Merge pull request #8 from DataDog/remicalixte/byte-types

Byte types

Author: remicalixte

byte_array.go

@@ -0,0 +1,55 @@
+package python3
+
+/*
+#include "Python.h"
+#include "macro.h"
+#include "type.h"
+*/
+import "C"
+import "unsafe"
+
+//ByteArray : https://docs.python.org/3/c-api/bytearray.html#c.PyByteArray_Type
+var ByteArray = togo(C._go_PyByteArray_Type)
+
+//PyByteArray_Check : https://docs.python.org/3/c-api/bytearray.html#c.PyByteArray_Check
+func PyByteArray_Check(o *PyObject) bool {
+return C._go_PyByteArray_Check(toc(o)) != 0
+}
+
+//PyByteArray_CheckExact : https://docs.python.org/3/c-api/bytearray.html#c.PyByteArray_CheckExact
+func PyByteArray_CheckExact(o *PyObject) bool {
+return C._go_PyByteArray_CheckExact(toc(o)) != 0
+}
+
+//PyByteArray_FromObject : https://docs.python.org/3/c-api/bytearray.html#c.PyByteArray_FromObject
+func PyByteArray_FromObject(o *PyObject) *PyObject {
+return togo(C.PyByteArray_FromObject(toc(o)))
+}
+
+//PyByteArray_FromStringAndSize : https://docs.python.org/3/c-api/bytearray.html#c.PyByteArray_FromStringAndSize
+func PyByteArray_FromStringAndSize(str string) *PyObject {
+cstr := C.CString(str)
+defer C.free(unsafe.Pointer(cstr))
+
+return togo(C.PyByteArray_FromStringAndSize(cstr, C.Py_ssize_t(len(str))))
+}
+
+//PyByteArray_Concat : https://docs.python.org/3/c-api/bytearray.html#c.PyByteArray_Concat
+func PyByteArray_Concat(a, b *PyObject) *PyObject {
+return togo(C.PyByteArray_Concat(toc(a), toc(b)))
+}
+
+//PyByteArray_Size : https://docs.python.org/3/c-api/bytearray.html#c.PyByteArray_Size
+func PyByteArray_Size(o *PyObject) int {
+return int(C.PyByteArray_Size(toc(o)))
+}
+
+//PyByteArray_AsString : https://docs.python.org/3/c-api/bytearray.html#c.PyByteArray_AsString
+func PyByteArray_AsString(o *PyObject) string {
+return C.GoString(C.PyByteArray_AsString(toc(o)))
+}
+
+//PyByteArray_Resize : https://docs.python.org/3/c-api/bytearray.html#c.PyByteArray_Resize
+func PyByteArray_Resize(bytearray *PyObject, len int) {
+C.PyByteArray_Resize(toc(bytearray), C.Py_ssize_t(len))
+}

byte_array_test.go

@@ -0,0 +1,66 @@
+package python3
+
+import (
+"testing"
+
+"github.com/stretchr/testify/assert"
+)
+
+func TestByteArrayCheck(t *testing.T) {
+Py_Initialize()
+
+s1 := "aaaaaaaa"
+
+array1 := PyByteArray_FromStringAndSize(s1)
+assert.True(t, PyByteArray_Check(array1))
+assert.True(t, PyByteArray_CheckExact(array1))
+defer array1.DecRef()
+}
+
+func TestByteArrayFromAsString(t *testing.T) {
+Py_Initialize()
+
+s1 := "aaaaaaaa"
+
+array1 := PyByteArray_FromStringAndSize(s1)
+defer array1.DecRef()
+
+assert.Equal(t, s1, PyByteArray_AsString(array1))
+}
+
+func TestByteArrayConcat(t *testing.T) {
+Py_Initialize()
+
+s1 := "aaaaaaaa"
+s2 := "bbbbbbbb"
+
+array1 := PyByteArray_FromStringAndSize(s1)
+defer array1.DecRef()
+
+bytes := PyBytes_FromString(s2)
+assert.NotNil(t, bytes)
+defer bytes.DecRef()
+
+array2 := PyByteArray_FromObject(bytes)
+assert.NotNil(t, array2)
+defer array2.DecRef()
+
+newArray := PyByteArray_Concat(array1, array2)
+defer newArray.DecRef()
+
+assert.Equal(t, s1+s2, PyByteArray_AsString(newArray))
+}
+
+func TestByteArrayResize(t *testing.T) {
+Py_Initialize()
+
+s1 := "aaaaaaaa"
+
+array1 := PyByteArray_FromStringAndSize(s1)
+defer array1.DecRef()
+
+length := 20
+PyByteArray_Resize(array1, 20)
+
+assert.Equal(t, length, PyByteArray_Size(array1))
+}

