1 files changed, 70 insertions, 0 deletions
diff --git a/common/src/leap/soledad/common/errors.py b/common/src/leap/soledad/common/errors.py
new file mode 100644
index 00000000..7c2d7296
--- /dev/null
+++ b/common/src/leap/soledad/common/errors.py
@@ -0,0 +1,70 @@
+# -*- coding: utf-8 -*-
+# errors.py
+# Copyright (C) 2013 LEAP
+#
+# 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/>.
+
+
+"""
+Soledad errors.
+"""
+
+
+from u1db import errors
+from u1db.remote import http_errors
+
+
+#
+# LockResource: a lock based on a document in the shared database.
+#
+
+class InvalidTokenError(errors.U1DBError):
+    """
+    Exception raised when trying to unlock shared database with invalid token.
+    """
+
+    wire_description = "unlock unauthorized"
+    status = 401
+
+
+class NotLockedError(errors.U1DBError):
+    """
+    Exception raised when trying to unlock shared database when it is not
+    locked.
+    """
+
+    wire_description = "lock not found"
+    status = 404
+
+
+class AlreadyLockedError(errors.U1DBError):
+    """
+    Exception raised when trying to lock shared database but it is already
+    locked.
+    """
+
+    wire_description = "lock is locked"
+    status = 403
+
+# update u1db "wire description to status" and "wire description to exception"
+# maps.
+for e in [InvalidTokenError, NotLockedError, AlreadyLockedError]:
+    http_errors.wire_description_to_status.update({
+        e.wire_description: e.status})
+    errors.wire_description_to_exc.update({
+        e.wire_description: e})
+
+# u1db error statuses also have to be updated
+http_errors.ERROR_STATUSES = set(
+    http_errors.wire_description_to_status.values())