cpython/Python/initconfig.c at main · python/cpython · GitHub

History

5026 lines (4361 loc) · 142 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

325

326

327

328

329

330

331

332

333

334

335

336

337

338

339

340

341

342

343

344

345

346

347

348

349

350

351

352

353

354

355

356

357

358

359

360

361

362

363

364

365

366

367

368

369

370

371

372

373

374

375

376

377

378

379

380

381

382

383

384

385

386

387

388

389

390

391

392

393

394

395

396

397

398

399

400

401

402

403

404

405

406

407

408

409

410

411

412

413

414

415

416

417

418

419

420

421

422

423

424

425

426

427

428

429

430

431

432

433

434

435

436

437

438

439

440

441

442

443

444

445

446

447

448

449

450

451

452

453

454

455

456

457

458

459

460

461

462

463

464

465

466

467

468

469

470

471

472

473

474

475

476

477

478

479

480

481

482

483

484

485

486

487

488

489

490

491

492

493

494

495

496

497

498

499

500

501

502

503

504

505

506

507

508

509

510

511

512

513

514

515

516

517

518

519

520

521

522

523

524

525

526

527

528

529

530

531

532

533

534

535

536

537

538

539

540

541

542

543

544

545

546

547

548

549

550

551

552

553

554

555

556

557

558

559

560

561

562

563

564

565

566

567

568

569

570

571

572

573

574

575

576

577

578

579

580

581

582

583

584

585

586

587

588

589

590

591

592

593

594

595

596

597

598

599

600

601

602

603

604

605

606

607

608

609

610

611

612

613

614

615

616

617

618

619

620

621

622

623

624

625

626

627

628

629

630

631

632

633

634

635

636

637

638

639

640

641

642

643

644

645

646

647

648

649

650

651

652

653

654

655

656

657

658

659

660

661

662

663

664

665

666

667

668

669

670

671

672

673

674

675

676

677

678

679

680

681

682

683

684

685

686

687

688

689

690

691

692

693

694

695

696

697

698

699

700

701

702

703

704

705

706

707

708

709

710

711

712

713

714

715

716

717

718

719

720

721

722

723

724

725

726

727

728

729

730

731

732

733

734

735

736

737

738

739

740

741

742

743

744

745

746

747

748

749

750

751

752

753

754

755

756

757

758

759

760

761

762

763

764

765

766

767

768

769

770

771

772

773

774

775

776

777

778

779

780

781

782

783

784

785

786

787

788

789

790

791

792

793

794

795

796

797

798

799

800

801

802

803

804

805

806

807

808

809

810

811

812

813

814

815

816

817

818

819

820

821

822

823

824

825

826

827

828

829

830

831

832

833

834

835

836

837

838

839

840

841

842

843

844

845

846

847

848

849

850

851

852

853

854

855

856

857

858

859

860

861

862

863

864

865

866

867

868

869

870

871

872

873

874

875

876

877

878

879

880

881

882

883

884

885

886

887

888

889

890

891

892

893

894

895

896

897

898

899

900

901

902

903

904

905

906

907

908

909

910

911

912

913

914

915

916

917

918

919

920

921

922

923

924

925

926

927

928

929

930

931

932

933

934

935

936

937

938

939

940

941

942

943

944

945

946

947

948

949

950

951

952

953

954

955

956

957

958

959

960

961

962

963

964

965

966

967

968

969

970

971

972

973

974

975

976

977

978

979

980

981

982

983

984

985

986

987

988

989

990

991

992

993

994

995

996

997

998

999

1000

#include "Python.h"

#include "pycore_fileutils.h" // _Py_HasFileSystemDefaultEncodeErrors

#include "pycore_getopt.h" // _PyOS_GetOpt()

#include "pycore_initconfig.h" // _PyStatus_OK()

#include "pycore_interp.h" // _PyInterpreterState.runtime

#include "pycore_long.h" // _PY_LONG_MAX_STR_DIGITS_THRESHOLD

#include "pycore_pathconfig.h" // _Py_path_config

#include "pycore_pyerrors.h" // _PyErr_GetRaisedException()

#include "pycore_pylifecycle.h" // _Py_PreInitializeFromConfig()

#include "pycore_pymem.h" // _PyMem_DefaultRawMalloc()

#include "pycore_pyhash.h" // _Py_HashSecret

#include "pycore_pystate.h" // _PyThreadState_GET()

#include "pycore_pystats.h" // _Py_StatsOn()

#include "pycore_sysmodule.h" // _PySys_SetIntMaxStrDigits()

#include "osdefs.h" // DELIM

#include <locale.h> // setlocale()

#include <stdlib.h> // getenv()

#if defined(MS_WINDOWS) || defined(__CYGWIN__)

# ifdef HAVE_IO_H

# include <io.h>

# endif

# ifdef HAVE_FCNTL_H

# include <fcntl.h> // O_BINARY

# endif

#endif

#ifdef __APPLE__

/* Enable system log by default on non-macOS Apple platforms */

# if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE

#define USE_SYSTEM_LOGGER_DEFAULT 1;

# else

#define USE_SYSTEM_LOGGER_DEFAULT 0;

# endif

#endif

#include "config_common.h"

/* --- PyConfig setters ------------------------------------------- */

typedef PyObject* (*config_sys_flag_setter) (int value);

static PyObject*

config_sys_flag_long(int value)

{

return PyLong_FromLong(value);

}

static PyObject*

config_sys_flag_not(int value)

{

value = (!value);

return config_sys_flag_long(value);

}

/* --- PyConfig spec ---------------------------------------------- */

typedef enum {

PyConfig_MEMBER_INT = 0,

PyConfig_MEMBER_UINT = 1,

PyConfig_MEMBER_ULONG = 2,

PyConfig_MEMBER_BOOL = 3,

PyConfig_MEMBER_WSTR = 10,

PyConfig_MEMBER_WSTR_OPT = 11,

PyConfig_MEMBER_WSTR_LIST = 12,

} PyConfigMemberType;

typedef enum {

// Option which cannot be get or set by PyConfig_Get() and PyConfig_Set()

PyConfig_MEMBER_INIT_ONLY = 0,

// Option which cannot be set by PyConfig_Set()

