blender/source/creator/creator_args.c

/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

/** \file
 * \ingroup creator
 */

#ifndef WITH_PYTHON_MODULE

#  include <stdlib.h>
#  include <string.h>
#  include <errno.h>

#  include "MEM_guardedalloc.h"

#  include "CLG_log.h"

#  ifdef WIN32
#    include "BLI_winstuff.h"
#  endif

#  include "BLI_args.h"
#  include "BLI_threads.h"
#  include "BLI_utildefines.h"
#  include "BLI_listbase.h"
#  include "BLI_string.h"
#  include "BLI_string_utf8.h"
#  include "BLI_path_util.h"
#  include "BLI_fileops.h"
#  include "BLI_mempool.h"
#  include "BLI_system.h"

#  include "BLO_readfile.h" /* only for BLO_has_bfile_extension */

#  include "BKE_blender_version.h"
#  include "BKE_context.h"

#  include "BKE_global.h"
#  include "BKE_image.h"
#  include "BKE_library.h"
#  include "BKE_library_override.h"
#  include "BKE_main.h"
#  include "BKE_report.h"
#  include "BKE_scene.h"
#  include "BKE_sound.h"

#  ifdef WITH_FFMPEG
#    include "IMB_imbuf.h"
#  endif

#  ifdef WITH_PYTHON
#    include "BPY_extern.h"
#  endif

#  include "RE_engine.h"
#  include "RE_pipeline.h"

#  include "ED_datafiles.h"

#  include "WM_api.h"

#  include "GPU_draw.h"

#  ifdef WITH_LIBMV
#    include "libmv-capi.h"
#  endif

#  ifdef WITH_CYCLES_LOGGING
#    include "CCL_api.h"
#  endif

#  include "DEG_depsgraph.h"
#  include "DEG_depsgraph_build.h"
#  include "DEG_depsgraph_debug.h"

#  include "creator_intern.h" /* own include */

/* -------------------------------------------------------------------- */
/** \name Utility String Parsing
 * \{ */

static bool parse_int_relative(const char *str,
                               const char *str_end_test,
                               int pos,
                               int neg,
                               int *r_value,
                               const char **r_err_msg)
{
  char *str_end = NULL;
  long value;

  errno = 0;

  switch (*str) {
    case '+':
      value = pos + strtol(str + 1, &str_end, 10);
      break;
    case '-':
      value = (neg - strtol(str + 1, &str_end, 10)) + 1;
      break;
    default:
      value = strtol(str, &str_end, 10);
      break;
  }

  if (*str_end != '\0' && (str_end != str_end_test)) {
    static const char *msg = "not a number";
    *r_err_msg = msg;
    return false;
  }
  else if ((errno == ERANGE) || ((value < INT_MIN || value > INT_MAX))) {
    static const char *msg = "exceeds range";
    *r_err_msg = msg;
    return false;
  }
  else {
    *r_value = (int)value;
    return true;
  }
}

static const char *parse_int_range_sep_search(const char *str, const char *str_end_test)
{
  const char *str_end_range = NULL;
  if (str_end_test) {
    str_end_range = memchr(str, '.', (str_end_test - str) - 1);
    if (str_end_range && (str_end_range[1] != '.')) {
      str_end_range = NULL;
    }
  }
  else {
    str_end_range = strstr(str, "..");
    if (str_end_range && (str_end_range[2] == '\0')) {
      str_end_range = NULL;
    }
  }
  return str_end_range;
}

/**
 * Parse a number as a range, eg: `1..4`.
 *
 * The \a str_end_range argument is a result of #parse_int_range_sep_search.
 */
static bool parse_int_range_relative(const char *str,
                                     const char *str_end_range,
                                     const char *str_end_test,
                                     int pos,
                                     int neg,
                                     int r_value_range[2],
                                     const char **r_err_msg)
{
  if (parse_int_relative(str, str_end_range, pos, neg, &r_value_range[0], r_err_msg) &&
      parse_int_relative(
          str_end_range + 2, str_end_test, pos, neg, &r_value_range[1], r_err_msg)) {
    return true;
  }
  else {
    return false;
  }
}

static bool parse_int_relative_clamp(const char *str,
                                     const char *str_end_test,
                                     int pos,
                                     int neg,
                                     int min,
                                     int max,
                                     int *r_value,
                                     const char **r_err_msg)
{
  if (parse_int_relative(str, str_end_test, pos, neg, r_value, r_err_msg)) {
    CLAMP(*r_value, min, max);
    return true;
  }
  else {
    return false;
  }
}

static bool parse_int_range_relative_clamp(const char *str,
                                           const char *str_end_range,
                                           const char *str_end_test,
                                           int pos,
                                           int neg,
                                           int min,
                                           int max,
                                           int r_value_range[2],
                                           const char **r_err_msg)
{
  if (parse_int_range_relative(
          str, str_end_range, str_end_test, pos, neg, r_value_range, r_err_msg)) {
    CLAMP(r_value_range[0], min, max);
    CLAMP(r_value_range[1], min, max);
    return true;
  }
  else {
    return false;
  }
}

/**
 * No clamping, fails with any number outside the range.
 */
static bool parse_int_strict_range(const char *str,
                                   const char *str_end_test,
                                   const int min,
                                   const int max,
                                   int *r_value,
                                   const char **r_err_msg)
{
  char *str_end = NULL;
  long value;

  errno = 0;
  value = strtol(str, &str_end, 10);

  if (*str_end != '\0' && (str_end != str_end_test)) {
    static const char *msg = "not a number";
    *r_err_msg = msg;
    return false;
  }
  else if ((errno == ERANGE) || ((value < min || value > max))) {
    static const char *msg = "exceeds range";
    *r_err_msg = msg;
    return false;
  }
  else {
    *r_value = (int)value;
    return true;
  }
}

static bool parse_int(const char *str,
                      const char *str_end_test,
                      int *r_value,
                      const char **r_err_msg)
{
  return parse_int_strict_range(str, str_end_test, INT_MIN, INT_MAX, r_value, r_err_msg);
}

static bool parse_int_clamp(const char *str,
                            const char *str_end_test,
                            int min,
                            int max,
                            int *r_value,
                            const char **r_err_msg)
{
  if (parse_int(str, str_end_test, r_value, r_err_msg)) {
    CLAMP(*r_value, min, max);
    return true;
  }
  else {
    return false;
  }
}

#  if 0
/**
 * Version of #parse_int_relative_clamp
 * that parses a comma separated list of numbers.
 */
static int *parse_int_relative_clamp_n(
    const char *str, int pos, int neg, int min, int max, int *r_value_len, const char **r_err_msg)
{
  const char sep = ',';
  int len = 1;
  for (int i = 0; str[i]; i++) {
    if (str[i] == sep) {
      len++;
    }
  }

  int *values = MEM_mallocN(sizeof(*values) * len, __func__);
  int i = 0;
  while (true) {
    const char *str_end = strchr(str, sep);
    if ((*str == sep) || (*str == '\0')) {
      static const char *msg = "incorrect comma use";
      *r_err_msg = msg;
      goto fail;
    }
    else if (parse_int_relative_clamp(str, str_end, pos, neg, min, max, &values[i], r_err_msg)) {
      i++;
    }
    else {
      goto fail; /* error message already set */
    }

    if (str_end) { /* next */
      str = str_end + 1;
    }
    else { /* finished */
      break;
    }
  }

  *r_value_len = i;
  return values;

fail:
  MEM_freeN(values);
  return NULL;
}

#  endif

/**
 * Version of #parse_int_relative_clamp & #parse_int_range_relative_clamp
 * that parses a comma separated list of numbers.
 *
 * \note single values are evaluated as a range with matching start/end.
 */
static int (*parse_int_range_relative_clamp_n(const char *str,
                                              int pos,
                                              int neg,
                                              int min,
                                              int max,
                                              int *r_value_len,
                                              const char **r_err_msg))[2]
{
  const char sep = ',';
  int len = 1;
  for (int i = 0; str[i]; i++) {
    if (str[i] == sep) {
      len++;
    }
  }

  int(*values)[2] = MEM_mallocN(sizeof(*values) * len, __func__);
  int i = 0;
  while (true) {
    const char *str_end_range;
    const char *str_end = strchr(str, sep);
    if ((*str == sep) || (*str == '\0')) {
      static const char *msg = "incorrect comma use";
      *r_err_msg = msg;
      goto fail;
    }
    else if ((str_end_range = parse_int_range_sep_search(str, str_end)) ?
                 parse_int_range_relative_clamp(
                     str, str_end_range, str_end, pos, neg, min, max, values[i], r_err_msg) :
                 parse_int_relative_clamp(
                     str, str_end, pos, neg, min, max, &values[i][0], r_err_msg)) {
      if (str_end_range == NULL) {
        values[i][1] = values[i][0];
      }
      i++;
    }
    else {
      goto fail; /* error message already set */
    }

    if (str_end) { /* next */
      str = str_end + 1;
    }
    else { /* finished */
      break;
    }
  }

