Doug Bell wrote:
FYI, I finaly found the problem. There is a commercial program
(CFDesign, from Blue Ridge Numerics) installed on this PC that uses Qt
and has Qt DLLs in a directory that is included in the PATH. If the
CFDesign directory is renamed, then PyQt works again.
I'm not sure what sequence Windows uses for finding DLLs on the PATH,
but it evidently isn't in the order given in the environment variable.
If you want to know your actual path, just open a "Command prompt" and type:
echo %PATH%
nevertheless, windows is expected to look first into the program working
directory for dlls.
Personally, under windows I open a command line prompt and I run a
previously prepared bat file that sets my environment variables. That
allows me to choose compiler, python version, etc, knowing what I'm doing.
For instance, for python 2.5 I use a bat file containing:
set PATH=C:\Python25;C:\Python25\Scripts;C:\Program
Files\TkDiff;C:\WINDOWS\SYSTEM32
rem "I am going to compile extensions with VS7"
echo "YOU SHOULD BE IN PLATFORM SDK WINDOW"
call "C:\Program Files\Microsoft Platform SDK\setenv.cmd" /XP32 /RETAIL
call C:\environment\vcvars32.bat
set QMAKESPEC=win32-msvc2003
set QTDIR=C:\Qt\qt-win-opensource-src-4.5.3
set PATH=%QTDIR%\lib;%QTDIR%\bin;%PATH%;
set PATH=%PATH%;C:\Program Files\GnuWin32\bin;C:\Program Files\vim\vim64
set PATH=%PATH%;C:\Program Files\UnxUtils\usr\local\wbin
and for python 2.6:
set PATH=C:\Python26;C:\Python26\Scripts;C:\Program
Files\TkDiff;C:\WINDOWS\SYSTEM32
echo "Python 2.6 needs to compile extensions with VS9"
call "C:\Program Files\Microsoft Visual Studio 9.0\VC\vcvarsall.bat" x86
set QMAKESPEC=win32-msvc2008
set QTDIR=C:\Qt\qt-win-opensource-src-4.5.2_py26_VS2008
set PATH=%QTDIR%\lib;%QTDIR%\bin;%PATH%;
set PATH=%PATH%;C:\Program Files\GnuWin32\bin;C:\Program Files\vim\vim64;
Two totally different environments coexisting at the price of having to
start everything from the prompt.
Armando
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