PyConfig_MEMBER_READ_ONLY = 1,

// Public option: can be get and set by PyConfig_Get() and PyConfig_Set()

PyConfig_MEMBER_PUBLIC = 2,

} PyConfigMemberVisibility;

typedef struct {

const char *attr;

int flag_index;

config_sys_flag_setter flag_setter;

} PyConfigSysSpec;

typedef struct {

int *ptr;

int not;

} PyConfigGlobalVar;

typedef struct {

const char *name;

size_t offset;

PyConfigMemberType type;

PyConfigMemberVisibility visibility;

PyConfigSysSpec sys;

PyConfigGlobalVar global_var;

} PyConfigSpec;

#define SPEC(MEMBER, TYPE, VISIBILITY, sys, global_var) \

{#MEMBER, offsetof(PyConfig, MEMBER), \

PyConfig_MEMBER_##TYPE, PyConfig_MEMBER_##VISIBILITY, sys, global_var}

#define SYS_ATTR(name) {name, -1, NULL}

#define SYS_FLAG_SETTER(index, setter) {NULL, index, setter}

#define SYS_FLAG(index) SYS_FLAG_SETTER(index, NULL)

#define NO_SYS SYS_ATTR(NULL)

#define GLOBAL(ptr, not) {ptr, not}

#define NO_GLOBAL GLOBAL(NULL, 0)

// Ignore deprecations on global variables such as Py_IsolatedFlag

_Py_COMP_DIAG_PUSH

_Py_COMP_DIAG_IGNORE_DEPR_DECLS

// Update _test_embed_set_config when adding new members

static const PyConfigSpec PYCONFIG_SPEC[] = {

// --- Public options -----------

SPEC(argv, WSTR_LIST, PUBLIC, SYS_ATTR("argv"), NO_GLOBAL),

SPEC(base_exec_prefix, WSTR_OPT, PUBLIC, SYS_ATTR("base_exec_prefix"), NO_GLOBAL),

SPEC(base_executable, WSTR_OPT, PUBLIC, SYS_ATTR("_base_executable"), NO_GLOBAL),

SPEC(base_prefix, WSTR_OPT, PUBLIC, SYS_ATTR("base_prefix"), NO_GLOBAL),

SPEC(bytes_warning, UINT, PUBLIC, SYS_FLAG(9), GLOBAL(&Py_BytesWarningFlag, 0)),

SPEC(cpu_count, INT, PUBLIC, NO_SYS, NO_GLOBAL),

SPEC(lazy_imports, INT, PUBLIC, NO_SYS, NO_GLOBAL),

SPEC(exec_prefix, WSTR_OPT, PUBLIC, SYS_ATTR("exec_prefix"), NO_GLOBAL),

SPEC(executable, WSTR_OPT, PUBLIC, SYS_ATTR("executable"), NO_GLOBAL),

SPEC(inspect, BOOL, PUBLIC, SYS_FLAG(1), GLOBAL(&Py_InspectFlag, 0)),

SPEC(int_max_str_digits, UINT, PUBLIC, NO_SYS, NO_GLOBAL),

SPEC(interactive, BOOL, PUBLIC, SYS_FLAG(2), GLOBAL(&Py_InteractiveFlag, 0)),

SPEC(module_search_paths, WSTR_LIST, PUBLIC, SYS_ATTR("path"), NO_GLOBAL),

SPEC(optimization_level, UINT, PUBLIC, SYS_FLAG(3), GLOBAL(&Py_OptimizeFlag, 0)),

SPEC(parser_debug, BOOL, PUBLIC, SYS_FLAG(0), GLOBAL(&Py_DebugFlag, 0)),

SPEC(platlibdir, WSTR, PUBLIC, SYS_ATTR("platlibdir"), NO_GLOBAL),

SPEC(prefix, WSTR_OPT, PUBLIC, SYS_ATTR("prefix"), NO_GLOBAL),

SPEC(pycache_prefix, WSTR_OPT, PUBLIC, SYS_ATTR("pycache_prefix"), NO_GLOBAL),

SPEC(quiet, BOOL, PUBLIC, SYS_FLAG(10), GLOBAL(&Py_QuietFlag, 0)),

SPEC(stdlib_dir, WSTR_OPT, PUBLIC, SYS_ATTR("_stdlib_dir"), NO_GLOBAL),

SPEC(use_environment, BOOL, PUBLIC,

SYS_FLAG_SETTER(7, config_sys_flag_not), GLOBAL(&Py_IgnoreEnvironmentFlag, 1)),

SPEC(verbose, UINT, PUBLIC, SYS_FLAG(8), GLOBAL(&Py_VerboseFlag, 0)),

SPEC(warnoptions, WSTR_LIST, PUBLIC, SYS_ATTR("warnoptions"), NO_GLOBAL),

SPEC(write_bytecode, BOOL, PUBLIC, SYS_FLAG_SETTER(4, config_sys_flag_not),

GLOBAL(&Py_DontWriteBytecodeFlag, 1)),

SPEC(xoptions, WSTR_LIST, PUBLIC, SYS_ATTR("_xoptions"), NO_GLOBAL),

// --- Read-only options -----------

#ifdef Py_STATS

SPEC(_pystats, BOOL, READ_ONLY, NO_SYS, NO_GLOBAL),

#endif

SPEC(buffered_stdio, BOOL, READ_ONLY, NO_SYS,

GLOBAL(&Py_UnbufferedStdioFlag, 1)),

SPEC(check_hash_pycs_mode, WSTR, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(code_debug_ranges, BOOL, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(configure_c_stdio, BOOL, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(dev_mode, BOOL, READ_ONLY, NO_SYS, NO_GLOBAL), // sys.flags.dev_mode

SPEC(dump_refs, BOOL, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(dump_refs_file, WSTR_OPT, READ_ONLY, NO_SYS, NO_GLOBAL),

#ifdef Py_GIL_DISABLED

SPEC(enable_gil, INT, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(tlbc_enabled, INT, READ_ONLY, NO_SYS, NO_GLOBAL),