  *r_value_len = i;
  return values;

fail:
  MEM_freeN(values);
  return NULL;
}

/** \} */

/* -------------------------------------------------------------------- */

#  ifdef WITH_PYTHON

/** \name Utilities Python Context Macro (#BPY_CTX_SETUP)
 * \{ */
struct BlendePyContextStore {
  wmWindowManager *wm;
  Scene *scene;
  wmWindow *win;
  bool has_win;
};

static void arg_py_context_backup(bContext *C,
                                  struct BlendePyContextStore *c_py,
                                  const char *script_id)
{
  c_py->wm = CTX_wm_manager(C);
  c_py->scene = CTX_data_scene(C);
  c_py->has_win = !BLI_listbase_is_empty(&c_py->wm->windows);
  if (c_py->has_win) {
    c_py->win = CTX_wm_window(C);
    CTX_wm_window_set(C, c_py->wm->windows.first);
  }
  else {
    c_py->win = NULL;
    fprintf(stderr,
            "Python script \"%s\" "
            "running with missing context data.\n",
            script_id);
  }
}

static void arg_py_context_restore(bContext *C, struct BlendePyContextStore *c_py)
{
  /* script may load a file, check old data is valid before using */
  if (c_py->has_win) {
    if ((c_py->win == NULL) || ((BLI_findindex(&G_MAIN->wm, c_py->wm) != -1) &&
                                (BLI_findindex(&c_py->wm->windows, c_py->win) != -1))) {
      CTX_wm_window_set(C, c_py->win);
    }
  }

  if ((c_py->scene == NULL) || BLI_findindex(&G_MAIN->scenes, c_py->scene) != -1) {
    CTX_data_scene_set(C, c_py->scene);
  }
}

/* macro for context setup/reset */
#    define BPY_CTX_SETUP(_cmd) \
      { \
        struct BlendePyContextStore py_c; \
        arg_py_context_backup(C, &py_c, argv[1]); \
        { \
          _cmd; \
        } \
        arg_py_context_restore(C, &py_c); \
      } \
      ((void)0)

#  endif /* WITH_PYTHON */

/** \} */

/* -------------------------------------------------------------------- */
/** \name Handle Argument Callbacks
 *
 * \note Doc strings here are used in differently:
 *
 * - The `--help` message.
 * - The man page (for Unix systems),
 *   see: `doc/manpage/blender.1.py`
 * - Parsed and extracted for the manual,
 *   which converts our ad-hoc formatting to reStructuredText.
 *   see: https://docs.blender.org/manual/en/dev/advanced/command_line.html
 *
 * \{ */

static void print_version_full(void)
{
  printf(BLEND_VERSION_STRING_FMT);
#  ifdef BUILD_DATE
  printf("\tbuild date: %s\n", build_date);
  printf("\tbuild time: %s\n", build_time);
  printf("\tbuild commit date: %s\n", build_commit_date);
  printf("\tbuild commit time: %s\n", build_commit_time);
  printf("\tbuild hash: %s\n", build_hash);
  printf("\tbuild platform: %s\n", build_platform);
  printf("\tbuild type: %s\n", build_type);
  printf("\tbuild c flags: %s\n", build_cflags);
  printf("\tbuild c++ flags: %s\n", build_cxxflags);
  printf("\tbuild link flags: %s\n", build_linkflags);
  printf("\tbuild system: %s\n", build_system);
#  endif
}

static void print_version_short(void)
{
#  ifdef BUILD_DATE
  /* NOTE: We include built time since sometimes we need to tell broken from
   * working built of the same hash. */
  printf(BLEND_VERSION_FMT " (hash %s built %s %s)\n",
         BLEND_VERSION_ARG,
         build_hash,
         build_date,
         build_time);
#  else
  printf(BLEND_VERSION_STRING_FMT);
#  endif
}

static const char arg_handle_print_version_doc[] =
    "\n\t"
    "Print Blender version and exit.";
static int arg_handle_print_version(int UNUSED(argc),
                                    const char **UNUSED(argv),
                                    void *UNUSED(data))
{
  print_version_full();
  exit(0);
  return 0;
}

static const char arg_handle_print_help_doc[] =
    "\n\t"
    "Print this help text and exit.";
static const char arg_handle_print_help_doc_win32[] =
    "\n\t"
    "Print this help text and exit (windows only).";
static int arg_handle_print_help(int UNUSED(argc), const char **UNUSED(argv), void *data)
{
  bArgs *ba = (bArgs *)data;

  printf(BLEND_VERSION_STRING_FMT);
  printf("Usage: blender [args ...] [file] [args ...]\n\n");

  printf("Render Options:\n");
  BLI_argsPrintArgDoc(ba, "--background");
  BLI_argsPrintArgDoc(ba, "--render-anim");
  BLI_argsPrintArgDoc(ba, "--scene");
  BLI_argsPrintArgDoc(ba, "--render-frame");
  BLI_argsPrintArgDoc(ba, "--frame-start");
  BLI_argsPrintArgDoc(ba, "--frame-end");
  BLI_argsPrintArgDoc(ba, "--frame-jump");
  BLI_argsPrintArgDoc(ba, "--render-output");
  BLI_argsPrintArgDoc(ba, "--engine");
  BLI_argsPrintArgDoc(ba, "--threads");

  printf("\n");
  printf("Format Options:\n");
  BLI_argsPrintArgDoc(ba, "--render-format");
  BLI_argsPrintArgDoc(ba, "--use-extension");

  printf("\n");
  printf("Animation Playback Options:\n");
  BLI_argsPrintArgDoc(ba, "-a");

  printf("\n");
  printf("Window Options:\n");
  BLI_argsPrintArgDoc(ba, "--window-border");
  BLI_argsPrintArgDoc(ba, "--window-fullscreen");
  BLI_argsPrintArgDoc(ba, "--window-geometry");
  BLI_argsPrintArgDoc(ba, "--window-maximized");
  BLI_argsPrintArgDoc(ba, "--start-console");
  BLI_argsPrintArgDoc(ba, "--no-native-pixels");
  BLI_argsPrintArgDoc(ba, "--no-window-focus");

  printf("\n");
  printf("Python Options:\n");
  BLI_argsPrintArgDoc(ba, "--enable-autoexec");
  BLI_argsPrintArgDoc(ba, "--disable-autoexec");

  printf("\n");

  BLI_argsPrintArgDoc(ba, "--python");
  BLI_argsPrintArgDoc(ba, "--python-text");
  BLI_argsPrintArgDoc(ba, "--python-expr");
  BLI_argsPrintArgDoc(ba, "--python-console");
  BLI_argsPrintArgDoc(ba, "--python-exit-code");
  BLI_argsPrintArgDoc(ba, "--addons");

  printf("\n");
  printf("Logging Options:\n");
  BLI_argsPrintArgDoc(ba, "--log");
  BLI_argsPrintArgDoc(ba, "--log-level");
  BLI_argsPrintArgDoc(ba, "--log-show-basename");
  BLI_argsPrintArgDoc(ba, "--log-show-backtrace");
  BLI_argsPrintArgDoc(ba, "--log-show-timestamp");
  BLI_argsPrintArgDoc(ba, "--log-file");

  printf("\n");
  printf("Debug Options:\n");
  BLI_argsPrintArgDoc(ba, "--debug");
  BLI_argsPrintArgDoc(ba, "--debug-value");

  printf("\n");
  BLI_argsPrintArgDoc(ba, "--debug-events");
#  ifdef WITH_FFMPEG
  BLI_argsPrintArgDoc(ba, "--debug-ffmpeg");
#  endif
  BLI_argsPrintArgDoc(ba, "--debug-handlers");
#  ifdef WITH_LIBMV
  BLI_argsPrintArgDoc(ba, "--debug-libmv");
#  endif
#  ifdef WITH_CYCLES_LOGGING
  BLI_argsPrintArgDoc(ba, "--debug-cycles");
#  endif
  BLI_argsPrintArgDoc(ba, "--debug-memory");
  BLI_argsPrintArgDoc(ba, "--debug-jobs");
  BLI_argsPrintArgDoc(ba, "--debug-python");
  BLI_argsPrintArgDoc(ba, "--debug-depsgraph");
  BLI_argsPrintArgDoc(ba, "--debug-depsgraph-eval");
  BLI_argsPrintArgDoc(ba, "--debug-depsgraph-build");
  BLI_argsPrintArgDoc(ba, "--debug-depsgraph-tag");
  BLI_argsPrintArgDoc(ba, "--debug-depsgraph-no-threads");
  BLI_argsPrintArgDoc(ba, "--debug-depsgraph-time");
  BLI_argsPrintArgDoc(ba, "--debug-depsgraph-pretty");
  BLI_argsPrintArgDoc(ba, "--debug-gpu");
  BLI_argsPrintArgDoc(ba, "--debug-gpumem");
  BLI_argsPrintArgDoc(ba, "--debug-gpu-shaders");
  BLI_argsPrintArgDoc(ba, "--debug-gpu-force-workarounds");
  BLI_argsPrintArgDoc(ba, "--debug-wm");
  BLI_argsPrintArgDoc(ba, "--debug-all");
  BLI_argsPrintArgDoc(ba, "--debug-io");

  printf("\n");
  BLI_argsPrintArgDoc(ba, "--debug-fpe");
  BLI_argsPrintArgDoc(ba, "--disable-crash-handler");
  BLI_argsPrintArgDoc(ba, "--disable-abort-handler");

  printf("\n");
  printf("Misc Options:\n");
  BLI_argsPrintArgDoc(ba, "--app-template");
  BLI_argsPrintArgDoc(ba, "--factory-startup");
  BLI_argsPrintArgDoc(ba, "--enable-library-override");
  BLI_argsPrintArgDoc(ba, "--enable-event-simulate");
  printf("\n");
  BLI_argsPrintArgDoc(ba, "--env-system-datafiles");
  BLI_argsPrintArgDoc(ba, "--env-system-scripts");
  BLI_argsPrintArgDoc(ba, "--env-system-python");
  printf("\n");
  BLI_argsPrintArgDoc(ba, "-noaudio");
  BLI_argsPrintArgDoc(ba, "-setaudio");

  printf("\n");

  BLI_argsPrintArgDoc(ba, "--help");

  /* WIN32 only (ignored for non-win32) */
  BLI_argsPrintArgDoc(ba, "-R");
  BLI_argsPrintArgDoc(ba, "-r");

