func interfaceToPyObj(o interface{}) *C.PyObject {
switch o.(type) {
case int:
return C.PyInt_FromLong(C.long(o.(int)))
case int64:
return C.PyInt_FromLong(C.long(o.(int64)))
case string:
strvalue := C.CString(o.(string))
defer C.free(unsafe.Pointer(strvalue))
return C.PyString_FromStringAndSize(strvalue, C.Py_ssize_t(len(o.(string))))
case map[interface{}]interface{}:
dict := C.PyDict_New()
for key, value := range o.(map[interface{}]interface{}) {
dictAddItem(dict, key, value)
}
return dict
case map[string]string:
dict := C.PyDict_New()
for key, value := range o.(map[string]string) {
dictAddItem(dict, key, value)
}
return dict
case map[string]interface{}:
dict := C.PyDict_New()
for key, value := range o.(map[string]interface{}) {
dictAddItem(dict, key, value)
}
return dict
default:
return C.PyNone()
}
}
func PickleLoads(data []byte) interface{} {
pickleLock.Lock()
if initialized == 0 {
pickleInit()
}
str := C.PyString_FromStringAndSize((*C.char)(unsafe.Pointer(&data[0])), C.Py_ssize_t(len(data)))
obj := C.PyObject_CallFunction1(pickleLoads, str)
v := pyObjToInterface(obj)
C.Py_DecRef(obj)
C.Py_DecRef(str)
pickleLock.Unlock()
return v
}
func PickleLoads(data string) interface{} {
pickle_lock.Lock()
_pickle_init()
datastr := C.CString(data)
str := C.PyString_FromStringAndSize(datastr, C.Py_ssize_t(len(data)))
C.free(unsafe.Pointer(datastr))
obj := C.PyObject_CallFunction1(pickle_loads, str)
v := pyObjToInterface(obj)
C.Py_DecRef(obj)
C.Py_DecRef(str)
pickle_lock.Unlock()
return v
}
// PyObject* PyString_FromStringAndSize(const char *v, Py_ssize_t len)
// Return value: New reference.
// Return a new string object with a copy of the string v as value and length len on success, and NULL on failure. If v is NULL, the contents of the string are uninitialized.
//
// Changed in version 2.5: This function used an int type for len. This might require changes in your code for properly supporting 64-bit systems.
func PyString_FromStringAndSize(v string, sz int) *PyObject {
cstr := C.CString(v)
defer C.free(unsafe.Pointer(cstr))
return togo(C.PyString_FromStringAndSize(cstr, C.Py_ssize_t(sz)))
}
// encode translates a Go value (or a wrapped Python object) to a Python
// object.
func encode(x interface{}) (pyValue *C.PyObject, err error) {
if x == nil {
pyValue = C.None_INCREF()
return
}
switch value := x.(type) {
case bool:
var i C.long
if value {
i = 1
}
pyValue = C.PyBool_FromLong(i)
case byte: // alias uint8
c := C.char(value)
pyValue = C.PyString_FromStringAndSize(&c, 1)
case complex64:
pyValue = C.PyComplex_FromDoubles(C.double(real(value)), C.double(imag(value)))
case complex128:
pyValue = C.PyComplex_FromDoubles(C.double(real(value)), C.double(imag(value)))
case float32:
pyValue = C.PyFloat_FromDouble(C.double(value))
case float64:
pyValue = C.PyFloat_FromDouble(C.double(value))
case int: // alias rune
pyValue = C.PyInt_FromLong(C.long(value))
case int8:
pyValue = C.PyInt_FromLong(C.long(value))
case int16:
pyValue = C.PyInt_FromLong(C.long(value))
case int32:
pyValue = C.PyInt_FromLong(C.long(value))
case int64:
pyValue = C.Long_FromInt64(C.int64_t(value))
case string:
pyValue = C.String_FromGoStringPtr(unsafe.Pointer(&value))
case uint:
pyValue = C.Long_FromUint64(C.uint64_t(value))
case uint16:
pyValue = C.PyInt_FromLong(C.long(value))
case uint32:
pyValue = C.Long_FromUint64(C.uint64_t(value))
case uint64:
pyValue = C.Long_FromUint64(C.uint64_t(value))
case uintptr:
pyValue = C.Long_FromUint64(C.uint64_t(value))
case []interface{}:
return encodeTuple(value)
case map[interface{}]interface{}:
return encodeDict(value)
case *object:
pyValue = value.pyObject
C.INCREF(pyValue)
default:
err = fmt.Errorf("unable to translate %t to Python", x)
return
}
if pyValue == nil {
err = getError()
}
return
}