#endif

SPEC(faulthandler, BOOL, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(filesystem_encoding, WSTR, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(filesystem_errors, WSTR, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(hash_seed, ULONG, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(home, WSTR_OPT, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(thread_inherit_context, INT, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(context_aware_warnings, INT, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(import_time, UINT, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(install_signal_handlers, BOOL, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(isolated, BOOL, READ_ONLY, NO_SYS, GLOBAL(&Py_IsolatedFlag, 0)), // sys.flags.isolated

#ifdef MS_WINDOWS

SPEC(legacy_windows_stdio, BOOL, READ_ONLY, NO_SYS,

GLOBAL(&Py_LegacyWindowsStdioFlag, 0)),

#endif

SPEC(malloc_stats, BOOL, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(pymalloc_hugepages, BOOL, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(orig_argv, WSTR_LIST, READ_ONLY, SYS_ATTR("orig_argv"), NO_GLOBAL),

SPEC(parse_argv, BOOL, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(pathconfig_warnings, BOOL, READ_ONLY, NO_SYS,

GLOBAL(&Py_FrozenFlag, 1)),

SPEC(perf_profiling, UINT, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(remote_debug, BOOL, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(program_name, WSTR, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(run_command, WSTR_OPT, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(run_filename, WSTR_OPT, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(run_module, WSTR_OPT, READ_ONLY, NO_SYS, NO_GLOBAL),

#ifdef Py_DEBUG

SPEC(run_presite, WSTR_OPT, READ_ONLY, NO_SYS, NO_GLOBAL),

#endif

SPEC(safe_path, BOOL, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(show_ref_count, BOOL, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(site_import, BOOL, READ_ONLY, NO_SYS, GLOBAL(&Py_NoSiteFlag, 1)), // sys.flags.no_site

SPEC(skip_source_first_line, BOOL, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(stdio_encoding, WSTR, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(stdio_errors, WSTR, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(tracemalloc, UINT, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(use_frozen_modules, BOOL, READ_ONLY, NO_SYS, NO_GLOBAL),

SPEC(use_hash_seed, BOOL, READ_ONLY, NO_SYS, NO_GLOBAL),

#ifdef __APPLE__

SPEC(use_system_logger, BOOL, READ_ONLY, NO_SYS, NO_GLOBAL),

#endif

SPEC(user_site_directory, BOOL, READ_ONLY, NO_SYS,

GLOBAL(&Py_NoUserSiteDirectory, 1)), // sys.flags.no_user_site

SPEC(warn_default_encoding, BOOL, READ_ONLY, NO_SYS, NO_GLOBAL),

// --- Init-only options -----------

SPEC(_config_init, UINT, INIT_ONLY, NO_SYS, NO_GLOBAL),

SPEC(_init_main, BOOL, INIT_ONLY, NO_SYS, NO_GLOBAL),

SPEC(_install_importlib, BOOL, INIT_ONLY, NO_SYS, NO_GLOBAL),

SPEC(_is_python_build, BOOL, INIT_ONLY, NO_SYS, NO_GLOBAL),

SPEC(module_search_paths_set, BOOL, INIT_ONLY, NO_SYS, NO_GLOBAL),

SPEC(pythonpath_env, WSTR_OPT, INIT_ONLY, NO_SYS, NO_GLOBAL),

SPEC(sys_path_0, WSTR_OPT, INIT_ONLY, NO_SYS, NO_GLOBAL),

// Array terminator

{NULL, 0, 0, 0, NO_SYS},

};

#undef SPEC

#define SPEC(MEMBER, TYPE, VISIBILITY) \

{#MEMBER, offsetof(PyPreConfig, MEMBER), PyConfig_MEMBER_##TYPE, \

PyConfig_MEMBER_##VISIBILITY, NO_SYS}

static const PyConfigSpec PYPRECONFIG_SPEC[] = {

// --- Read-only options -----------

SPEC(allocator, INT, READ_ONLY),

SPEC(coerce_c_locale, BOOL, READ_ONLY),

SPEC(coerce_c_locale_warn, BOOL, READ_ONLY),

SPEC(configure_locale, BOOL, READ_ONLY),

#ifdef MS_WINDOWS

SPEC(legacy_windows_fs_encoding, BOOL, READ_ONLY),

#endif

SPEC(utf8_mode, BOOL, READ_ONLY),

// --- Init-only options -----------

// Members already present in PYCONFIG_SPEC

SPEC(_config_init, INT, INIT_ONLY),

SPEC(dev_mode, BOOL, INIT_ONLY),

SPEC(isolated, BOOL, INIT_ONLY),

SPEC(parse_argv, BOOL, INIT_ONLY),

SPEC(use_environment, BOOL, INIT_ONLY),

// Array terminator

{NULL, 0, 0, 0, NO_SYS},

};

// End of ignoring deprecations on global variables

_Py_COMP_DIAG_POP

#undef SPEC

#undef SYS_ATTR

#undef SYS_FLAG_SETTER

#undef SYS_FLAG

#undef NO_SYS

#undef GLOBAL

#undef NO_GLOBAL

// Forward declarations

static PyObject* config_get(const PyConfig *config, const PyConfigSpec *spec,

int use_sys);

static void initconfig_free_wstr(wchar_t *member);

static void initconfig_free_wstr_list(PyWideStringList *list);

static void initconfig_free_config(const PyConfig *config);

/* --- Command line options --------------------------------------- */

* Help text markup (matching Lib/_colorize.py Argparse theme).

* Color spans, #X{...} where "}" resets to default color:

* #b{...} label bold yellow

* #B{...} summary label yellow

* #E{...} env var (primary) bold cyan

* #e{...} env var reference cyan

* #h{...} heading bold blue

* #L{...} long option bold cyan

* #s{...} short option bold green

* #S{...} summary short opt green

* Runtime substitutions (no "{" follows):

* #P program name (bold magenta)

* #D path separator (DELIM)

* #H PYTHONHOMEHELP default search path

* fprint_help() walks the string, expanding color codes only when colorize=1

* and substituting runtime values regardless.

#if defined(MS_WINDOWS)

# define PYTHONHOMEHELP "<prefix>\\python{major}{minor}"

#else

# define PYTHONHOMEHELP "<prefix>/lib/pythonX.X"

#endif

/* Determine if we can emit ANSI color codes on the given stream.