  BLI_argsPrintArgDoc(ba, "--version");

  BLI_argsPrintArgDoc(ba, "--");

  // printf("\n");
  // printf("Experimental Features:\n");

  /* Other options _must_ be last (anything not handled will show here) */
  printf("\n");
  printf("Other Options:\n");
  BLI_argsPrintOtherDoc(ba);

  printf("\n");
  printf("Argument Parsing:\n");
  printf("\tArguments must be separated by white space, eg:\n");
  printf("\t# blender -ba test.blend\n");
  printf("\t...will exit since '-ba' is an unknown argument.\n");

  printf("Argument Order:\n");
  printf("\tArguments are executed in the order they are given. eg:\n");
  printf("\t# blender --background test.blend --render-frame 1 --render-output '/tmp'\n");
  printf(
      "\t...will not render to '/tmp' because '--render-frame 1' renders before the output path "
      "is set.\n");
  printf("\t# blender --background --render-output /tmp test.blend --render-frame 1\n");
  printf(
      "\t...will not render to '/tmp' because loading the blend-file overwrites the render output "
      "that was set.\n");
  printf("\t# blender --background test.blend --render-output /tmp --render-frame 1\n");
  printf("\t...works as expected.\n\n");

  printf("Environment Variables:\n");
  printf("  $BLENDER_USER_CONFIG      Directory for user configuration files.\n");
  printf("  $BLENDER_USER_SCRIPTS     Directory for user scripts.\n");
  printf("  $BLENDER_SYSTEM_SCRIPTS   Directory for system wide scripts.\n");
  printf("  $BLENDER_USER_DATAFILES   Directory for user data files (icons, translations, ..).\n");
  printf("  $BLENDER_SYSTEM_DATAFILES Directory for system wide data files.\n");
  printf("  $BLENDER_SYSTEM_PYTHON    Directory for system Python libraries.\n");
#  ifdef WIN32
  printf("  $TEMP                     Store temporary files here.\n");
#  else
  printf("  $TMP or $TMPDIR           Store temporary files here.\n");
#  endif
#  ifdef WITH_SDL
  printf("  $SDL_AUDIODRIVER          LibSDL audio driver - alsa, esd, dma.\n");
#  endif
  printf("  $PYTHONHOME               Path to the Python directory, eg. /usr/lib/python.\n\n");

  exit(0);

  return 0;
}

static const char arg_handle_arguments_end_doc[] =
    "\n\t"
    "End option processing, following arguments passed unchanged. Access via Python's "
    "'sys.argv'.";
static int arg_handle_arguments_end(int UNUSED(argc),
                                    const char **UNUSED(argv),
                                    void *UNUSED(data))
{
  return -1;
}

/* only to give help message */
#  ifndef WITH_PYTHON_SECURITY /* default */
#    define PY_ENABLE_AUTO ", (default)"
#    define PY_DISABLE_AUTO ""
#  else
#    define PY_ENABLE_AUTO ""
#    define PY_DISABLE_AUTO ", (compiled as non-standard default)"
#  endif

static const char arg_handle_python_set_doc_enable[] =
    "\n\t"
    "Enable automatic Python script execution" PY_ENABLE_AUTO ".";
static const char arg_handle_python_set_doc_disable[] =
    "\n\t"
    "Disable automatic Python script execution (pydrivers & startup scripts)" PY_DISABLE_AUTO ".";
#  undef PY_ENABLE_AUTO
#  undef PY_DISABLE_AUTO

static int arg_handle_python_set(int UNUSED(argc), const char **UNUSED(argv), void *data)
{
  if ((bool)data) {
    G.f |= G_FLAG_SCRIPT_AUTOEXEC;
  }
  else {
    G.f &= ~G_FLAG_SCRIPT_AUTOEXEC;
  }
  G.f |= G_FLAG_SCRIPT_OVERRIDE_PREF;
  return 0;
}

static const char arg_handle_crash_handler_disable_doc[] =
    "\n\t"
    "Disable the crash handler.";
static int arg_handle_crash_handler_disable(int UNUSED(argc),
                                            const char **UNUSED(argv),
                                            void *UNUSED(data))
{
  app_state.signal.use_crash_handler = false;
  return 0;
}

static const char arg_handle_abort_handler_disable_doc[] =
    "\n\t"
    "Disable the abort handler.";
static int arg_handle_abort_handler_disable(int UNUSED(argc),
                                            const char **UNUSED(argv),
                                            void *UNUSED(data))
{
  app_state.signal.use_abort_handler = false;
  return 0;
}

static const char arg_handle_background_mode_set_doc[] =
    "\n\t"
    "Run in background (often used for UI-less rendering).";
static int arg_handle_background_mode_set(int UNUSED(argc),
                                          const char **UNUSED(argv),
                                          void *UNUSED(data))
{
  print_version_short();
  G.background = 1;
  return 0;
}

static const char arg_handle_log_level_set_doc[] =
    "<level>\n"
    "\tSet the logging verbosity level (higher for more details) defaults to 1,\n"
    "\tuse -1 to log all levels.";
static int arg_handle_log_level_set(int argc, const char **argv, void *UNUSED(data))
{
  const char *arg_id = "--log-level";
  if (argc > 1) {
    const char *err_msg = NULL;
    if (!parse_int_clamp(argv[1], NULL, -1, INT_MAX, &G.log.level, &err_msg)) {
      printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
    }
    else {
      if (G.log.level == -1) {
        G.log.level = INT_MAX;
      }
      CLG_level_set(G.log.level);
    }
    return 1;
  }
  else {
    printf("\nError: '%s' no args given.\n", arg_id);
    return 0;
  }
}

static const char arg_handle_log_show_basename_set_doc[] =
    "\n\t"
    "Only show file name in output (not the leading path).";
static int arg_handle_log_show_basename_set(int UNUSED(argc),
                                            const char **UNUSED(argv),
                                            void *UNUSED(data))
{
  CLG_output_use_basename_set(true);
  return 0;
}

static const char arg_handle_log_show_backtrace_set_doc[] =
    "\n\t"
    "Show a back trace for each log message (debug builds only).";
static int arg_handle_log_show_backtrace_set(int UNUSED(argc),
                                             const char **UNUSED(argv),
                                             void *UNUSED(data))
{
  /* Ensure types don't become incompatible. */
  void (*fn)(FILE * fp) = BLI_system_backtrace;
  CLG_backtrace_fn_set((void (*)(void *))fn);
  return 0;
}

static const char arg_handle_log_show_timestamp_set_doc[] =
    "\n\t"
    "Show a timestamp for each log message in seconds since start.";
static int arg_handle_log_show_timestamp_set(int UNUSED(argc),
                                             const char **UNUSED(argv),
                                             void *UNUSED(data))
{
  CLG_output_use_timestamp_set(true);
  return 0;
}

static const char arg_handle_log_file_set_doc[] =
    "<filename>\n"
    "\tSet a file to output the log to.";
static int arg_handle_log_file_set(int argc, const char **argv, void *UNUSED(data))
{
  const char *arg_id = "--log-file";
  if (argc > 1) {
    errno = 0;
    FILE *fp = BLI_fopen(argv[1], "w");
    if (fp == NULL) {
      const char *err_msg = errno ? strerror(errno) : "unknown";
      printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
    }
    else {
      if (UNLIKELY(G.log.file != NULL)) {
        fclose(G.log.file);
      }
      G.log.file = fp;
      CLG_output_set(G.log.file);
    }
    return 1;
  }
  else {
    printf("\nError: '%s' no args given.\n", arg_id);
    return 0;
  }
}

static const char arg_handle_log_set_doc[] =
    "<match>\n"
    "\tEnable logging categories, taking a single comma separated argument.\n"
    "\tMultiple categories can be matched using a '.*' suffix,\n"
    "\tso '--log \"wm.*\"' logs every kind of window-manager message.\n"
    "\tUse \"^\" prefix to ignore, so '--log \"*,^wm.operator.*\"' logs all except for "
    "'wm.operators.*'\n"
    "\tUse \"*\" to log everything.";
static int arg_handle_log_set(int argc, const char **argv, void *UNUSED(data))
{
  const char *arg_id = "--log";
  if (argc > 1) {
    const char *str_step = argv[1];
    while (*str_step) {
      const char *str_step_end = strchr(str_step, ',');
      int str_step_len = str_step_end ? (str_step_end - str_step) : strlen(str_step);

      if (str_step[0] == '^') {
        CLG_type_filter_exclude(str_step + 1, str_step_len - 1);
      }
      else {
        CLG_type_filter_include(str_step, str_step_len);
      }

      if (str_step_end) {
        /* typically only be one, but don't fail on multiple.*/
        while (*str_step_end == ',') {
          str_step_end++;
        }
        str_step = str_step_end;
      }
      else {
        break;
      }
    }
    return 1;
  }
  else {
    printf("\nError: '%s' no args given.\n", arg_id);
    return 0;
  }
}

static const char arg_handle_debug_mode_set_doc[] =
    "\n"
    "\tTurn debugging on.\n"
    "\n"
    "\t* Enables memory error detection\n"
    "\t* Disables mouse grab (to interact with a debugger in some cases)\n"
    "\t* Keeps Python's 'sys.stdin' rather than setting it to None";
static int arg_handle_debug_mode_set(int UNUSED(argc), const char **UNUSED(argv), void *data)
{
  G.debug |= G_DEBUG; /* std output printf's */
  printf(BLEND_VERSION_STRING_FMT);
  MEM_set_memory_debug();
#  ifndef NDEBUG
  BLI_mempool_set_memory_debug();
#  endif

