Horizon Middleware¶

The main Horizon middleware class. Required for use of Horizon.

process_exception(request, exception)[source]¶

Catches internal Horizon exception classes.

Exception classes such as NotAuthorized, NotFound and Http302 are caught and handles them gracefully.

Middleware to output operation log.

This log can includes information below:

• domain name
• domain id
• project name
• project id
• user name
• user id
• request scheme
• referer url
• request url
• message
• method
• http status
• request parameters

and log format is defined in OPERATION_LOG_OPTIONS.

process_exception(request, exception)[source]¶

Log error info when exception occurred.