* Logic mirrors Lib/_colorize.py:can_colorize(). */

static int

_Py_can_colorize(FILE *f)

{

const char *env;

env = Py_GETENV("PYTHON_COLORS");

if (env) {

if (strcmp(env, "0") == 0) {

return 0;

}

if (strcmp(env, "1") == 0) {

return 1;

}

if (getenv("NO_COLOR")) {

return 0;

}

if (getenv("FORCE_COLOR")) {

return 1;

}

env = getenv("TERM");

if (env && strcmp(env, "dumb") == 0) {

return 0;

}

#if defined(MS_WINDOWS) && defined(HAVE_WINDOWS_CONSOLE_IO)

{

DWORD mode = 0;

DWORD nStdHandle = (f == stderr) ? STD_ERROR_HANDLE

: STD_OUTPUT_HANDLE;

HANDLE handle = GetStdHandle(nStdHandle);

if (!GetConsoleMode(handle, &mode)

|| !(mode & ENABLE_VIRTUAL_TERMINAL_PROCESSING))

{

return 0;

}

#endif

return isatty(fileno(f));

}

/* Walk help text, expanding markup:

* #X{...} color span (only emitted when colorize=1; '}' resets).

* #X runtime substitution (program name, DELIM, PYTHONHOMEHELP).

* See the markup table above the macro/comment block. */

static void

fprint_help(FILE *f, const char *text, int colorize, const wchar_t *program)

{

for (const char *p = text; *p; ) {

if (*p == '#' && p[1]) {

char code = p[1];

if (p[2] == '{') {

/* Color span open */

const char *seq = NULL;

switch (code) {

case 'h': seq = "\x1b[1;34m"; break; // heading

case 'E': seq = "\x1b[1;36m"; break; // env var primary

case 'e': seq = "\x1b[36m"; break; // env var reference

case 'L': seq = "\x1b[1;36m"; break; // long option

case 'b': seq = "\x1b[1;33m"; break; // label

case 'B': seq = "\x1b[33m"; break; // summary label

case 's': seq = "\x1b[1;32m"; break; // short option

case 'S': seq = "\x1b[32m"; break; // summary short option

}

if (colorize && seq) fputs(seq, f);

p += 3; // skip "#X{"

continue;

}

/* Runtime substitution */

switch (code) {

case 'P': // program name with bold magenta

if (colorize) fputs("\x1b[1;35m", f);

if (program) fprintf(f, "%ls", program);

if (colorize) fputs("\x1b[0m", f);

break;

case 'D':

fputc((char)DELIM, f);

break;

case 'H':

fputs(PYTHONHOMEHELP, f);

break;

default: // unknown: emit literally

fputc('#', f);

fputc(code, f);

break;

}

p += 2; // skip "#X"

continue;

}

if (*p == '}') {

if (colorize) fputs("\x1b[0m", f);

p++;

continue;

}

fputc(*p++, f);

}

/* Short usage message */

static const char usage_line[] =

"#h{usage:} #P [#S{option}] #S{...} "

"[#S{-c} #B{cmd} | #S{-m} #B{mod} | #S{file} | #S{-}] "

"[#S{arg}] #S{...}\n"

;

/* Long help message */

/* Lines sorted by option name; keep in sync with usage_envvars* below */

static const char usage_help[] =

"#h{Options (and corresponding environment variables):}\n"

"#s{-b} : issue warnings about converting bytes/bytearray to str and comparing\n"

" bytes/bytearray with str or bytes with int. (#S{-bb}: issue errors)\n"

" deprecated since 3.15 and will become no-op in 3.17.\n"

"#s{-B} : don't write .pyc files on import; also #e{PYTHONDONTWRITEBYTECODE}#B{=x}\n"

"#s{-c} #b{cmd} : program passed in as string (terminates option list)\n"

"#s{-d} : turn on parser debugging output (for experts only, only works on\n"

" debug builds); also #e{PYTHONDEBUG}#B{=x}\n"

"#s{-E} : ignore #e{PYTHON*} environment variables (such as #e{PYTHONPATH})\n"

"#s{-h} : print this help message and exit (also #S{-?} or #e{--help})\n"

"#s{-i} : inspect interactively after running script; forces a prompt even\n"

" if stdin does not appear to be a terminal; also #e{PYTHONINSPECT}#B{=x}\n"

"#s{-I} : isolate Python from the user's environment (implies #S{-E}, #S{-P} and #S{-s})\n"

"#s{-m} #b{mod} : run library module as a script (terminates option list)\n"

"#s{-O} : remove assert and __debug__-dependent statements; add .opt-1 before\n"

" .pyc extension; also #e{PYTHONOPTIMIZE}#B{=x}\n"

"#s{-OO} : do #S{-O} changes and also discard docstrings; add .opt-2 before\n"

" .pyc extension\n"

"#s{-P} : don't prepend a potentially unsafe path to sys.path; also\n"

" #e{PYTHONSAFEPATH}\n"

"#s{-q} : don't print version and copyright messages on interactive startup\n"

"#s{-s} : don't add user site directory to sys.path; also #e{PYTHONNOUSERSITE}#B{=x}\n"

"#s{-S} : don't imply 'import site' on initialization\n"

"#s{-u} : force the stdout and stderr streams to be unbuffered;\n"

" this option has no effect on stdin; also #e{PYTHONUNBUFFERED}#B{=x}\n"

"#s{-v} : verbose (trace import statements); also #e{PYTHONVERBOSE}#B{=x}\n"

" can be supplied multiple times to increase verbosity\n"

"#s{-V} : print the Python version number and exit (also #e{--version})\n"

" when given twice, print more information about the build\n"

"#s{-W} #b{arg} : warning control; #B{arg} is action:message:category:module:lineno\n"

" also #e{PYTHONWARNINGS}#B{=arg}\n"

"#s{-x} : skip first line of source, allowing use of non-Unix forms of #!cmd\n"

"#s{-X} #b{opt} : set implementation-specific option\n"

"#L{--check-hash-based-pycs} #b{always|default|never}:\n"

" control how Python invalidates hash-based .pyc files\n"

"#L{--help-env}: print help about Python environment variables and exit\n"

"#L{--help-xoptions}: print help about implementation-specific #S{-X} options and exit\n"

