Victor Stinner | 91b9ecf | 2019-03-01 17:52:56 +0100 | [diff] [blame] | 1 | #include "Python.h" |
Victor Stinner | 4f98f46 | 2020-04-15 04:01:58 +0200 | [diff] [blame] | 2 | #include "pycore_getopt.h" // _PyOS_GetOpt() |
| 3 | #include "pycore_initconfig.h" // _PyArgv |
Victor Stinner | d9ea5ca | 2020-04-15 02:57:50 +0200 | [diff] [blame] | 4 | #include "pycore_pymem.h" // _PyMem_GetAllocatorName() |
| 5 | #include "pycore_runtime.h" // _PyRuntime_Initialize() |
| 6 | #include <locale.h> // setlocale() |
Victor Stinner | 91b9ecf | 2019-03-01 17:52:56 +0100 | [diff] [blame] | 7 | |
| 8 | |
| 9 | #define DECODE_LOCALE_ERR(NAME, LEN) \ |
| 10 | (((LEN) == -2) \ |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 11 | ? _PyStatus_ERR("cannot decode " NAME) \ |
| 12 | : _PyStatus_NO_MEMORY()) |
| 13 | |
| 14 | |
| 15 | /* Forward declarations */ |
| 16 | static void |
| 17 | preconfig_copy(PyPreConfig *config, const PyPreConfig *config2); |
Victor Stinner | 91b9ecf | 2019-03-01 17:52:56 +0100 | [diff] [blame] | 18 | |
| 19 | |
| 20 | /* --- File system encoding/errors -------------------------------- */ |
| 21 | |
| 22 | /* The filesystem encoding is chosen by config_init_fs_encoding(), |
Victor Stinner | 709d23d | 2019-05-02 14:56:30 -0400 | [diff] [blame] | 23 | see also initfsencoding(). |
| 24 | |
| 25 | Py_FileSystemDefaultEncoding and Py_FileSystemDefaultEncodeErrors |
| 26 | are encoded to UTF-8. */ |
Victor Stinner | 91b9ecf | 2019-03-01 17:52:56 +0100 | [diff] [blame] | 27 | const char *Py_FileSystemDefaultEncoding = NULL; |
| 28 | int Py_HasFileSystemDefaultEncoding = 0; |
| 29 | const char *Py_FileSystemDefaultEncodeErrors = NULL; |
| 30 | int _Py_HasFileSystemDefaultEncodeErrors = 0; |
| 31 | |
| 32 | void |
| 33 | _Py_ClearFileSystemEncoding(void) |
| 34 | { |
| 35 | if (!Py_HasFileSystemDefaultEncoding && Py_FileSystemDefaultEncoding) { |
| 36 | PyMem_RawFree((char*)Py_FileSystemDefaultEncoding); |
| 37 | Py_FileSystemDefaultEncoding = NULL; |
| 38 | } |
| 39 | if (!_Py_HasFileSystemDefaultEncodeErrors && Py_FileSystemDefaultEncodeErrors) { |
| 40 | PyMem_RawFree((char*)Py_FileSystemDefaultEncodeErrors); |
| 41 | Py_FileSystemDefaultEncodeErrors = NULL; |
| 42 | } |
| 43 | } |
| 44 | |
| 45 | |
| 46 | /* Set Py_FileSystemDefaultEncoding and Py_FileSystemDefaultEncodeErrors |
| 47 | global configuration variables. */ |
| 48 | int |
| 49 | _Py_SetFileSystemEncoding(const char *encoding, const char *errors) |
| 50 | { |
| 51 | char *encoding2 = _PyMem_RawStrdup(encoding); |
| 52 | if (encoding2 == NULL) { |
| 53 | return -1; |
| 54 | } |
| 55 | |
| 56 | char *errors2 = _PyMem_RawStrdup(errors); |
| 57 | if (errors2 == NULL) { |
| 58 | PyMem_RawFree(encoding2); |
| 59 | return -1; |
| 60 | } |
| 61 | |
| 62 | _Py_ClearFileSystemEncoding(); |
| 63 | |
| 64 | Py_FileSystemDefaultEncoding = encoding2; |
| 65 | Py_HasFileSystemDefaultEncoding = 0; |
| 66 | |
| 67 | Py_FileSystemDefaultEncodeErrors = errors2; |
| 68 | _Py_HasFileSystemDefaultEncodeErrors = 0; |
| 69 | return 0; |
| 70 | } |
| 71 | |
| 72 | |
| 73 | /* --- _PyArgv ---------------------------------------------------- */ |
| 74 | |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 75 | /* Decode bytes_argv using Py_DecodeLocale() */ |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 76 | PyStatus |
| 77 | _PyArgv_AsWstrList(const _PyArgv *args, PyWideStringList *list) |
Victor Stinner | 91b9ecf | 2019-03-01 17:52:56 +0100 | [diff] [blame] | 78 | { |
Victor Stinner | fb4ae15 | 2019-09-30 01:40:17 +0200 | [diff] [blame] | 79 | PyWideStringList wargv = _PyWideStringList_INIT; |
Victor Stinner | 91b9ecf | 2019-03-01 17:52:56 +0100 | [diff] [blame] | 80 | if (args->use_bytes_argv) { |
Victor Stinner | 74f6568 | 2019-03-15 15:08:05 +0100 | [diff] [blame] | 81 | size_t size = sizeof(wchar_t*) * args->argc; |
| 82 | wargv.items = (wchar_t **)PyMem_RawMalloc(size); |
| 83 | if (wargv.items == NULL) { |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 84 | return _PyStatus_NO_MEMORY(); |
Victor Stinner | 91b9ecf | 2019-03-01 17:52:56 +0100 | [diff] [blame] | 85 | } |
| 86 | |
Victor Stinner | 74f6568 | 2019-03-15 15:08:05 +0100 | [diff] [blame] | 87 | for (Py_ssize_t i = 0; i < args->argc; i++) { |
Victor Stinner | 91b9ecf | 2019-03-01 17:52:56 +0100 | [diff] [blame] | 88 | size_t len; |
| 89 | wchar_t *arg = Py_DecodeLocale(args->bytes_argv[i], &len); |
| 90 | if (arg == NULL) { |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 91 | _PyWideStringList_Clear(&wargv); |
Victor Stinner | 91b9ecf | 2019-03-01 17:52:56 +0100 | [diff] [blame] | 92 | return DECODE_LOCALE_ERR("command line arguments", |
| 93 | (Py_ssize_t)len); |
| 94 | } |
Victor Stinner | 74f6568 | 2019-03-15 15:08:05 +0100 | [diff] [blame] | 95 | wargv.items[i] = arg; |
| 96 | wargv.length++; |
Victor Stinner | 91b9ecf | 2019-03-01 17:52:56 +0100 | [diff] [blame] | 97 | } |
Victor Stinner | 74f6568 | 2019-03-15 15:08:05 +0100 | [diff] [blame] | 98 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 99 | _PyWideStringList_Clear(list); |
Victor Stinner | 74f6568 | 2019-03-15 15:08:05 +0100 | [diff] [blame] | 100 | *list = wargv; |
Victor Stinner | 91b9ecf | 2019-03-01 17:52:56 +0100 | [diff] [blame] | 101 | } |
| 102 | else { |
Victor Stinner | 74f6568 | 2019-03-15 15:08:05 +0100 | [diff] [blame] | 103 | wargv.length = args->argc; |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 104 | wargv.items = (wchar_t **)args->wchar_argv; |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 105 | if (_PyWideStringList_Copy(list, &wargv) < 0) { |
| 106 | return _PyStatus_NO_MEMORY(); |
Victor Stinner | 74f6568 | 2019-03-15 15:08:05 +0100 | [diff] [blame] | 107 | } |
Victor Stinner | 91b9ecf | 2019-03-01 17:52:56 +0100 | [diff] [blame] | 108 | } |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 109 | return _PyStatus_OK(); |
Victor Stinner | 91b9ecf | 2019-03-01 17:52:56 +0100 | [diff] [blame] | 110 | } |
Victor Stinner | cad1f74 | 2019-03-05 02:01:27 +0100 | [diff] [blame] | 111 | |
| 112 | |
Victor Stinner | 6dcb542 | 2019-03-05 02:44:12 +0100 | [diff] [blame] | 113 | /* --- _PyPreCmdline ------------------------------------------------- */ |
| 114 | |
Victor Stinner | fa15376 | 2019-03-20 04:25:38 +0100 | [diff] [blame] | 115 | void |
| 116 | _PyPreCmdline_Clear(_PyPreCmdline *cmdline) |
Victor Stinner | 6dcb542 | 2019-03-05 02:44:12 +0100 | [diff] [blame] | 117 | { |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 118 | _PyWideStringList_Clear(&cmdline->argv); |
| 119 | _PyWideStringList_Clear(&cmdline->xoptions); |
Victor Stinner | 6dcb542 | 2019-03-05 02:44:12 +0100 | [diff] [blame] | 120 | } |
| 121 | |
| 122 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 123 | PyStatus |
