Rémi Calixte
GitHub
commit
c2d05986fc
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@ -10,3 +10,4 @@
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# Output of the go coverage tool, specifically when used with LiteIDE
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*.out
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vendor
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@ -0,0 +1,280 @@
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package python3
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/*
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#include "Python.h"
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*/
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import "C"
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import (
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"fmt"
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"unsafe"
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)
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// The argument for Py_SetProgramName, Py_SetPath and Py_SetPythonHome should point to a zero-terminated wide character string in static storage
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// whose contents will not change for the duration of the program’s execution
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var (
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programName *C.wchar_t
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pythonPath *C.wchar_t
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pythonHome *C.wchar_t
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)
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//Py_Initialize : https://docs.python.org/3/c-api/init.html#c.Py_Initialize
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func Py_Initialize() {
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C.Py_Initialize()
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}
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//Py_InitializeEx : https://docs.python.org/3/c-api/init.html#c.Py_InitializeEx
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func Py_InitializeEx(initsigs bool) {
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if initsigs {
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C.Py_InitializeEx(1)
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} else {
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C.Py_InitializeEx(0)
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}
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}
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//Py_IsInitialized : https://docs.python.org/3/c-api/init.html#c.Py_IsInitialized
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func Py_IsInitialized() bool {
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return C.Py_IsInitialized() != 0
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}
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//Py_FinalizeEx : https://docs.python.org/3/c-api/init.html#c.Py_FinalizeEx
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func Py_FinalizeEx() int {
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return int(C.Py_FinalizeEx())
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}
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//Py_Finalize : https://docs.python.org/3/c-api/init.html#c.Py_Finalize
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func Py_Finalize() {
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C.Py_Finalize()
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}
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//Py_SetStandardStreamEncoding : https://docs.python.org/3/c-api/init.html#c.Py_SetStandardStreamEncoding
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func Py_SetStandardStreamEncoding(encoding, errors string) int {
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cencoding := C.CString(encoding)
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defer C.free(unsafe.Pointer(cencoding))
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cerrors := C.CString(errors)
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defer C.free(unsafe.Pointer(cerrors))
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return int(C.Py_SetStandardStreamEncoding(cencoding, cerrors))
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}
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//Py_SetProgramName : https://docs.python.org/3/c-api/init.html#c.Py_SetProgramName
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func Py_SetProgramName(name string) error {
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cname := C.CString(name)
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defer C.free(unsafe.Pointer(cname))
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newProgramName := C.Py_DecodeLocale(cname, nil)
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if newProgramName == nil {
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return fmt.Errorf("fail to call Py_DecodeLocale on '%s'", name)
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}
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C.Py_SetProgramName(newProgramName)
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//no operation is performed if nil
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C.PyMem_RawFree(unsafe.Pointer(programName))
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programName = newProgramName
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return nil
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}
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//Py_GetProgramName : https://docs.python.org/3/c-api/init.html#c.Py_GetProgramName
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func Py_GetProgramName() (string, error) {
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wcname := C.Py_GetProgramName()
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if wcname == nil {
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return "", nil
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}
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cname := C.Py_EncodeLocale(wcname, nil)
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if cname == nil {
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return "", fmt.Errorf("fail to call Py_EncodeLocale")
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}
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defer C.PyMem_Free(unsafe.Pointer(cname))
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return C.GoString(cname), nil
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}
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//Py_GetPrefix : https://docs.python.org/3/c-api/init.html#c.Py_GetPrefix
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func Py_GetPrefix() (string, error) {
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wcname := C.Py_GetPrefix()
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if wcname == nil {
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return "", nil
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}
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cname := C.Py_EncodeLocale(wcname, nil)
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if cname == nil {
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return "", fmt.Errorf("fail to call Py_EncodeLocale")
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}
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defer C.PyMem_Free(unsafe.Pointer(cname))
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return C.GoString(cname), nil
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}
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//Py_GetExecPrefix : https://docs.python.org/3/c-api/init.html#c.Py_GetExecPrefix
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func Py_GetExecPrefix() (string, error) {
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wcname := C.Py_GetExecPrefix()
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if wcname == nil {
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return "", nil
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}
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cname := C.Py_EncodeLocale(wcname, nil)
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if cname == nil {
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return "", fmt.Errorf("fail to call Py_EncodeLocale")
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}
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defer C.PyMem_Free(unsafe.Pointer(cname))
