Bugs item #1467929, was opened at 2006-04-10 12:39
Message generated for change (Comment added) made by hdiwan650
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Category: Python Interpreter Core
Group: Python 2.5
Status: Open
Resolution: None
Priority: 5
Submitted By: M.-A. Lemburg (lemburg)
Assigned to: Nobody/Anonymous (nobody)
Summary: %-formatting and dicts
Initial Comment:
This looks like a bug in the way the %-formatting code
works or is it a feature ?
>>> '%s %(a)s' % {'a': 'xyz'}
"{'a': 'xyz'} xyz"
>>> u'%s %(a)s' % {'a': 'xyz'}
u"{'a': 'xyz'} xyz"
Note that both strings and Unicode are affected.
Python 2.3 and 2.4 also show this behavior.
I would have expected an exception or the %-formatter
simply ignoring the first %s.
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Comment By: Hasan Diwan (hdiwan650)
Date: 2006-04-14 01:33
Message:
Logged In: YES
user_id=1185570
It looks as though it's a feature... The first %s will print
the whole dictionary as a string, the second, only that
value looked up by the key.
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