Off global Python and PyQt4-Sip install if not already in the system.

git-svn-id: http://svn.osgeo.org/qgis/branches/Release-0_9_0@7278 c8812cc2-4d05-0410-92ff-de0c093fc19c

win_build/python.nsh

@@ -11,21 +11,40 @@ ReadRegStr $9 HKEY_LOCAL_MACHINE "SOFTWARE\Python\PythonCore\2.5\InstallPath" ""
 IfFileExists $9\python.exe ok ng
 
 ng:
-   MessageBox MB_OK "Python is not installed on this system.$\nPlease install Python2.5 first."
-   goto pythonskip
+   MessageBox MB_OK "Python is not installed on this system.$\nUsing bundled python25.dll"
+   SetOutPath "$INSTDIR"
+   File "C:\Program Files\qgis${PRODUCT_VERSION_NUMBER}\pydep\python25.dll"
+   goto sipng
 ok:
    MessageBox MB_OK "Python located $9"
 
-IfFileExists $9\Lib\site-packages\PyQt4 pyqtok pyqtng
+testsip:
+  IfFileExists $9\Lib\site-packages\sip.pyd sipok sipng
+sipok:
+  goto testpyqt4
+
+sipng:
+  #copy over included sip
+  SetOutPath "$INSTDIR\python"
+  File "C:\Program Files\qgis${PRODUCT_VERSION_NUMBER}\pydep\sipconfig.py"
+  File "C:\Program Files\qgis${PRODUCT_VERSION_NUMBER}\pydep\sip.pyd"
+  goto pyqtng
+
+testpyqt4:
+  IfFileExists $9\Lib\site-packages\PyQt4 pyqtok pyqtng
 
 pyqtng:
-  MessageBox MB_OK "PyQt4 is not installed.$\nPlease install PyQt4 first."
+  MessageBox MB_OK "PyQt4 is not installed.$\nInstalling Bundled PyQt4"
 #copy over bundled pyqt4 instead of skipping
-  goto pythonskip
+  goto installpyqt4
 pyqtok:
   MessageBox MB_OK "PyQt4 located.$\nNote: Overwriting with included copy."
-  SetOutPath "$9\Lib\site-packages\"
-  File /r    "C:\Program Files\qgis${PRODUCT_VERSION_NUMBER}\PyQt4"
+
+installpyqt4:
+  SetOutPath "$INSTDIR\python"
+  File /r    "C:\Program Files\qgis${PRODUCT_VERSION_NUMBER}\pydep\PyQt4"
+pymacroend:
+
 !macroend
 
 !endif