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fixing embedding Python multithread problems

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qianlifeng
2013-12-25 19:26:58 +08:00
parent 94cd2c0599
commit db18b0f8e2
5 changed files with 33 additions and 26 deletions
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27
PyWinAlfred/Main.cpp
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@@ -1,14 +1,30 @@
#include <tchar.h>
#include "Python.h"
extern "C" __declspec(dllexport) void InitPythonEnv()
{
}
extern "C" __declspec(dllexport) char* ExecPython(char* directory, char* file, char* query)
{
try{
PyObject *pName, *pModule, *pDict, *pFunc, *pValue, *pClass, *pInstance ;
PyObject *pName, *pModule, *pDict, *pFunc, *pValue, *pClass, *pInstance;
// Initialize the Python Interpreter
// Initialise the Python interpreter
Py_Initialize();
// Create GIL/enable threads
PyEval_InitThreads();
PyGILState_STATE gstate = PyGILState_Ensure();
// // Get the default thread state
// PyThreadState* state = PyThreadState_Get();
// // Once in each thread
//PyThreadState* stateForNewThread = PyThreadState_New(state->interp);
//PyEval_RestoreThread(stateForNewThread);
// Build the name object
PyObject *sys = PyImport_ImportModule("sys");
PyObject *path = PyObject_GetAttrString(sys, "path");
@@ -37,10 +53,13 @@ extern "C" __declspec(dllexport) char* ExecPython(char* directory, char* file, c
// Call a method of the class with two parameters
pValue = PyObject_CallMethod(pInstance,"query", "(s)",query);
char * str_ret = PyString_AsString(pValue);
char * str_ret = PyString_AsString(pValue);
PyGILState_Release(gstate);
//PyEval_SaveThread();
// Finish the Python Interpreter
Py_Finalize();
//Py_Finalize();
return str_ret;
}