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<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'>I took a look in the class
Model in the module model and I found one difference.<span
style='mso-spacerun:yes'> </span>A part of the code is gone in the
function setSubmodel.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'>Original code:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'>def setSubmodel(self, request=None,
name=None, value=None):<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'>
</span>"""<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'> </span>Set
a submodel on this model. If getSubmodel or lookupSubmodel<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'> </span>ever
return a Deferred, I ought to set this in a place that<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'>
</span>lookupSubmodel/getSubmodel know about, so they can use it as a<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'>
</span>cache.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'>
</span>"""<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'> </span>if
value is None:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'>
</span>warnings.warn("Warning! setSubmodel should now take the request as
the first argument")<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'>
</span>value = name<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'>
</span>name = request<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'>
</span>request = None<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'> </span>if
self.submodelCheck(request, name):<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'>
</span>if self.submodels.has_key(name):<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'>
</span>del self.submodels[name]<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'>
</span>setattr(self, name, value)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'>and here’s the new
code:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'>def setSubmodel(self, request=None,
name=None, value=None):<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'>
</span>"""<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'> </span>Set
a submodel on this model. If getSubmodel or lookupSubmodel<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'> </span>ever
return a Deferred, I ought to set this in a place that<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'>
</span>lookupSubmodel/getSubmodel know about, so they can use it as a<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'>
</span>cache.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'>
</span>"""<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'> </span>if
self.submodelCheck(request, name):<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'>
</span>if self.submodels.has_key(name):<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'>
</span>del self.submodels[name]<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><span
style='mso-spacerun:yes'>
</span>setattr(self, name, value)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'>Now I tried to run my
application and I got this error : <span style='mso-spacerun:yes'> </span></span></font><span
lang=EN-CA style='mso-ansi-language:EN-CA'>exceptions.TypeError: cannot
concatenate 'str' and 'NoneType' objects<o:p></o:p></span></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-CA
style='font-size:12.0pt;mso-ansi-language:EN-CA'>When I add the missing part of
code, everything is alright. <span style='mso-spacerun:yes'> </span>I look
in my own code and I’d never call the function setSubmodel, so I wanna<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-CA
style='font-size:12.0pt;mso-ansi-language:EN-CA'>know if the error is somewhere
else in the twisted code.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-CA
style='font-size:12.0pt;mso-ansi-language:EN-CA'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-CA
style='font-size:12.0pt;mso-ansi-language:EN-CA'>Vicky<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-CA
style='font-size:12.0pt;mso-ansi-language:EN-CA'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-CA'><o:p> </o:p></span></font></p>
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