Begin new storage-abstraction layer.

[cumulus.git] / python / cumulus / store / __init__.py

diff --git a/python/cumulus/store/__init__.py b/python/cumulus/store/__init__.py
new file mode 100644 (file)
index 0000000..5ebf0d7
--- /dev/null
+++ b/python/cumulus/store/__init__.py
@@ -0,0 +1,22 @@
+import re
+
+type_patterns = {
+    'checksums': re.compile(r"^snapshot-(.*)\.(\w+)sums$"),
+    'segments': re.compile(r"^([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})(\.\S+)?$"),
+    'snapshots': re.compile(r"^snapshot-(.*)\.lbs$")
+}
+
+class Store:
+    """Base class for all cumulus storage backends."""
+
+    def list(self, type):
+        raise NotImplementedException
+
+    def get(self, type, name):
+        raise NotImplementedException
+
+    def put(self, type, name, fp):
+        raise NotImplementedException
+
+    def delete(self, type, name):
+        raise NotImplementedException