[Python-Dev] A wart which should have been repaired in 3.0? (original) (raw)
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Mon Dec 29 00:01:52 CET 2008
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Martin> I don't think any change is necessary. os.path.commonprefix
Martin> works just fine on path components:
...Ummm...
>>> os.path.commonprefix(["/export/home", "/etc/passwd"])
'/e'I suppose that's correct given the defined behavior of the function, but it certainly doesn't seem to be very path-like to me.
Martin> Of course, using it that way would require a library function
Martin> that reliably splits a path into components; I think one would
Martin> have to do abspath on arbitrary inputs.See <http://bugs.python.org/issue4755> for what I think is a function with more predictable behavior given that we are discussing paths and not just strings.
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