[pywin32-checkins] pywin32/Pythonwin Win32uiHostGlue.h,1.7,1.8

[<mha...@us...>]

Update of /cvsroot/pywin32/pywin32/Pythonwin
In directory sc8-pr-cvs1:/tmp/cvs-serv29301

Modified Files:
	Win32uiHostGlue.h 
Log Message:
Also look for a Python DLL in the executable directory, which just happens
to be the Python directory.  This means we work for non-Admin installs


Index: Win32uiHostGlue.h
===================================================================
RCS file: /cvsroot/pywin32/pywin32/Pythonwin/Win32uiHostGlue.h,v
retrieving revision 1.7
retrieving revision 1.8
diff -C2 -d -r1.7 -r1.8
*** Win32uiHostGlue.h	4 Aug 2000 04:44:45 -0000	1.7
--- Win32uiHostGlue.h	7 Jul 2003 14:09:40 -0000	1.8
***************
*** 112,137 ****
  	char *szWinui_Name = "win32ui.pyd";
  #endif
  	HMODULE hModWin32ui = LoadLibrary(szWinui_Name);
  	if (hModWin32ui==NULL) {
! 		char buf[256];
! 		sprintf(buf,"The application can not locate %s (%d)\n", szWinui_Name, GetLastError()); 
! 		int len = strlen(buf);
! 		int bufLeft = sizeof(buf) - len;
! 		FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, GetLastError(), 
! 			MAKELANGID(LANG_NEUTRAL,SUBLANG_NEUTRAL), buf+len, bufLeft, NULL);
! 		AfxMessageBox(buf);
! 		return FALSE;
  	}
! 	HMODULE hModCore = NULL;
! 	for (int i=15;i<40;i++) {
! 		char fname[20];
! #ifdef _DEBUG
! 		wsprintf(fname, "Python%d_d.dll", i);
! #else
! 		wsprintf(fname, "Python%d.dll", i);
! #endif
! 		hModCore = GetModuleHandle(fname);
! 		if (hModCore)
! 			break;
  	}
  	if (hModCore==NULL) {
--- 112,171 ----
  	char *szWinui_Name = "win32ui.pyd";
  #endif
+ 	// god damn - this all should die.
+ 	// The problem is finding the correct Python.
+ 	// If we can get win32ui loaded, we can get the version from that.
+ 	// Otherwise, we can try and find a Python.dll in the current directory.
+ 	// Otherwise we give up in disgust.
+ 	// (A brutal search trying a LoadLibrary on *all* Pythons we find is very
+ 	// unlikely to come up with the right one.
+ 	HMODULE hModCore = NULL;
+ 	int i;
  	HMODULE hModWin32ui = LoadLibrary(szWinui_Name);
  	if (hModWin32ui==NULL) {
! 		// don't give up now - try a local Python.
! 		for (i=15;i<40;i++) {
! 			char fname[MAX_PATH*2];
! 			strcpy(fname, "\0");
! 			GetModuleFileName(NULL, fname, sizeof(fname));
! 			char *p = fname + strlen(fname);
! 			while (p>fname && *p != '\\')
! 				p--;
! 			if (p>fname) {
! 				char pyname[20];
! 	#ifdef _DEBUG
! 				wsprintf(pyname, "Python%d_d.dll", i);
! 	#else
! 				wsprintf(pyname, "Python%d.dll", i);
! 	#endif
! 				strcpy(p+1, pyname);
! 				hModCore = LoadLibrary(fname);
! 				if (hModCore)
! 					break;
! 			}
! 		}
! 		if (!hModCore) {
! 			// No Python, no win32ui :(
! 			char buf[256];
! 			sprintf(buf,"The application can not locate %s (or Python) (%d)\n", szWinui_Name, GetLastError()); 
! 			int len = strlen(buf);
! 			int bufLeft = sizeof(buf) - len;
! 			FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, GetLastError(), 
! 				MAKELANGID(LANG_NEUTRAL,SUBLANG_NEUTRAL), buf+len, bufLeft, NULL);
! 			AfxMessageBox(buf);
! 			return FALSE;
! 		}
  	}
! 	if (!hModCore) {
! 		for (i=15;i<40;i++) {
! 			char fname[20];
! 	#ifdef _DEBUG
! 			wsprintf(fname, "Python%d_d.dll", i);
! 	#else
! 			wsprintf(fname, "Python%d.dll", i);
! 	#endif
! 			hModCore = GetModuleHandle(fname);
! 			if (hModCore)
! 				break;
! 		}
  	}
  	if (hModCore==NULL) {
***************
*** 139,143 ****
  		return FALSE;
  	}
- 
  	// Now the modules are loaded, call the Python init functions.
  	int (__cdecl *pfnIsInit)(void);
--- 173,176 ----
***************
*** 155,158 ****
--- 188,201 ----
  	if (pfnPyInit && bShouldInitPython) {
  		(*pfnPyInit)();
+ 	}
+ 
+ 	if (!hModWin32ui) { // sigh - try and import it
+ 		int (__cdecl *pfnPyRun_SimpleString)(const char *);
+ 		pfnPyRun_SimpleString = (int (__cdecl *)(const char *))GetProcAddress(hModCore, "PyRun_SimpleString");
+ 		if (pfnPyRun_SimpleString)
+ 			pfnPyRun_SimpleString("import win32ui");
+ 		hModWin32ui = GetModuleHandle(szWinui_Name);
+ 		if (!hModWin32ui)
+ 			AfxMessageBox("Still can't get my hands on win32ui");
  	}