[ python-Bugs-1263656 ] IDLE on Mac

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Bugs item #1263656, was opened at 2005-08-18 22:35
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Category: IDLE
Group: Python 2.4
Status: Open
Resolution: None
Priority: 5
Submitted By: Bruce Sherwood (bsherwood)
Assigned to: Nobody/Anonymous (nobody)
Summary: IDLE on Mac

Initial Comment:
Copying code from some browsers into IDLE on the Mac
can leave the file with only \r (13) at the ends of
lines (Safari doesn't seem to have this problem). Then
checksyntax() in ScriptBinding.py fails to convert
these into \n (10), and compile() fails. The effect is
that a program which Python is willing to run gets a
syntax error in IDLE. I think the fix is in
checksyntax() to add after

source = re.sub(r"\r\n", "\n", source)

the following statement, which converts unaccompanied
\r's into \n's::

source = re.sub(r"\r", "\n", source)

I've tried this and it works, but someone with a better
overview of end-of-line issues in Python should think
through whether this is the appropriate fix.

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