Library import 16 (#2433)

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1 files changed, 0 insertions, 524 deletions

diff --git a/contrib/tools/python3/src/Python/pathconfig.c b/contrib/tools/python3/src/Python/pathconfig.c
deleted file mode 100644
index be0f97c4b20..00000000000
--- a/contrib/tools/python3/src/Python/pathconfig.c
+++ /dev/null
@@ -1,524 +0,0 @@
-/* Path configuration like module_search_path (sys.path) */
-
-#include "Python.h"
-#include "marshal.h"              // PyMarshal_ReadObjectFromString
-#include "osdefs.h"               // DELIM
-#include "pycore_initconfig.h"
-#include "pycore_fileutils.h"
-#include "pycore_pathconfig.h"
-#include "pycore_pymem.h"         // _PyMem_SetDefaultAllocator()
-#include <wchar.h>
-#ifdef MS_WINDOWS
-#  include <windows.h>            // GetFullPathNameW(), MAX_PATH
-#  include <pathcch.h>
-#  include <shlwapi.h>
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-/* External interface */
-
-/* Stored values set by C API functions */
-typedef struct _PyPathConfig {
-    /* Full path to the Python program */
-    wchar_t *program_full_path;
-    wchar_t *prefix;
-    wchar_t *exec_prefix;
-    wchar_t *stdlib_dir;
-    /* Set by Py_SetPath */
-    wchar_t *module_search_path;
-    /* Set by _PyPathConfig_UpdateGlobal */
-    wchar_t *calculated_module_search_path;
-    /* Python program name */
-    wchar_t *program_name;
-    /* Set by Py_SetPythonHome() or PYTHONHOME environment variable */
-    wchar_t *home;
-    int _is_python_build;
-} _PyPathConfig;
-
-#  define _PyPathConfig_INIT \
-      {.module_search_path = NULL, ._is_python_build = 0}
-
-
-_PyPathConfig _Py_path_config = _PyPathConfig_INIT;
-
-
-const wchar_t *
-_PyPathConfig_GetGlobalModuleSearchPath(void)
-{
-    return _Py_path_config.module_search_path;
-}
-
-
-void
-_PyPathConfig_ClearGlobal(void)
-{
-    PyMemAllocatorEx old_alloc;
-    _PyMem_SetDefaultAllocator(PYMEM_DOMAIN_RAW, &old_alloc);
-
-#define CLEAR(ATTR) \
-    do { \
-        PyMem_RawFree(_Py_path_config.ATTR); \
-        _Py_path_config.ATTR = NULL; \
-    } while (0)
-
-    CLEAR(program_full_path);
-    CLEAR(prefix);
-    CLEAR(exec_prefix);
-    CLEAR(stdlib_dir);
-    CLEAR(module_search_path);
-    CLEAR(calculated_module_search_path);
-    CLEAR(program_name);
-    CLEAR(home);
-    _Py_path_config._is_python_build = 0;
-
-#undef CLEAR
-
-    PyMem_SetAllocator(PYMEM_DOMAIN_RAW, &old_alloc);
-}
-
-PyStatus
-_PyPathConfig_ReadGlobal(PyConfig *config)
-{
-    PyStatus status = _PyStatus_OK();
-
-#define COPY(ATTR) \
-    do { \
-        if (_Py_path_config.ATTR && !config->ATTR) { \
-            status = PyConfig_SetString(config, &config->ATTR, _Py_path_config.ATTR); \
-            if (_PyStatus_EXCEPTION(status)) goto done; \
-        } \
-    } while (0)
-
-#define COPY2(ATTR, SRCATTR) \
-    do { \
-        if (_Py_path_config.SRCATTR && !config->ATTR) { \
-            status = PyConfig_SetString(config, &config->ATTR, _Py_path_config.SRCATTR); \
-            if (_PyStatus_EXCEPTION(status)) goto done; \
-        } \
-    } while (0)
-
-#define COPY_INT(ATTR) \
-    do { \
-        assert(_Py_path_config.ATTR >= 0); \
-        if ((_Py_path_config.ATTR >= 0) && (config->ATTR <= 0)) { \
-            config->ATTR = _Py_path_config.ATTR; \
-        } \
-    } while (0)
-
-    COPY(prefix);
-    COPY(exec_prefix);
