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Excerpt from discussion on ipython-dev:
This problem is with master 9e2a3f4, calling %run with parameters that have quotation marks keep the marks in sys.argv.
In : %run runbug.py "hello world"
[u'runbug.py', u'"hello world"']
This is unique to Windows, somehow.
As far as I can tell it is due to shlex that is called from arg_split. When on posix shlex is called with posix=True which removes the quotation marks, but on windows we get posix=False which keeps them. If we call shlex with posix=True on windows we get messed up handling of \ in paths since posix means \ is used for escaping.
Perhaps one solution could be to strip " from elements returned by arg_split when they are present in both ends, any other ideas?
It is really annoying to not be able to use " from run, unfortunately there are often spaces in windows paths.
In my arg_parse branch I have a first stab at a fix. I will try to use this myself for a while to see if any unforseen issues come up. Then I'll write some tests.
@jstenar, has this been fixed? I'd like to close it if so. If not, do you have your branch around with the fixes, so we can merge it? Thanks!
I do not remember when, but a simple fix for this has gone in already. However quoting only works on the first argument to %run and not for arbitrary arguments.
Running a script that prints argv:
In : %run "space test.py" "testing quoted arguments"
['space test.py', '"testing quoted arguments"']
Closed by PR #1064.