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Help! Can't get Python syntax highlighting to work
Submitted by kcstrom on Friday, 25 May, 2012 - 12:34
At work, others like to strip off the .py on some python files which wouldn't be a big deal, except they also have '#! python' instead of the more normal pattern of something like '#! /usr/bin/env python'. So I changed the /path/to/my/jedit/settings/catalog file to have a copy/paste of the python file mode from the /path/to/jedit/install/settings/modes/catalog file except I removed '*/' from the FIRST_LINE_GLOB so it would match both the normal and the less normal that is used at my work.

That was great - it now recognizes both file types as python. Unfortunately, I no longer have syntax highlighting for the Python edit mode. I've undone my changes, and updated from Python 4.5.0 to 4.5.1 just to make sure I hadn't modified the original catalog or did something else weird (I'm pretty sure I didn't anyway), but syntax highlighting for Python is still broken.

Please help!
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by Robert Schwenn on Fri, 25/05/2012 - 20:41
Are You saying, that jEdit correctly changes the current edit mode to python when You change from i.e. text file to a python file? But nevertheless syntax highlighting isn't done for python files but for other files it works well?

If 3 times yes, I'd see two points to check:
- Maybe Your python.xml edit mode file isn't correct (maybe invalid xml).
- Maybe Your personal settings are corrupt. Try to start after deleting or renaming Your settings directory.
 
Thanks!
by kcstrom on Tue, 29/05/2012 - 11:38
Thanks for the help Robert! When I renamed my .jedit directory, the highlighting started working. Through a process of elimination, I found it was the combination of the .jedit/modes directory and .jedit/properties file. The properties file has a cache of "mode.python.firstlineGlob=\#\!*python*" in it as well as "mode.python.file=\\.jedit\\modes\\python.xml". I was expecting it to fall back to the installed version of python.xml, but it apparantly doesn't as I copied that from the installation directory into my .jedit/modes directory and it works now.

Thanks again.
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