1 files changed, 40 insertions, 0 deletions

diff --git a/src/mailman_pgp/utils/rest.py b/src/mailman_pgp/utils/rest.py
new file mode 100644
index 0000000..4e31b0c
--- /dev/null
+++ b/src/mailman_pgp/utils/rest.py
@@ -0,0 +1,40 @@
+# Copyright (C) 2017 Jan Jancar
+#
+# This file is a part of the Mailman PGP plugin.
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free
+# Software Foundation, either version 3 of the License, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+# more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+class enumflag_validator:
+    def __init__(self, enum):
+        self.enum = enum
+
+    def __call__(self, value):
+        if isinstance(value, (tuple, list)):
+            result = set()
+            for val in value:
+                result.add(self.enum[val])
+            return result
+
+        return {self.enum[value]}
+
+
+class workflow_validator:
+    def __init__(self, *classes):
+        self.classes = classes
+
+    def __call__(self, value):
+        if value in (workflow.name for workflow in self.classes):
+            return value
+        raise ValueError