Edgewall Software

Opened 9 years ago

Last modified 2 years ago

#11538 closed defect

Duplicate options are allowed in sections of trac.ini — at Initial Version

Reported by: Ryan J Ollos Owned by:
Priority: normal Milestone: 1.5.3
Component: general Version:
Severity: normal Keywords: config python3
Cc: Branch:
Release Notes:
API Changes:
Internal Changes:


The sections of trac.ini allow duplicate options, with later values overwriting those that come first. Two patterns are possible, which could lead to confusing behavior when the user doesn't realize there the value is being redefined later in the file:

  1. Duplicate sections with the same option.
    default_handler = WikiModule
    default_handler = TicketModule
  2. Duplicate options within a section.
    default_handler = WikiModule
    default_handler = TicketModule

While Python 3.x has a much improved configparser module with a strict mode that raises an error when an option is redefined, I'm not sure there is much we can do in Python 2.x using ConfigParser.

SO:5396653 suggests using a dict_type that allows multiple values with the same key, however dict_type is only supported in Python 2.6.

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