[Python.NET] Setting PYTHONPATH from code

Benjamin Aranguren benaranguren at gmail.com
Sun Feb 27 17:08:26 CET 2011


On Wed, Feb 23, 2011 at 5:37 AM, Sharon Rozenblum <
Sharon.Rozenblum at sandisk.com> wrote:

> Hi!
>
>
>
> Trying to do as you said:
>
>
>
>             string script = "import sys\nsys.path.insert(0, '" + modulePath + "')";
>
> Have you tried using a semi colon instead of new line?
            string script = "import sys; sys.path.insert(0, '"
 + modulePath + "')";

>             IntPtr pythonLock = PythonEngine.AcquireLock();
>
>             PythonEngine.RunSimpleString(script);
>             PythonEngine.ReleaseLock(pythonLock);
>
>
>
> And then:
>
>             IntPtr gs = PythonEngine.AcquireLock();
>
>             pyportal = PythonEngine.ImportModule(moduleName);
>             if (pyportal == null)
>             {
>
>>
>                             }
>
>>
>
>
> I got Null value from the ImportModule.
>
>
>
> When setting the PYTHONPATH manually in the system variables with the
> “modulePath” and opening the VS is works.
>
>
>
> Any idea?
>
>
>
> Thanks,
>
>
>
> SAHRON
>
>
>
>
>
> *From:* Oleksii Bidiuk [mailto:oleksii.bidiuk at gmail.com]
> *Sent:* Thursday, February 10, 2011 2:21 PM
> *To:* Sharon Rozenblum
> *Cc:* pythondotnet at python.org
> *Subject:* Re: [Python.NET] Setting PYTHONPATH from code
>
>
>
> Hi Sharon,
>
>
>
> What do you want to achieve with this? If you want to provide path for
> loading your own modules you can change the sys.path value by e.g. running a
> 'initialization' script with
>
>
>
> import sys
>
> sys.path.insert(0, 'your/own/path')
>
>
>
> You can build up the script above in C# by inserting the path you need and
> then performing e.g. RunSimpleString(<script>) like
>
>
>
> string script = "import sys\nsys.path.insert(0, '" + <variable_with_path> +
> "')");
>
> IntPtr pythonLock = AcquireLock();
>
> RunSimpleString(script);
> ReleaseLock(pythonLock);
>
>
>
> Does this help?
>
>
>
> 2011/2/10 Sharon Rozenblum <Sharon.Rozenblum at sandisk.com>
>
> Hi!
>
>
>
> Can someone tell me how to set PYTHONPATH variable in code when working
> with Python.Runtime.dll without changing the value in the system variables
> before.
>
>
>
> Thanks
>
>
>
> SHARON
>
>
>
>
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> --
> oleksii
>
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