288 lines
7.5 KiB
Go
288 lines
7.5 KiB
Go
/*
|
||
Unless explicitly stated otherwise all files in this repository are licensed
|
||
under the $license_for_repo License.
|
||
This product includes software developed at Datadog (https://www.datadoghq.com/).
|
||
Copyright 2018 Datadog, Inc.
|
||
*/
|
||
|
||
package python3
|
||
|
||
/*
|
||
#include "Python.h"
|
||
*/
|
||
import "C"
|
||
import (
|
||
"fmt"
|
||
"unsafe"
|
||
)
|
||
|
||
// The argument for Py_SetProgramName, Py_SetPath and Py_SetPythonHome should point to a zero-terminated wide character string in static storage
|
||
// whose contents will not change for the duration of the program’s execution
|
||
var (
|
||
programName *C.wchar_t
|
||
pythonPath *C.wchar_t
|
||
pythonHome *C.wchar_t
|
||
)
|
||
|
||
//Py_Initialize : https://docs.python.org/3/c-api/init.html#c.Py_Initialize
|
||
func Py_Initialize() {
|
||
C.Py_Initialize()
|
||
}
|
||
|
||
//Py_InitializeEx : https://docs.python.org/3/c-api/init.html#c.Py_InitializeEx
|
||
func Py_InitializeEx(initsigs bool) {
|
||
if initsigs {
|
||
C.Py_InitializeEx(1)
|
||
} else {
|
||
C.Py_InitializeEx(0)
|
||
}
|
||
}
|
||
|
||
//Py_IsInitialized : https://docs.python.org/3/c-api/init.html#c.Py_IsInitialized
|
||
func Py_IsInitialized() bool {
|
||
return C.Py_IsInitialized() != 0
|
||
}
|
||
|
||
//Py_FinalizeEx : https://docs.python.org/3/c-api/init.html#c.Py_FinalizeEx
|
||
func Py_FinalizeEx() int {
|
||
return int(C.Py_FinalizeEx())
|
||
}
|
||
|
||
//Py_Finalize : https://docs.python.org/3/c-api/init.html#c.Py_Finalize
|
||
func Py_Finalize() {
|
||
C.Py_Finalize()
|
||
}
|
||
|
||
//Py_SetStandardStreamEncoding : https://docs.python.org/3/c-api/init.html#c.Py_SetStandardStreamEncoding
|
||
func Py_SetStandardStreamEncoding(encoding, errors string) int {
|
||
cencoding := C.CString(encoding)
|
||
defer C.free(unsafe.Pointer(cencoding))
|
||
|
||
cerrors := C.CString(errors)
|
||
defer C.free(unsafe.Pointer(cerrors))
|
||
|
||
return int(C.Py_SetStandardStreamEncoding(cencoding, cerrors))
|
||
|
||
}
|
||
|
||
//Py_SetProgramName : https://docs.python.org/3/c-api/init.html#c.Py_SetProgramName
|
||
func Py_SetProgramName(name string) error {
|
||
cname := C.CString(name)
|
||
defer C.free(unsafe.Pointer(cname))
|
||
|
||
newProgramName := C.Py_DecodeLocale(cname, nil)
|
||
if newProgramName == nil {
|
||
return fmt.Errorf("fail to call Py_DecodeLocale on '%s'", name)
|
||
}
|
||
C.Py_SetProgramName(newProgramName)
|
||
|
||
//no operation is performed if nil
|
||
C.PyMem_RawFree(unsafe.Pointer(programName))
|
||
programName = newProgramName
|
||
|
||
return nil
|
||
}
|
||
|
||
//Py_GetProgramName : https://docs.python.org/3/c-api/init.html#c.Py_GetProgramName
|
||
func Py_GetProgramName() (string, error) {
|
||
wcname := C.Py_GetProgramName()
|
||
if wcname == nil {
|
||
return "", nil
|
||
}
|
||
cname := C.Py_EncodeLocale(wcname, nil)
|
||
if cname == nil {
|
||
return "", fmt.Errorf("fail to call Py_EncodeLocale")
