1 files changed, 46 insertions, 0 deletions
diff --git a/u1db/remote/http_errors.py b/u1db/remote/http_errors.py
new file mode 100644
index 00000000..2039c5b2
--- /dev/null
+++ b/u1db/remote/http_errors.py
@@ -0,0 +1,46 @@
+# Copyright 2011-2012 Canonical Ltd.
+#
+# This file is part of u1db.
+#
+# u1db is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# u1db 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 Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with u1db.  If not, see <http://www.gnu.org/licenses/>.
+
+"""Information about the encoding of errors over HTTP."""
+
+from u1db import (
+    errors,
+    )
+
+
+# error wire descriptions mapping to HTTP status codes
+wire_description_to_status = dict([
+    (errors.InvalidDocId.wire_description, 400),
+    (errors.MissingDocIds.wire_description, 400),
+    (errors.Unauthorized.wire_description, 401),
+    (errors.DocumentTooBig.wire_description, 403),
+    (errors.UserQuotaExceeded.wire_description, 403),
+    (errors.SubscriptionNeeded.wire_description, 403),
+    (errors.DatabaseDoesNotExist.wire_description, 404),
+    (errors.DocumentDoesNotExist.wire_description, 404),
+    (errors.DocumentAlreadyDeleted.wire_description, 404),
+    (errors.RevisionConflict.wire_description, 409),
+    (errors.InvalidGeneration.wire_description, 409),
+    (errors.InvalidTransactionId.wire_description, 409),
+    (errors.Unavailable.wire_description, 503),
+# without matching exception
+    (errors.DOCUMENT_DELETED, 404)
+])
+
+
+ERROR_STATUSES = set(wire_description_to_status.values())
+# 400 included explicitly for tests
+ERROR_STATUSES.add(400)