Victor Stinner | f72346c | 2019-03-25 17:54:58 +0100 | [diff] [blame] | 124 | _PyPreCmdline_SetArgv(_PyPreCmdline *cmdline, const _PyArgv *args) |
Victor Stinner | fa15376 | 2019-03-20 04:25:38 +0100 | [diff] [blame] | 125 | { |
| 126 | return _PyArgv_AsWstrList(args, &cmdline->argv); |
| 127 | } |
| 128 | |
| 129 | |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 130 | static void |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 131 | precmdline_get_preconfig(_PyPreCmdline *cmdline, const PyPreConfig *config) |
Victor Stinner | f72346c | 2019-03-25 17:54:58 +0100 | [diff] [blame] | 132 | { |
| 133 | #define COPY_ATTR(ATTR) \ |
| 134 | if (config->ATTR != -1) { \ |
| 135 | cmdline->ATTR = config->ATTR; \ |
| 136 | } |
| 137 | |
Victor Stinner | f72346c | 2019-03-25 17:54:58 +0100 | [diff] [blame] | 138 | COPY_ATTR(isolated); |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 139 | COPY_ATTR(use_environment); |
Victor Stinner | 2000495 | 2019-03-26 02:31:11 +0100 | [diff] [blame] | 140 | COPY_ATTR(dev_mode); |
| 141 | |
| 142 | #undef COPY_ATTR |
| 143 | } |
| 144 | |
| 145 | |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 146 | static void |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 147 | precmdline_set_preconfig(const _PyPreCmdline *cmdline, PyPreConfig *config) |
Victor Stinner | 2000495 | 2019-03-26 02:31:11 +0100 | [diff] [blame] | 148 | { |
| 149 | #define COPY_ATTR(ATTR) \ |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 150 | config->ATTR = cmdline->ATTR |
Victor Stinner | 2000495 | 2019-03-26 02:31:11 +0100 | [diff] [blame] | 151 | |
Victor Stinner | 2000495 | 2019-03-26 02:31:11 +0100 | [diff] [blame] | 152 | COPY_ATTR(isolated); |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 153 | COPY_ATTR(use_environment); |
Victor Stinner | 2000495 | 2019-03-26 02:31:11 +0100 | [diff] [blame] | 154 | COPY_ATTR(dev_mode); |
Victor Stinner | f72346c | 2019-03-25 17:54:58 +0100 | [diff] [blame] | 155 | |
| 156 | #undef COPY_ATTR |
| 157 | } |
| 158 | |
| 159 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 160 | PyStatus |
| 161 | _PyPreCmdline_SetConfig(const _PyPreCmdline *cmdline, PyConfig *config) |
Victor Stinner | a6fbc4e | 2019-03-25 18:37:10 +0100 | [diff] [blame] | 162 | { |
| 163 | #define COPY_ATTR(ATTR) \ |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 164 | config->ATTR = cmdline->ATTR |
| 165 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 166 | PyStatus status = _PyWideStringList_Extend(&config->xoptions, &cmdline->xoptions); |
| 167 | if (_PyStatus_EXCEPTION(status)) { |
| 168 | return status; |
Victor Stinner | a6fbc4e | 2019-03-25 18:37:10 +0100 | [diff] [blame] | 169 | } |
| 170 | |
Victor Stinner | a6fbc4e | 2019-03-25 18:37:10 +0100 | [diff] [blame] | 171 | COPY_ATTR(isolated); |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 172 | COPY_ATTR(use_environment); |
Victor Stinner | 2000495 | 2019-03-26 02:31:11 +0100 | [diff] [blame] | 173 | COPY_ATTR(dev_mode); |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 174 | return _PyStatus_OK(); |
Victor Stinner | a6fbc4e | 2019-03-25 18:37:10 +0100 | [diff] [blame] | 175 | |
| 176 | #undef COPY_ATTR |
| 177 | } |
| 178 | |
| 179 | |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 180 | /* Parse the command line arguments */ |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 181 | static PyStatus |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 182 | precmdline_parse_cmdline(_PyPreCmdline *cmdline) |
| 183 | { |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 184 | const PyWideStringList *argv = &cmdline->argv; |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 185 | |
| 186 | _PyOS_ResetGetOpt(); |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 187 | /* Don't log parsing errors into stderr here: PyConfig_Read() |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 188 | is responsible for that */ |
| 189 | _PyOS_opterr = 0; |
| 190 | do { |
| 191 | int longindex = -1; |
| 192 | int c = _PyOS_GetOpt(argv->length, argv->items, &longindex); |
| 193 | |
| 194 | if (c == EOF || c == 'c' || c == 'm') { |
| 195 | break; |
| 196 | } |
| 197 | |
| 198 | switch (c) { |
| 199 | case 'E': |
| 200 | cmdline->use_environment = 0; |
| 201 | break; |
| 202 | |
| 203 | case 'I': |
| 204 | cmdline->isolated = 1; |
| 205 | break; |
| 206 | |
| 207 | case 'X': |
| 208 | { |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 209 | PyStatus status = PyWideStringList_Append(&cmdline->xoptions, |
| 210 | _PyOS_optarg); |
| 211 | if (_PyStatus_EXCEPTION(status)) { |
| 212 | return status; |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 213 | } |
| 214 | break; |
| 215 | } |
| 216 | |
| 217 | default: |
| 218 | /* ignore other argument: |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 219 | handled by PyConfig_Read() */ |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 220 | break; |
| 221 | } |
| 222 | } while (1); |
| 223 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 224 | return _PyStatus_OK(); |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 225 | } |
| 226 | |
| 227 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 228 | PyStatus |
| 229 | _PyPreCmdline_Read(_PyPreCmdline *cmdline, const PyPreConfig *preconfig) |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 230 | { |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 231 | precmdline_get_preconfig(cmdline, preconfig); |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 232 | |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 233 | if (preconfig->parse_argv) { |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 234 | PyStatus status = precmdline_parse_cmdline(cmdline); |
| 235 | if (_PyStatus_EXCEPTION(status)) { |
| 236 | return status; |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 237 | } |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 238 | } |
| 239 | |
| 240 | /* isolated, use_environment */ |
| 241 | if (cmdline->isolated < 0) { |
| 242 | cmdline->isolated = 0; |
| 243 | } |
| 244 | if (cmdline->isolated > 0) { |
| 245 | cmdline->use_environment = 0; |
| 246 | } |
| 247 | if (cmdline->use_environment < 0) { |
| 248 | cmdline->use_environment = 0; |
| 249 | } |
| 250 | |
| 251 | /* dev_mode */ |
Victor Stinner | bab0db6 | 2019-05-18 03:21:27 +0200 | [diff] [blame] | 252 | if ((cmdline->dev_mode < 0) |
| 253 | && (_Py_get_xoption(&cmdline->xoptions, L"dev") |
| 254 | || _Py_GetEnv(cmdline->use_environment, "PYTHONDEVMODE"))) |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 255 | { |
| 256 | cmdline->dev_mode = 1; |
| 257 | } |
| 258 | if (cmdline->dev_mode < 0) { |
| 259 | cmdline->dev_mode = 0; |