bytes.go

@@ -0,0 +1,59 @@
+package python3
+
+/*
+#include "Python.h"
+#include "macro.h"
+#include "type.h"
+*/
+import "C"
+import "unsafe"
+
+//Bytes : https://docs.python.org/3/c-api/bytes.html#c.PyBytes_Type
+var Bytes = togo(C._go_PyBytes_Type)
+
+//PyBytes_Check : https://docs.python.org/3/c-api/bytes.html#c.PyBytes_Check
+func PyBytes_Check(o *PyObject) bool {
+return C._go_PyBytes_Check(toc(o)) != 0
+}
+
+//PyBytes_CheckExact : https://docs.python.org/3/c-api/bytes.html#c.PyBytes_CheckExact
+func PyBytes_CheckExact(o *PyObject) bool {
+return C._go_PyBytes_CheckExact(toc(o)) != 0
+}
+
+//PyBytes_FromString : https://docs.python.org/3/c-api/bytes.html#c.PyBytes_FromString
+func PyBytes_FromString(str string) *PyObject {
+cstr := C.CString(str)
+defer C.free(unsafe.Pointer(cstr))
+
+return togo(C.PyBytes_FromString(cstr))
+}
+
+//PyBytes_FromObject : https://docs.python.org/3/c-api/bytes.html#c.PyBytes_FromObject
+func PyBytes_FromObject(o *PyObject) *PyObject {
+return togo(C.PyBytes_FromObject(toc(o)))
+}
+
+//PyBytes_Size : https://docs.python.org/3/c-api/bytes.html#c.PyBytes_Size
+func PyBytes_Size(o *PyObject) int {
+return int(C.PyBytes_Size(toc(o)))
+}
+
+//PyBytes_AsString : https://docs.python.org/3/c-api/bytes.html#c.PyBytes_AsString
+func PyBytes_AsString(o *PyObject) string {
+return C.GoString(C.PyBytes_AsString(toc(o)))
+}
+
+//PyBytes_Concat : https://docs.python.org/3/c-api/bytes.html#c.PyBytes_Concat
+func PyBytes_Concat(bytes, newpart *PyObject) *PyObject {
+cbytes := toc(bytes)
+C.PyBytes_Concat(&cbytes, toc(newpart))
+return togo(cbytes)
+}
+
+//PyBytes_ConcatAndDel : https://docs.python.org/3/c-api/bytes.html#c.PyBytes_ConcatAndDel
+func PyBytes_ConcatAndDel(bytes, newpart *PyObject) *PyObject {
+cbytes := toc(bytes)
+C.PyBytes_ConcatAndDel(&cbytes, toc(newpart))
+return togo(cbytes)
+}

bytes_test.go

@@ -0,0 +1,77 @@
+package python3
+
+import (
+"testing"
+
+"github.com/stretchr/testify/assert"
+)
+
+func TestBytesCheck(t *testing.T) {
+Py_Initialize()
+
+s1 := "aaaaaaaa"
+
+bytes1 := PyBytes_FromString(s1)
+assert.True(t, PyBytes_Check(bytes1))
+assert.True(t, PyBytes_CheckExact(bytes1))
+defer bytes1.DecRef()
+}
+
+func TestBytesFromAsString(t *testing.T) {
+Py_Initialize()
+
+s1 := "aaaaaaaa"
+
+bytes1 := PyBytes_FromString(s1)
+defer bytes1.DecRef()
+
+assert.Equal(t, s1, PyBytes_AsString(bytes1))
+}
+
+func TestBytesSize(t *testing.T) {
+Py_Initialize()
+
+s1 := "aaaaaaaa"
+
+bytes1 := PyBytes_FromString(s1)
+defer bytes1.DecRef()
+
+assert.Equal(t, 8, PyBytes_Size(bytes1))
+}
+
+func TestBytesConcat(t *testing.T) {
+Py_Initialize()
+
+s1 := "aaaaaaaa"
+s2 := "bbbbbbbb"
+
+bytes1 := PyBytes_FromString(s1)
+
+bytes2 := PyBytes_FromString(s2)
+assert.NotNil(t, bytes2)
+defer bytes2.DecRef()
+
+bytes1 = PyBytes_Concat(bytes1, bytes2)
+assert.NotNil(t, bytes1)
+defer bytes1.DecRef()
+
+assert.Equal(t, s1+s2, PyBytes_AsString(bytes1))
+}
+
+func TestBytesConcatAndDel(t *testing.T) {
+Py_Initialize()
+
+s1 := "aaaaaaaa"
+s2 := "bbbbbbbb"
+
+bytes1 := PyBytes_FromString(s1)
+
+bytes2 := PyBytes_FromString(s2)
+assert.NotNil(t, bytes2)
+
+bytes1 = PyBytes_ConcatAndDel(bytes1, bytes2)
+assert.NotNil(t, bytes1)
+defer bytes1.DecRef()
+
+assert.Equal(t, s1+s2, PyBytes_AsString(bytes1))
+}