Exemple #1
0
// Size returns the number of elements in the list l.  This is equivalent to the
// Python "len(l)".
func (l *List) Size() int64 {
	ret := C.PyList_Size(c(l))
	if ret < 0 {
		panic(exception())
	}
	return int64(ret)
}
Exemple #2
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// decodeMapping translates a Python object to a Go map.
func decodeMapping(pyMapping *C.PyObject) (mapping map[interface{}]interface{}, err error) {
	mapping = make(map[interface{}]interface{})

	pyItems := C.Mapping_Items(pyMapping)
	if pyItems == nil {
		err = getError()
		return
	}

	length := int(C.PyList_Size(pyItems))

	for i := 0; i < length; i++ {
		pyPair := C.PyList_GetItem(pyItems, C.Py_ssize_t(i))

		var (
			key   interface{}
			value interface{}
		)

		if key, err = decode(C.PyTuple_GetItem(pyPair, 0)); err != nil {
			return
		}

		if value, err = decode(C.PyTuple_GetItem(pyPair, 1)); err != nil {
			return
		}

		mapping[key] = value
	}

	return
}
Exemple #3
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func pyObjToInterface(o *C.PyObject) interface{} {
	if C.myPyString_Check(o) != 0 {
		return C.GoStringN(C.PyString_AsString(o), C.int(C.PyString_Size(o)))
	} else if C.myPyInt_Check(o) != 0 {
		return int64(C.PyInt_AsLong(o))
	} else if C.myPyDict_Check(o) != 0 {
		v := make(map[interface{}]interface{})
		items := C.PyDict_Items(o)
		for i := 0; i < int(C.PyList_Size(items)); i++ {
			item := C.PyList_GetItem(items, C.Py_ssize_t(i))
			key := C.PyTuple_GetItem(item, 0)
			value := C.PyTuple_GetItem(item, 1)
			v[pyObjToInterface(key)] = pyObjToInterface(value)
		}
		C.Py_DecRef(items)
		return v
	}
	return nil
}
//export createThreadCallback
func createThreadCallback(pid *C.pthread_t) {
	runtime.LockOSThread()
	defer runtime.UnlockOSThread()

	_gstate := C.start_thread()

	_cb, _r, _w, _ok := callbacks.Get(pid)
	defer callbacks.Delete(pid)

	if !_ok {
		panic(fmt.Errorf("failed to found thread callback for `%v`", pid))
	}

	// TODO: add special headers for WSGI.
	_environ := GenerateEnviron(_r)

	_response := C.run_wsgi_application(_environ)

	// parse header
	for i := 0; i < int(C.PyList_Size(_response.headers)); i++ {
		_h := C.PyList_GetItem(_response.headers, C.Py_ssize_t(i))
		_k := C.PyTuple_GetItem(_h, C.Py_ssize_t(0))
		_v := C.PyTuple_GetItem(_h, C.Py_ssize_t(1))
		_w.Header().Set(
			PyString_AsString(_k),
			PyString_AsString(_v),
		)
	}

	_body := C.GoString(_response.body)

	if len(_body) < 1 {
		panic(fmt.Errorf("failed to import python wsgi module."))
	}
	C.end_thread(_gstate)

	// write body
	_w.WriteHeader(int(_response.status))
	_w.Write([]byte(_body))

	_cb()
}
func wsgi_callback(r *http.Request, w http.ResponseWriter) {
	_environ := upgrade_header_to_wsgi(r)

	_body_request, _ := ioutil.ReadAll(r.Body)
	_body_c := C.CString(string(_body_request))
	defer C.free(unsafe.Pointer(_body_c))

	_response := C.run_wsgi_application(_body_c, _environ)
	defer func() {
		C.Py_DecRef(_response.body)
		C.Py_DecRef(_response.headers)
		C.Py_DecRef(_response.error)
	}()
	if _response.headers == nil || int(_response.status) == 0 {
		w.WriteHeader(500)
		log_wsgi.Error("failed to run python wsgi module.")
		return
	}

	// parse header
	for i := 0; i < int(C.PyList_Size(_response.headers)); i++ {
		_h := C.PyList_GetItem(_response.headers, C.Py_ssize_t(i))
		_k := C.PyTuple_GetItem(_h, C.Py_ssize_t(0))
		_v := C.PyTuple_GetItem(_h, C.Py_ssize_t(1))
		w.Header().Set(
			PyString_AsString(_k),
			PyString_AsString(_v),
		)
	}

	// write body
	w.WriteHeader(int(_response.status))
	if _response.body == nil {
		return
	}
	write_response_body(w, _response.body)
}
Exemple #6
0
// Py_ssize_t PyList_Size(PyObject *list)
// Return the length of the list object in list; this is equivalent to len(list) on a list object.
//
// Changed in version 2.5: This function returned an int. This might require changes in your code for properly supporting 64-bit systems.
func PyList_Size(self *PyObject) int {
	return int(C.PyList_Size(topy(self)))
}