Mercurial Repository: p/roundup/code: roundup/cgi/MultiMapping.py comparison

New CGI interface support

author	Richard Jones <richard@users.sourceforge.net>
date	Fri, 30 Aug 2002 08:28:44 +0000
parents
children	53c600091f17

comparison

equal deleted inserted replaced

-:a3a8ac7b8c40
+:55ab0c5b49f9
+import operator
+class MultiMapping:
+def __init__(self, *stores):
+self.stores = list(stores)
+def __getitem__(self, key):
+for store in self.stores:
+if store.has_key(key):
+return store[key]
+raise KeyError, key
+_marker = []
+def get(self, key, default=_marker):
+for store in self.stores:
+if store.has_key(key):
+return store[key]
+if default is self._marker:
+raise KeyError, key
+return default
+def __len__(self):
+return reduce(operator.add, [len(x) for x in stores], 0)
+def push(self, store):
+self.stores.append(store)
+def pop(self):
+return self.stores.pop()

Mercurial > p > roundup > code