61 lines
1.8 KiB
Go
61 lines
1.8 KiB
Go
package python3
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/*
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#cgo pkg-config: python3
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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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//Py_Main : https://docs.python.org/3/c-api/veryhigh.html?highlight=pycompilerflags#c.Py_Main
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// "error" will be set if we fail to call "Py_DecodeLocale" on every "args".
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func Py_Main(args []string) (int, 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 -1, 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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return int(C.Py_Main(argc, (**C.wchar_t)(unsafe.Pointer(&argv[0])))), nil
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}
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//PyRun_AnyFile : https://docs.python.org/3/c-api/veryhigh.html?highlight=pycompilerflags#c.PyRun_AnyFile
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// "error" will be set if we fail to open "filename".
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func PyRun_AnyFile(filename string) (int, error) {
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cfilename := C.CString(filename)
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defer C.free(unsafe.Pointer(cfilename))
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mode := C.CString("r")
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defer C.free(unsafe.Pointer(mode))
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cfile, err := C.fopen(cfilename, mode)
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if err != nil {
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return -1, fmt.Errorf("fail to open '%s': %s", filename, err)
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}
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defer C.fclose(cfile)
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// C.PyRun_AnyFile is a macro, using C.PyRun_AnyFileFlags instead
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return int(C.PyRun_AnyFileFlags(cfile, cfilename, nil)), nil
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}
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//PyRun_SimpleString : https://docs.python.org/3/c-api/veryhigh.html?highlight=pycompilerflags#c.PyRun_SimpleString
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func PyRun_SimpleString(command string) int {
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ccommand := C.CString(command)
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defer C.free(unsafe.Pointer(ccommand))
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// C.PyRun_SimpleString is a macro, using C.PyRun_SimpleStringFlags instead
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return int(C.PyRun_SimpleStringFlags(ccommand, nil))
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}
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