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| Date | Fri, 1 May 2015 18:13:29 +1000 |
| Subject | Re: Rewriting to Python 3 |
| From | Chris Angelico <rosuav@gmail.com> |
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On Fri, May 1, 2015 at 5:22 PM, Cecil Westerhof <Cecil@decebal.nl> wrote:
> On my system I have:
> PARSER_RE_STR = '/(%s)=' % '|'.join(DN_LUT.keys() + DN_LUT.values())
> in:
> /usr/lib/python3.4/site-packages/ndg/httpsclient/ssl_peer_verification.py
>
> In Python 3 that gives:
> TypeError: unsupported operand type(s) for +: 'dict_keys' and 'dict_values'
>
> How should I rewrite this?
The keys() and values() methods used to return lists, now they return
views. If you explicitly listify them, it should work; alternatively,
pipe-join each one separately and then pipe-join the result:
PARSER_RE_STR = '/(%s|%s)=' % ('|'.join(DN_LUT.keys()),
'|'.join(DN_LUT.values()))
Note that this is slightly different from the above; in the case of an
empty dict, the original produces empty parentheses, but my
alternative will place a junk pipe in there.
ChrisA
Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
Rewriting to Python 3 Cecil Westerhof <Cecil@decebal.nl> - 2015-05-01 09:22 +0200
Re: Rewriting to Python 3 Ben Finney <ben+python@benfinney.id.au> - 2015-05-01 17:56 +1000
Re: Rewriting to Python 3 Peter Otten <__peter__@web.de> - 2015-05-01 10:09 +0200
Re: Rewriting to Python 3 Chris Angelico <rosuav@gmail.com> - 2015-05-01 18:13 +1000
Re: Rewriting to Python 3 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-01 09:10 +0100
Re: Rewriting to Python 3 Cecil Westerhof <Cecil@decebal.nl> - 2015-05-01 16:41 +0200
Re: Rewriting to Python 3 Cecil Westerhof <Cecil@decebal.nl> - 2015-05-01 16:52 +0200
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