| 260 | } |
| 261 | |
| 262 | assert(cmdline->use_environment >= 0); |
| 263 | assert(cmdline->isolated >= 0); |
| 264 | assert(cmdline->dev_mode >= 0); |
| 265 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 266 | return _PyStatus_OK(); |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 267 | } |
| 268 | |
| 269 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 270 | /* --- PyPreConfig ----------------------------------------------- */ |
Victor Stinner | cad1f74 | 2019-03-05 02:01:27 +0100 | [diff] [blame] | 271 | |
Victor Stinner | bab0db6 | 2019-05-18 03:21:27 +0200 | [diff] [blame] | 272 | |
Victor Stinner | 3c30a76 | 2019-10-01 10:56:37 +0200 | [diff] [blame] | 273 | void |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 274 | _PyPreConfig_InitCompatConfig(PyPreConfig *config) |
Victor Stinner | cab5d07 | 2019-05-17 19:01:14 +0200 | [diff] [blame] | 275 | { |
Victor Stinner | bab0db6 | 2019-05-18 03:21:27 +0200 | [diff] [blame] | 276 | memset(config, 0, sizeof(*config)); |
Victor Stinner | 441b10c | 2019-09-28 04:28:35 +0200 | [diff] [blame] | 277 | |
Victor Stinner | 022be02 | 2019-05-22 23:58:50 +0200 | [diff] [blame] | 278 | config->_config_init = (int)_PyConfig_INIT_COMPAT; |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 279 | config->parse_argv = 0; |
Victor Stinner | bab0db6 | 2019-05-18 03:21:27 +0200 | [diff] [blame] | 280 | config->isolated = -1; |
| 281 | config->use_environment = -1; |
| 282 | config->configure_locale = 1; |
Victor Stinner | 20e1e25 | 2019-05-23 04:12:27 +0200 | [diff] [blame] | 283 | |
| 284 | /* bpo-36443: C locale coercion (PEP 538) and UTF-8 Mode (PEP 540) |
| 285 | are disabled by default using the Compat configuration. |
| 286 | |
| 287 | Py_UTF8Mode=1 enables the UTF-8 mode. PYTHONUTF8 environment variable |
| 288 | is ignored (even if use_environment=1). */ |
| 289 | config->utf8_mode = 0; |
| 290 | config->coerce_c_locale = 0; |
| 291 | config->coerce_c_locale_warn = 0; |
| 292 | |
Victor Stinner | bab0db6 | 2019-05-18 03:21:27 +0200 | [diff] [blame] | 293 | config->dev_mode = -1; |
Victor Stinner | c5fa364 | 2020-05-05 16:41:11 +0200 | [diff] [blame] | 294 | #ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS |
| 295 | /* bpo-40512: pymalloc is not compatible with subinterpreters, |
| 296 | force usage of libc malloc() which is thread-safe. */ |
| 297 | #ifdef Py_DEBUG |
| 298 | config->allocator = PYMEM_ALLOCATOR_MALLOC_DEBUG; |
| 299 | #else |
| 300 | config->allocator = PYMEM_ALLOCATOR_MALLOC; |
| 301 | #endif |
| 302 | #else |
Victor Stinner | bab0db6 | 2019-05-18 03:21:27 +0200 | [diff] [blame] | 303 | config->allocator = PYMEM_ALLOCATOR_NOT_SET; |
Victor Stinner | c5fa364 | 2020-05-05 16:41:11 +0200 | [diff] [blame] | 304 | #endif |
Victor Stinner | bab0db6 | 2019-05-18 03:21:27 +0200 | [diff] [blame] | 305 | #ifdef MS_WINDOWS |
| 306 | config->legacy_windows_fs_encoding = -1; |
| 307 | #endif |
Victor Stinner | cab5d07 | 2019-05-17 19:01:14 +0200 | [diff] [blame] | 308 | } |
| 309 | |
| 310 | |
Victor Stinner | 3c30a76 | 2019-10-01 10:56:37 +0200 | [diff] [blame] | 311 | void |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 312 | PyPreConfig_InitPythonConfig(PyPreConfig *config) |
Victor Stinner | cab5d07 | 2019-05-17 19:01:14 +0200 | [diff] [blame] | 313 | { |
Victor Stinner | 3c30a76 | 2019-10-01 10:56:37 +0200 | [diff] [blame] | 314 | _PyPreConfig_InitCompatConfig(config); |
Victor Stinner | cab5d07 | 2019-05-17 19:01:14 +0200 | [diff] [blame] | 315 | |
Victor Stinner | 022be02 | 2019-05-22 23:58:50 +0200 | [diff] [blame] | 316 | config->_config_init = (int)_PyConfig_INIT_PYTHON; |
| 317 | config->isolated = 0; |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 318 | config->parse_argv = 1; |
Victor Stinner | 022be02 | 2019-05-22 23:58:50 +0200 | [diff] [blame] | 319 | config->use_environment = 1; |
Victor Stinner | cab5d07 | 2019-05-17 19:01:14 +0200 | [diff] [blame] | 320 | /* Set to -1 to enable C locale coercion (PEP 538) and UTF-8 Mode (PEP 540) |
| 321 | depending on the LC_CTYPE locale, PYTHONUTF8 and PYTHONCOERCECLOCALE |
| 322 | environment variables. */ |
| 323 | config->coerce_c_locale = -1; |
| 324 | config->coerce_c_locale_warn = -1; |
| 325 | config->utf8_mode = -1; |
Victor Stinner | 022be02 | 2019-05-22 23:58:50 +0200 | [diff] [blame] | 326 | #ifdef MS_WINDOWS |
| 327 | config->legacy_windows_fs_encoding = 0; |
| 328 | #endif |
Victor Stinner | cab5d07 | 2019-05-17 19:01:14 +0200 | [diff] [blame] | 329 | } |
| 330 | |
| 331 | |
Victor Stinner | 3c30a76 | 2019-10-01 10:56:37 +0200 | [diff] [blame] | 332 | void |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 333 | PyPreConfig_InitIsolatedConfig(PyPreConfig *config) |
Victor Stinner | cab5d07 | 2019-05-17 19:01:14 +0200 | [diff] [blame] | 334 | { |
Victor Stinner | 3c30a76 | 2019-10-01 10:56:37 +0200 | [diff] [blame] | 335 | _PyPreConfig_InitCompatConfig(config); |
Victor Stinner | cab5d07 | 2019-05-17 19:01:14 +0200 | [diff] [blame] | 336 | |
Victor Stinner | 022be02 | 2019-05-22 23:58:50 +0200 | [diff] [blame] | 337 | config->_config_init = (int)_PyConfig_INIT_ISOLATED; |
Victor Stinner | bcfbbd7 | 2019-05-17 22:44:16 +0200 | [diff] [blame] | 338 | config->configure_locale = 0; |
Victor Stinner | cab5d07 | 2019-05-17 19:01:14 +0200 | [diff] [blame] | 339 | config->isolated = 1; |
| 340 | config->use_environment = 0; |
Victor Stinner | bab0db6 | 2019-05-18 03:21:27 +0200 | [diff] [blame] | 341 | config->utf8_mode = 0; |
| 342 | config->dev_mode = 0; |
Victor Stinner | cab5d07 | 2019-05-17 19:01:14 +0200 | [diff] [blame] | 343 | #ifdef MS_WINDOWS |
| 344 | config->legacy_windows_fs_encoding = 0; |
| 345 | #endif |
Victor Stinner | cab5d07 | 2019-05-17 19:01:14 +0200 | [diff] [blame] | 346 | } |
| 347 | |
| 348 | |
Victor Stinner | 441b10c | 2019-09-28 04:28:35 +0200 | [diff] [blame] | 349 | PyStatus |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 350 | _PyPreConfig_InitFromPreConfig(PyPreConfig *config, |
| 351 | const PyPreConfig *config2) |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 352 | { |
Victor Stinner | 3c30a76 | 2019-10-01 10:56:37 +0200 | [diff] [blame] | 353 | PyPreConfig_InitPythonConfig(config); |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 354 | preconfig_copy(config, config2); |
Victor Stinner | 441b10c | 2019-09-28 04:28:35 +0200 | [diff] [blame] | 355 | return _PyStatus_OK(); |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 356 | } |
| 357 | |
| 358 | |
