[ python-Bugs-860101 ] python-mode.el colorizing is broken in emacs21

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Bugs item #860101, was opened at 2003-12-14 18:41
Message generated for change (Comment added) made by montanaro
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Category: Demos and Tools
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Jeff Bowden (offense)
Assigned to: Nobody/Anonymous (nobody)
Summary: python-mode.el colorizing is broken in emacs21

Initial Comment:
Something in the syntax detection is screwed up big
time.  The problem is that keywords are being
highlighted in the middle of identifiers.   For example
in the line:

            os.rmdir(path)

"dir" receives the keyword color and everything else is
left default.

python version: 2.3.2
emacs version:  21.3
OS: Debian/Unstable


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>Comment By: Skip Montanaro (montanaro)
Date: 2003-12-17 10:21

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Works for me (see attached).

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Comment By: Jeff Bowden (offense)
Date: 2003-12-17 00:49

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That change does fix the problem however I think it goes too
far because now variables which might mask builtins are not
highlighted.  Oh well, at least it's not as distraction as
before.

Here's a weird thing.  The version of python-mode.el in the
debian python-elisp package is 4.40 whereas the one in the
python2.3 source package is 4.35.  Both the binary
python-elisp and the python2.3 source claim to be version
2.3.2.91.


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Comment By: Skip Montanaro (montanaro)
Date: 2003-12-15 12:07

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Please try changing the lines which use kw3 to define a font-lock 
pattern to

     ;; builtins when they don't appear as object attributes
     (cons (concat "\(\b\|[.]\)\(" kw3 "\)\b[ \n\t(]") 2)

and let me know if that works for you.  (The goal is to highlight 
variables which might shadow builtins.)


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Comment By: Skip Montanaro (montanaro)
Date: 2003-12-15 11:40

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Known problem.  I inserted the incorrect change to the python-
mode source.  I wasn't aware it had been incorporated into the 
version of python-mode.el distributed with Python.


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Comment By: Michael Hudson (mwh)
Date: 2003-12-15 04:29

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a) this should probably be submitted to the python-mode project.
b) at first blush, this looks more likely to be a local
config problem... 'dir' isn't a python keyword, for one thing.

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