#  ifdef WITH_BUILDINFO
  printf("Build: %s %s %s %s\n", build_date, build_time, build_platform, build_type);
#  endif

  BLI_argsPrint(data);
  return 0;
}

#  ifdef WITH_FFMPEG
static const char arg_handle_debug_mode_generic_set_doc_ffmpeg[] =
    "\n\t"
    "Enable debug messages from FFmpeg library.";
#  endif
#  ifdef WITH_FREESTYLE
static const char arg_handle_debug_mode_generic_set_doc_freestyle[] =
    "\n\t"
    "Enable debug messages for Freestyle.";
#  endif
static const char arg_handle_debug_mode_generic_set_doc_python[] =
    "\n\t"
    "Enable debug messages for Python.";
static const char arg_handle_debug_mode_generic_set_doc_events[] =
    "\n\t"
    "Enable debug messages for the event system.";
static const char arg_handle_debug_mode_generic_set_doc_handlers[] =
    "\n\t"
    "Enable debug messages for event handling.";
static const char arg_handle_debug_mode_generic_set_doc_wm[] =
    "\n\t"
    "Enable debug messages for the window manager, shows all operators in search, shows "
    "keymap errors.";
static const char arg_handle_debug_mode_generic_set_doc_jobs[] =
    "\n\t"
    "Enable time profiling for background jobs.";
static const char arg_handle_debug_mode_generic_set_doc_gpu[] =
    "\n\t"
    "Enable gpu debug context and information for OpenGL 4.3+.";
static const char arg_handle_debug_mode_generic_set_doc_depsgraph[] =
    "\n\t"
    "Enable all debug messages from dependency graph.";
static const char arg_handle_debug_mode_generic_set_doc_depsgraph_build[] =
    "\n\t"
    "Enable debug messages from dependency graph related on graph construction.";
static const char arg_handle_debug_mode_generic_set_doc_depsgraph_tag[] =
    "\n\t"
    "Enable debug messages from dependency graph related on tagging.";
static const char arg_handle_debug_mode_generic_set_doc_depsgraph_time[] =
    "\n\t"
    "Enable debug messages from dependency graph related on timing.";
static const char arg_handle_debug_mode_generic_set_doc_depsgraph_eval[] =
    "\n\t"
    "Enable debug messages from dependency graph related on evaluation.";
static const char arg_handle_debug_mode_generic_set_doc_depsgraph_no_threads[] =
    "\n\t"
    "Switch dependency graph to a single threaded evaluation.";
static const char arg_handle_debug_mode_generic_set_doc_depsgraph_pretty[] =
    "\n\t"
    "Enable colors for dependency graph debug messages.";
static const char arg_handle_debug_mode_generic_set_doc_gpumem[] =
    "\n\t"
    "Enable GPU memory stats in status bar.";

static int arg_handle_debug_mode_generic_set(int UNUSED(argc),
                                             const char **UNUSED(argv),
                                             void *data)
{
  G.debug |= POINTER_AS_INT(data);
  return 0;
}

static const char arg_handle_debug_mode_io_doc[] =
    "\n\t"
    "Enable debug messages for I/O (collada, ...).";
static int arg_handle_debug_mode_io(int UNUSED(argc),
                                    const char **UNUSED(argv),
                                    void *UNUSED(data))
{
  G.debug |= G_DEBUG_IO;
  return 0;
}

static const char arg_handle_debug_mode_all_doc[] =
    "\n\t"
    "Enable all debug messages.";
static int arg_handle_debug_mode_all(int UNUSED(argc),
                                     const char **UNUSED(argv),
                                     void *UNUSED(data))
{
  G.debug |= G_DEBUG_ALL;
#  ifdef WITH_LIBMV
  libmv_startDebugLogging();
#  endif
#  ifdef WITH_CYCLES_LOGGING
  CCL_start_debug_logging();
#  endif
  return 0;
}

#  ifdef WITH_LIBMV
static const char arg_handle_debug_mode_libmv_doc[] =
    "\n\t"
    "Enable debug messages from libmv library.";
static int arg_handle_debug_mode_libmv(int UNUSED(argc),
                                       const char **UNUSED(argv),
                                       void *UNUSED(data))
{
  libmv_startDebugLogging();

  return 0;
}
#  endif

#  ifdef WITH_CYCLES_LOGGING
static const char arg_handle_debug_mode_cycles_doc[] =
    "\n\t"
    "Enable debug messages from Cycles.";
static int arg_handle_debug_mode_cycles(int UNUSED(argc),
                                        const char **UNUSED(argv),
                                        void *UNUSED(data))
{
  CCL_start_debug_logging();
  return 0;
}
#  endif

static const char arg_handle_debug_mode_memory_set_doc[] =
    "\n\t"
    "Enable fully guarded memory allocation and debugging.";
static int arg_handle_debug_mode_memory_set(int UNUSED(argc),
                                            const char **UNUSED(argv),
                                            void *UNUSED(data))
{
  MEM_set_memory_debug();
  return 0;
}

static const char arg_handle_debug_value_set_doc[] =
    "<value>\n"
    "\tSet debug value of <value> on startup.";
static int arg_handle_debug_value_set(int argc, const char **argv, void *UNUSED(data))
{
  const char *arg_id = "--debug-value";
  if (argc > 1) {
    const char *err_msg = NULL;
    int value;
    if (!parse_int(argv[1], NULL, &value, &err_msg)) {
      printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
      return 1;
    }

    G.debug_value = value;

    return 1;
  }
  else {
    printf("\nError: you must specify debug value to set.\n");
    return 0;
  }
}

static const char arg_handle_debug_fpe_set_doc[] =
    "\n\t"
    "Enable floating point exceptions.";
static int arg_handle_debug_fpe_set(int UNUSED(argc),
                                    const char **UNUSED(argv),
                                    void *UNUSED(data))
{
  main_signal_setup_fpe();
  return 0;
}

static const char arg_handle_app_template_doc[] =
    "<template>\n"
    "\tSet the application template (matching the directory name), use 'default' for none.";
static int arg_handle_app_template(int argc, const char **argv, void *UNUSED(data))
{
  if (argc > 1) {
    const char *app_template = STREQ(argv[1], "default") ? "" : argv[1];
    WM_init_state_app_template_set(app_template);
    return 1;
  }
  else {
    printf("\nError: App template must follow '--app-template'.\n");
    return 0;
  }
}

static const char arg_handle_factory_startup_set_doc[] =
    "\n\t"
    "Skip reading the " STRINGIFY(BLENDER_STARTUP_FILE) " in the users home directory.";
static int arg_handle_factory_startup_set(int UNUSED(argc),
                                          const char **UNUSED(argv),
                                          void *UNUSED(data))
{
  G.factory_startup = 1;
  G.f |= G_FLAG_USERPREF_NO_SAVE_ON_EXIT;
  return 0;
}

static const char arg_handle_enable_override_library_doc[] =
    "\n\t"
    "Enable Library Override features in the UI.";
static int arg_handle_enable_override_library(int UNUSED(argc),
                                              const char **UNUSED(argv),
                                              void *UNUSED(data))
{
  BKE_override_library_enable(true);
  return 0;
}

static const char arg_handle_enable_event_simulate_doc[] =
    "\n\t"
    "Enable event simulation testing feature 'bpy.types.Window.event_simulate'.";
static int arg_handle_enable_event_simulate(int UNUSED(argc),
                                            const char **UNUSED(argv),
                                            void *UNUSED(data))
{
  G.f |= G_FLAG_EVENT_SIMULATE;
  return 0;
}

static const char arg_handle_env_system_set_doc_datafiles[] =
    "\n\t"
    "Set the " STRINGIFY_ARG(BLENDER_SYSTEM_DATAFILES) " environment variable.";
static const char arg_handle_env_system_set_doc_scripts[] =
    "\n\t"
    "Set the " STRINGIFY_ARG(BLENDER_SYSTEM_SCRIPTS) " environment variable.";
static const char arg_handle_env_system_set_doc_python[] =
    "\n\t"
    "Set the " STRINGIFY_ARG(BLENDER_SYSTEM_PYTHON) " environment variable.";

static int arg_handle_env_system_set(int argc, const char **argv, void *UNUSED(data))
{
  /* "--env-system-scripts" --> "BLENDER_SYSTEM_SCRIPTS" */

  char env[64] = "BLENDER";
  char *ch_dst = env + 7;           /* skip BLENDER */
  const char *ch_src = argv[0] + 5; /* skip --env */

  if (argc < 2) {
    printf("%s requires one argument\n", argv[0]);
    exit(1);
  }

  for (; *ch_src; ch_src++, ch_dst++) {
    *ch_dst = (*ch_src == '-') ? '_' : (*ch_src) - 32; /* toupper() */
  }

  *ch_dst = '\0';
  BLI_setenv(env, argv[1]);
  return 1;
}

static const char arg_handle_playback_mode_doc[] =
    "<options> <file(s)>\n"
    "\tInstead of showing Blender's user interface, this runs Blender as an animation player,\n"
    "\tto view movies and image sequences rendered in Blender (ignored if '-b' is set).\n"
    "\n"
    "\tPlayback Arguments:\n"
    "\n"
    "\t-p <sx> <sy>\n"
    "\t\tOpen with lower left corner at <sx>, <sy>.\n"
    "\t-m\n"
    "\t\tRead from disk (Do not buffer).\n"
    "\t-f <fps> <fps-base>\n"
    "\t\tSpecify FPS to start with.\n"
    "\t-j <frame>\n"
    "\t\tSet frame step to <frame>.\n"
    "\t-s <frame>\n"
    "\t\tPlay from <frame>.\n"
    "\t-e <frame>\n"
    "\t\tPlay until <frame>.";
static int arg_handle_playback_mode(int argc, const char **argv, void *UNUSED(data))
{
  /* not if -b was given first */
  if (G.background == 0) {
#  ifdef WITH_FFMPEG
    /* Setup FFmpeg with current debug flags. */
    IMB_ffmpeg_init();
#  endif