Victor Stinner | 3c30a76 | 2019-10-01 10:56:37 +0200 | [diff] [blame] | 359 | void |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 360 | _PyPreConfig_InitFromConfig(PyPreConfig *preconfig, const PyConfig *config) |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 361 | { |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 362 | _PyConfigInitEnum config_init = (_PyConfigInitEnum)config->_config_init; |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 363 | switch (config_init) { |
Victor Stinner | 022be02 | 2019-05-22 23:58:50 +0200 | [diff] [blame] | 364 | case _PyConfig_INIT_PYTHON: |
Victor Stinner | 3c30a76 | 2019-10-01 10:56:37 +0200 | [diff] [blame] | 365 | PyPreConfig_InitPythonConfig(preconfig); |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 366 | break; |
Victor Stinner | 022be02 | 2019-05-22 23:58:50 +0200 | [diff] [blame] | 367 | case _PyConfig_INIT_ISOLATED: |
Victor Stinner | 3c30a76 | 2019-10-01 10:56:37 +0200 | [diff] [blame] | 368 | PyPreConfig_InitIsolatedConfig(preconfig); |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 369 | break; |
Victor Stinner | 022be02 | 2019-05-22 23:58:50 +0200 | [diff] [blame] | 370 | case _PyConfig_INIT_COMPAT: |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 371 | default: |
Victor Stinner | 3c30a76 | 2019-10-01 10:56:37 +0200 | [diff] [blame] | 372 | _PyPreConfig_InitCompatConfig(preconfig); |
Victor Stinner | 441b10c | 2019-09-28 04:28:35 +0200 | [diff] [blame] | 373 | } |
| 374 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 375 | _PyPreConfig_GetConfig(preconfig, config); |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 376 | } |
| 377 | |
| 378 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 379 | static void |
| 380 | preconfig_copy(PyPreConfig *config, const PyPreConfig *config2) |
Victor Stinner | cad1f74 | 2019-03-05 02:01:27 +0100 | [diff] [blame] | 381 | { |
Victor Stinner | cad1f74 | 2019-03-05 02:01:27 +0100 | [diff] [blame] | 382 | #define COPY_ATTR(ATTR) config->ATTR = config2->ATTR |
| 383 | |
Victor Stinner | 20e1e25 | 2019-05-23 04:12:27 +0200 | [diff] [blame] | 384 | COPY_ATTR(_config_init); |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 385 | COPY_ATTR(parse_argv); |
Victor Stinner | cad1f74 | 2019-03-05 02:01:27 +0100 | [diff] [blame] | 386 | COPY_ATTR(isolated); |
| 387 | COPY_ATTR(use_environment); |
Victor Stinner | bcfbbd7 | 2019-05-17 22:44:16 +0200 | [diff] [blame] | 388 | COPY_ATTR(configure_locale); |
Victor Stinner | 2000495 | 2019-03-26 02:31:11 +0100 | [diff] [blame] | 389 | COPY_ATTR(dev_mode); |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 390 | COPY_ATTR(coerce_c_locale); |
| 391 | COPY_ATTR(coerce_c_locale_warn); |
Victor Stinner | b594784 | 2019-05-18 00:38:16 +0200 | [diff] [blame] | 392 | COPY_ATTR(utf8_mode); |
| 393 | COPY_ATTR(allocator); |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 394 | #ifdef MS_WINDOWS |
| 395 | COPY_ATTR(legacy_windows_fs_encoding); |
| 396 | #endif |
Victor Stinner | cad1f74 | 2019-03-05 02:01:27 +0100 | [diff] [blame] | 397 | |
| 398 | #undef COPY_ATTR |
Victor Stinner | cad1f74 | 2019-03-05 02:01:27 +0100 | [diff] [blame] | 399 | } |
| 400 | |
| 401 | |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 402 | PyObject* |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 403 | _PyPreConfig_AsDict(const PyPreConfig *config) |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 404 | { |
| 405 | PyObject *dict; |
| 406 | |
| 407 | dict = PyDict_New(); |
| 408 | if (dict == NULL) { |
| 409 | return NULL; |
| 410 | } |
| 411 | |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 412 | #define SET_ITEM_INT(ATTR) \ |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 413 | do { \ |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 414 | PyObject *obj = PyLong_FromLong(config->ATTR); \ |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 415 | if (obj == NULL) { \ |
| 416 | goto fail; \ |
| 417 | } \ |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 418 | int res = PyDict_SetItemString(dict, #ATTR, obj); \ |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 419 | Py_DECREF(obj); \ |
| 420 | if (res < 0) { \ |
| 421 | goto fail; \ |
| 422 | } \ |
| 423 | } while (0) |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 424 | |
Victor Stinner | 20e1e25 | 2019-05-23 04:12:27 +0200 | [diff] [blame] | 425 | SET_ITEM_INT(_config_init); |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 426 | SET_ITEM_INT(parse_argv); |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 427 | SET_ITEM_INT(isolated); |
| 428 | SET_ITEM_INT(use_environment); |
Victor Stinner | bcfbbd7 | 2019-05-17 22:44:16 +0200 | [diff] [blame] | 429 | SET_ITEM_INT(configure_locale); |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 430 | SET_ITEM_INT(coerce_c_locale); |
| 431 | SET_ITEM_INT(coerce_c_locale_warn); |
| 432 | SET_ITEM_INT(utf8_mode); |
| 433 | #ifdef MS_WINDOWS |
| 434 | SET_ITEM_INT(legacy_windows_fs_encoding); |
| 435 | #endif |
| 436 | SET_ITEM_INT(dev_mode); |
Victor Stinner | b16b4e4 | 2019-05-17 15:20:52 +0200 | [diff] [blame] | 437 | SET_ITEM_INT(allocator); |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 438 | return dict; |
| 439 | |
| 440 | fail: |
| 441 | Py_DECREF(dict); |
| 442 | return NULL; |
| 443 | |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 444 | #undef SET_ITEM_INT |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 445 | } |
| 446 | |
| 447 | |
Victor Stinner | 5ac27a5 | 2019-03-27 13:40:14 +0100 | [diff] [blame] | 448 | void |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 449 | _PyPreConfig_GetConfig(PyPreConfig *preconfig, const PyConfig *config) |
Victor Stinner | 5ac27a5 | 2019-03-27 13:40:14 +0100 | [diff] [blame] | 450 | { |
| 451 | #define COPY_ATTR(ATTR) \ |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 452 | if (config->ATTR != -1) { \ |
| 453 | preconfig->ATTR = config->ATTR; \ |
Victor Stinner | 5ac27a5 | 2019-03-27 13:40:14 +0100 | [diff] [blame] | 454 | } |
| 455 | |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 456 | COPY_ATTR(parse_argv); |
Victor Stinner | 5ac27a5 | 2019-03-27 13:40:14 +0100 | [diff] [blame] | 457 | COPY_ATTR(isolated); |
| 458 | COPY_ATTR(use_environment); |
| 459 | COPY_ATTR(dev_mode); |
| 460 | |
| 461 | #undef COPY_ATTR |
| 462 | } |
| 463 | |
| 464 | |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 465 | static void |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 466 | preconfig_get_global_vars(PyPreConfig *config) |
Victor Stinner | cad1f74 | 2019-03-05 02:01:27 +0100 | [diff] [blame] | 467 | { |
Victor Stinner | 022be02 | 2019-05-22 23:58:50 +0200 | [diff] [blame] | 468 | if (config->_config_init != _PyConfig_INIT_COMPAT) { |
| 469 | /* Python and Isolated configuration ignore global variables */ |
| 470 | return; |
| 471 | } |
| 472 | |
Victor Stinner | cad1f74 | 2019-03-05 02:01:27 +0100 | [diff] [blame] | 473 | #define COPY_FLAG(ATTR, VALUE) \ |