"#L{--help-all}: print complete help information and exit\n"

"\n"

"#h{Arguments:}\n"

"#s{file} : program read from script file\n"

"#s{-} : program read from stdin (default; interactive mode if a tty)\n"

"#s{arg} #b{...}: arguments passed to program in sys.argv[1:]\n"

;

static const char usage_xoptions[] =

"#h{The following implementation-specific options are available:}\n"

"#s{-X} #L{context_aware_warnings}#b{=[0|1]}: if true (#B{1}) then the warnings module will\n"

" use a context variables; if false (#B{0}) then the warnings module will\n"

" use module globals, which is not concurrent-safe; set to true for\n"

" free-threaded builds and false otherwise; also\n"

" #e{PYTHON_CONTEXT_AWARE_WARNINGS}\n"

"#s{-X} #L{cpu_count}#b{=N}: override the return value of os.cpu_count();\n"

" #S{-X} #e{cpu_count}#B{=default} cancels overriding; also #e{PYTHON_CPU_COUNT}\n"

"#s{-X} #L{dev} : enable Python Development Mode; also #e{PYTHONDEVMODE}\n"

"#s{-X} #L{disable-remote-debug}: disable remote debugging; also #e{PYTHON_DISABLE_REMOTE_DEBUG}\n"

"#s{-X} #L{faulthandler}: dump the Python traceback on fatal errors;\n"

" also #e{PYTHONFAULTHANDLER}\n"

"#s{-X} #L{frozen_modules}#b{=[on|off]}: whether to use frozen modules; the default is \"#B{on}\"\n"

" for installed Python and \"#B{off}\" for a local build;\n"

" also #e{PYTHON_FROZEN_MODULES}\n"

#ifdef Py_GIL_DISABLED

"#s{-X} #L{gil}#b{=[0|1]}: enable (#B{1}) or disable (#B{0}) the GIL; also #e{PYTHON_GIL}\n"

#endif

"#s{-X} #L{importtime}#b{[=2]}: show how long each import takes; use #S{-X} #e{importtime}#B{=2} to\n"

" log imports of already-loaded modules; also #e{PYTHONPROFILEIMPORTTIME}\n"

"#s{-X} #L{int_max_str_digits}#b{=N}: limit the size of int<->str conversions;\n"

" 0 disables the limit; also #e{PYTHONINTMAXSTRDIGITS}\n"

"#s{-X} #L{lazy_imports}#b{=[all|normal]}: control global lazy imports;\n"

" default is #B{normal}; also #e{PYTHON_LAZY_IMPORTS}\n"

"#s{-X} #L{no_debug_ranges}: don't include extra location information in code objects;\n"

" also #e{PYTHONNODEBUGRANGES}\n"

"#s{-X} #L{pathconfig_warnings}#b{=[0|1]}: if true (#B{1}) then path configuration is allowed\n"

" to log warnings into stderr; if false (#B{0}) suppress these warnings;\n"

" set to true by default; also #e{PYTHON_PATHCONFIG_WARNINGS}\n"

"#s{-X} #L{perf}: support the Linux \"perf\" profiler; also #e{PYTHONPERFSUPPORT}#B{=1}\n"

"#s{-X} #L{perf_jit}: support the Linux \"perf\" profiler with DWARF support;\n"

" also #e{PYTHON_PERF_JIT_SUPPORT}#B{=1}\n"

#ifdef Py_DEBUG

"#s{-X} #L{presite}#b{=MOD}: import this module before site; also #e{PYTHON_PRESITE}\n"

#endif

"#s{-X} #L{pycache_prefix}#b{=PATH}: write .pyc files to a parallel tree instead of to the\n"

" code tree; also #e{PYTHONPYCACHEPREFIX}\n"

#ifdef Py_STATS

"#s{-X} #L{pystats}: enable pystats collection at startup; also #e{PYTHONSTATS}\n"

#endif

"#s{-X} #L{showrefcount}: output the total reference count and number of used\n"

" memory blocks when the program finishes or after each statement in\n"

" the interactive interpreter; only works on debug builds\n"

"#s{-X} #L{thread_inherit_context}#b{=[0|1]}: enable (#B{1}) or disable (#B{0}) threads inheriting\n"

" context vars by default; enabled by default in the free-threaded\n"

" build and disabled otherwise; also #e{PYTHON_THREAD_INHERIT_CONTEXT}\n"

#ifdef Py_GIL_DISABLED

"#s{-X} #L{tlbc}#b{=[0|1]}: enable (#B{1}) or disable (#B{0}) thread-local bytecode. Also\n"

" #e{PYTHON_TLBC}\n"

#endif

"#s{-X} #L{tracemalloc}#b{[=N]}: trace Python memory allocations; N sets a traceback limit\n"

" of #B{N} frames (default: #B{1}); also #e{PYTHONTRACEMALLOC}#B{=N}\n"

"#s{-X} #L{utf8}#b{[=0|1]}: enable (#B{1}) or disable (#B{0}) UTF-8 mode; also #e{PYTHONUTF8}\n"

"#s{-X} #L{warn_default_encoding}: enable opt-in EncodingWarning for 'encoding=None';\n"

" also #e{PYTHONWARNDEFAULTENCODING}\n"

;

/* Envvars that don't have equivalent command-line options are listed first */

static const char usage_envvars[] =

"#h{Environment variables that change behavior:}\n"

"#E{PYTHONASYNCIODEBUG}: enable asyncio debug mode\n"

"#E{PYTHON_BASIC_REPL}: use the traditional parser-based REPL\n"

"#E{PYTHONBREAKPOINT}: if this variable is set to #B{0}, it disables the default\n"

" debugger. It can be set to the callable of your debugger of\n"

" choice.\n"

"#E{PYTHONCASEOK} : ignore case in 'import' statements (Windows)\n"

"#E{PYTHONCOERCECLOCALE}: if this variable is set to #B{0}, it disables the locale\n"

" coercion behavior. Use #e{PYTHONCOERCECLOCALE}#B{=warn} to request\n"

" display of locale coercion and locale compatibility warnings\n"

" on stderr.\n"

"#E{PYTHON_COLORS} : if this variable is set to #B{1}, the interpreter will colorize\n"

