Seems that the reason is in devstack 'screen' is not started with
Unicode support. Still checking ...
Regards,
Qiming
On Wed, Dec 24, 2014 at 05:48:56PM +0800, Qiming Teng wrote:
> Hi,
>
> When trying to enable stack names in Heat to use unicode strings, I am
> stuck by a weird behavior of logging.
>
> Suppose I have a stack name assigned some non-ASCII string, then when
> stack tries to log something here:
>
> heat/engine/stack.py:
>
> 536 LOG.info(_LI('Stack %(action)s %(status)s (%(name)s): '
> 537 '%(reason)s'),
> 538 {'action': action,
> 539 'status': status,
> 540 'name': self.name, # type(self.name)==unicode here
> 541 'reason': reason})
>
> I'm seeing the following errors from h-eng session:
>
> Traceback (most recent call last):
> File "/usr/lib64/python2.6/logging/__init__.py", line 799, in emit
> stream.write(fs % msg.decode('utf-8'))
> File "/usr/lib64/python2.6/encodings/utf_8.py", line 16, in decode
> return codecs.utf_8_decode(input, errors, True)
> UnicodeEncodeError: 'ascii' codec can't encode characters in position
> 114-115:
> ordinal not in range(128)
>
> This means logging cannot handle Unicode correctly? No. I did the
> following experiments:
>
> $ cat logtest
>
> #!/usr/bin/env python
>
> import sys
>
> from oslo.utils import encodeutils
> from oslo import i18n
>
> from heat.common.i18n import _LI
> from heat.openstack.common import log as logging
>
> i18n.enable_lazy()
>
> LOG = logging.getLogger('logtest')
> logging.setup('heat')
>
> print('sys.stdin.encoding: %s' % sys.stdin.encoding)
> print('sys.getdefaultencoding: %s' % sys.getdefaultencoding())
>
> s = sys.argv[1]
> print('s is: %s' % type(s))
>
> stack_name = encodeutils.safe_decode(unis)
> print('stack_name is: %s' % type(stack_name))
>
> # stack_name is unicode here
> LOG.error(_LI('stack name: %(name)s') % {'name': stack_name})
>
> $ ./logtest <some Chinese here>
>
> [tengqm@node1 heat]$ ./logtest 中文
> sys.stdin.encoding: UTF-8
> sys.getdefaultencoding: ascii
> s is: <type 'str'>
> stack_name is: <type 'unicode'>
> 2014-12-24 17:51:13.799 29194 ERROR logtest [-] stack name: 中文
>
> It worked.
>
> After spending more than one day on this, I'm seeking help from people
> here. What's wrong with Unicode stack names here?
>
> Any hints are appreciated.
>
> Regards,
> - Qiming
>
>
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