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bpo-36763: Add _PyCoreConfig.parse_argv (GH-13361)

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* _PyCoreConfig_Read() doesn't parse nor update argv
  if parse_argv is 0.
* Move path configuration fields in _PyCoreConfig.
* Add an unit test for parse_argv=0.
* Remove unused "done": label in _Py_RunMain().
This commit is contained in:
Victor Stinner 2019-05-16 17:02:56 +02:00 • committed by GitHub
parent 68b34a7204
commit ae239f6b06
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 109 additions and 36 deletions
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41
Python/coreconfig.c
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@ -628,6 +628,7 @@ _PyCoreConfig_Copy(_PyCoreConfig *config, const _PyCoreConfig *config2)
COPY_WSTR_ATTR(program_name);
COPY_WSTR_ATTR(program);
COPY_ATTR(parse_argv);
COPY_WSTRLIST(argv);
COPY_WSTRLIST(warnoptions);
COPY_WSTRLIST(xoptions);
@ -727,6 +728,7 @@ _PyCoreConfig_AsDict(const _PyCoreConfig *config)
SET_ITEM_WSTR(filesystem_errors);
SET_ITEM_WSTR(pycache_prefix);
SET_ITEM_WSTR(program_name);
SET_ITEM_INT(parse_argv);
SET_ITEM_WSTRLIST(argv);
SET_ITEM_WSTR(program);
SET_ITEM_WSTRLIST(xoptions);
@ -1490,6 +1492,8 @@ config_read(_PyCoreConfig *config, _PyPreCmdline *cmdline)
}
if (config->isolated > 0) {
/* _PyPreCmdline_Read() sets use_environment to 0 if isolated is set,
_PyPreCmdline_SetCoreConfig() overrides config->use_environment. */
config->user_site_directory = 0;
}
@ -1660,7 +1664,7 @@ config_usage(int error, const wchar_t* program)
/* Parse the command line arguments */
static _PyInitError
config_parse_cmdline(_PyCoreConfig *config, _PyPreCmdline *precmdline,
_PyWstrList *warnoptions)
_PyWstrList *warnoptions, int *opt_index)
{
_PyInitError err;
const _PyWstrList *argv = &precmdline->argv;
@ -1833,8 +1837,7 @@ config_parse_cmdline(_PyCoreConfig *config, _PyPreCmdline *precmdline,
_PyOS_optind--;
}
/* -c and -m options are exclusive */
assert(!(config->run_command != NULL && config->run_module != NULL));
*opt_index = _PyOS_optind;
return _Py_INIT_OK();
}
@ -1978,13 +1981,14 @@ config_init_warnoptions(_PyCoreConfig *config,
static _PyInitError
config_init_argv(_PyCoreConfig *config, const _PyPreCmdline *cmdline)
config_update_argv(_PyCoreConfig *config, const _PyPreCmdline *cmdline,
int opt_index)
{
const _PyWstrList *cmdline_argv = &cmdline->argv;
_PyWstrList config_argv = _PyWstrList_INIT;
/* Copy argv to be able to modify it (to force -c/-m) */
if (cmdline_argv->length <= _PyOS_optind) {
if (cmdline_argv->length <= opt_index) {
/* Ensure at least one (empty) argument is seen */
if (_PyWstrList_Append(&config_argv, L"") < 0) {
return _Py_INIT_NO_MEMORY();
@ -1992,8 +1996,8 @@ config_init_argv(_PyCoreConfig *config, const _PyPreCmdline *cmdline)
}
else {
_PyWstrList slice;
slice.length = cmdline_argv->length - _PyOS_optind;
slice.items = &cmdline_argv->items[_PyOS_optind];
slice.length = cmdline_argv->length - opt_index;
slice.items = &cmdline_argv->items[opt_index];
if (_PyWstrList_Copy(&config_argv, &slice) < 0) {
return _Py_INIT_NO_MEMORY();
}
@ -2058,14 +2062,22 @@ config_read_cmdline(_PyCoreConfig *config, _PyPreCmdline *precmdline)
_PyWstrList cmdline_warnoptions = _PyWstrList_INIT;
_PyWstrList env_warnoptions = _PyWstrList_INIT;
err = config_parse_cmdline(config, precmdline, &cmdline_warnoptions);
if (_Py_INIT_FAILED(err)) {
goto done;
if (config->parse_argv < 0) {
config->parse_argv = 1;
}
err = config_init_argv(config, precmdline);
if (_Py_INIT_FAILED(err)) {
goto done;
if (config->parse_argv) {
int opt_index;
err = config_parse_cmdline(config, precmdline, &cmdline_warnoptions,
&opt_index);
if (_Py_INIT_FAILED(err)) {
goto done;
}
err = config_update_argv(config, precmdline, opt_index);
if (_Py_INIT_FAILED(err)) {
goto done;
}
}
err = config_read(config, precmdline);
@ -2212,6 +2224,7 @@ _PyCoreConfig_Read(_PyCoreConfig *config)
assert(config->verbose >= 0);
assert(config->quiet >= 0);
assert(config->user_site_directory >= 0);
assert(config->parse_argv >= 0);
assert(config->buffered_stdio >= 0);
assert(config->program_name != NULL);
assert(config->program != NULL);
@ -2236,6 +2249,8 @@ _PyCoreConfig_Read(_PyCoreConfig *config)
#ifdef MS_WINDOWS
assert(config->legacy_windows_stdio >= 0);
#endif
/* -c and -m options are exclusive */
assert(!(config->run_command != NULL && config->run_module != NULL));
assert(config->check_hash_pycs_mode != NULL);
assert(config->_install_importlib >= 0);
assert(config->_frozen >= 0);