks, called by the compiler at certain points.  Each
+    extension is considered in the order it's provided.
+    """
+
+    # TODO unsure how this could work given that we'd have to load modules for
+    # it to be available
+    name = None
+    """A unique name for this extension, which will allow it to be referenced
+    from the command line.
+    """
+
+    namespace = None
+    """An optional :class:`scss.namespace.Namespace` that will be injected into
+    the compiler.
+    """
+
+    def __init__(self):
+        pass
+
+    def before_import(self):
+        pass
+
+
+class NamespaceAdapterExtension(Extension):
+    """Trivial wrapper that adapts a bare :class:`scss.namespace.Namespace`
+    into a full extension.
+    """
+
+    def __init__(self, namespace):
+        self.namespace = namespace