Modules list-tool

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From	Gisle Vanem <gvanem@broadpark.no>
To	Python-list <python-list@python.org>
Subject	Modules list-tool
Date	Tue, 21 May 2013 21:35:46 +0200
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Are anyone aware of a tool that can show me at run-time
which modules (pyd/dll) are loaded into a Python program 
at a specific time (or over time)?

To clarify, e.g. when running a sample from PyQt4
(examples\tutorials\addressbook\part1.pyw) and using Process Explorer [1],
I can launch WinDbg from it and get this list of modules:
....

ModLoad: 1d000000 1d00a000   G:\ProgramFiler\Python27\python.EXE
ModLoad: 7c900000 7c9b1000   F:\WINDOWS\system32\ntdll.dll
ModLoad: 7c800000 7c8f7000   F:\WINDOWS\system32\kernel32.dll
ModLoad: 1e000000 1e261000   f:\windows\system32\python27.dll
ModLoad: 7e410000 7e4a1000   F:\WINDOWS\system32\USER32.dll
ModLoad: 77f10000 77f59000   F:\WINDOWS\system32\GDI32.dll
ModLoad: 77dc0000 77e6a000   F:\WINDOWS\system32\ADVAPI32.dll
ModLoad: 77e70000 77f03000   F:\WINDOWS\system32\RPCRT4.dll
ModLoad: 77fe0000 77ff1000   F:\WINDOWS\system32\Secur32.dll
ModLoad: 7c9c0000 7d1d8000   F:\WINDOWS\system32\SHELL32.dll
ModLoad: 77c00000 77c58000   F:\WINDOWS\system32\msvcrt.dll
ModLoad: 77f60000 77fd6000   F:\WINDOWS\system32\SHLWAPI.dll
ModLoad: 78520000 785c3000   f:\windows\WinSxS\x86_Microsoft.VC90.CRT_1fc8b3b9a1e18e3b_9.0.30729.6161_x-ww_31a54e43\MSVCR90.dll
ModLoad: 76370000 7638d000   f:\windows\system32\IMM32.DLL
ModLoad: 62f20000 62f29000   f:\windows\system32\LPK.DLL
ModLoad: 75420000 7548b000   f:\windows\system32\USP10.dll
ModLoad: 773c0000 774c3000 
f:\windows\WinSxS\x86_Microsoft.Windows.Common-Controls_6595b64144ccf1df_6.0.2600.6028_x-ww_61e65202\comctl32.dll
ModLoad: 5d5d0000 5d66a000   F:\WINDOWS\system32\comctl32.dll
ModLoad: 78aa0000 78b5f000   f:\windows\system32\MSVCR100.dll
ModLoad: 00d90000 00f29000   g:\ProgramFiler\Python27\lib\site-packages\PyQt4\QtCore.pyd
ModLoad: 67000000 67260000   g:\ProgramFiler\Python27\lib\site-packages\PyQt4\QtCore4.dll
ModLoad: 774d0000 7760e000   F:\WINDOWS\system32\ole32.dll
ModLoad: 71aa0000 71ab7000   f:\windows\system32\WS2_32.dll
ModLoad: 71a90000 71a98000   f:\windows\system32\WS2HELP.dll
ModLoad: 78480000 7850e000   f:\windows\WinSxS\x86_Microsoft.VC90.CRT_1fc8b3b9a1e18e3b_9.0.30729.6161_x-ww_31a54e43\MSVCP90.dll
ModLoad: 00a60000 00a73000   g:\ProgramFiler\Python27\lib\site-packages\sip.pyd
ModLoad: 011f0000 0177f000   g:\ProgramFiler\Python27\lib\site-packages\PyQt4\QtGui.pyd
ModLoad: 65000000 657c4000   g:\ProgramFiler\Python27\lib\site-packages\PyQt4\QtGui4.dll
...

-------------

My example may be mooth since part1.pyw above (when I enter
the debugger) is just waiting for events. The stack of pythonw.exe 
as shown in Process Explorer:
...
ntdll.dll!ZwWaitForMultipleObjects+0xc
kernel32.dll!WaitForMultipleObjectsEx+0x12c
USER32.dll!RealMsgWaitForMultipleObjectsEx+0x13e
QtCore4.dll!QEventDispatcherWin32::processEvents+0x3c3
ntdll.dll!RtlAcquirePebLock+0x28

Is there a tool that can do something similar? (written in Python maybe?). 
But a bit simpler to use than my current method. Just launch it from the 
command-line; something like "pyXX part1.pyw <more args>"

[1] http://technet.microsoft.com/en-gb/sysinternals/bb896653

--gv

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Modules list-tool Gisle Vanem <gvanem@broadpark.no> - 2013-05-21 21:35 +0200

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