Bugs item #745097, was opened at 2003-05-28 19:54
Message generated for change (Comment added) made by jjlee
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Category: Python Library
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Jack Jansen (jackjansen)
Assigned to: Nobody/Anonymous (nobody)
Summary: urllib2 doesn't handle urls without scheme
Initial Comment:
urllib2.urlopen does not handle URLs without a scheme, so the
following code will not work:
url = urllib.pathname2url('/etc/passwd')
urllib2.urlopen(url)
The same code does work with urllib.urlopen.
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Comment By: John J Lee (jjlee)
Date: 2005-05-22 13:25
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That sounds like a feature request to me, not a bug.
I agree it's desirable to have a better pathname2url (I haven't
submitted one partly because I'm scared of getting it wrong!).
I disagree that it should be a method, since OpenerDirector has
no knowledge of base URL (and urllib2.Request or the response
class also seem like the wrong places for that method: the URLs
they have aren't always the URL you want to use as the base
URL). It would be nice to have a couple of functions
urlparse.urlfrompathname(pathname) and
urlparse.absurlfrompathname(pathname, baseurl) (better
names / places for those, anyone?).
Or you could resubmit this as a bug in urllib for allowing relative
URLs without knowing the base URL ;-)
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Comment By: Jack Jansen (jackjansen)
Date: 2005-05-20 00:53
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I'm not convinced it isn't a bug. I agree that the URL '/etc/passwd' isn't
always a file: url, but I think that in that case urllib2 should get its own
pathname2url() method that returns urls with the file: prefix.
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Comment By: John J Lee (jjlee)
Date: 2005-05-19 21:24
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Could somebody close this?
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Comment By: John J Lee (jjlee)
Date: 2003-11-30 23:24
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Is it wise to allow this? Maybe it's unlikely to cause bugs, but
"/etc/passwd" could refer to any URI scheme, not only file:.
Since it seems reasonable to only allow absolute URLs, I think
it's a bad idea to guess the scheme is file: when given a
relative URL.
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