Using shelve based db for sso and session db.

Author: rohe

src/oidcendpoint/shelve_db.py

@@ -0,0 +1,30 @@
+import shelve
+
+
+class ShelveDataBase(object):
+    def __init__(self, filename, flag='c', protocol=None, writeback=False):
+        self.db = shelve.open(filename=filename, flag=flag, protocol=protocol, writeback=writeback)
+
+    def __contains__(self, key):
+        if key in self.db:
+            return True
+        else:
+            return False
+
+    def set(self, key, value):
+        self.db[key] = value
+
+    def get(self, key, default=None):
+        try:
+            return self.db[key]
+        except KeyError:
+            return default
+
+    def delete(self, key):
+        try:
+            del self.db[key]
+        except KeyError:
+            return
+
+    def keys(self):
+        return self.db.keys()