" various kinds of output. Setting it to #B{0} deactivates\n"

" this behavior.\n"

#ifdef Py_TRACE_REFS

"#E{PYTHONDUMPREFS} : dump objects and reference counts still alive after shutdown\n"

"#E{PYTHONDUMPREFSFILE}: dump objects and reference counts to the specified file\n"

#endif

#ifdef __APPLE__

"#E{PYTHONEXECUTABLE}: set sys.argv[0] to this value (macOS only)\n"

#endif

"#E{PYTHONHASHSEED} : if this variable is set to 'random', a random value is used\n"

" to seed the hashes of str and bytes objects. It can also be\n"

" set to an integer in the range [0,4294967295] to get hash\n"

" values with a predictable seed.\n"

"#E{PYTHON_HISTORY} : the location of a .python_history file.\n"

"#E{PYTHONHOME} : alternate <prefix> directory (or <prefix>#D<exec_prefix>).\n"

" The default module search path uses #H.\n"

"#E{PYTHONIOENCODING}: encoding[:errors] used for stdin/stdout/stderr\n"

#ifdef MS_WINDOWS

"#E{PYTHONLEGACYWINDOWSFSENCODING}: use legacy \"mbcs\" encoding for file system\n"

"#E{PYTHONLEGACYWINDOWSSTDIO}: use legacy Windows stdio\n"

#endif

"#E{PYTHONMALLOC} : set the Python memory allocators and/or install debug hooks\n"

" on Python memory allocators. Use #e{PYTHONMALLOC}#B{=debug} to\n"

" install debug hooks.\n"

"#E{PYTHONMALLOCSTATS}: print memory allocator statistics\n"

"#E{PYTHONPATH} : '#D'-separated list of directories prefixed to the\n"

" default module search path. The result is sys.path.\n"

"#E{PYTHONPLATLIBDIR}: override sys.platlibdir\n"

"#E{PYTHONSTARTUP} : file executed on interactive startup (no default)\n"

"#E{PYTHONUSERBASE} : defines the user base directory (site.USER_BASE)\n"

"\n"

"#h{These variables have equivalent command-line options (see }#e{--help} for details):\n"

"#E{PYTHON_CONTEXT_AWARE_WARNINGS}: if true (#B{1}), enable thread-safe warnings\n"

" module behaviour (#S{-X} #e{context_aware_warnings})\n"

"#E{PYTHON_CPU_COUNT}: override the return value of os.cpu_count() (#S{-X} #e{cpu_count})\n"

"#E{PYTHONDEBUG} : enable parser debug mode (#S{-d})\n"

"#E{PYTHONDEVMODE} : enable Python Development Mode (#S{-X} #e{dev})\n"

"#E{PYTHONDONTWRITEBYTECODE}: don't write .pyc files (#S{-B})\n"

"#E{PYTHONFAULTHANDLER}: dump the Python traceback on fatal errors (#S{-X} #e{faulthandler})\n"

"#E{PYTHON_FROZEN_MODULES}: whether to use frozen modules; the default is \"#B{on}\"\n"

" for installed Python and \"#B{off}\" for a local build\n"

" (#S{-X} #e{frozen_modules})\n"

#ifdef Py_GIL_DISABLED

"#E{PYTHON_GIL} : when set to #B{0}, disables the GIL (#S{-X} #e{gil})\n"

#endif

"#E{PYTHONINSPECT} : inspect interactively after running script (#S{-i})\n"

"#E{PYTHONINTMAXSTRDIGITS}: limit the size of int<->str conversions;\n"

" 0 disables the limit (#S{-X} #e{int_max_str_digits}#B{=N})\n"

"#E{PYTHON_LAZY_IMPORTS}: control global lazy imports (#S{-X} #e{lazy_imports})\n"

"#E{PYTHONNODEBUGRANGES}: don't include extra location information in code objects\n"

" (#S{-X} #e{no_debug_ranges})\n"

"#E{PYTHONNOUSERSITE}: disable user site directory (#S{-s})\n"

"#E{PYTHONOPTIMIZE} : enable level 1 optimizations (#S{-O})\n"

"#E{PYTHON_PERF_JIT_SUPPORT}: enable Linux \"perf\" profiler support with JIT\n"

" (#S{-X} #e{perf_jit})\n"

"#E{PYTHONPERFSUPPORT}: support the Linux \"perf\" profiler (#S{-X} #e{perf})\n"

#ifdef Py_DEBUG

"#E{PYTHON_PRESITE}: import this module before site (#S{-X} #e{presite})\n"

#endif

"#E{PYTHONPROFILEIMPORTTIME}: show how long each import takes (#S{-X} #e{importtime})\n"

"#E{PYTHONPYCACHEPREFIX}: root directory for bytecode cache (pyc) files\n"

" (#S{-X} #e{pycache_prefix})\n"

"#E{PYTHONSAFEPATH} : don't prepend a potentially unsafe path to sys.path.\n"

#ifdef Py_STATS

"#E{PYTHONSTATS} : turns on statistics gathering (#S{-X} #e{pystats})\n"

#endif

"#E{PYTHON_THREAD_INHERIT_CONTEXT}: if true (#B{1}), threads inherit context vars\n"

" (#S{-X} #e{thread_inherit_context})\n"

#ifdef Py_GIL_DISABLED

"#E{PYTHON_TLBC} : when set to #B{0}, disables thread-local bytecode (#S{-X} #e{tlbc})\n"

#endif

"#E{PYTHONTRACEMALLOC}: trace Python memory allocations (#S{-X} #e{tracemalloc})\n"

"#E{PYTHONUNBUFFERED}: disable stdout/stderr buffering (#S{-u})\n"

"#E{PYTHONUTF8} : control the UTF-8 mode (#S{-X} #e{utf8})\n"

"#E{PYTHONVERBOSE} : trace import statements (#S{-v})\n"

"#E{PYTHONWARNDEFAULTENCODING}: enable opt-in EncodingWarning for 'encoding=None'\n"

" (#S{-X} #e{warn_default_encoding})\n"

"#E{PYTHONWARNINGS} : warning control (#S{-W})\n"

;

