Merge master

infrastructure/lambda/task_queue_manager/redis/exceptions.py

@@ -0,0 +1,82 @@
+"Core exceptions raised by the Redis client"
+
+
+class RedisError(Exception):
+    pass
+
+
+class ConnectionError(RedisError):
+    pass
+
+
+class TimeoutError(RedisError):
+    pass
+
+
+class AuthenticationError(ConnectionError):
+    pass
+
+
+class BusyLoadingError(ConnectionError):
+    pass
+
+
+class InvalidResponse(RedisError):
+    pass
+
+
+class ResponseError(RedisError):
+    pass
+
+
+class DataError(RedisError):
+    pass
+
+
+class PubSubError(RedisError):
+    pass
+
+
+class WatchError(RedisError):
+    pass
+
+
+class NoScriptError(ResponseError):
+    pass
+
+
+class ExecAbortError(ResponseError):
+    pass
+
+
+class ReadOnlyError(ResponseError):
+    pass
+
+
+class NoPermissionError(ResponseError):
+    pass
+
+
+class LockError(RedisError, ValueError):
+    "Errors acquiring or releasing a lock"
+    # NOTE: For backwards compatability, this class derives from ValueError.
+    # This was originally chosen to behave like threading.Lock.
+    pass
+
+
+class LockNotOwnedError(LockError):
+    "Error trying to extend or release a lock that is (no longer) owned"
+    pass
+
+
+class ChildDeadlockedError(Exception):
+    "Error indicating that a child process is deadlocked after a fork()"
+    pass
+
+
+class AuthenticationWrongNumberOfArgsError(ResponseError):
+    """
+    An error to indicate that the wrong number of args
+    were sent to the AUTH command
+    """
+    pass