-    COPY(stdlib_dir);
-    COPY(program_name);
-    COPY(home);
-    COPY2(executable, program_full_path);
-    COPY_INT(_is_python_build);
-    // module_search_path must be initialised - not read
-#undef COPY
-#undef COPY2
-#undef COPY_INT
-
-done:
-    return status;
-}
-
-PyStatus
-_PyPathConfig_UpdateGlobal(const PyConfig *config)
-{
-    PyMemAllocatorEx old_alloc;
-    _PyMem_SetDefaultAllocator(PYMEM_DOMAIN_RAW, &old_alloc);
-
-#define COPY(ATTR) \
-    do { \
-        if (config->ATTR) { \
-            PyMem_RawFree(_Py_path_config.ATTR); \
-            _Py_path_config.ATTR = _PyMem_RawWcsdup(config->ATTR); \
-            if (!_Py_path_config.ATTR) goto error; \
-        } \
-    } while (0)
-
-#define COPY2(ATTR, SRCATTR) \
-    do { \
-        if (config->SRCATTR) { \
-            PyMem_RawFree(_Py_path_config.ATTR); \
-            _Py_path_config.ATTR = _PyMem_RawWcsdup(config->SRCATTR); \
-            if (!_Py_path_config.ATTR) goto error; \
-        } \
-    } while (0)
-
-#define COPY_INT(ATTR) \
-    do { \
-        if (config->ATTR > 0) { \
-            _Py_path_config.ATTR = config->ATTR; \
-        } \
-    } while (0)
-
-    COPY(prefix);
-    COPY(exec_prefix);
-    COPY(stdlib_dir);
-    COPY(program_name);
-    COPY(home);
-    COPY2(program_full_path, executable);
-    COPY_INT(_is_python_build);
-#undef COPY
-#undef COPY2
-#undef COPY_INT
-
-    PyMem_RawFree(_Py_path_config.module_search_path);
-    _Py_path_config.module_search_path = NULL;
-    PyMem_RawFree(_Py_path_config.calculated_module_search_path);
-    _Py_path_config.calculated_module_search_path = NULL;
-
-    do {
-        size_t cch = 1;
-        for (Py_ssize_t i = 0; i < config->module_search_paths.length; ++i) {
-            cch += 1 + wcslen(config->module_search_paths.items[i]);
-        }
-
-        wchar_t *path = (wchar_t*)PyMem_RawMalloc(sizeof(wchar_t) * cch);
-        if (!path) {
-            goto error;
-        }
-        wchar_t *p = path;
-        for (Py_ssize_t i = 0; i < config->module_search_paths.length; ++i) {
-            wcscpy(p, config->module_search_paths.items[i]);
-            p = wcschr(p, L'\0');
-            *p++ = DELIM;
-            *p = L'\0';
-        }
-
-        do {
-            *p = L'\0';
-        } while (p != path && *--p == DELIM);
-        _Py_path_config.calculated_module_search_path = path;
-    } while (0);
-
-    PyMem_SetAllocator(PYMEM_DOMAIN_RAW, &old_alloc);
-    return _PyStatus_OK();
-
-error:
-    PyMem_SetAllocator(PYMEM_DOMAIN_RAW, &old_alloc);
-    return _PyStatus_NO_MEMORY();
-}
-
-
-static void _Py_NO_RETURN
-path_out_of_memory(const char *func)
-{
-    _Py_FatalErrorFunc(func, "out of memory");
-}
-
-void
-Py_SetPath(const wchar_t *path)
-{
-    if (path == NULL) {
-        _PyPathConfig_ClearGlobal();
-        return;
-    }
-
-    PyMemAllocatorEx old_alloc;
-    _PyMem_SetDefaultAllocator(PYMEM_DOMAIN_RAW, &old_alloc);
-
-    PyMem_RawFree(_Py_path_config.prefix);
-    PyMem_RawFree(_Py_path_config.exec_prefix);
-    PyMem_RawFree(_Py_path_config.stdlib_dir);
-    PyMem_RawFree(_Py_path_config.module_search_path);
-    PyMem_RawFree(_Py_path_config.calculated_module_search_path);
-
-    _Py_path_config.prefix = _PyMem_RawWcsdup(L"");
-    _Py_path_config.exec_prefix = _PyMem_RawWcsdup(L"");
-    // XXX Copy this from the new module_search_path?
