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py/runtime: Allow initialising sys.path/argv with defaults.

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If MICROPY_PY_SYS_PATH_ARGV_DEFAULTS is enabled (which it is by default)
then sys.path and sys.argv will be initialised and populated with default
values.  This keeps all bare-metal ports aligned.

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
2021-12-17 23:35:32 +11:00
parent 86394f70fc
commit de43b500bd
18 changed files with 18 additions and 59 deletions
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9
py/runtime.c
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@@ -122,6 +122,15 @@ void mp_init(void) {
MP_STATE_VM(vfs_mount_table) = NULL;
#endif
#if MICROPY_PY_SYS_PATH_ARGV_DEFAULTS
mp_obj_list_init(MP_OBJ_TO_PTR(mp_sys_path), 0);
#if MICROPY_MODULE_FROZEN
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__dot_frozen));
#endif
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_)); // current dir (or base dir of the script)
mp_obj_list_init(MP_OBJ_TO_PTR(mp_sys_argv), 0);
#endif
#if MICROPY_PY_SYS_ATEXIT
MP_STATE_VM(sys_exitfunc) = mp_const_none;
#endif