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<font size="-1"><font face="Arial">OK. So, I think I get the how, but
I don't understand the why. If I execute a python file using
PythonEngine.Execute(), why doesn't it just do the right thing? Why do
I have to instruct the embedded engine to behave like the CPython
implementation. Why doesn't it just do it?</font></font><font size="-1"><font
face="Arial"><br>
</font></font><br>
Shri Borde wrote:
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<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">pythonEngine.Execute(“print
__name__”) is exactly
the same as doing pythonEngine.Execute(“print __name__”,
pythonEngine.DefaultModule). The issue is that the name of
pythonEngine.DefaultModule
is not “__main__”. Also, it is not published in sys.modules since its
upto the host to determine which modules are published and which are
not.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">So
you would need to do the following for it to print “__main__”.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">bool
shouldPublishMainModule; // You get to chose what this
value should be. It should probably be true for “__main__”.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">EngineModule
mainModule = pythonEngine.CreateModule(“__main__”,
shouldPublishMainModule);<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">pythonEngine.Execute(“print
__name__”, <b>mainModule</b>)<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<div>
<div
style="border-style: solid none none; border-color: rgb(145, 192, 255) -moz-use-text-color -moz-use-text-color; border-width: 1pt medium medium; padding: 3pt 0in 0in;">
<p class="MsoNormal"><b><span
style="font-size: 9pt; font-family: "Segoe UI","sans-serif"; color: windowtext;">From:</span></b><span
style="font-size: 9pt; font-family: "Segoe UI","sans-serif"; color: windowtext;">
<a class="moz-txt-link-abbreviated" href="mailto:users-bounces@lists.ironpython.com">users-bounces@lists.ironpython.com</a>
[<a class="moz-txt-link-freetext" href="mailto:users-bounces@lists.ironpython.com">mailto:users-bounces@lists.ironpython.com</a>] <b>On Behalf Of </b>Dino
Viehland<br>
<b>Sent:</b> Wednesday, August 30, 2006 8:49 AM<br>
<b>To:</b> Discussion of IronPython<br>
<b>Subject:</b> Re: [IronPython] if __name__ == '__main__' broken in
RC2?<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">We
haven’t had any other reports of issues like this so
we’ll need some more details.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">Are
you creating a module named __main__ ? (the console
creates an engine named __main__, but if you’re using the engine
directly
we never create a __main__ module for you). How is it not evaluating
properly? Are we thinking we’re in main or not in main? <o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<div>
<div
style="border-style: solid none none; border-color: rgb(181, 196, 223) -moz-use-text-color -moz-use-text-color; border-width: 1pt medium medium; padding: 3pt 0in 0in;">
<p class="MsoNormal"><b><span
style="font-size: 9pt; font-family: "Segoe UI","sans-serif"; color: windowtext;">From:</span></b><span
style="font-size: 9pt; font-family: "Segoe UI","sans-serif"; color: windowtext;">
<a class="moz-txt-link-abbreviated" href="mailto:users-bounces@lists.ironpython.com">users-bounces@lists.ironpython.com</a>
[<a class="moz-txt-link-freetext" href="mailto:users-bounces@lists.ironpython.com">mailto:users-bounces@lists.ironpython.com</a>] <b>On Behalf Of </b>Jesse
Wiles<br>
<b>Sent:</b> Wednesday, August 30, 2006 7:51 AM<br>
<b>To:</b> Discussion of IronPython<br>
<b>Subject:</b> [IronPython] if __name__ == '__main__' broken in RC2?<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom: 12pt;"><span
style="font-size: 10pt; font-family: "Helvetica","sans-serif";">Hi,<br>
<br>
I'm running into a problem where if __name__ == '__main__' is not
evaluating
properly when using PythonEngine from my assembly. Is this a known
issue?<br>
<br>
Thanks,<br>
Jesse Wiles</span><o:p></o:p></p>
</div>
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