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return C.GoString(cname), nil
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}
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//Py_GetProgramFullPath : https://docs.python.org/3/c-api/init.html#c.Py_GetProgramFullPath
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func Py_GetProgramFullPath() (string, error) {
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wcname := C.Py_GetProgramFullPath()
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if wcname == nil {
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return "", nil
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}
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cname := C.Py_EncodeLocale(wcname, nil)
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if cname == nil {
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return "", fmt.Errorf("fail to call Py_EncodeLocale")
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}
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defer C.PyMem_Free(unsafe.Pointer(cname))
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return C.GoString(cname), nil
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}
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//Py_GetPath : https://docs.python.org/3/c-api/init.html#c.Py_GetPath
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func Py_GetPath() (string, error) {
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wcname := C.Py_GetPath()
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if wcname == nil {
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return "", nil
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}
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cname := C.Py_EncodeLocale(wcname, nil)
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if cname == nil {
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return "", fmt.Errorf("fail to call Py_EncodeLocale")
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}
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defer C.PyMem_Free(unsafe.Pointer(cname))
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return C.GoString(cname), nil
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}
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//Py_SetPath : https://docs.python.org/3/c-api/init.html#c.Py_SetPath
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func Py_SetPath(path string) error {
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cpath := C.CString(path)
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defer C.free(unsafe.Pointer(cpath))
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newPath := C.Py_DecodeLocale(cpath, nil)
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if newPath == nil {
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return fmt.Errorf("fail to call Py_DecodeLocale on '%s'", path)
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}
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C.Py_SetPath(newPath)
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C.PyMem_RawFree(unsafe.Pointer(pythonPath))
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pythonHome = newPath
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return nil
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}
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//Py_GetVersion : https://docs.python.org/3/c-api/init.html#c.Py_GetVersion
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func Py_GetVersion() string {
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cversion := C.Py_GetVersion()
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return C.GoString(cversion)
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}
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//Py_GetPlatform : https://docs.python.org/3/c-api/init.html#c.Py_GetPlatform
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func Py_GetPlatform() string {
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cplatform := C.Py_GetPlatform()
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return C.GoString(cplatform)
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}
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//Py_GetCopyright : https://docs.python.org/3/c-api/init.html#c.Py_GetCopyright
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func Py_GetCopyright() string {
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ccopyright := C.Py_GetCopyright()
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return C.GoString(ccopyright)
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}
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//Py_GetCompiler : https://docs.python.org/3/c-api/init.html#c.Py_GetCompiler
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func Py_GetCompiler() string {
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ccompiler := C.Py_GetCompiler()
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return C.GoString(ccompiler)
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}
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//Py_GetBuildInfo : https://docs.python.org/3/c-api/init.html#c.Py_GetBuildInfo
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func Py_GetBuildInfo() string {
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cbuildInfo := C.Py_GetBuildInfo()
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return C.GoString(cbuildInfo)
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}
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//PySys_SetArgvEx : https://docs.python.org/3/c-api/init.html#c.PySys_SetArgvEx
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func PySys_SetArgvEx(args []string, updatepath bool) error {
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argc := C.int(len(args))
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argv := make([]*C.wchar_t, argc, argc)
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for i, arg := range args {
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carg := C.CString(arg)
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defer C.free(unsafe.Pointer(carg))
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warg := C.Py_DecodeLocale(carg, nil)
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if warg == nil {
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return fmt.Errorf("fail to call Py_DecodeLocale on '%s'", arg)
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}
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// Py_DecodeLocale requires a call to PyMem_RawFree to free the memory
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defer C.PyMem_RawFree(unsafe.Pointer(warg))
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argv[i] = warg
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}
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if updatepath {
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C.PySys_SetArgvEx(argc, (**C.wchar_t)(unsafe.Pointer(&argv[0])), 1)
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} else {
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C.PySys_SetArgvEx(argc, (**C.wchar_t)(unsafe.Pointer(&argv[0])), 0)
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}
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return nil
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}
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//PySys_SetArgv : https://docs.python.org/3/c-api/init.html#c.PySys_SetArgv
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func PySys_SetArgv(args []string) error {
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argc := C.int(len(args))
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argv := make([]*C.wchar_t, argc, argc)
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for i, arg := range args {
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carg := C.CString(arg)
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defer C.free(unsafe.Pointer(carg))
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warg := C.Py_DecodeLocale(carg, nil)
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if warg == nil {
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return fmt.Errorf("fail to call Py_DecodeLocale on '%s'", arg)
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}
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// Py_DecodeLocale requires a call to PyMem_RawFree to free the memory
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defer C.PyMem_RawFree(unsafe.Pointer(warg))
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argv[i] = warg
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}
