Cannot use Winpdb (or PyDev) to trace embedded Python script in MSVC++ application - ImportError: No module named _socket

[Nir]

Can you check another hypothesis?

I currently do not have a Python installation to verify this but if my
memory does not fail me there is a DLL library somewhere under c:
\python25 and _socket might be there as well. Copy any DLLs you find
there to the same folder as your embedded interpreter DLL and see if
the problem is resolved.

Nir


On Jun 6, 11:25 am, Chris8B... at gmail.com wrote:
> On Jun 6, 1:13 am, Nir <nir1... at gmail.com> wrote:
>
>
>
> > You seem to be having a problem with the import path of the embedded
> > interpreter. I suppose the embedded interpreter includes some modules
> > in a particular folder and _socket is not one of them. For the sake of
> > debugging try adding the c:\python25\lib path to the sys.path variable
> > of the interpreter before attempting to import rpdb2.
>
> > Does this work?
>
> > Nir
>
> > On Jun 5, 2:52 pm, Chris8B... at gmail.com wrote:
>
> > > I am embedding Python in a MSVC++ (2005) application. The application
> > > creates some environment and then launches a Python script that will
> > > call some functions exported from the MSVC++ application.
>
> > > I want to be able to debug the Python script by using a debug server,
> > > likeWinpdb(winpdb.org).
>
> > > I use ActivePython 2.5.2.2, Microsoft Visual Studio 2005, andWinpdb
> > > 1.3.8.
>
> > > When I launch a script like "e:>python test.py" everything is O'K and
> > > I can useWinpdbto trace/debug.
>
> > > When I run the same script from the MSVC++ application, there is
> > > always a complain "ImportError: No module named _socket".
>
> > > Here is the basic test script I use:
>
> > > def Process( something ):
> > >     print "\n\nStarted debugging\n=================\n"
> > >     #pydevd.settrace()
> > >     import rpdb2; rpdb2.start_embedded_debugger("1")
> > >     print "\n\nStopped debugging\n=================\n"
>
> > > if __name__ == '__main__':
> > >     Process( "test" )
> > > <<<
>
> > > In the MSVC++ application I tried many approaches, as suggested by
> > > many people, and all of them work to launch the script, but none of
> > > them works withWinpdb(or PyDev for Eclipse - same problem). Just for
> > > completeness - here is one:
>
> > >   PyRun_SimpleString("import sys");
> > >   PyRun_SimpleString("import os");
> > >   PyRun_SimpleString( "fullpath = os.path.abspath(\"E:/Test.py\")" );
> > >   PyRun_SimpleString( "g = globals().copy()" );
> > >   PyRun_SimpleString( "g['__file__'] = fullpath");
> > >   PyRun_SimpleString( "execfile(fullpath, g) ");
> > > <<<
>
> > > If I use pdb (import pdb + pdb.runcall(something) ) everything works
> > > fine, but I need the performance and convinience ofWinpdb.
>
> > > What am I doing wrong?
>
> > > Your help is highly appreciated!
>
> > > Best regards,
> > > Chris
>
> Nir,
>
> > Does this work?
>
> Unfortunately, not.
>
> I did some experiments to check the sys.path hypothesis:
>
> - In my MSVC++ application I did PyRun_SimpleString("import cgi"); -
> it complained about missing _socket.
>
> - Did PyRun_SimpleString("print sys.path") to get the sys.path as seen
> from within the application environment (that does not find _socket)
>
> - Did the same in "test.py" and ran ...>Python test.py to get the
> sys.path for the environment that _does_ find _socket
>
> - Compared the two - the working environment had two more paths:
>
>       C:\\WINDOWS\\system32\\python25.zip
>       C:\\Python25\\lib\\plat-win
>
> - Added the missing path to the embedded environment:
>
>   PyRun_SimpleString("import sys");
>   PyRun_SimpleString("import os");
>
>   PyRun_SimpleString("sys.path.append(\"C:\\WINDOWS\\system32\
> \python25.zip\")");
>   PyRun_SimpleString("sys.path.append(\"C:\\Python25\\lib\\plat-win
> \")");
>
>   PyRun_SimpleString("print sys.path");
>
>   PyRun_SimpleString("import cgi");
>
> Not all paths that are in the working environment are present in the
> embedded environment, but still there is a problem:
>
> Traceback (most recent call last):
>   File "<string>", line 1, in <module>
>   File "C:\Python25\Lib\cgi.py", line 40, in <module>
>     import urllib
>   File "c:\Python25\lib\urllib.py", line 26, in <module>
>     import socket
>   File "c:\Python25\lib\socket.py", line 45, in <module>
>     import _socket
> ImportError: No module named _socket
>
> Chris