Victor Stinner | cab5d07 | 2019-05-17 19:01:14 +0200 | [diff] [blame] | 474 | if (config->ATTR < 0) { \ |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 475 | config->ATTR = VALUE; \ |
| 476 | } |
Victor Stinner | cad1f74 | 2019-03-05 02:01:27 +0100 | [diff] [blame] | 477 | #define COPY_NOT_FLAG(ATTR, VALUE) \ |
Victor Stinner | cab5d07 | 2019-05-17 19:01:14 +0200 | [diff] [blame] | 478 | if (config->ATTR < 0) { \ |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 479 | config->ATTR = !(VALUE); \ |
| 480 | } |
Victor Stinner | cad1f74 | 2019-03-05 02:01:27 +0100 | [diff] [blame] | 481 | |
| 482 | COPY_FLAG(isolated, Py_IsolatedFlag); |
| 483 | COPY_NOT_FLAG(use_environment, Py_IgnoreEnvironmentFlag); |
Victor Stinner | 20e1e25 | 2019-05-23 04:12:27 +0200 | [diff] [blame] | 484 | if (Py_UTF8Mode > 0) { |
| 485 | config->utf8_mode = Py_UTF8Mode; |
| 486 | } |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 487 | #ifdef MS_WINDOWS |
| 488 | COPY_FLAG(legacy_windows_fs_encoding, Py_LegacyWindowsFSEncodingFlag); |
| 489 | #endif |
Victor Stinner | cad1f74 | 2019-03-05 02:01:27 +0100 | [diff] [blame] | 490 | |
| 491 | #undef COPY_FLAG |
| 492 | #undef COPY_NOT_FLAG |
| 493 | } |
| 494 | |
| 495 | |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 496 | static void |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 497 | preconfig_set_global_vars(const PyPreConfig *config) |
Victor Stinner | cad1f74 | 2019-03-05 02:01:27 +0100 | [diff] [blame] | 498 | { |
| 499 | #define COPY_FLAG(ATTR, VAR) \ |
Victor Stinner | cab5d07 | 2019-05-17 19:01:14 +0200 | [diff] [blame] | 500 | if (config->ATTR >= 0) { \ |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 501 | VAR = config->ATTR; \ |
| 502 | } |
Victor Stinner | cad1f74 | 2019-03-05 02:01:27 +0100 | [diff] [blame] | 503 | #define COPY_NOT_FLAG(ATTR, VAR) \ |
Victor Stinner | cab5d07 | 2019-05-17 19:01:14 +0200 | [diff] [blame] | 504 | if (config->ATTR >= 0) { \ |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 505 | VAR = !config->ATTR; \ |
| 506 | } |
Victor Stinner | cad1f74 | 2019-03-05 02:01:27 +0100 | [diff] [blame] | 507 | |
| 508 | COPY_FLAG(isolated, Py_IsolatedFlag); |
| 509 | COPY_NOT_FLAG(use_environment, Py_IgnoreEnvironmentFlag); |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 510 | #ifdef MS_WINDOWS |
| 511 | COPY_FLAG(legacy_windows_fs_encoding, Py_LegacyWindowsFSEncodingFlag); |
| 512 | #endif |
| 513 | COPY_FLAG(utf8_mode, Py_UTF8Mode); |
Victor Stinner | cad1f74 | 2019-03-05 02:01:27 +0100 | [diff] [blame] | 514 | |
| 515 | #undef COPY_FLAG |
| 516 | #undef COPY_NOT_FLAG |
| 517 | } |
| 518 | |
| 519 | |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 520 | const char* |
Victor Stinner | f78a5e9 | 2019-03-26 00:03:15 +0100 | [diff] [blame] | 521 | _Py_GetEnv(int use_environment, const char *name) |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 522 | { |
Victor Stinner | f78a5e9 | 2019-03-26 00:03:15 +0100 | [diff] [blame] | 523 | assert(use_environment >= 0); |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 524 | |
Victor Stinner | f78a5e9 | 2019-03-26 00:03:15 +0100 | [diff] [blame] | 525 | if (!use_environment) { |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 526 | return NULL; |
| 527 | } |
| 528 | |
| 529 | const char *var = getenv(name); |
| 530 | if (var && var[0] != '\0') { |
| 531 | return var; |
| 532 | } |
| 533 | else { |
| 534 | return NULL; |
| 535 | } |
| 536 | } |
| 537 | |
| 538 | |
| 539 | int |
| 540 | _Py_str_to_int(const char *str, int *result) |
| 541 | { |
| 542 | const char *endptr = str; |
| 543 | errno = 0; |
| 544 | long value = strtol(str, (char **)&endptr, 10); |
| 545 | if (*endptr != '\0' || errno == ERANGE) { |
| 546 | return -1; |
| 547 | } |
| 548 | if (value < INT_MIN || value > INT_MAX) { |
| 549 | return -1; |
| 550 | } |
| 551 | |
| 552 | *result = (int)value; |
| 553 | return 0; |
| 554 | } |
| 555 | |
| 556 | |
| 557 | void |
Victor Stinner | f78a5e9 | 2019-03-26 00:03:15 +0100 | [diff] [blame] | 558 | _Py_get_env_flag(int use_environment, int *flag, const char *name) |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 559 | { |
Victor Stinner | f78a5e9 | 2019-03-26 00:03:15 +0100 | [diff] [blame] | 560 | const char *var = _Py_GetEnv(use_environment, name); |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 561 | if (!var) { |
| 562 | return; |
| 563 | } |
| 564 | int value; |
| 565 | if (_Py_str_to_int(var, &value) < 0 || value < 0) { |
| 566 | /* PYTHONDEBUG=text and PYTHONDEBUG=-2 behave as PYTHONDEBUG=1 */ |
| 567 | value = 1; |
| 568 | } |
| 569 | if (*flag < value) { |
| 570 | *flag = value; |
| 571 | } |
| 572 | } |
| 573 | |
| 574 | |
| 575 | const wchar_t* |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 576 | _Py_get_xoption(const PyWideStringList *xoptions, const wchar_t *name) |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 577 | { |
Victor Stinner | 74f6568 | 2019-03-15 15:08:05 +0100 | [diff] [blame] | 578 | for (Py_ssize_t i=0; i < xoptions->length; i++) { |
| 579 | const wchar_t *option = xoptions->items[i]; |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 580 | size_t len; |
| 581 | wchar_t *sep = wcschr(option, L'='); |
| 582 | if (sep != NULL) { |
| 583 | len = (sep - option); |
| 584 | } |
| 585 | else { |
| 586 | len = wcslen(option); |
| 587 | } |
| 588 | if (wcsncmp(option, name, len) == 0 && name[len] == L'\0') { |
| 589 | return option; |
| 590 | } |
| 591 | } |
| 592 | return NULL; |
| 593 | } |
| 594 | |
| 595 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 596 | static PyStatus |
| 597 | preconfig_init_utf8_mode(PyPreConfig *config, const _PyPreCmdline *cmdline) |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 598 | { |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 599 | #ifdef MS_WINDOWS |
| 600 | if (config->legacy_windows_fs_encoding) { |
| 601 | config->utf8_mode = 0; |
| 602 | } |
| 603 | #endif |
| 604 | |
| 605 | if (config->utf8_mode >= 0) { |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 606 | return _PyStatus_OK(); |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 607 | } |
| 608 | |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 609 | const wchar_t *xopt; |
Victor Stinner | 022be02 | 2019-05-22 23:58:50 +0200 | [diff] [blame] | 610 | xopt = _Py_get_xoption(&cmdline->xoptions, L"utf8"); |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 611 | if (xopt) { |
| 612 | wchar_t *sep = wcschr(xopt, L'='); |
| 613 | if (sep) { |
| 614 | xopt = sep + 1; |
| 615 | if (wcscmp(xopt, L"1") == 0) { |
| 616 | config->utf8_mode = 1; |
| 617 | } |
| 618 | else if (wcscmp(xopt, L"0") == 0) { |
| 619 | config->utf8_mode = 0; |