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C.PySys_SetArgv(argc, (**C.wchar_t)(unsafe.Pointer(&argv[0])))
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return nil
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}
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//Py_SetPythonHome : https://docs.python.org/3/c-api/init.html#c.Py_SetPythonHome
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func Py_SetPythonHome(home string) error {
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chome := C.CString(home)
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defer C.free(unsafe.Pointer(chome))
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newHome := C.Py_DecodeLocale(chome, nil)
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if newHome == nil {
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return fmt.Errorf("fail to call Py_DecodeLocale on '%s'", home)
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}
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C.Py_SetPythonHome(newHome)
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C.PyMem_RawFree(unsafe.Pointer(pythonHome))
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pythonHome = newHome
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return nil
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}
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//Py_GetPythonHome : https://docs.python.org/3/c-api/init.html#c.Py_GetPythonHome
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func Py_GetPythonHome() (string, error) {
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wchome := C.Py_GetPythonHome()
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if wchome == nil {
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return "", nil
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}
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chome := C.Py_EncodeLocale(wchome, nil)
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if chome == nil {
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return "", fmt.Errorf("fail to call Py_EncodeLocale")
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}
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defer C.PyMem_Free(unsafe.Pointer(chome))
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return C.GoString(chome), nil
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}
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@ -0,0 +1,114 @@
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package python3
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestInitialization(t *testing.T) {
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Py_Initialize()
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assert.True(t, Py_IsInitialized())
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Py_Finalize()
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assert.False(t, Py_IsInitialized())
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}
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func TestInitializationEx(t *testing.T) {
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Py_Initialize()
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assert.True(t, Py_IsInitialized())
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assert.Zero(t, Py_FinalizeEx())
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assert.False(t, Py_IsInitialized())
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}
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func TestProgramName(t *testing.T) {
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Py_Finalize()
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defaultName, err := Py_GetProgramName()
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defer Py_SetProgramName(defaultName)
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assert.Nil(t, err)
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name := "py3é"
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Py_SetProgramName(name)
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newName, err := Py_GetProgramName()
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assert.Nil(t, err)
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assert.Equal(t, name, newName)
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}
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func TestPrefix(t *testing.T) {
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prefix, err := Py_GetPrefix()
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assert.Nil(t, err)
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assert.IsType(t, "", prefix)
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}
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func TestExecPrefix(t *testing.T) {
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execPrefix, err := Py_GetExecPrefix()
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assert.Nil(t, err)
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assert.IsType(t, "", execPrefix)
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}
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func TestProgramFullPath(t *testing.T) {
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programFullPath, err := Py_GetProgramFullPath()
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assert.Nil(t, err)
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assert.IsType(t, "", programFullPath)
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}
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func TestPath(t *testing.T) {
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Py_Finalize()
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defaultPath, err := Py_GetPath()
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defer Py_SetPath(defaultPath)
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assert.Nil(t, err)
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name := "påth"
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Py_SetPath(name)
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newName, err := Py_GetPath()
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assert.Nil(t, err)
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assert.Equal(t, name, newName)
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}
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func TestVersion(t *testing.T) {
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version := Py_GetVersion()
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assert.IsType(t, "", version)
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}
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func TestPlatform(t *testing.T) {
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platform := Py_GetPlatform()
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assert.IsType(t, "", platform)
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}
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func TestCopyright(t *testing.T) {
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copyright := Py_GetCopyright()
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assert.IsType(t, "", copyright)
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}
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func TestCompiler(t *testing.T) {
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compiler := Py_GetCompiler()
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assert.IsType(t, "", compiler)
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}
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func TestBuildInfo(t *testing.T) {
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buildInfo := Py_GetBuildInfo()
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assert.IsType(t, "", buildInfo)
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}
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func TestPythonHome(t *testing.T) {
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name := "høme"
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defaultHome, err := Py_GetPythonHome()
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defer Py_SetPythonHome(defaultHome)
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assert.Nil(t, err)
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Py_SetPythonHome(name)
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newName, err := Py_GetPythonHome()
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assert.Nil(t, err)
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assert.Equal(t, name, newName)
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}
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