|
||
}
|
||
defer C.PyMem_Free(unsafe.Pointer(cname))
|
||
|
||
return C.GoString(cname), nil
|
||
}
|
||
|
||
//Py_GetPrefix : https://docs.python.org/3/c-api/init.html#c.Py_GetPrefix
|
||
func Py_GetPrefix() (string, error) {
|
||
wcname := C.Py_GetPrefix()
|
||
if wcname == nil {
|
||
return "", nil
|
||
}
|
||
cname := C.Py_EncodeLocale(wcname, nil)
|
||
if cname == nil {
|
||
return "", fmt.Errorf("fail to call Py_EncodeLocale")
|
||
}
|
||
defer C.PyMem_Free(unsafe.Pointer(cname))
|
||
|
||
return C.GoString(cname), nil
|
||
}
|
||
|
||
//Py_GetExecPrefix : https://docs.python.org/3/c-api/init.html#c.Py_GetExecPrefix
|
||
func Py_GetExecPrefix() (string, error) {
|
||
wcname := C.Py_GetExecPrefix()
|
||
if wcname == nil {
|
||
return "", nil
|
||
}
|
||
cname := C.Py_EncodeLocale(wcname, nil)
|
||
if cname == nil {
|
||
return "", fmt.Errorf("fail to call Py_EncodeLocale")
|
||
}
|
||
defer C.PyMem_Free(unsafe.Pointer(cname))
|
||
|
||
return C.GoString(cname), nil
|
||
}
|
||
|
||
//Py_GetProgramFullPath : https://docs.python.org/3/c-api/init.html#c.Py_GetProgramFullPath
|
||
func Py_GetProgramFullPath() (string, error) {
|
||
wcname := C.Py_GetProgramFullPath()
|
||
if wcname == nil {
|
||
return "", nil
|
||
}
|
||
cname := C.Py_EncodeLocale(wcname, nil)
|
||
if cname == nil {
|
||
return "", fmt.Errorf("fail to call Py_EncodeLocale")
|
||
}
|
||
defer C.PyMem_Free(unsafe.Pointer(cname))
|
||
|
||
return C.GoString(cname), nil
|
||
}
|
||
|
||
//Py_GetPath : https://docs.python.org/3/c-api/init.html#c.Py_GetPath
|
||
func Py_GetPath() (string, error) {
|
||
wcname := C.Py_GetPath()
|
||
if wcname == nil {
|
||
return "", nil
|
||
}
|
||
cname := C.Py_EncodeLocale(wcname, nil)
|
||
if cname == nil {
|
||
return "", fmt.Errorf("fail to call Py_EncodeLocale")
|
||
}
|
||
defer C.PyMem_Free(unsafe.Pointer(cname))
|
||
|
||
return C.GoString(cname), nil
|
||
}
|
||
|
||
//Py_SetPath : https://docs.python.org/3/c-api/init.html#c.Py_SetPath
|
||
func Py_SetPath(path string) error {
|
||
cpath := C.CString(path)
|
||
defer C.free(unsafe.Pointer(cpath))
|
||
|
||
newPath := C.Py_DecodeLocale(cpath, nil)
|
||
if newPath == nil {
|
||
return fmt.Errorf("fail to call Py_DecodeLocale on '%s'", path)
|
||
}
|
||
C.Py_SetPath(newPath)
|
||
|
||
C.PyMem_RawFree(unsafe.Pointer(pythonPath))
|
||
pythonHome = newPath
|
||
|
||
return nil
|
||
}
|
||
|
||
//Py_GetVersion : https://docs.python.org/3/c-api/init.html#c.Py_GetVersion
|
||
func Py_GetVersion() string {
|
||
cversion := C.Py_GetVersion()
|
||
return C.GoString(cversion)
|
||
}
|
||
|
||
//Py_GetPlatform : https://docs.python.org/3/c-api/init.html#c.Py_GetPlatform
|
||
func Py_GetPlatform() string {
|
||
cplatform := C.Py_GetPlatform()
|
||
return C.GoString(cplatform)
|
||
}
|
||
|
||
//Py_GetCopyright : https://docs.python.org/3/c-api/init.html#c.Py_GetCopyright
|
||
func Py_GetCopyright() string {
|
||
ccopyright := C.Py_GetCopyright()
|
