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<div class=Section1>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><a
href="http://www.dev102.com/2008/03/22/3-ways-to-run-nunit-from-visual-studio/">http://www.dev102.com/2008/03/22/3-ways-to-run-nunit-from-visual-studio/</a>
has some info about test projects and appbase problems.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>You can also use fuslogvw (<a
href="http://msdn.microsoft.com/en-us/library/e74a18c4(VS.71).aspx)">http://msdn.microsoft.com/en-us/library/e74a18c4(VS.71).aspx)</a>
to see why Microsoft.Scripting.dll is failing to load.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<div>

<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>

<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
users-bounces@lists.ironpython.com [mailto:users-bounces@lists.ironpython.com] <b>On
Behalf Of </b>Dino Viehland<br>
<b>Sent:</b> Tuesday, November 03, 2009 1:52 PM<br>
<b>To:</b> Discussion of IronPython<br>
<b>Subject:</b> Re: [IronPython] Safe execution of python scripts on my .net
application<o:p></o:p></span></p>

</div>

</div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Test projects are weird and somehow you don&#8217;t end up inheriting
the application base.&nbsp; This seems to work though:<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AppDomainSetup
setup = new AppDomainSetup();<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
setup.ApplicationBase = AppDomain.CurrentDomain.BaseDirectory;<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
AppDomain aSandboxedDomain = AppDomain.CreateDomain(&quot;Sandboxed
Domain&quot;, null, setup);<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
ScriptEngine engine = Python.CreateEngine(aSandboxedDomain);<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
ScriptSource source = engine.CreateScriptSourceFromString(&quot;2+2&quot;);<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
ScriptScope scope = engine.CreateScope();<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
Console.WriteLine(source.Execute(scope));<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'>

<div>

<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>

<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
users-bounces@lists.ironpython.com [mailto:users-bounces@lists.ironpython.com] <b>On
Behalf Of </b>Nicolás Buttarelli<br>
<b>Sent:</b> Tuesday, November 03, 2009 1:30 PM<br>
<b>To:</b> Discussion of IronPython<br>
<b>Subject:</b> Re: [IronPython] Safe execution of python scripts on my .net
application<o:p></o:p></span></p>

</div>

</div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>I have create a new &quot;Test Project&quot; and an Unit
Test class in order to test the following code inside:<o:p></o:p></p>

<div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

</div>

<div>

<div>

<p class=MsoNormal>AppDomain aSandboxedDomain = AppDomain.CreateDomain(&quot;Sandboxed
Domain&quot;);<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal>ScriptEngine engine = Python.CreateEngine(aSandboxedDomain);<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal>ScriptSource source =
engine.CreateScriptSourceFromString(pythonScript);<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal>ScriptScope scope = engine.CreateScope();<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal>source.Execute(scope);<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

</div>

<div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

</div>

<p class=MsoNormal>I have add the references:<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

</div>

<div>

<p class=MsoNormal>- IronPython<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal>- Microsoft.Scripting<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal>- Microsoft.ScriptingCore<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

</div>

<div>

<p class=MsoNormal>But it still not working and&nbsp;throwing&nbsp;the
same&nbsp;System.Runtime.Serialization.SerializationException: Type is not
resolved for member
'Microsoft.Scripting.Hosting.ScriptRuntimeSetup,Microsoft.Scripting.<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

</div>

<div>

<p class=MsoNormal>Any ideas?<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

</div>

<div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<div>

<p class=MsoNormal>2009/11/3 Nicolás Buttarelli &lt;<a
href="mailto:nbuttarelli@gmail.com">nbuttarelli@gmail.com</a>&gt;<o:p></o:p></p>

<p class=MsoNormal>Thanks Shri, I will try.<o:p></o:p></p>

<div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

</div>

<div>

<p class=MsoNormal>In addition, I found this open issue:&nbsp;<a
href="http://dlr.codeplex.com/WorkItem/View.aspx?WorkItemId=2816"
target="_blank">http://dlr.codeplex.com/WorkItem/View.aspx?WorkItemId=2816</a>.
I think that it is related.<o:p></o:p></p>

<div>

<div>

<p class=MsoNormal style='margin-bottom:12.0pt'><o:p>&nbsp;</o:p></p>

<div>

<p class=MsoNormal>On Tue, Nov 3, 2009 at 9:29 PM, Shri Borde &lt;<a
href="mailto:Shri.Borde@microsoft.com" target="_blank">Shri.Borde@microsoft.com</a>&gt;
wrote:<o:p></o:p></p>