-    if (_Py_path_config.home != NULL) {
-        _Py_path_config.stdlib_dir = _PyMem_RawWcsdup(_Py_path_config.home);
-    }
-    else {
-        _Py_path_config.stdlib_dir = _PyMem_RawWcsdup(L"");
-    }
-    _Py_path_config.module_search_path = _PyMem_RawWcsdup(path);
-    _Py_path_config.calculated_module_search_path = NULL;
-
-    PyMem_SetAllocator(PYMEM_DOMAIN_RAW, &old_alloc);
-
-    if (_Py_path_config.prefix == NULL
-        || _Py_path_config.exec_prefix == NULL
-        || _Py_path_config.stdlib_dir == NULL
-        || _Py_path_config.module_search_path == NULL)
-    {
-        path_out_of_memory(__func__);
-    }
-}
-
-
-void
-Py_SetPythonHome(const wchar_t *home)
-{
-    int has_value = home && home[0];
-
-    PyMemAllocatorEx old_alloc;
-    _PyMem_SetDefaultAllocator(PYMEM_DOMAIN_RAW, &old_alloc);
-
-    PyMem_RawFree(_Py_path_config.home);
-    _Py_path_config.home = NULL;
-
-    if (has_value) {
-        _Py_path_config.home = _PyMem_RawWcsdup(home);
-    }
-
-    PyMem_SetAllocator(PYMEM_DOMAIN_RAW, &old_alloc);
-
-    if (has_value && _Py_path_config.home == NULL) {
-        path_out_of_memory(__func__);
-    }
-}
-
-
-void
-Py_SetProgramName(const wchar_t *program_name)
-{
-    int has_value = program_name && program_name[0];
-
-    PyMemAllocatorEx old_alloc;
-    _PyMem_SetDefaultAllocator(PYMEM_DOMAIN_RAW, &old_alloc);
-
-    PyMem_RawFree(_Py_path_config.program_name);
-    _Py_path_config.program_name = NULL;
-
-    if (has_value) {
-        _Py_path_config.program_name = _PyMem_RawWcsdup(program_name);
-    }
-
-    PyMem_SetAllocator(PYMEM_DOMAIN_RAW, &old_alloc);
-
-    if (has_value && _Py_path_config.program_name == NULL) {
-        path_out_of_memory(__func__);
-    }
-}
-
-void
-_Py_SetProgramFullPath(const wchar_t *program_full_path)
-{
-    int has_value = program_full_path && program_full_path[0];
-
-    PyMemAllocatorEx old_alloc;
-    _PyMem_SetDefaultAllocator(PYMEM_DOMAIN_RAW, &old_alloc);
-
-    PyMem_RawFree(_Py_path_config.program_full_path);
-    _Py_path_config.program_full_path = NULL;
-
-    if (has_value) {
-        _Py_path_config.program_full_path = _PyMem_RawWcsdup(program_full_path);
-    }
-
-    PyMem_SetAllocator(PYMEM_DOMAIN_RAW, &old_alloc);
-
-    if (has_value && _Py_path_config.program_full_path == NULL) {
-        path_out_of_memory(__func__);
-    }
-}
-
-
-wchar_t *
-Py_GetPath(void)
-{
-    /* If the user has provided a path, return that */
-    if (_Py_path_config.module_search_path) {
-        return _Py_path_config.module_search_path;
-    }
-    /* If we have already done calculations, return the calculated path */
-    return _Py_path_config.calculated_module_search_path;
-}
-
-
-wchar_t *
-_Py_GetStdlibDir(void)
-{
-    wchar_t *stdlib_dir = _Py_path_config.stdlib_dir;
-    if (stdlib_dir != NULL && stdlib_dir[0] != L'\0') {
-        return stdlib_dir;
-    }
-    return NULL;
-}
-
-
-wchar_t *
-Py_GetPrefix(void)
-{
-    return _Py_path_config.prefix;
-}
-
-
-wchar_t *
-Py_GetExecPrefix(void)
-{
-    return _Py_path_config.exec_prefix;
-}
-
-
-wchar_t *
-Py_GetProgramFullPath(void)
-{
-    return _Py_path_config.program_full_path;
-}
-
-
-wchar_t*
-Py_GetPythonHome(void)
-{
-    return _Py_path_config.home;
-}
-
-
-wchar_t *
-Py_GetProgramName(void)
-{
-    return _Py_path_config.program_name;
-}
-
-
-
-/* Compute module search path from argv[0] or the current working
-   directory ("-m module" case) which will be prepended to sys.argv:
-   sys.path[0].
-
-   Return 1 if the path is correctly resolved and written into *path0_p.
-
-   Return 0 if it fails to resolve the full path. For example, return 0 if the
-   current working directory has been removed (bpo-36236) or if argv is empty.
