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<div class=Section1>
<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 have a problem with
deferred. <span style='mso-spacerun:yes'> </span>I have a wmfactory that
return the results of a sql query but sometimes it occurs that the result is an
sql-exception error because it’s an insert query and sometimes the data
are already in the database. When this kind of error occurs, the page is not
render and I got an error.<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'>Here’s what I talking
about:<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'>class MessagePage(pages.BasePage):<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>templateDirectory = str(os.sep).join([pages.BasePage().templateDirectory])<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>templateFile = "message.html"<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>def initialize(self,
theDeferred=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># theDeferred is the results of an sql query of an other page but at the
stage of deferred<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>self.theDeferred
= theDeferred<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><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>def wmfactory_theDeferred(self,
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>return self.theDeferred<span style='mso-spacerun:yes'>
</span>#here’s where the error occurs.<span
style='mso-spacerun:yes'> </span>When the sql queries is ok everything is
fine but when it’s an sql exception it breaks<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>def wvupdate_message(self,
request, widget, data):<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>print data<span style='mso-spacerun:yes'> </span># I don’t
want to just print the data (self.deferred) but it’s a test to see what’s
the problem<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'>My template:<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'><html><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'><span style='mso-tab-count:
1'> </span><head><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'><span style='mso-tab-count:
1'> </span></head><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'><span style='mso-tab-count:
1'> </span><body><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'><span style='mso-tab-count:
1'> </span><span
style='mso-tab-count:1'> </span><br
/><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'><span style='mso-tab-count:
1'> </span><span
style='mso-tab-count:1'> </span><br
/><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'><span style='mso-tab-count:
1'> </span><span
style='mso-tab-count:1'> </span>ALLO<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'><span style='mso-tab-count:
1'> </span><span
style='mso-tab-count:1'> </span><div
model="theDeferred" view="message"><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'><span style='mso-tab-count:
1'> </span><span
style='mso-tab-count:1'> </span></div><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'><span style='mso-tab-count:
1'> </span></body><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'></html><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'>The error I got when it’s
an sql exception:<o:p></o:p></span></font></p>
<p class=error><b><font size=3 color=red face=Verdana><span lang=EN-CA
style='font-size:12.0pt;mso-ansi-language:EN-CA'>_mysql_exceptions.IntegrityError:
(1062, "Duplicate entry '12345' for key 2")<o:p></o:p></span></font></b></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'>how can I avoid this error?<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>
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