1 files changed, 67 insertions, 0 deletions

diff --git a/src/mailman_pgp/config/validator.py b/src/mailman_pgp/config/validator.py
new file mode 100644
index 0000000..a232e0e
--- /dev/null
+++ b/src/mailman_pgp/config/validator.py
@@ -0,0 +1,67 @@
+# 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/>.
+
+""""""
+import re
+from configparser import ConfigParser
+from mailman.utilities.modules import find_name
+import builtins
+
+class ConfigValidator:
+    """"""
+
+    def __init__(self, schema):
+        self.schema = ConfigParser()
+        self.schema.read_string(schema)
+
+    def validate(self, cfg):
+        """
+
+        :param cfg:
+        :type cfg: ConfigParser
+        """
+        for section in self.schema.sections():
+            assert cfg.has_section(section)
+            for option in self.schema.options(section):
+                assert cfg.has_option(section, option)
+                self._check_option(cfg.get(section, option),
+                                   self.schema.get(section, option))
+
+    def _check_option(self, value, schema):
+        call = None
+        try:
+            call = getattr(builtins, schema)
+        except:
+            try:
+                call = find_name(schema)
+            except:
+                try:
+                    def call(value):
+                        match = re.search(schema, value)
+                        if match is None:
+                            raise ValueError
+                        return match
+                except:
+                    pass
+
+        if call is None:
+            raise ValueError
+        else:
+            return call(value)
+
+
+