Example #1
0
func initAndLock(initsigs bool) *Lock {
	// Lock the current goroutine to the current OS thread, until we have
	// released the GIL (as CPython uses per-thread state)
	runtime.LockOSThread()

	// Initialize the default Python interpreter
	if initsigs {
		C.Py_InitializeEx(1)
	} else {
		C.Py_InitializeEx(0)
	}

	// Enable Python thread support, and then immediately release the GIL (and
	// thus "deativate" and per-thread state associated with the current thread
	C.PyEval_InitThreads()
	C.PyEval_SaveThread()

	// We can now unlock the current goroutine from the current OS thread, as
	// there is no active per-thread state
	runtime.UnlockOSThread()

	// Now that Python is setup, we can return a locked Lock, ready for the
	// calling code to use
	return NewLock()
}
Example #2
0
func InitializeEx(initsigs bool) {
	if initsigs {
		C.Py_InitializeEx(1)
	} else {
		C.Py_InitializeEx(0)
	}
}
Example #3
0
func InitializeEx(initsigs bool) {
	if initsigs {
		panic("Python signal handlers can not be enabled. See https://code.google.com/p/go/issues/detail?id=5287 for details")
	} else {
		C.Py_InitializeEx(0)
	}
}
Example #4
0
func threadInit() (defaultThreadState *C.PyThreadState) {
	initLock.Lock()
	defer initLock.Unlock()

	if !initialized {
		C.Py_InitializeEx(0)
		C.PyEval_InitThreads()
		C.PySys_SetArgvEx(0, nil, 0)

		pyEmptyTuple = C.PyTuple_New(0)
		falseObject = &object{C.False_INCREF()}
		trueObject = &object{C.True_INCREF()}

		defaultThreadState = C.PyEval_SaveThread()

		initialized = true
	}

	return
}