New submission from Peter Landgren <peter.tal...@telia.com>:

This is in Windows.
I got an error message in Logging in my application Gramps.
However, there is an error message generated by by this logging, so the 
original message is never output.
The last line indicate a problem with bytes in certain positions. I was able to 
check it and it is the Swedish character "å".

The logging call is:
...
    except (IOError, OSError), msg:
        msg = unicode(str(msg), sys.getfilesystemencoding())
        LOG.error(_("Could not make database directory: ") + msg)
which results in:
3165: ERROR: clidbman.py: line 335: Kunde inte skapa databasmappen: [Error 3] 
Det går inte att hitta sökväge
n: u'F:\\'

Traceback (most recent call last):
  File "C:\Python26\lib\logging\__init__.py", line 769, in emit
    msg = self.format(record)
  File "C:\Python26\lib\logging\__init__.py", line 649, in format
    return fmt.format(record)
  File "C:\Python26\lib\logging\__init__.py", line 448, in format
    s = s + record.exc_text
UnicodeDecodeError: 'utf8' codec can't decode bytes in position 608-610: 
invalid data
4893: ERROR: gramps.py: line 138: Unhandled exception
Traceback (most recent call last):
  File "C:\Program Files (x86)\gramps\gui\grampsgui.py", line 353, in 
__startgramps
    "Error details: %s %s" % (repr(e), fn), exc_info=True)
  File "C:\Python26\lib\logging\__init__.py", line 1075, in error
    self._log(ERROR, msg, args, **kwargs)
  File "C:\Python26\lib\logging\__init__.py", line 1166, in _log
    self.handle(record)
  File "C:\Python26\lib\logging\__init__.py", line 1176, in handle
    self.callHandlers(record)
  File "C:\Python26\lib\logging\__init__.py", line 1213, in callHandlers
    hdlr.handle(record)
  File "C:\Python26\lib\logging\__init__.py", line 674, in handle
    self.emit(record)
  File "C:\Program Files (x86)\gramps\GrampsLogger\_GtkHandler.py", line 26, in 
emit
    ErrorView(error_detail=self,rotate_handler=self._rotate_handler)
  File "C:\Program Files (x86)\gramps\GrampsLogger\_ErrorView.py", line 39, in 
__init__
    self.draw_window()
  File "C:\Program Files (x86)\gramps\GrampsLogger\_ErrorView.py", line 94, in 
draw_window
    tb_label.get_buffer().set_text(self._error_detail.get_formatted_log())
  File "C:\Program Files (x86)\gramps\GrampsLogger\_GtkHandler.py", line 29, in 
get_formatted_log
    return self.format(self._record)
  File "C:\Python26\lib\logging\__init__.py", line 649, in format
    return fmt.format(record)
  File "C:\Python26\lib\logging\__init__.py", line 448, in format
    s = s + record.exc_text
UnicodeDecodeError: 'utf8' codec can't decode bytes in position 608-610: 
invalid data

If I change line 448 in "C:\Python26\lib\logging\__init__.py" to:
    s = s + unicode(str(record.exc_text), sys.getfilesystemencoding())

I get the correct message:
4523: ERROR: grampsgui.py: line 353: Gramps terminated because of OS Error
Error details: WindowsError(3, 'Det g\xe5r inte att hitta s\xf6kv\xe4gen') 
F:\grdbtest\*.*
Traceback (most recent call last):
  File "C:\Program Files (x86)\gramps\gui\grampsgui.py", line 337, in 
__startgramps
    Gramps(argparser)
  File "C:\Program Files (x86)\gramps\gui\grampsgui.py", line 268, in __init__
    gui=True)
  File "C:\Program Files (x86)\gramps\cli\arghandler.py", line 81, in __init__
    self.dbman = CLIDbManager(self.dbstate)
  File "C:\Program Files (x86)\gramps\cli\clidbman.py", line 100, in __init__
    self._populate_cli()
  File "C:\Program Files (x86)\gramps\cli\clidbman.py", line 175, in 
_populate_cli
    for dpath in os.listdir(dbdir):
WindowsError: [Error 3] Det går inte att hitta sökvägen: u'F:\\grdbtest\\*.*'

(There is a secondary problem with rendering some characers. All strings were 
generated on a Windows system,
but I report using a Linux system.)

----------
components: Library (Lib)
messages: 107208
nosy: PeterL
priority: normal
severity: normal
status: open
title: Error in error message in logging
type: behavior
versions: Python 2.6

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue8924>
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