    WM_main_playanim(argc, argv); /* not the same argc and argv as before */
    exit(0);                      /* 2.4x didn't do this */
  }

  return -2;
}

static const char arg_handle_window_geometry_doc[] =
    "<sx> <sy> <w> <h>\n"
    "\tOpen with lower left corner at <sx>, <sy> and width and height as <w>, <h>.";
static int arg_handle_window_geometry(int argc, const char **argv, void *UNUSED(data))
{
  const char *arg_id = "-p / --window-geometry";
  int params[4], i;

  if (argc < 5) {
    fprintf(stderr, "Error: requires four arguments '%s'\n", arg_id);
    exit(1);
  }

  for (i = 0; i < 4; i++) {
    const char *err_msg = NULL;
    if (!parse_int(argv[i + 1], NULL, &params[i], &err_msg)) {
      printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
      exit(1);
    }
  }

  WM_init_state_size_set(UNPACK4(params));

  return 4;
}

static const char arg_handle_native_pixels_set_doc[] =
    "\n\t"
    "Do not use native pixel size, for high resolution displays (MacBook 'Retina').";
static int arg_handle_native_pixels_set(int UNUSED(argc),
                                        const char **UNUSED(argv),
                                        void *UNUSED(data))
{
  WM_init_native_pixels(false);
  return 0;
}

static const char arg_handle_with_borders_doc[] =
    "\n\t"
    "Force opening with borders.";
static int arg_handle_with_borders(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
{
  WM_init_state_normal_set();
  return 0;
}

static const char arg_handle_without_borders_doc[] =
    "\n\t"
    "Force opening in fullscreen mode.";
static int arg_handle_without_borders(int UNUSED(argc),
                                      const char **UNUSED(argv),
                                      void *UNUSED(data))
{
  WM_init_state_fullscreen_set();
  return 0;
}

static const char arg_handle_window_maximized_doc[] =
    "\n\t"
    "Force opening maximized.";
static int arg_handle_window_maximized(int UNUSED(argc),
                                       const char **UNUSED(argv),
                                       void *UNUSED(data))
{
  WM_init_state_maximized_set();
  return 0;
}

static const char arg_handle_no_window_focus_doc[] =
    "\n\t"
    "Open behind other windows and without taking focus.";
static int arg_handle_no_window_focus(int UNUSED(argc),
                                      const char **UNUSED(argv),
                                      void *UNUSED(data))
{
  WM_init_window_focus_set(false);
  return 0;
}

static const char arg_handle_start_with_console_doc[] =
    "\n\t"
    "Start with the console window open (ignored if '-b' is set), (Windows only).";
static int arg_handle_start_with_console(int UNUSED(argc),
                                         const char **UNUSED(argv),
                                         void *UNUSED(data))
{
  WM_init_state_start_with_console_set(true);
  return 0;
}

static const char arg_handle_register_extension_doc[] =
    "\n\t"
    "Register blend-file extension, then exit (Windows only).";
static const char arg_handle_register_extension_doc_silent[] =
    "\n\t"
    "Silently register blend-file extension, then exit (Windows only).";
static int arg_handle_register_extension(int UNUSED(argc), const char **UNUSED(argv), void *data)
{
#  ifdef WIN32
  if (data) {
    G.background = 1;
  }
  RegisterBlendExtension();
#  else
  (void)data; /* unused */
#  endif
  return 0;
}

static const char arg_handle_audio_disable_doc[] =
    "\n\t"
    "Force sound system to None.";
static int arg_handle_audio_disable(int UNUSED(argc),
                                    const char **UNUSED(argv),
                                    void *UNUSED(data))
{
  BKE_sound_force_device("Null");
  return 0;
}

static const char arg_handle_audio_set_doc[] =
    "\n\t"
    "Force sound system to a specific device."
    "\n\t"
    "'NULL' 'SDL' 'OPENAL' 'JACK'.";
static int arg_handle_audio_set(int argc, const char **argv, void *UNUSED(data))
{
  if (argc < 1) {
    fprintf(stderr, "-setaudio require one argument\n");
    exit(1);
  }

  BKE_sound_force_device(argv[1]);
  return 1;
}

static const char arg_handle_output_set_doc[] =
    "<path>\n"
    "\tSet the render path and file name.\n"
    "\tUse '//' at the start of the path to render relative to the blend-file.\n"
    "\n"
    "\tThe '#' characters are replaced by the frame number, and used to define zero padding.\n"
    "\n"
    "\t* 'animation_##_test.png' becomes 'animation_01_test.png'\n"
    "\t* 'test-######.png' becomes 'test-000001.png'\n"
    "\n"
    "\tWhen the filename does not contain '#', The suffix '####' is added to the filename.\n"
    "\n"
    "\tThe frame number will be added at the end of the filename, eg:\n"
    "\t# blender -b animation.blend -o //render_ -F PNG -x 1 -a\n"
    "\t'//render_' becomes '//render_####', writing frames as '//render_0001.png'";
static int arg_handle_output_set(int argc, const char **argv, void *data)
{
  bContext *C = data;
  if (argc > 1) {
    Scene *scene = CTX_data_scene(C);
    if (scene) {
      BLI_strncpy(scene->r.pic, argv[1], sizeof(scene->r.pic));
    }
    else {
      printf("\nError: no blend loaded. cannot use '-o / --render-output'.\n");
    }
    return 1;
  }
  else {
    printf("\nError: you must specify a path after '-o  / --render-output'.\n");
    return 0;
  }
}

static const char arg_handle_engine_set_doc[] =
    "<engine>\n"
    "\tSpecify the render engine.\n"
    "\tUse '-E' help to list available engines.";
static int arg_handle_engine_set(int argc, const char **argv, void *data)
{
  bContext *C = data;
  if (argc >= 2) {
    if (STREQ(argv[1], "help")) {
      RenderEngineType *type = NULL;
      printf("Blender Engine Listing:\n");
      for (type = R_engines.first; type; type = type->next) {
        printf("\t%s\n", type->idname);
      }
      exit(0);
    }
    else {
      Scene *scene = CTX_data_scene(C);
      if (scene) {
        if (BLI_findstring(&R_engines, argv[1], offsetof(RenderEngineType, idname))) {
          BLI_strncpy_utf8(scene->r.engine, argv[1], sizeof(scene->r.engine));
        }
        else {
          printf("\nError: engine not found '%s'\n", argv[1]);
          exit(1);
        }
      }
      else {
        printf(
            "\nError: no blend loaded. "
            "order the arguments so '-E / --engine' is after a blend is loaded.\n");
      }
    }

    return 1;
  }
  else {
    printf("\nEngine not specified, give 'help' for a list of available engines.\n");
    return 0;
  }
}

static const char arg_handle_image_type_set_doc[] =
    "<format>\n"
    "\tSet the render format.\n"
    "\tValid options are:\n"
    "\t'TGA' 'RAWTGA' 'JPEG' 'IRIS' 'IRIZ' 'AVIRAW' 'AVIJPEG' 'PNG' 'BMP'\n"
    "\n"
    "\tFormats that can be compiled into Blender, not available on all systems:\n"
    "\t'HDR' 'TIFF' 'OPEN_EXR' 'OPEN_EXR_MULTILAYER' 'MPEG' 'CINEON' 'DPX' 'DDS' 'JP2'";
static int arg_handle_image_type_set(int argc, const char **argv, void *data)
{
  bContext *C = data;
  if (argc > 1) {
    const char *imtype = argv[1];
    Scene *scene = CTX_data_scene(C);
    if (scene) {
      const char imtype_new = BKE_imtype_from_arg(imtype);

      if (imtype_new == R_IMF_IMTYPE_INVALID) {
        printf(
            "\nError: Format from '-F / --render-format' not known or not compiled in this "
            "release.\n");
      }
      else {
        scene->r.im_format.imtype = imtype_new;
      }
    }
    else {
      printf(
          "\nError: no blend loaded. "
          "order the arguments so '-F  / --render-format' is after the blend is loaded.\n");
    }
    return 1;
  }
  else {
    printf("\nError: you must specify a format after '-F  / --render-foramt'.\n");
    return 0;
  }
}

static const char arg_handle_threads_set_doc[] =
    "<threads>\n"
    "\tUse amount of <threads> for rendering and other operations\n"
    "\t[1-" STRINGIFY(BLENDER_MAX_THREADS) "], 0 for systems processor count.";
static int arg_handle_threads_set(int argc, const char **argv, void *UNUSED(data))
{
  const char *arg_id = "-t / --threads";
  const int min = 0, max = BLENDER_MAX_THREADS;
  if (argc > 1) {
    const char *err_msg = NULL;
    int threads;
    if (!parse_int_strict_range(argv[1], NULL, min, max, &threads, &err_msg)) {
      printf("\nError: %s '%s %s', expected number in [%d..%d].\n",
             err_msg,
             arg_id,
             argv[1],
             min,
             max);
      return 1;
    }

    BLI_system_num_threads_override_set(threads);
    return 1;
  }
  else {
    printf("\nError: you must specify a number of threads in [%d..%d] '%s'.\n", min, max, arg_id);
    return 0;
  }
}

static const char arg_handle_verbosity_set_doc[] =
    "<verbose>\n"
    "\tSet logging verbosity level for debug messages which supports it.";
static int arg_handle_verbosity_set(int argc, const char **argv, void *UNUSED(data))
{
  const char *arg_id = "--verbose";
  if (argc > 1) {
    const char *err_msg = NULL;
    int level;
    if (!parse_int(argv[1], NULL, &level, &err_msg)) {
      printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
    }