| 620 | } |
| 621 | else { |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 622 | return _PyStatus_ERR("invalid -X utf8 option value"); |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 623 | } |
| 624 | } |
| 625 | else { |
| 626 | config->utf8_mode = 1; |
| 627 | } |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 628 | return _PyStatus_OK(); |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 629 | } |
| 630 | |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 631 | const char *opt = _Py_GetEnv(config->use_environment, "PYTHONUTF8"); |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 632 | if (opt) { |
| 633 | if (strcmp(opt, "1") == 0) { |
| 634 | config->utf8_mode = 1; |
| 635 | } |
| 636 | else if (strcmp(opt, "0") == 0) { |
| 637 | config->utf8_mode = 0; |
| 638 | } |
| 639 | else { |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 640 | return _PyStatus_ERR("invalid PYTHONUTF8 environment " |
Victor Stinner | db71975 | 2019-05-01 05:35:33 +0200 | [diff] [blame] | 641 | "variable value"); |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 642 | } |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 643 | return _PyStatus_OK(); |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 644 | } |
| 645 | |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 646 | |
| 647 | #ifndef MS_WINDOWS |
| 648 | if (config->utf8_mode < 0) { |
| 649 | /* The C locale and the POSIX locale enable the UTF-8 Mode (PEP 540) */ |
| 650 | const char *ctype_loc = setlocale(LC_CTYPE, NULL); |
| 651 | if (ctype_loc != NULL |
| 652 | && (strcmp(ctype_loc, "C") == 0 |
| 653 | || strcmp(ctype_loc, "POSIX") == 0)) |
| 654 | { |
| 655 | config->utf8_mode = 1; |
| 656 | } |
| 657 | } |
| 658 | #endif |
| 659 | |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 660 | if (config->utf8_mode < 0) { |
| 661 | config->utf8_mode = 0; |
| 662 | } |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 663 | return _PyStatus_OK(); |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 664 | } |
| 665 | |
| 666 | |
| 667 | static void |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 668 | preconfig_init_coerce_c_locale(PyPreConfig *config) |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 669 | { |
Victor Stinner | bcfbbd7 | 2019-05-17 22:44:16 +0200 | [diff] [blame] | 670 | if (!config->configure_locale) { |
| 671 | config->coerce_c_locale = 0; |
| 672 | config->coerce_c_locale_warn = 0; |
| 673 | return; |
| 674 | } |
| 675 | |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 676 | const char *env = _Py_GetEnv(config->use_environment, "PYTHONCOERCECLOCALE"); |
| 677 | if (env) { |
| 678 | if (strcmp(env, "0") == 0) { |
| 679 | if (config->coerce_c_locale < 0) { |
| 680 | config->coerce_c_locale = 0; |
| 681 | } |
| 682 | } |
| 683 | else if (strcmp(env, "warn") == 0) { |
Victor Stinner | cab5d07 | 2019-05-17 19:01:14 +0200 | [diff] [blame] | 684 | if (config->coerce_c_locale_warn < 0) { |
| 685 | config->coerce_c_locale_warn = 1; |
| 686 | } |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 687 | } |
| 688 | else { |
| 689 | if (config->coerce_c_locale < 0) { |
| 690 | config->coerce_c_locale = 1; |
| 691 | } |
| 692 | } |
| 693 | } |
| 694 | |
| 695 | /* Test if coerce_c_locale equals to -1 or equals to 1: |
| 696 | PYTHONCOERCECLOCALE=1 doesn't imply that the C locale is always coerced. |
| 697 | It is only coerced if if the LC_CTYPE locale is "C". */ |
Victor Stinner | cab5d07 | 2019-05-17 19:01:14 +0200 | [diff] [blame] | 698 | if (config->coerce_c_locale < 0 || config->coerce_c_locale == 1) { |
| 699 | /* The C locale enables the C locale coercion (PEP 538) */ |
Victor Stinner | 0f72147 | 2019-05-20 17:16:38 +0200 | [diff] [blame] | 700 | if (_Py_LegacyLocaleDetected(0)) { |
Victor Stinner | cab5d07 | 2019-05-17 19:01:14 +0200 | [diff] [blame] | 701 | config->coerce_c_locale = 2; |
| 702 | } |
| 703 | else { |
| 704 | config->coerce_c_locale = 0; |
| 705 | } |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 706 | } |
| 707 | |
Victor Stinner | cab5d07 | 2019-05-17 19:01:14 +0200 | [diff] [blame] | 708 | if (config->coerce_c_locale_warn < 0) { |
| 709 | config->coerce_c_locale_warn = 0; |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 710 | } |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 711 | } |
Victor Stinner | b35be4b | 2019-03-05 17:37:44 +0100 | [diff] [blame] | 712 | |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 713 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 714 | static PyStatus |
| 715 | preconfig_init_allocator(PyPreConfig *config) |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 716 | { |
Victor Stinner | b16b4e4 | 2019-05-17 15:20:52 +0200 | [diff] [blame] | 717 | if (config->allocator == PYMEM_ALLOCATOR_NOT_SET) { |
Victor Stinner | 25d13f3 | 2019-03-06 12:51:53 +0100 | [diff] [blame] | 718 | /* bpo-34247. The PYTHONMALLOC environment variable has the priority |
| 719 | over PYTHONDEV env var and "-X dev" command line option. |
| 720 | For example, PYTHONMALLOC=malloc PYTHONDEVMODE=1 sets the memory |
| 721 | allocators to "malloc" (and not to "debug"). */ |
Victor Stinner | b16b4e4 | 2019-05-17 15:20:52 +0200 | [diff] [blame] | 722 | const char *envvar = _Py_GetEnv(config->use_environment, "PYTHONMALLOC"); |
| 723 | if (envvar) { |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 724 | PyMemAllocatorName name; |
| 725 | if (_PyMem_GetAllocatorName(envvar, &name) < 0) { |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 726 | return _PyStatus_ERR("PYTHONMALLOC: unknown allocator"); |
Victor Stinner | b35be4b | 2019-03-05 17:37:44 +0100 | [diff] [blame] | 727 | } |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 728 | config->allocator = (int)name; |
Victor Stinner | b35be4b | 2019-03-05 17:37:44 +0100 | [diff] [blame] | 729 | } |
| 730 | } |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 731 | |
Victor Stinner | b16b4e4 | 2019-05-17 15:20:52 +0200 | [diff] [blame] | 732 | if (config->dev_mode && config->allocator == PYMEM_ALLOCATOR_NOT_SET) { |
| 733 | config->allocator = PYMEM_ALLOCATOR_DEBUG; |
Victor Stinner | 25d13f3 | 2019-03-06 12:51:53 +0100 | [diff] [blame] | 734 | } |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 735 | return _PyStatus_OK(); |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 736 | } |
| 737 | |
| 738 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 739 | static PyStatus |
| 740 | preconfig_read(PyPreConfig *config, _PyPreCmdline *cmdline) |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 741 | { |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 742 | PyStatus status; |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 743 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 744 | status = _PyPreCmdline_Read(cmdline, config); |