||
return C.GoString(ccopyright)
|
||
}
|
||
|
||
//Py_GetCompiler : https://docs.python.org/3/c-api/init.html#c.Py_GetCompiler
|
||
func Py_GetCompiler() string {
|
||
ccompiler := C.Py_GetCompiler()
|
||
return C.GoString(ccompiler)
|
||
}
|
||
|
||
//Py_GetBuildInfo : https://docs.python.org/3/c-api/init.html#c.Py_GetBuildInfo
|
||
func Py_GetBuildInfo() string {
|
||
cbuildInfo := C.Py_GetBuildInfo()
|
||
return C.GoString(cbuildInfo)
|
||
}
|
||
|
||
//PySys_SetArgvEx : https://docs.python.org/3/c-api/init.html#c.PySys_SetArgvEx
|
||
func PySys_SetArgvEx(args []string, updatepath bool) error {
|
||
argc := C.int(len(args))
|
||
argv := make([]*C.wchar_t, argc, argc)
|
||
for i, arg := range args {
|
||
carg := C.CString(arg)
|
||
defer C.free(unsafe.Pointer(carg))
|
||
|
||
warg := C.Py_DecodeLocale(carg, nil)
|
||
if warg == nil {
|
||
return fmt.Errorf("fail to call Py_DecodeLocale on '%s'", arg)
|
||
}
|
||
// Py_DecodeLocale requires a call to PyMem_RawFree to free the memory
|
||
defer C.PyMem_RawFree(unsafe.Pointer(warg))
|
||
|
||
argv[i] = warg
|
||
}
|
||
|
||
if updatepath {
|
||
C.PySys_SetArgvEx(argc, (**C.wchar_t)(unsafe.Pointer(&argv[0])), 1)
|
||
} else {
|
||
C.PySys_SetArgvEx(argc, (**C.wchar_t)(unsafe.Pointer(&argv[0])), 0)
|
||
}
|
||
|
||
return nil
|
||
}
|
||
|
||
//PySys_SetArgv : https://docs.python.org/3/c-api/init.html#c.PySys_SetArgv
|
||
func PySys_SetArgv(args []string) error {
|
||
argc := C.int(len(args))
|
||
argv := make([]*C.wchar_t, argc, argc)
|
||
for i, arg := range args {
|
||
carg := C.CString(arg)
|
||
defer C.free(unsafe.Pointer(carg))
|
||
|
||
warg := C.Py_DecodeLocale(carg, nil)
|
||
if warg == nil {
|
||
return fmt.Errorf("fail to call Py_DecodeLocale on '%s'", arg)
|
||
}
|
||
// Py_DecodeLocale requires a call to PyMem_RawFree to free the memory
|
||
defer C.PyMem_RawFree(unsafe.Pointer(warg))
|
||
|
||
argv[i] = warg
|
||
}
|
||
C.PySys_SetArgv(argc, (**C.wchar_t)(unsafe.Pointer(&argv[0])))
|
||
|
||
return nil
|
||
}
|
||
|
||
//Py_SetPythonHome : https://docs.python.org/3/c-api/init.html#c.Py_SetPythonHome
|
||
func Py_SetPythonHome(home string) error {
|
||
chome := C.CString(home)
|
||
defer C.free(unsafe.Pointer(chome))
|
||
|
||
newHome := C.Py_DecodeLocale(chome, nil)
|
||
if newHome == nil {
|
||
return fmt.Errorf("fail to call Py_DecodeLocale on '%s'", home)
|
||
}
|
||
C.Py_SetPythonHome(newHome)
|
||
|
||
C.PyMem_RawFree(unsafe.Pointer(pythonHome))
|
||
pythonHome = newHome
|
||
|
||
return nil
|
||
}
|
||
|
||
//Py_GetPythonHome : https://docs.python.org/3/c-api/init.html#c.Py_GetPythonHome
|
||
func Py_GetPythonHome() (string, error) {
|
||
wchome := C.Py_GetPythonHome()
|
||
if wchome == nil {
|
||
return "", nil
|
||
}
|
||
chome := C.Py_EncodeLocale(wchome, nil)
|
||
if chome == nil {
|
||
return "", fmt.Errorf("fail to call Py_EncodeLocale")
|
||
}
|
||
defer C.PyMem_Free(unsafe.Pointer(chome))
|
||
|
||
return C.GoString(chome), nil
|
||
}
|