#  ifdef WITH_LIBMV
    libmv_setLoggingVerbosity(level);
#  elif defined(WITH_CYCLES_LOGGING)
    CCL_logging_verbosity_set(level);
#  else
    (void)level;
#  endif

    return 1;
  }
  else {
    printf("\nError: you must specify a verbosity level.\n");
    return 0;
  }
}

static const char arg_handle_extension_set_doc[] =
    "<bool>\n"
    "\tSet option to add the file extension to the end of the file.";
static int arg_handle_extension_set(int argc, const char **argv, void *data)
{
  bContext *C = data;
  if (argc > 1) {
    Scene *scene = CTX_data_scene(C);
    if (scene) {
      if (argv[1][0] == '0') {
        scene->r.scemode &= ~R_EXTENSION;
      }
      else if (argv[1][0] == '1') {
        scene->r.scemode |= R_EXTENSION;
      }
      else {
        printf("\nError: Use '-x 1 / -x 0' To set the extension option or '--use-extension'\n");
      }
    }
    else {
      printf(
          "\nError: no blend loaded. "
          "order the arguments so '-o ' is after '-x '.\n");
    }
    return 1;
  }
  else {
    printf("\nError: you must specify a path after '- '.\n");
    return 0;
  }
}

static const char arg_handle_render_frame_doc[] =
    "<frame>\n"
    "\tRender frame <frame> and save it.\n"
    "\n"
    "\t* +<frame> start frame relative, -<frame> end frame relative.\n"
    "\t* A comma separated list of frames can also be used (no spaces).\n"
    "\t* A range of frames can be expressed using '..' separator between the first and last "
    "frames (inclusive).\n";
static int arg_handle_render_frame(int argc, const char **argv, void *data)
{
  const char *arg_id = "-f / --render-frame";
  bContext *C = data;
  Scene *scene = CTX_data_scene(C);
  if (scene) {
    Main *bmain = CTX_data_main(C);

    if (argc > 1) {
      const char *err_msg = NULL;
      Render *re;
      ReportList reports;

      int(*frame_range_arr)[2], frames_range_len;
      if ((frame_range_arr = parse_int_range_relative_clamp_n(argv[1],
                                                              scene->r.sfra,
                                                              scene->r.efra,
                                                              MINAFRAME,
                                                              MAXFRAME,
                                                              &frames_range_len,
                                                              &err_msg)) == NULL) {
        printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
        return 1;
      }

      re = RE_NewSceneRender(scene);
      BLI_threaded_malloc_begin();
      BKE_reports_init(&reports, RPT_STORE);
      RE_SetReports(re, &reports);
      for (int i = 0; i < frames_range_len; i++) {
        /* We could pass in frame ranges,
         * but prefer having exact behavior as passing in multiple frames */
        if ((frame_range_arr[i][0] <= frame_range_arr[i][1]) == 0) {
          printf("\nWarning: negative range ignored '%s %s'.\n", arg_id, argv[1]);
        }

        for (int frame = frame_range_arr[i][0]; frame <= frame_range_arr[i][1]; frame++) {
          RE_RenderAnim(re, bmain, scene, NULL, NULL, frame, frame, scene->r.frame_step);
        }
      }
      RE_SetReports(re, NULL);
      BKE_reports_clear(&reports);
      BLI_threaded_malloc_end();
      MEM_freeN(frame_range_arr);
      return 1;
    }
    else {
      printf("\nError: frame number must follow '%s'.\n", arg_id);
      return 0;
    }
  }
  else {
    printf("\nError: no blend loaded. cannot use '%s'.\n", arg_id);
    return 0;
  }
}

static const char arg_handle_render_animation_doc[] =
    "\n\t"
    "Render frames from start to end (inclusive).";
static int arg_handle_render_animation(int UNUSED(argc), const char **UNUSED(argv), void *data)
{
  bContext *C = data;
  Scene *scene = CTX_data_scene(C);
  if (scene) {
    Main *bmain = CTX_data_main(C);
    Render *re = RE_NewSceneRender(scene);
    ReportList reports;
    BLI_threaded_malloc_begin();
    BKE_reports_init(&reports, RPT_STORE);
    RE_SetReports(re, &reports);
    RE_RenderAnim(re, bmain, scene, NULL, NULL, scene->r.sfra, scene->r.efra, scene->r.frame_step);
    RE_SetReports(re, NULL);
    BKE_reports_clear(&reports);
    BLI_threaded_malloc_end();
  }
  else {
    printf("\nError: no blend loaded. cannot use '-a'.\n");
  }
  return 0;
}

static const char arg_handle_scene_set_doc[] =
    "<name>\n"
    "\tSet the active scene <name> for rendering.";
static int arg_handle_scene_set(int argc, const char **argv, void *data)
{
  if (argc > 1) {
    bContext *C = data;
    Scene *scene = BKE_scene_set_name(CTX_data_main(C), argv[1]);
    if (scene) {
      CTX_data_scene_set(C, scene);

      /* Set the scene of the first window, see: T55991,
       * otherwise scrips that run later won't get this scene back from the context. */
      wmWindow *win = CTX_wm_window(C);
      if (win == NULL) {
        win = CTX_wm_manager(C)->windows.first;
      }
      if (win != NULL) {
        WM_window_set_active_scene(CTX_data_main(C), C, win, scene);
      }
    }
    return 1;
  }
  else {
    printf("\nError: Scene name must follow '-S / --scene'.\n");
    return 0;
  }
}

static const char arg_handle_frame_start_set_doc[] =
    "<frame>\n"
    "\tSet start to frame <frame>, supports +/- for relative frames too.";
static int arg_handle_frame_start_set(int argc, const char **argv, void *data)
{
  const char *arg_id = "-s / --frame-start";
  bContext *C = data;
  Scene *scene = CTX_data_scene(C);
  if (scene) {
    if (argc > 1) {
      const char *err_msg = NULL;
      if (!parse_int_relative_clamp(argv[1],
                                    NULL,
                                    scene->r.sfra,
                                    scene->r.sfra - 1,
                                    MINAFRAME,
                                    MAXFRAME,
                                    &scene->r.sfra,
                                    &err_msg)) {
        printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
      }
      return 1;
    }
    else {
      printf("\nError: frame number must follow '%s'.\n", arg_id);
      return 0;
    }
  }
  else {
    printf("\nError: no blend loaded. cannot use '%s'.\n", arg_id);
    return 0;
  }
}

static const char arg_handle_frame_end_set_doc[] =
    "<frame>\n"
    "\tSet end to frame <frame>, supports +/- for relative frames too.";
static int arg_handle_frame_end_set(int argc, const char **argv, void *data)
{
  const char *arg_id = "-e / --frame-end";
  bContext *C = data;
  Scene *scene = CTX_data_scene(C);
  if (scene) {
    if (argc > 1) {
      const char *err_msg = NULL;
      if (!parse_int_relative_clamp(argv[1],
                                    NULL,
                                    scene->r.efra,
                                    scene->r.efra - 1,
                                    MINAFRAME,
                                    MAXFRAME,
                                    &scene->r.efra,
                                    &err_msg)) {
        printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
      }
      return 1;
    }
    else {
      printf("\nError: frame number must follow '%s'.\n", arg_id);
      return 0;
    }
  }
  else {
    printf("\nError: no blend loaded. cannot use '%s'.\n", arg_id);
    return 0;
  }
}

static const char arg_handle_frame_skip_set_doc[] =
    "<frames>\n"
    "\tSet number of frames to step forward after each rendered frame.";
static int arg_handle_frame_skip_set(int argc, const char **argv, void *data)
{
  const char *arg_id = "-j / --frame-jump";
  bContext *C = data;
  Scene *scene = CTX_data_scene(C);
  if (scene) {
    if (argc > 1) {
      const char *err_msg = NULL;
      if (!parse_int_clamp(argv[1], NULL, 1, MAXFRAME, &scene->r.frame_step, &err_msg)) {
        printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
      }
      return 1;
    }
    else {
      printf("\nError: number of frames to step must follow '%s'.\n", arg_id);
      return 0;
    }
  }
  else {
    printf("\nError: no blend loaded. cannot use '%s'.\n", arg_id);
    return 0;
  }
}

static const char arg_handle_python_file_run_doc[] =
    "<filename>\n"
    "\tRun the given Python script file.";
static int arg_handle_python_file_run(int argc, const char **argv, void *data)
{
#  ifdef WITH_PYTHON
  bContext *C = data;

  /* workaround for scripts not getting a bpy.context.scene, causes internal errors elsewhere */
  if (argc > 1) {
    /* Make the path absolute because its needed for relative linked blends to be found */
    char filename[FILE_MAX];
    BLI_strncpy(filename, argv[1], sizeof(filename));
    BLI_path_cwd(filename, sizeof(filename));

    bool ok;
    BPY_CTX_SETUP(ok = BPY_execute_filepath(C, filename, NULL));
    if (!ok && app_state.exit_code_on_error.python) {
      printf("\nError: script failed, file: '%s', exiting.\n", argv[1]);
      BPY_python_end();
      exit(app_state.exit_code_on_error.python);
    }
    return 1;
  }
  else {
    printf("\nError: you must specify a filepath after '%s'.\n", argv[0]);
    return 0;
  }
#  else
  UNUSED_VARS(argc, argv, data);
  printf("This Blender was built without Python support\n");
  return 0;
#  endif /* WITH_PYTHON */
}

static const char arg_handle_python_text_run_doc[] =
    "<name>\n"
    "\tRun the given Python script text block.";
static int arg_handle_python_text_run(int argc, const char **argv, void *data)
{
#  ifdef WITH_PYTHON
  bContext *C = data;