<div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'>I think this happens if the new
appdomain cannot load the required assembly. By default, the new appdomain
should inherit its BaseDirectory property from the creating domain and should
be able to load Microsoft.Scripting.dll. Is your exe and all the dlls in the
same folder? If not, can you try to put all assemblies in the same folder (or
in the GAC) to see if it works? If that works, you can then figure out how to
configure the new appdomain such that it can load Microsoft.Scripting.dll.
There may be some setting in AppDomainSetup, or you could hook the
AssemblyResolve event&#8230;</span><o:p></o:p></p>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'>&nbsp;</span><o:p></o:p></p>

<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span
style='font-size:10.0pt'>From:</span></b><span style='font-size:10.0pt'> <a
href="mailto:users-bounces@lists.ironpython.com" target="_blank">users-bounces@lists.ironpython.com</a>
[mailto:<a href="mailto:users-bounces@lists.ironpython.com" target="_blank">users-bounces@lists.ironpython.com</a>]
<b>On Behalf Of </b>Nicolás Buttarelli<br>
<b>Sent:</b> Tuesday, November 03, 2009 12:08 PM</span><o:p></o:p></p>

<div>

<div>

<p class=MsoNormal><br>
<b>To:</b> Discussion of IronPython<br>
<b>Subject:</b> Re: [IronPython] Safe execution of python scripts on my .net
application<o:p></o:p></p>

</div>

</div>

</div>

<div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p></p>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi
again, thanks for your clear response.<o:p></o:p></p>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I
was trying to do what you&nbsp;proposed&nbsp;but it is not working. I am
receiving an exception:<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><i>Test
method CadworX3WCFRestTest.IronPython.SafeScriptExecutionTest.writingAFileTest
threw exception: &nbsp;System.Runtime.Serialization.SerializationException:
Type is not resolved for member
'Microsoft.Scripting.Hosting.ScriptRuntimeSetup,Microsoft.Scripting,
Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'..</i><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I
tried to find a solution but I couldn't. This is the minimal code that I am
running to get this exception (I have removed all the security stuff but
apparently that does not resolve the problem):<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p></p>

</div>

<div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><i>AppDomain
aSandboxedDomain = AppDomain.CreateDomain(&quot;Sandboxed Domain&quot;);</i><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><i>ScriptEngine
engine = Python.CreateEngine(aSandboxedDomain);</i><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><i>ScriptSource
source = engine.CreateScriptSourceFromString(pythonScript);</i><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><i>SriptScope
scope = engine.CreateScope();</i><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><i>source.Execute(scope);</i><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>The
exception is&nbsp;thronged in this line:&nbsp;<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><i>ScriptEngine
engine = Python.CreateEngine(aSandboxedDomain);</i><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Do
you have any idea which could be the problem?<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thanks
again,<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Nicolas<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On
Mon, Nov 2, 2009 at 10:25 PM, Dino Viehland &lt;<a
href="mailto:dinov@microsoft.com" target="_blank">dinov@microsoft.com</a>&gt;
wrote:<o:p></o:p></p>

<div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'>Assuming the app domain is setup
properly then there&#8217;s no way for the Python code to elevate permissions (modulo
CLR security bugs which are few and far between).&nbsp; This is because
IronPython its self is 100% security transparent and does not affect any security
decisions or assert any form of trust &#8211; so it&#8217;s all up to the CLR to limit
permissions.&nbsp; So for example while you can access the file object, or
import ctypes, or call various other Python APIs which would require trust
you&#8217;ll get a security exception from the CLR when you don&#8217;t have permissions to
do something.</span><o:p></o:p></p>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'>&nbsp;</span><o:p></o:p></p>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'>For more complex scenarios you might
also have an object model which you expose to the application and inject in via
its scope.&nbsp; Once you&#8217;ve done that you&#8217;ll want to make sure that the object
model is also secure.</span><o:p></o:p></p>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'>&nbsp;</span><o:p></o:p></p>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'>&nbsp;</span><o:p></o:p></p>

<div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'>

<div>

<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span
style='font-size:10.0pt'>From:</span></b><span style='font-size:10.0pt'> <a
href="mailto:users-bounces@lists.ironpython.com" target="_blank">users-bounces@lists.ironpython.com</a>
[mailto:<a href="mailto:users-bounces@lists.ironpython.com" target="_blank">users-bounces@lists.ironpython.com</a>]
<b>On Behalf Of </b>Nicolás Buttarelli<br>
<b>Sent:</b> Monday, November 02, 2009 1:20 PM<br>
<b>To:</b> Discussion of IronPython<br>
<b>Subject:</b> Re: [IronPython] Safe execution of python scripts on my .net
application</span><o:p></o:p></p>

</div>

</div>

<div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p></p>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thanks
for your response.<o:p></o:p></p>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>But
what happens with the python code? Does not exist a&nbsp;way to write some
scripts that can do some damage to my app, the server, the database, etc?<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thanks
again,<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Nicolas<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p></p>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On
Mon, Nov 2, 2009 at 9:41 PM, Dino Viehland &lt;<a
href="mailto:dinov@microsoft.com" target="_blank">dinov@microsoft.com</a>&gt;
wrote:<o:p></o:p></p>