| 745 | if (_PyStatus_EXCEPTION(status)) { |
| 746 | return status; |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 747 | } |
| 748 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 749 | precmdline_set_preconfig(cmdline, config); |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 750 | |
| 751 | /* legacy_windows_fs_encoding, coerce_c_locale, utf8_mode */ |
| 752 | #ifdef MS_WINDOWS |
| 753 | _Py_get_env_flag(config->use_environment, |
| 754 | &config->legacy_windows_fs_encoding, |
| 755 | "PYTHONLEGACYWINDOWSFSENCODING"); |
| 756 | #endif |
| 757 | |
| 758 | preconfig_init_coerce_c_locale(config); |
| 759 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 760 | status = preconfig_init_utf8_mode(config, cmdline); |
| 761 | if (_PyStatus_EXCEPTION(status)) { |
| 762 | return status; |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 763 | } |
| 764 | |
| 765 | /* allocator */ |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 766 | status = preconfig_init_allocator(config); |
| 767 | if (_PyStatus_EXCEPTION(status)) { |
| 768 | return status; |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 769 | } |
Victor Stinner | 25d13f3 | 2019-03-06 12:51:53 +0100 | [diff] [blame] | 770 | |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 771 | assert(config->coerce_c_locale >= 0); |
Victor Stinner | cab5d07 | 2019-05-17 19:01:14 +0200 | [diff] [blame] | 772 | assert(config->coerce_c_locale_warn >= 0); |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 773 | #ifdef MS_WINDOWS |
| 774 | assert(config->legacy_windows_fs_encoding >= 0); |
| 775 | #endif |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 776 | assert(config->utf8_mode >= 0); |
Victor Stinner | 6dcb542 | 2019-03-05 02:44:12 +0100 | [diff] [blame] | 777 | assert(config->isolated >= 0); |
Victor Stinner | cad1f74 | 2019-03-05 02:01:27 +0100 | [diff] [blame] | 778 | assert(config->use_environment >= 0); |
Victor Stinner | b35be4b | 2019-03-05 17:37:44 +0100 | [diff] [blame] | 779 | assert(config->dev_mode >= 0); |
Victor Stinner | cad1f74 | 2019-03-05 02:01:27 +0100 | [diff] [blame] | 780 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 781 | return _PyStatus_OK(); |
Victor Stinner | cad1f74 | 2019-03-05 02:01:27 +0100 | [diff] [blame] | 782 | } |
| 783 | |
| 784 | |
Victor Stinner | 4fffd38 | 2019-03-06 01:44:31 +0100 | [diff] [blame] | 785 | /* Read the configuration from: |
| 786 | |
| 787 | - command line arguments |
| 788 | - environment variables |
| 789 | - Py_xxx global configuration variables |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 790 | - the LC_CTYPE locale */ |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 791 | PyStatus |
| 792 | _PyPreConfig_Read(PyPreConfig *config, const _PyArgv *args) |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 793 | { |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 794 | PyStatus status; |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 795 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 796 | status = _PyRuntime_Initialize(); |
| 797 | if (_PyStatus_EXCEPTION(status)) { |
| 798 | return status; |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 799 | } |
| 800 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 801 | preconfig_get_global_vars(config); |
Victor Stinner | f29084d | 2019-03-20 02:20:13 +0100 | [diff] [blame] | 802 | |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 803 | /* Copy LC_CTYPE locale, since it's modified later */ |
| 804 | const char *loc = setlocale(LC_CTYPE, NULL); |
| 805 | if (loc == NULL) { |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 806 | return _PyStatus_ERR("failed to LC_CTYPE locale"); |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 807 | } |
| 808 | char *init_ctype_locale = _PyMem_RawStrdup(loc); |
| 809 | if (init_ctype_locale == NULL) { |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 810 | return _PyStatus_NO_MEMORY(); |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 811 | } |
| 812 | |
| 813 | /* Save the config to be able to restore it if encodings change */ |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 814 | PyPreConfig save_config; |
Victor Stinner | 441b10c | 2019-09-28 04:28:35 +0200 | [diff] [blame] | 815 | |
| 816 | status = _PyPreConfig_InitFromPreConfig(&save_config, config); |
| 817 | if (_PyStatus_EXCEPTION(status)) { |
| 818 | return status; |
| 819 | } |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 820 | |
| 821 | /* Set LC_CTYPE to the user preferred locale */ |
Victor Stinner | bcfbbd7 | 2019-05-17 22:44:16 +0200 | [diff] [blame] | 822 | if (config->configure_locale) { |
| 823 | _Py_SetLocaleFromEnv(LC_CTYPE); |
| 824 | } |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 825 | |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 826 | _PyPreCmdline cmdline = _PyPreCmdline_INIT; |
Victor Stinner | 6a8c313 | 2019-04-05 11:44:04 +0200 | [diff] [blame] | 827 | int init_utf8_mode = Py_UTF8Mode; |
| 828 | #ifdef MS_WINDOWS |
| 829 | int init_legacy_encoding = Py_LegacyWindowsFSEncodingFlag; |
| 830 | #endif |
| 831 | |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 832 | int locale_coerced = 0; |
| 833 | int loops = 0; |
| 834 | |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 835 | while (1) { |
| 836 | int utf8_mode = config->utf8_mode; |
| 837 | |
| 838 | /* Watchdog to prevent an infinite loop */ |
| 839 | loops++; |
| 840 | if (loops == 3) { |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 841 | status = _PyStatus_ERR("Encoding changed twice while " |
Victor Stinner | 8eb4aea | 2020-06-10 19:33:11 +0200 | [diff] [blame] | 842 | "reading the configuration"); |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 843 | goto done; |
| 844 | } |
| 845 | |
| 846 | /* bpo-34207: Py_DecodeLocale() and Py_EncodeLocale() depend |
| 847 | on Py_UTF8Mode and Py_LegacyWindowsFSEncodingFlag. */ |
| 848 | Py_UTF8Mode = config->utf8_mode; |
| 849 | #ifdef MS_WINDOWS |
| 850 | Py_LegacyWindowsFSEncodingFlag = config->legacy_windows_fs_encoding; |
| 851 | #endif |
| 852 | |
Victor Stinner | 8eb4aea | 2020-06-10 19:33:11 +0200 | [diff] [blame] | 853 | if (args) { |
| 854 | // Set command line arguments at each iteration. If they are bytes |
| 855 | // strings, they are decoded from the new encoding. |
| 856 | status = _PyPreCmdline_SetArgv(&cmdline, args); |
| 857 | if (_PyStatus_EXCEPTION(status)) { |
| 858 | goto done; |
| 859 | } |
| 860 | } |
| 861 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 862 | status = preconfig_read(config, &cmdline); |