  /* workaround for scripts not getting a bpy.context.scene, causes internal errors elsewhere */
  if (argc > 1) {
    Main *bmain = CTX_data_main(C);
    /* Make the path absolute because its needed for relative linked blends to be found */
    struct Text *text = (struct Text *)BKE_libblock_find_name(bmain, ID_TXT, argv[1]);
    bool ok;

    if (text) {
      BPY_CTX_SETUP(ok = BPY_execute_text(C, text, NULL, false));
    }
    else {
      printf("\nError: text block not found %s.\n", argv[1]);
      ok = false;
    }

    if (!ok && app_state.exit_code_on_error.python) {
      printf("\nError: script failed, text: '%s', exiting.\n", argv[1]);
      BPY_python_end();
      exit(app_state.exit_code_on_error.python);
    }

    return 1;
  }
  else {
    printf("\nError: you must specify a text block after '%s'.\n", argv[0]);
    return 0;
  }
#  else
  UNUSED_VARS(argc, argv, data);
  printf("This Blender was built without Python support\n");
  return 0;
#  endif /* WITH_PYTHON */
}

static const char arg_handle_python_expr_run_doc[] =
    "<expression>\n"
    "\tRun the given expression as a Python script.";
static int arg_handle_python_expr_run(int argc, const char **argv, void *data)
{
#  ifdef WITH_PYTHON
  bContext *C = data;

  /* workaround for scripts not getting a bpy.context.scene, causes internal errors elsewhere */
  if (argc > 1) {
    bool ok;
    BPY_CTX_SETUP(ok = BPY_execute_string_ex(C, NULL, argv[1], false));
    if (!ok && app_state.exit_code_on_error.python) {
      printf("\nError: script failed, expr: '%s', exiting.\n", argv[1]);
      BPY_python_end();
      exit(app_state.exit_code_on_error.python);
    }
    return 1;
  }
  else {
    printf("\nError: you must specify a Python expression after '%s'.\n", argv[0]);
    return 0;
  }
#  else
  UNUSED_VARS(argc, argv, data);
  printf("This Blender was built without Python support\n");
  return 0;
#  endif /* WITH_PYTHON */
}

static const char arg_handle_python_console_run_doc[] =
    "\n\t"
    "Run Blender with an interactive console.";
static int arg_handle_python_console_run(int UNUSED(argc), const char **argv, void *data)
{
#  ifdef WITH_PYTHON
  bContext *C = data;

  BPY_CTX_SETUP(BPY_execute_string(C, (const char *[]){"code", NULL}, "code.interact()"));

  return 0;
#  else
  UNUSED_VARS(argv, data);
  printf("This Blender was built without python support\n");
  return 0;
#  endif /* WITH_PYTHON */
}

static const char arg_handle_python_exit_code_set_doc[] =
    "<code>\n"
    "\tSet the exit-code in [0..255] to exit if a Python exception is raised\n"
    "\t(only for scripts executed from the command line), zero disables.";
static int arg_handle_python_exit_code_set(int argc, const char **argv, void *UNUSED(data))
{
  const char *arg_id = "--python-exit-code";
  if (argc > 1) {
    const char *err_msg = NULL;
    const int min = 0, max = 255;
    int exit_code;
    if (!parse_int_strict_range(argv[1], NULL, min, max, &exit_code, &err_msg)) {
      printf("\nError: %s '%s %s', expected number in [%d..%d].\n",
             err_msg,
             arg_id,
             argv[1],
             min,
             max);
      return 1;
    }

    app_state.exit_code_on_error.python = (unsigned char)exit_code;
    return 1;
  }
  else {
    printf("\nError: you must specify an exit code number '%s'.\n", arg_id);
    return 0;
  }
}

static const char arg_handle_addons_set_doc[] =
    "<addon(s)>\n"
    "\tComma separated list of add-ons (no spaces).";
static int arg_handle_addons_set(int argc, const char **argv, void *data)
{
  /* workaround for scripts not getting a bpy.context.scene, causes internal errors elsewhere */
  if (argc > 1) {
#  ifdef WITH_PYTHON
    const char script_str[] =
        "from addon_utils import check, enable\n"
        "for m in '%s'.split(','):\n"
        "    if check(m)[1] is False:\n"
        "        enable(m, persistent=True)";
    const int slen = strlen(argv[1]) + (sizeof(script_str) - 2);
    char *str = malloc(slen);
    bContext *C = data;
    BLI_snprintf(str, slen, script_str, argv[1]);

    BLI_assert(strlen(str) + 1 == slen);
    BPY_CTX_SETUP(BPY_execute_string_ex(C, NULL, str, false));
    free(str);
#  else
    UNUSED_VARS(argv, data);
#  endif /* WITH_PYTHON */
    return 1;
  }
  else {
    printf("\nError: you must specify a comma separated list after '--addons'.\n");
    return 0;
  }
}

static int arg_handle_load_file(int UNUSED(argc), const char **argv, void *data)
{
  bContext *C = data;
  ReportList reports;
  bool success;

  /* Make the path absolute because its needed for relative linked blends to be found */
  char filename[FILE_MAX];

  /* note, we could skip these, but so far we always tried to load these files */
  if (argv[0][0] == '-') {
    fprintf(stderr, "unknown argument, loading as file: %s\n", argv[0]);
  }

  BLI_strncpy(filename, argv[0], sizeof(filename));
  BLI_path_cwd(filename, sizeof(filename));

  /* load the file */
  BKE_reports_init(&reports, RPT_PRINT);
  WM_file_autoexec_init(filename);
  success = WM_file_read(C, filename, &reports);
  BKE_reports_clear(&reports);

  if (success) {
    if (G.background) {
      /* ensuer we use 'C->data.scene' for background render */
      CTX_wm_window_set(C, NULL);
    }
  }
  else {
    /* failed to load file, stop processing arguments if running in background mode */
    if (G.background) {
      /* Set is_break if running in the background mode so
       * blender will return non-zero exit code which then
       * could be used in automated script to control how
       * good or bad things are.
       */
      G.is_break = true;
      return -1;
    }

    if (BLO_has_bfile_extension(filename)) {
      /* Just pretend a file was loaded, so the user can press Save and it'll
       * save at the filename from the CLI. */
      BLI_strncpy(G_MAIN->name, filename, FILE_MAX);
      G.relbase_valid = true;
      G.save_over = true;
      printf("... opened default scene instead; saving will write to: %s\n", filename);
    }
    else {
      printf(
          "Error: argument has no '.blend' file extension, not using as new file, exiting! %s\n",
          filename);
      G.is_break = true;
      WM_exit(C);
    }
  }

  G.file_loaded = 1;

  return 0;
}

void main_args_setup(bContext *C, bArgs *ba)
{

#  define CB(a) a##_doc, a
#  define CB_EX(a, b) a##_doc_##b, a

  // BLI_argsAdd(ba, pass, short_arg, long_arg, doc, cb, C);

  /* end argument processing after -- */
  BLI_argsAdd(ba, -1, "--", NULL, CB(arg_handle_arguments_end), NULL);

  /* first pass: background mode, disable python and commands that exit after usage */
  BLI_argsAdd(ba, 1, "-h", "--help", CB(arg_handle_print_help), ba);
  /* Windows only */
  BLI_argsAdd(ba, 1, "/?", NULL, CB_EX(arg_handle_print_help, win32), ba);

  BLI_argsAdd(ba, 1, "-v", "--version", CB(arg_handle_print_version), NULL);

  BLI_argsAdd(
      ba, 1, "-y", "--enable-autoexec", CB_EX(arg_handle_python_set, enable), (void *)true);
  BLI_argsAdd(
      ba, 1, "-Y", "--disable-autoexec", CB_EX(arg_handle_python_set, disable), (void *)false);

  BLI_argsAdd(ba, 1, NULL, "--disable-crash-handler", CB(arg_handle_crash_handler_disable), NULL);
  BLI_argsAdd(ba, 1, NULL, "--disable-abort-handler", CB(arg_handle_abort_handler_disable), NULL);

  BLI_argsAdd(ba, 1, "-b", "--background", CB(arg_handle_background_mode_set), NULL);

  BLI_argsAdd(ba, 1, "-a", NULL, CB(arg_handle_playback_mode), NULL);

  BLI_argsAdd(ba, 1, NULL, "--log", CB(arg_handle_log_set), ba);
  BLI_argsAdd(ba, 1, NULL, "--log-level", CB(arg_handle_log_level_set), ba);
  BLI_argsAdd(ba, 1, NULL, "--log-show-basename", CB(arg_handle_log_show_basename_set), ba);
  BLI_argsAdd(ba, 1, NULL, "--log-show-backtrace", CB(arg_handle_log_show_backtrace_set), ba);
  BLI_argsAdd(ba, 1, NULL, "--log-show-timestamp", CB(arg_handle_log_show_timestamp_set), ba);
  BLI_argsAdd(ba, 1, NULL, "--log-file", CB(arg_handle_log_file_set), ba);

  BLI_argsAdd(ba, 1, "-d", "--debug", CB(arg_handle_debug_mode_set), ba);

#  ifdef WITH_FFMPEG
  BLI_argsAdd(ba,
              1,
              NULL,
              "--debug-ffmpeg",
              CB_EX(arg_handle_debug_mode_generic_set, ffmpeg),
              (void *)G_DEBUG_FFMPEG);
#  endif

