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<p class=MsoNormal><span lang=EN-US>Hello there,<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>I’ve spent one hour or two tracking a
stealthy bug.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Running a file .py that call wxipython
works well under windows.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Running the same file but as .pyw (no console
output) make the program including wxipython crash.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>I’ve traced the bug inside 10 files
and finally I’ve found the bug. <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>In pyreadline there is this line:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Pyreadline/unicode_helper.py:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>try:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>
pyreadline_codepage=sys.stdout.encoding<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>except
AttributeError: #This error occurs
when pdb imports readline and doctest has replaced <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>
#stdout with stdout collector<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>
pyreadline_codepage="ascii" #assume ascii codepage<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>…<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:35.4pt'><span lang=EN-US>return
text.decode(pyreadline_codepage, "replace")<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:35.4pt'><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>The problem is that with myprog.py:
sys.stdout.encoding = cpxxx (835 or 12??)<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>With myprog.pyw sys.stdout.encoding = None
(!)<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>And the return crash…<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Forcing ‘ascii’ solve the
problem.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Must this be patched upstream in pyreadline?
with:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>try:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>
pyreadline_codepage=sys.stdout.encoding<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US> if pyreadline_codepage
is none:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US> pyreadline_codepage=”ascii”<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>except
AttributeError: #This error occurs
when pdb imports readline and doctest has replaced <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>
#stdout with stdout collector<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>
pyreadline_codepage="ascii" #assume ascii codepage<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>or should I patch the behavior in my
widget????<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Cheers,<o:p></o:p></span></p>
<p class=MsoNormal>Laurent<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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