[issue1475] test_popen fails when the directory contains a space

[Peter Åstrand]

Peter Åstrand added the comment:

>In Python 3.x os.popen is implemented based on subprocess. 

Oh, I see. 

>I believe it's still a problem with subprocess. 

I'm still not convinced of this. Isn't it better to do the quoting
outside subprocess; to let the caller do it? You say that "section 2" is 
our case, but how can we be sure of this: If subprocess is called with
args='"c:\program files\internet explorer\iexplore.exe"', then we have
case 1, right, and surrounding args with another pair of quotes would
mean failure, right?

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