#  ifdef WITH_FREESTYLE
  BLI_argsAdd(ba,
              1,
              NULL,
              "--debug-freestyle",
              CB_EX(arg_handle_debug_mode_generic_set, freestyle),
              (void *)G_DEBUG_FREESTYLE);
#  endif

  BLI_argsAdd(ba,
              1,
              NULL,
              "--debug-python",
              CB_EX(arg_handle_debug_mode_generic_set, python),
              (void *)G_DEBUG_PYTHON);
  BLI_argsAdd(ba,
              1,
              NULL,
              "--debug-events",
              CB_EX(arg_handle_debug_mode_generic_set, events),
              (void *)G_DEBUG_EVENTS);
  BLI_argsAdd(ba,
              1,
              NULL,
              "--debug-handlers",
              CB_EX(arg_handle_debug_mode_generic_set, handlers),
              (void *)G_DEBUG_HANDLERS);
  BLI_argsAdd(
      ba, 1, NULL, "--debug-wm", CB_EX(arg_handle_debug_mode_generic_set, wm), (void *)G_DEBUG_WM);
  BLI_argsAdd(ba, 1, NULL, "--debug-all", CB(arg_handle_debug_mode_all), NULL);

  BLI_argsAdd(ba, 1, NULL, "--debug-io", CB(arg_handle_debug_mode_io), NULL);

  BLI_argsAdd(ba, 1, NULL, "--debug-fpe", CB(arg_handle_debug_fpe_set), NULL);

#  ifdef WITH_LIBMV
  BLI_argsAdd(ba, 1, NULL, "--debug-libmv", CB(arg_handle_debug_mode_libmv), NULL);
#  endif
#  ifdef WITH_CYCLES_LOGGING
  BLI_argsAdd(ba, 1, NULL, "--debug-cycles", CB(arg_handle_debug_mode_cycles), NULL);
#  endif
  BLI_argsAdd(ba, 1, NULL, "--debug-memory", CB(arg_handle_debug_mode_memory_set), NULL);

  BLI_argsAdd(ba, 1, NULL, "--debug-value", CB(arg_handle_debug_value_set), NULL);
  BLI_argsAdd(ba,
              1,
              NULL,
              "--debug-jobs",
              CB_EX(arg_handle_debug_mode_generic_set, jobs),
              (void *)G_DEBUG_JOBS);
  BLI_argsAdd(ba,
              1,
              NULL,
              "--debug-gpu",
              CB_EX(arg_handle_debug_mode_generic_set, gpu),
              (void *)G_DEBUG_GPU);
  BLI_argsAdd(ba,
              1,
              NULL,
              "--debug-depsgraph",
              CB_EX(arg_handle_debug_mode_generic_set, depsgraph),
              (void *)G_DEBUG_DEPSGRAPH);
  BLI_argsAdd(ba,
              1,
              NULL,
              "--debug-depsgraph-build",
              CB_EX(arg_handle_debug_mode_generic_set, depsgraph_build),
              (void *)G_DEBUG_DEPSGRAPH_BUILD);
  BLI_argsAdd(ba,
              1,
              NULL,
              "--debug-depsgraph-eval",
              CB_EX(arg_handle_debug_mode_generic_set, depsgraph_eval),
              (void *)G_DEBUG_DEPSGRAPH_EVAL);
  BLI_argsAdd(ba,
              1,
              NULL,
              "--debug-depsgraph-tag",
              CB_EX(arg_handle_debug_mode_generic_set, depsgraph_tag),
              (void *)G_DEBUG_DEPSGRAPH_TAG);
  BLI_argsAdd(ba,
              1,
              NULL,
              "--debug-depsgraph-time",
              CB_EX(arg_handle_debug_mode_generic_set, depsgraph_time),
              (void *)G_DEBUG_DEPSGRAPH_TIME);
  BLI_argsAdd(ba,
              1,
              NULL,
              "--debug-depsgraph-no-threads",
              CB_EX(arg_handle_debug_mode_generic_set, depsgraph_no_threads),
              (void *)G_DEBUG_DEPSGRAPH_NO_THREADS);
  BLI_argsAdd(ba,
              1,
              NULL,
              "--debug-depsgraph-pretty",
              CB_EX(arg_handle_debug_mode_generic_set, depsgraph_pretty),
              (void *)G_DEBUG_DEPSGRAPH_PRETTY);
  BLI_argsAdd(ba,
              1,
              NULL,
              "--debug-gpumem",
              CB_EX(arg_handle_debug_mode_generic_set, gpumem),
              (void *)G_DEBUG_GPU_MEM);
  BLI_argsAdd(ba,
              1,
              NULL,
              "--debug-gpu-shaders",
              CB_EX(arg_handle_debug_mode_generic_set, gpumem),
              (void *)G_DEBUG_GPU_SHADERS);
  BLI_argsAdd(ba,
              1,
              NULL,
              "--debug-gpu-force-workarounds",
              CB_EX(arg_handle_debug_mode_generic_set, gpumem),
              (void *)G_DEBUG_GPU_FORCE_WORKAROUNDS);

  BLI_argsAdd(ba, 1, NULL, "--verbose", CB(arg_handle_verbosity_set), NULL);

  BLI_argsAdd(ba, 1, NULL, "--app-template", CB(arg_handle_app_template), NULL);
  BLI_argsAdd(ba, 1, NULL, "--factory-startup", CB(arg_handle_factory_startup_set), NULL);
  BLI_argsAdd(
      ba, 1, NULL, "--enable-library-override", CB(arg_handle_enable_override_library), NULL);
  BLI_argsAdd(ba, 1, NULL, "--enable-event-simulate", CB(arg_handle_enable_event_simulate), NULL);

  /* TODO, add user env vars? */
  BLI_argsAdd(
      ba, 1, NULL, "--env-system-datafiles", CB_EX(arg_handle_env_system_set, datafiles), NULL);
  BLI_argsAdd(
      ba, 1, NULL, "--env-system-scripts", CB_EX(arg_handle_env_system_set, scripts), NULL);
  BLI_argsAdd(ba, 1, NULL, "--env-system-python", CB_EX(arg_handle_env_system_set, python), NULL);

  /* second pass: custom window stuff */
  BLI_argsAdd(ba, 2, "-p", "--window-geometry", CB(arg_handle_window_geometry), NULL);
  BLI_argsAdd(ba, 2, "-w", "--window-border", CB(arg_handle_with_borders), NULL);
  BLI_argsAdd(ba, 2, "-W", "--window-fullscreen", CB(arg_handle_without_borders), NULL);
  BLI_argsAdd(ba, 2, "-M", "--window-maximized", CB(arg_handle_window_maximized), NULL);
  BLI_argsAdd(ba, 2, NULL, "--no-window-focus", CB(arg_handle_no_window_focus), NULL);
  BLI_argsAdd(ba, 2, "-con", "--start-console", CB(arg_handle_start_with_console), NULL);
  BLI_argsAdd(ba, 2, "-R", NULL, CB(arg_handle_register_extension), NULL);
  BLI_argsAdd(ba, 2, "-r", NULL, CB_EX(arg_handle_register_extension, silent), ba);
  BLI_argsAdd(ba, 2, NULL, "--no-native-pixels", CB(arg_handle_native_pixels_set), ba);

  /* third pass: disabling things and forcing settings */
  BLI_argsAddCase(ba, 3, "-noaudio", 1, NULL, 0, CB(arg_handle_audio_disable), NULL);
  BLI_argsAddCase(ba, 3, "-setaudio", 1, NULL, 0, CB(arg_handle_audio_set), NULL);

  /* fourth pass: processing arguments */
  BLI_argsAdd(ba, 4, "-f", "--render-frame", CB(arg_handle_render_frame), C);
  BLI_argsAdd(ba, 4, "-a", "--render-anim", CB(arg_handle_render_animation), C);
  BLI_argsAdd(ba, 4, "-S", "--scene", CB(arg_handle_scene_set), C);
  BLI_argsAdd(ba, 4, "-s", "--frame-start", CB(arg_handle_frame_start_set), C);
  BLI_argsAdd(ba, 4, "-e", "--frame-end", CB(arg_handle_frame_end_set), C);
  BLI_argsAdd(ba, 4, "-j", "--frame-jump", CB(arg_handle_frame_skip_set), C);
  BLI_argsAdd(ba, 4, "-P", "--python", CB(arg_handle_python_file_run), C);
  BLI_argsAdd(ba, 4, NULL, "--python-text", CB(arg_handle_python_text_run), C);
  BLI_argsAdd(ba, 4, NULL, "--python-expr", CB(arg_handle_python_expr_run), C);
  BLI_argsAdd(ba, 4, NULL, "--python-console", CB(arg_handle_python_console_run), C);
  BLI_argsAdd(ba, 4, NULL, "--python-exit-code", CB(arg_handle_python_exit_code_set), NULL);
  BLI_argsAdd(ba, 4, NULL, "--addons", CB(arg_handle_addons_set), C);

  BLI_argsAdd(ba, 4, "-o", "--render-output", CB(arg_handle_output_set), C);
  BLI_argsAdd(ba, 4, "-E", "--engine", CB(arg_handle_engine_set), C);

  BLI_argsAdd(ba, 4, "-F", "--render-format", CB(arg_handle_image_type_set), C);
  BLI_argsAdd(ba, 1, "-t", "--threads", CB(arg_handle_threads_set), NULL);
  BLI_argsAdd(ba, 4, "-x", "--use-extension", CB(arg_handle_extension_set), C);

#  undef CB
#  undef CB_EX
}

/**
 * Needs to be added separately.
 */
void main_args_setup_post(bContext *C, bArgs *ba)
{
  BLI_argsParse(ba, 4, arg_handle_load_file, C);
}

/** \} */

#endif /* WITH_PYTHON_MODULE */