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domruf
lock: fix encoding error when Mercurial emits a localized warning with the Kallithea "repository locked" message

Mercurial use (utf8) encoded localized messages. Things failed when it tried to
convert the encoded Mercurial format string to unicode so it could insert
Kallithea's unicode (but ascii compatible) "repository locked" exception
string.

That could for example be reproduced by running the (manual) vcs test
test_push_on_locked_repo_by_other_user_hg with environment LANG=de_DE for the
server side.

To fix this, make sure the "repository locked" message is encoded so Mercurial
handles it correctly.
.. _debugging:

===================
Debugging Kallithea
===================

If you encounter problems with Kallithea, here are some instructions
on how to debug them.

.. note:: First make sure you're using the latest version available.


Enable detailed debug
---------------------

Kallithea uses the standard Python ``logging`` module to log its output.
By default only loggers with ``INFO`` level are displayed. To enable full output
change ``level = DEBUG`` for all logging handlers in the currently used .ini file.
This change will allow you to see much more detailed output in the log file or
console. This generally helps a lot to track issues.


Enable interactive debug mode
-----------------------------

To enable interactive debug mode simply comment out ``set debug = false`` in
the .ini file. This will trigger an interactive debugger each time
there is an error in the browser, or send a http link if an error occurred in the backend. This
is a great tool for fast debugging as you get a handy Python console right
in the web view.

.. warning:: NEVER ENABLE THIS ON PRODUCTION! The interactive console
             can be a serious security threat to your system.