<div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'>After creating your app domain you can
do:</span><o:p></o:p></p>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'>&nbsp;</span><o:p></o:p></p>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'>ScriptEngine engine =
Python.CreateEngine(someAppDomain);</span><o:p></o:p></p>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'>&nbsp;</span><o:p></o:p></p>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'>And then the rest of your code should
work as it&#8217;s written.</span><o:p></o:p></p>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'>&nbsp;</span><o:p></o:p></p>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'>&nbsp;</span><o:p></o:p></p>

<div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'>

<div>

<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span
style='font-size:10.0pt'>From:</span></b><span style='font-size:10.0pt'> <a
href="mailto:users-bounces@lists.ironpython.com" target="_blank">users-bounces@lists.ironpython.com</a>
[mailto:<a href="mailto:users-bounces@lists.ironpython.com" target="_blank">users-bounces@lists.ironpython.com</a>]
<b>On Behalf Of </b>Nicolás Buttarelli<br>
<b>Sent:</b> Monday, November 02, 2009 12:39 PM<br>
<b>To:</b> <a href="mailto:users@lists.ironpython.com" target="_blank">users@lists.ironpython.com</a><br>
<b>Subject:</b> [IronPython] Safe execution of python scripts on my .net
application</span><o:p></o:p></p>

</div>

</div>

<div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p></p>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>Sorry, I don't know if my previous message have
arrived. So, here it is:</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>&nbsp;</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>&nbsp;</span><o:p></o:p></p>

</div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>Hello all,</span><o:p></o:p></p>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>&nbsp;</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>I am starting with python and I would like to add to
my web application some web services. This services will allow the different
clients of my application to execute some python scripts.&nbsp;</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>&nbsp;</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>I would like to know if someone did this before and
how can I do this in a secure way. I mean, how can I do to restrict the
environment where the scripts will be executed.&nbsp;</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>&nbsp;</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>In .net I can do this using the AppDoman and setting
the permission set.</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>&nbsp;</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Courier New";color:#333333'>AppDomain.CreateDomain(&nbsp;</span><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>string</span><span
style='font-size:10.0pt;font-family:"Courier New";color:#333333'>&nbsp;friendlyName,<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Evidence
securityInfo,<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AppDomainSetup
info,<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PermissionSet
grantSet,<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span
style='font-size:10.0pt;font-family:"Courier New";color:blue'>params</span><span
style='font-size:10.0pt;font-family:"Courier New";color:#333333'>&nbsp;StrongName[]
fullTrustAssemblies);</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>&nbsp;</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>&nbsp;</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>Is there a way to do the same with my python
scripts?&nbsp;</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>&nbsp;</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>I am running them using this:</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>&nbsp;</span><o:p></o:p></p>

</div>

<div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>ScriptEngine engine = Python.CreateEngine();</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>ScriptSource source =
engine.CreateScriptSourceFromString(scriptAsString);</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>ScriptScope scope = engine.CreateScope();</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>source.Execute(scope);</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>&nbsp;</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>Thanks in advance.</span><o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt'>Nicolas</span><o:p></o:p></p>

</div>

</div>

</div>

</div>

</div>

</div>

</div>

<p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><br>
_______________________________________________<br>
Users mailing list<br>
<a href="mailto:Users@lists.ironpython.com" target="_blank">Users@lists.ironpython.com</a><br>
<a href="http://lists.ironpython.com/listinfo.cgi/users-ironpython.com"
target="_blank">http://lists.ironpython.com/listinfo.cgi/users-ironpython.com</a><o:p></o:p></p>

</div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p></p>

</div>

</div>

</div>

</div>

</div>

</div>

<p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><br>
_______________________________________________<br>
Users mailing list<br>
<a href="mailto:Users@lists.ironpython.com" target="_blank">Users@lists.ironpython.com</a><br>
<a href="http://lists.ironpython.com/listinfo.cgi/users-ironpython.com"
target="_blank">http://lists.ironpython.com/listinfo.cgi/users-ironpython.com</a><o:p></o:p></p>

</div>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p></o:p></p>

</div>

</div>

</div>

</div>

</div>

<p class=MsoNormal style='margin-bottom:12.0pt'><br>
_______________________________________________<br>
Users mailing list<br>
<a href="mailto:Users@lists.ironpython.com" target="_blank">Users@lists.ironpython.com</a><br>
<a href="http://lists.ironpython.com/listinfo.cgi/users-ironpython.com"
target="_blank">http://lists.ironpython.com/listinfo.cgi/users-ironpython.com</a><o:p></o:p></p>

</div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

</div>

</div>

</div>

</div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

</div>

</div>

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