-
-   Raise an exception and return -1 on error.
-   */
-int
-_PyPathConfig_ComputeSysPath0(const PyWideStringList *argv, PyObject **path0_p)
-{
-    assert(_PyWideStringList_CheckConsistency(argv));
-
-    if (argv->length == 0) {
-        /* Leave sys.path unchanged if sys.argv is empty */
-        return 0;
-    }
-
-    wchar_t *argv0 = argv->items[0];
-    int have_module_arg = (wcscmp(argv0, L"-m") == 0);
-    int have_script_arg = (!have_module_arg && (wcscmp(argv0, L"-c") != 0));
-
-    wchar_t *path0 = argv0;
-    Py_ssize_t n = 0;
-
-#ifdef HAVE_REALPATH
-    wchar_t fullpath[MAXPATHLEN];
-#elif defined(MS_WINDOWS)
-    wchar_t fullpath[MAX_PATH];
-#endif
-
-    if (have_module_arg) {
-#if defined(HAVE_REALPATH) || defined(MS_WINDOWS)
-        if (!_Py_wgetcwd(fullpath, Py_ARRAY_LENGTH(fullpath))) {
-            return 0;
-        }
-        path0 = fullpath;
-#else
-        path0 = L".";
-#endif
-        n = wcslen(path0);
-    }
-
-#ifdef HAVE_READLINK
-    wchar_t link[MAXPATHLEN + 1];
-    int nr = 0;
-    wchar_t path0copy[2 * MAXPATHLEN + 1];
-
-    if (have_script_arg) {
-        nr = _Py_wreadlink(path0, link, Py_ARRAY_LENGTH(link));
-    }
-    if (nr > 0) {
-        /* It's a symlink */
-        link[nr] = '\0';
-        if (link[0] == SEP) {
-            path0 = link; /* Link to absolute path */
-        }
-        else if (wcschr(link, SEP) == NULL) {
-            /* Link without path */
-        }
-        else {
-            /* Must join(dirname(path0), link) */
-            wchar_t *q = wcsrchr(path0, SEP);
-            if (q == NULL) {
-                /* path0 without path */
-                path0 = link;
-            }
-            else {
-                /* Must make a copy, path0copy has room for 2 * MAXPATHLEN */
-                wcsncpy(path0copy, path0, MAXPATHLEN);
-                q = wcsrchr(path0copy, SEP);
-                wcsncpy(q+1, link, MAXPATHLEN);
-                q[MAXPATHLEN + 1] = L'\0';
-                path0 = path0copy;
-            }
-        }
-    }
-#endif /* HAVE_READLINK */
-
-    wchar_t *p = NULL;
-
-#if SEP == '\\'
-    /* Special case for Microsoft filename syntax */
-    if (have_script_arg) {
-        wchar_t *q;
-#if defined(MS_WINDOWS)
-        /* Replace the first element in argv with the full path. */
-        wchar_t *ptemp;
-        if (GetFullPathNameW(path0,
-                           Py_ARRAY_LENGTH(fullpath),
-                           fullpath,
-                           &ptemp)) {
-            path0 = fullpath;
-        }
-#endif
-        p = wcsrchr(path0, SEP);
-        /* Test for alternate separator */
-        q = wcsrchr(p ? p : path0, '/');
-        if (q != NULL)
-            p = q;
-        if (p != NULL) {
-            n = p + 1 - path0;
-            if (n > 1 && p[-1] != ':')
-                n--; /* Drop trailing separator */
-        }
-    }
-#else
-    /* All other filename syntaxes */
-    if (have_script_arg) {
-#if defined(HAVE_REALPATH)
-        if (_Py_wrealpath(path0, fullpath, Py_ARRAY_LENGTH(fullpath))) {
-            path0 = fullpath;
-        }
-#endif
-        p = wcsrchr(path0, SEP);
-    }
-    if (p != NULL) {
-        n = p + 1 - path0;
-#if SEP == '/' /* Special case for Unix filename syntax */
-        if (n > 1) {
-            /* Drop trailing separator */
-            n--;
-        }
-#endif /* Unix */
-    }
-#endif /* All others */
-
-    PyObject *path0_obj = PyUnicode_FromWideChar(path0, n);
-    if (path0_obj == NULL) {
-        return -1;
-    }
-
-    *path0_p = path0_obj;
-    return 1;
-}
-
-
-#ifdef __cplusplus
-}
-#endif