| 863 | if (_PyStatus_EXCEPTION(status)) { |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 864 | goto done; |
| 865 | } |
| 866 | |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 867 | /* The legacy C locale assumes ASCII as the default text encoding, which |
| 868 | * causes problems not only for the CPython runtime, but also other |
| 869 | * components like GNU readline. |
| 870 | * |
| 871 | * Accordingly, when the CLI detects it, it attempts to coerce it to a |
| 872 | * more capable UTF-8 based alternative. |
| 873 | * |
| 874 | * See the documentation of the PYTHONCOERCECLOCALE setting for more |
| 875 | * details. |
| 876 | */ |
| 877 | int encoding_changed = 0; |
| 878 | if (config->coerce_c_locale && !locale_coerced) { |
| 879 | locale_coerced = 1; |
| 880 | _Py_CoerceLegacyLocale(0); |
| 881 | encoding_changed = 1; |
| 882 | } |
| 883 | |
| 884 | if (utf8_mode == -1) { |
| 885 | if (config->utf8_mode == 1) { |
| 886 | /* UTF-8 Mode enabled */ |
| 887 | encoding_changed = 1; |
| 888 | } |
| 889 | } |
| 890 | else { |
| 891 | if (config->utf8_mode != utf8_mode) { |
| 892 | encoding_changed = 1; |
| 893 | } |
| 894 | } |
| 895 | |
| 896 | if (!encoding_changed) { |
| 897 | break; |
| 898 | } |
| 899 | |
| 900 | /* Reset the configuration before reading again the configuration, |
Victor Stinner | 8eb4aea | 2020-06-10 19:33:11 +0200 | [diff] [blame] | 901 | just keep UTF-8 Mode and coerce C locale value. */ |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 902 | int new_utf8_mode = config->utf8_mode; |
| 903 | int new_coerce_c_locale = config->coerce_c_locale; |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 904 | preconfig_copy(config, &save_config); |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 905 | config->utf8_mode = new_utf8_mode; |
| 906 | config->coerce_c_locale = new_coerce_c_locale; |
| 907 | |
| 908 | /* The encoding changed: read again the configuration |
| 909 | with the new encoding */ |
| 910 | } |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 911 | status = _PyStatus_OK(); |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 912 | |
| 913 | done: |
| 914 | if (init_ctype_locale != NULL) { |
| 915 | setlocale(LC_CTYPE, init_ctype_locale); |
Victor Stinner | c183444 | 2019-03-18 22:24:28 +0100 | [diff] [blame] | 916 | PyMem_RawFree(init_ctype_locale); |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 917 | } |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 918 | Py_UTF8Mode = init_utf8_mode ; |
| 919 | #ifdef MS_WINDOWS |
| 920 | Py_LegacyWindowsFSEncodingFlag = init_legacy_encoding; |
| 921 | #endif |
Victor Stinner | f8ba6f5 | 2019-03-26 16:58:50 +0100 | [diff] [blame] | 922 | _PyPreCmdline_Clear(&cmdline); |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 923 | return status; |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 924 | } |
| 925 | |
| 926 | |
Victor Stinner | 4fffd38 | 2019-03-06 01:44:31 +0100 | [diff] [blame] | 927 | /* Write the pre-configuration: |
| 928 | |
| 929 | - set the memory allocators |
| 930 | - set Py_xxx global configuration variables |
| 931 | - set the LC_CTYPE locale (coerce C locale, PEP 538) and set the UTF-8 mode |
| 932 | (PEP 540) |
Victor Stinner | c656e25 | 2019-03-06 01:13:43 +0100 | [diff] [blame] | 933 | |
Victor Stinner | 0f72147 | 2019-05-20 17:16:38 +0200 | [diff] [blame] | 934 | The applied configuration is written into _PyRuntime.preconfig. |
| 935 | If the C locale cannot be coerced, set coerce_c_locale to 0. |
Victor Stinner | 4fffd38 | 2019-03-06 01:44:31 +0100 | [diff] [blame] | 936 | |
| 937 | Do nothing if called after Py_Initialize(): ignore the new |
| 938 | pre-configuration. */ |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 939 | PyStatus |
| 940 | _PyPreConfig_Write(const PyPreConfig *src_config) |
Victor Stinner | 6dcb542 | 2019-03-05 02:44:12 +0100 | [diff] [blame] | 941 | { |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 942 | PyPreConfig config; |
Victor Stinner | 441b10c | 2019-09-28 04:28:35 +0200 | [diff] [blame] | 943 | |
| 944 | PyStatus status = _PyPreConfig_InitFromPreConfig(&config, src_config); |
| 945 | if (_PyStatus_EXCEPTION(status)) { |
| 946 | return status; |
| 947 | } |
Victor Stinner | 0f72147 | 2019-05-20 17:16:38 +0200 | [diff] [blame] | 948 | |
Victor Stinner | 7d2ef3e | 2019-03-06 00:36:56 +0100 | [diff] [blame] | 949 | if (_PyRuntime.core_initialized) { |
Victor Stinner | 4fffd38 | 2019-03-06 01:44:31 +0100 | [diff] [blame] | 950 | /* bpo-34008: Calling this functions after Py_Initialize() ignores |
Victor Stinner | 7d2ef3e | 2019-03-06 00:36:56 +0100 | [diff] [blame] | 951 | the new configuration. */ |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 952 | return _PyStatus_OK(); |
Victor Stinner | 7d2ef3e | 2019-03-06 00:36:56 +0100 | [diff] [blame] | 953 | } |
| 954 | |
Victor Stinner | 0f72147 | 2019-05-20 17:16:38 +0200 | [diff] [blame] | 955 | PyMemAllocatorName name = (PyMemAllocatorName)config.allocator; |
Victor Stinner | 6d1c467 | 2019-05-20 11:02:00 +0200 | [diff] [blame] | 956 | if (name != PYMEM_ALLOCATOR_NOT_SET) { |
| 957 | if (_PyMem_SetupAllocators(name) < 0) { |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 958 | return _PyStatus_ERR("Unknown PYTHONMALLOC allocator"); |
Victor Stinner | 7d2ef3e | 2019-03-06 00:36:56 +0100 | [diff] [blame] | 959 | } |
| 960 | } |
| 961 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 962 | preconfig_set_global_vars(&config); |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 963 | |
Victor Stinner | 0f72147 | 2019-05-20 17:16:38 +0200 | [diff] [blame] | 964 | if (config.configure_locale) { |
| 965 | if (config.coerce_c_locale) { |
| 966 | if (!_Py_CoerceLegacyLocale(config.coerce_c_locale_warn)) { |
| 967 | /* C locale not coerced */ |
| 968 | config.coerce_c_locale = 0; |
| 969 | } |
Victor Stinner | bcfbbd7 | 2019-05-17 22:44:16 +0200 | [diff] [blame] | 970 | } |
Victor Stinner | 5a02e0d | 2019-03-05 12:32:09 +0100 | [diff] [blame] | 971 | |
Victor Stinner | bcfbbd7 | 2019-05-17 22:44:16 +0200 | [diff] [blame] | 972 | /* Set LC_CTYPE to the user preferred locale */ |
| 973 | _Py_SetLocaleFromEnv(LC_CTYPE); |
| 974 | } |
Victor Stinner | 7d2ef3e | 2019-03-06 00:36:56 +0100 | [diff] [blame] | 975 | |
Victor Stinner | 6d5ee97 | 2019-03-23 12:05:43 +0100 | [diff] [blame] | 976 | /* Write the new pre-configuration into _PyRuntime */ |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 977 | preconfig_copy(&_PyRuntime.preconfig, &config); |
Victor Stinner | 6d5ee97 | 2019-03-23 12:05:43 +0100 | [diff] [blame] | 978 | |
Victor Stinner | 331a6a5 | 2019-05-27 16:39:22 +0200 | [diff] [blame] | 979 | return _PyStatus_OK(); |
Victor Stinner | 6dcb542 | 2019-03-05 02:44:12 +0100 | [diff] [blame] | 980 | } |