added admin interface to rebuild bloom filter

app/handlers/admin/url_sha1_bloom.py

@@ -0,0 +1,20 @@
+from emend import Edit
+from emend.model.edit import get_url_sha1_bloom
+
+def get(handler, response):
+  if not handler.is_admin():
+    return handler.not_found(status=403)
+  query = Edit.all()
+  bloom = get_url_sha1_bloom()
+  bloom.reset()
+  count = 0
+  while 1:
+    edits = query.fetch(1000)
+    if not edits:
+      break
+    count += len(edits)
+    for edit in edits:
+      bloom.add(edit.url_sha1)
+    query = Edit.all().with_cursor(query.cursor())
+  bloom.put()
+  response.count = count

app/routes.yaml

@@ -1,3 +1,6 @@
+-
+  - /admin/url_sha1_bloom
+  - handlers.admin.url_sha1_bloom
 -
   - /iphone
   - handlers.iphone