/* --- Global configuration variables ----------------------------- */

/* UTF-8 mode (PEP 540): if equal to 1, use the UTF-8 encoding, and change

stdin and stdout error handler to "surrogateescape". */

int Py_UTF8Mode = 0;

int Py_DebugFlag = 0; /* Needed by parser.c */

int Py_VerboseFlag = 0; /* Needed by import.c */

int Py_QuietFlag = 0; /* Needed by sysmodule.c */

int Py_InteractiveFlag = 0; /* Previously, was used by Py_FdIsInteractive() */

int Py_InspectFlag = 0; /* Needed to determine whether to exit at SystemExit */

int Py_OptimizeFlag = 0; /* Needed by compile.c */

int Py_NoSiteFlag = 0; /* Suppress 'import site' */

int Py_BytesWarningFlag = 0; /* Warn on str(bytes) and str(buffer) */

int Py_FrozenFlag = 0; /* Needed by getpath.c */

int Py_IgnoreEnvironmentFlag = 0; /* e.g. PYTHONPATH, PYTHONHOME */

int Py_DontWriteBytecodeFlag = 0; /* Suppress writing bytecode files (*.pyc) */

int Py_NoUserSiteDirectory = 0; /* for -s and site.py */

int Py_UnbufferedStdioFlag = 0; /* Unbuffered binary std{in,out,err} */

int Py_HashRandomizationFlag = 0; /* for -R and PYTHONHASHSEED */

int Py_IsolatedFlag = 0; /* for -I, isolate from user's env */

#ifdef MS_WINDOWS

int Py_LegacyWindowsFSEncodingFlag = 0; /* Uses mbcs instead of utf-8 */

int Py_LegacyWindowsStdioFlag = 0; /* Uses FileIO instead of WindowsConsoleIO */

#endif

static PyObject *

_Py_GetGlobalVariablesAsDict(void)

{

_Py_COMP_DIAG_PUSH

_Py_COMP_DIAG_IGNORE_DEPR_DECLS

PyObject *dict, *obj;

dict = PyDict_New();

if (dict == NULL) {

return NULL;

}

#define SET_ITEM(KEY, EXPR) \

do { \

obj = (EXPR); \

if (obj == NULL) { \

goto fail; \

} \

int res = PyDict_SetItemString(dict, (KEY), obj); \

Py_DECREF(obj); \

if (res < 0) { \

goto fail; \

} \

} while (0)

#define SET_ITEM_INT(VAR) \

SET_ITEM(#VAR, PyLong_FromLong(VAR))

#define FROM_STRING(STR) \

((STR != NULL) ? \

PyUnicode_FromString(STR) \

: Py_NewRef(Py_None))

#define SET_ITEM_STR(VAR) \

SET_ITEM(#VAR, FROM_STRING(VAR))

SET_ITEM_STR(Py_FileSystemDefaultEncoding);

SET_ITEM_INT(Py_HasFileSystemDefaultEncoding);

SET_ITEM_STR(Py_FileSystemDefaultEncodeErrors);

SET_ITEM_INT(_Py_HasFileSystemDefaultEncodeErrors);

SET_ITEM_INT(Py_UTF8Mode);

SET_ITEM_INT(Py_DebugFlag);

SET_ITEM_INT(Py_VerboseFlag);

SET_ITEM_INT(Py_QuietFlag);

SET_ITEM_INT(Py_InteractiveFlag);

SET_ITEM_INT(Py_InspectFlag);

SET_ITEM_INT(Py_OptimizeFlag);

SET_ITEM_INT(Py_NoSiteFlag);

SET_ITEM_INT(Py_BytesWarningFlag);

SET_ITEM_INT(Py_FrozenFlag);

SET_ITEM_INT(Py_IgnoreEnvironmentFlag);

SET_ITEM_INT(Py_DontWriteBytecodeFlag);

SET_ITEM_INT(Py_NoUserSiteDirectory);

SET_ITEM_INT(Py_UnbufferedStdioFlag);

SET_ITEM_INT(Py_HashRandomizationFlag);

SET_ITEM_INT(Py_IsolatedFlag);

#ifdef MS_WINDOWS

SET_ITEM_INT(Py_LegacyWindowsFSEncodingFlag);

SET_ITEM_INT(Py_LegacyWindowsStdioFlag);

#endif

return dict;

fail:

Py_DECREF(dict);

return NULL;

#undef FROM_STRING

#undef SET_ITEM

#undef SET_ITEM_INT

#undef SET_ITEM_STR

_Py_COMP_DIAG_POP

}

char*

Py_GETENV(const char *name)

{

_Py_COMP_DIAG_PUSH

_Py_COMP_DIAG_IGNORE_DEPR_DECLS

if (Py_IgnoreEnvironmentFlag) {

return NULL;

}

return getenv(name);

_Py_COMP_DIAG_POP

}

/* --- PyStatus ----------------------------------------------- */

PyStatus PyStatus_Ok(void)

{ return _PyStatus_OK(); }

PyStatus PyStatus_Error(const char *err_msg)

{

assert(err_msg != NULL);

return (PyStatus){._type = _PyStatus_TYPE_ERROR,

.err_msg = err_msg};

}

PyStatus PyStatus_NoMemory(void)

{ return PyStatus_Error("memory allocation failed"); }

PyStatus PyStatus_Exit(int exitcode)

{ return _PyStatus_EXIT(exitcode); }

int PyStatus_IsError(PyStatus status)

{ return _PyStatus_IS_ERROR(status); }

int PyStatus_IsExit(PyStatus status)

{ return _PyStatus_IS_EXIT(status); }

int PyStatus_Exception(PyStatus status)

{ return _PyStatus_EXCEPTION(status); }

void

_PyErr_SetFromPyStatus(PyStatus status)

{

if (!_PyStatus_IS_ERROR(status)) {

PyErr_Format(PyExc_SystemError,

"_PyErr_SetFromPyStatus() status is not an error");

return;

}

const char *err_msg = status.err_msg;

if (err_msg == NULL || strlen(err_msg) == 0) {

PyErr_Format(PyExc_SystemError,

"_PyErr_SetFromPyStatus() status has no error message");

return;

}

if (strcmp(err_msg, _PyStatus_NO_MEMORY_ERRMSG) == 0) {

PyErr_NoMemory();

return;

}

const char *func = status.func;

if (func) {

PyErr_Format(PyExc_RuntimeError, "%s: %s", func, err_msg);

}

else {

PyErr_Format(PyExc_RuntimeError, "%s", err_msg);

}

/* --- PyWideStringList ------------------------------------------------ */

#ifndef NDEBUG

int

_PyWideStringList_CheckConsistency(const PyWideStringList *list)

{

assert(list->length >= 0);

if (list->length != 0) {

assert(list->items != NULL);

}

for (Py_ssize_t i = 0; i < list->length; i++) {

assert(list->items[i] != NULL);

}

return 1;

}

#endif /* Py_DEBUG */

static void

_PyWideStringList_ClearEx(PyWideStringList *list,

bool use_default_allocator)

{

assert(_PyWideStringList_CheckConsistency(list));

for (Py_ssize_t i=0; i < list->length; i++) {

if (use_default_allocator) {

_PyMem_DefaultRawFree(list->items[i]);

}

else {

PyMem_RawFree(list->items[i]);

}

if (use_default_allocator) {

_PyMem_DefaultRawFree(list->items);

}

else {

PyMem_RawFree(list->items);

}

list->length = 0;

list->items = NULL;

}

void

_PyWideStringList_Clear(PyWideStringList *list)

{

_PyWideStringList_ClearEx(list, false);

}

static int

_PyWideStringList_CopyEx(PyWideStringList *list,

const PyWideStringList *list2,

bool use_default_allocator)

{

assert(_PyWideStringList_CheckConsistency(list));

assert(_PyWideStringList_CheckConsistency(list2));

if (list2->length == 0) {

_PyWideStringList_ClearEx(list, use_default_allocator);

return 0;

}

PyWideStringList copy = _PyWideStringList_INIT;

size_t size = list2->length * sizeof(list2->items[0]);

if (use_default_allocator) {

copy.items = _PyMem_DefaultRawMalloc(size);

}

else {

copy.items = PyMem_RawMalloc(size);

}

if (copy.items == NULL) {

return -1;

}

for (Py_ssize_t i=0; i < list2->length; i++) {

wchar_t *item;

if (use_default_allocator) {

item = _PyMem_DefaultRawWcsdup(list2->items[i]);

}

else {

item = _PyMem_RawWcsdup(list2->items[i]);

}

if (item == NULL) {

_PyWideStringList_ClearEx(&copy, use_default_allocator);

return -1;

}

copy.items[i] = item;

copy.length = i + 1;

}

_PyWideStringList_ClearEx(list, use_default_allocator);

*list = copy;

return 0;

}

int

_PyWideStringList_Copy(PyWideStringList *list, const PyWideStringList *list2)

{

return _PyWideStringList_CopyEx(list, list2, false);

}

PyStatus

PyWideStringList_Insert(PyWideStringList *list,

Py_ssize_t index, const wchar_t *item)

{

Py_ssize_t len = list->length;

if (len == PY_SSIZE_T_MAX) {

/* length+1 would overflow */

return _PyStatus_NO_MEMORY();

}

if (index < 0) {

return _PyStatus_ERR("PyWideStringList_Insert index must be >= 0");

}

if (index > len) {

index = len;

}

wchar_t *item2 = _PyMem_RawWcsdup(item);

if (item2 == NULL) {

return _PyStatus_NO_MEMORY();

}

size_t size = (len + 1) * sizeof(list->items[0]);

wchar_t **items2 = (wchar_t **)PyMem_RawRealloc(list->items, size);

if (items2 == NULL) {

PyMem_RawFree(item2);

return _PyStatus_NO_MEMORY();

}

if (index < len) {

memmove(&items2[index + 1],

&items2[index],

(len - index) * sizeof(items2[0]));

}

items2[index] = item2;

list->items = items2;

list->length++;

return _PyStatus_OK();

}

PyStatus

PyWideStringList_Append(PyWideStringList *list, const wchar_t *item)

{

return PyWideStringList_Insert(list, list->length, item);

}

PyStatus

_PyWideStringList_Extend(PyWideStringList *list, const PyWideStringList *list2)

{

for (Py_ssize_t i = 0; i < list2->length; i++) {

PyStatus status = PyWideStringList_Append(list, list2->items[i]);

if (_PyStatus_EXCEPTION(status)) {

return status;

}

return _PyStatus_OK();

}

static int

_PyWideStringList_Find(PyWideStringList *list, const wchar_t *item)

{

for (Py_ssize_t i = 0; i < list->length; i++) {

if (wcscmp(list->items[i], item) == 0) {

return 1;

}

return 0;

}

PyObject*

_PyWideStringList_AsList(const PyWideStringList *list)

{

assert(_PyWideStringList_CheckConsistency(list));

PyObject *pylist = PyList_New(list->length);

if (pylist == NULL) {

return NULL;

}

for (Py_ssize_t i = 0; i < list->length; i++) {

PyObject *item = PyUnicode_FromWideChar(list->items[i], -1);

if (item == NULL) {

Py_DECREF(pylist);

return NULL;

}

PyList_SET_ITEM(pylist, i, item);

}

return pylist;

}

static PyObject*

_PyWideStringList_AsTuple(const PyWideStringList *list)

{

assert(_PyWideStringList_CheckConsistency(list));

PyObject *tuple = PyTuple_New(list->length);

if (tuple == NULL) {

return NULL;

}

for (Py_ssize_t i = 0; i < list->length; i++) {

PyObject *item = PyUnicode_FromWideChar(list->items[i], -1);

if (item == NULL) {

Py_DECREF(tuple);

return NULL;

}

PyTuple_SET_ITEM(tuple, i, item);

}

return tuple;

}

/* --- Py_GetArgcArgv() ------------------------------------------- */

View remainder of file in raw view

cpython/Python/initconfig.c at main · python/cpython · GitHub

Uh oh!

Uh oh!

cpython/Python/initconfig.c at main · python/cpython · GitHub

Uh oh!

Uh oh!

Expand file tree

Breadcrumbs

initconfig.c

Latest commit

History

Breadcrumbs

initconfig.c

File metadata and controls