STATIC mp_obj_t webrepl_close(mp_obj_t self_in) {
mp_obj_webrepl_t *self = MP_OBJ_TO_PTR(self_in);
// TODO: This is a place to do cleanup
return mp_stream_close(self->sock);
}
STATIC mp_obj_t stringio_getvalue(mp_obj_t self_in) {
mp_obj_stringio_t *self = MP_OBJ_TO_PTR(self_in);
check_stringio_is_open(self);
// TODO: Try to avoid copying string
return mp_obj_new_str_of_type(STREAM_TO_CONTENT_TYPE(self), (byte*)self->vstr->buf, self->vstr->len);
}
mp_obj_t mp_builtin___import__(size_t n_args, const mp_obj_t *args) {
#if DEBUG_PRINT
DEBUG_printf("__import__:\n");
for (mp_uint_t i = 0; i < n_args; i++) {
DEBUG_printf(" ");
mp_obj_print(args[i], PRINT_REPR);
DEBUG_printf("\n");
}
#endif
mp_obj_t module_name = args[0];
mp_obj_t fromtuple = mp_const_none;
mp_int_t level = 0;
if (n_args >= 4) {
fromtuple = args[3];
if (n_args >= 5) {
level = MP_OBJ_SMALL_INT_VALUE(args[4]);
}
}
size_t mod_len;
const char *mod_str = mp_obj_str_get_data(module_name, &mod_len);
if (level != 0) {
// What we want to do here is to take name of current module,
// chop <level> trailing components, and concatenate with passed-in
// module name, thus resolving relative import name into absolute.
// This even appears to be correct per
// http://legacy.python.org/dev/peps/pep-0328/#relative-imports-and-name
// "Relative imports use a module's __name__ attribute to determine that
// module's position in the package hierarchy."
level--;
mp_obj_t this_name_q = mp_obj_dict_get(MP_OBJ_FROM_PTR(mp_globals_get()), MP_OBJ_NEW_QSTR(MP_QSTR___name__));
assert(this_name_q != MP_OBJ_NULL);
#if MICROPY_CPYTHON_COMPAT
if (MP_OBJ_QSTR_VALUE(this_name_q) == MP_QSTR___main__) {
// This is a module run by -m command-line switch, get its real name from backup attribute
this_name_q = mp_obj_dict_get(MP_OBJ_FROM_PTR(mp_globals_get()), MP_OBJ_NEW_QSTR(MP_QSTR___main__));
}
#endif
mp_map_t *globals_map = &mp_globals_get()->map;
mp_map_elem_t *elem = mp_map_lookup(globals_map, MP_OBJ_NEW_QSTR(MP_QSTR___path__), MP_MAP_LOOKUP);
bool is_pkg = (elem != NULL);
#if DEBUG_PRINT
DEBUG_printf("Current module/package: ");
mp_obj_print(this_name_q, PRINT_REPR);
DEBUG_printf(", is_package: %d", is_pkg);
DEBUG_printf("\n");
#endif
size_t this_name_l;
const char *this_name = mp_obj_str_get_data(this_name_q, &this_name_l);
const char *p = this_name + this_name_l;
if (!is_pkg) {
// We have module, but relative imports are anchored at package, so
// go there.
chop_component(this_name, &p);
}
uint dots_seen = 0;
while (level--) {
chop_component(this_name, &p);
dots_seen++;
}
if (dots_seen == 0 && level >= 1) {
// http://legacy.python.org/dev/peps/pep-0328/#relative-imports-and-name
// "If the module's name does not contain any package information
// (e.g. it is set to '__main__') then relative imports are
// resolved as if the module were a top level module, regardless
// of where the module is actually located on the file system."
// Supposedly this if catches this condition and resolve it properly
// TODO: But nobody knows for sure. This condition happens when
// package's __init__.py does something like "import .submod". So,
// maybe we should check for package here? But quote above doesn't
// talk about packages, it talks about dot-less module names.
DEBUG_printf("Warning: no dots in current module name and level>0\n");
p = this_name + this_name_l;
} else if (level != -1) {
mp_raise_msg(&mp_type_ImportError, "invalid relative import");
}
uint new_mod_l = (mod_len == 0 ? (size_t)(p - this_name) : (size_t)(p - this_name) + 1 + mod_len);
char *new_mod = alloca(new_mod_l);
memcpy(new_mod, this_name, p - this_name);
if (mod_len != 0) {
new_mod[p - this_name] = '.';
memcpy(new_mod + (p - this_name) + 1, mod_str, mod_len);
}
qstr new_mod_q = qstr_from_strn(new_mod, new_mod_l);
DEBUG_printf("Resolved base name for relative import: '%s'\n", qstr_str(new_mod_q));
if (new_mod_q == MP_QSTR_) {
mp_raise_ValueError("cannot perform relative import");
}
module_name = MP_OBJ_NEW_QSTR(new_mod_q);
mod_str = new_mod;
mod_len = new_mod_l;
}
// check if module already exists
qstr module_name_qstr = mp_obj_str_get_qstr(module_name);
mp_obj_t module_obj = mp_module_get(module_name_qstr);
if (module_obj != MP_OBJ_NULL) {
DEBUG_printf("Module already loaded\n");
// If it's not a package, return module right away
char *p = strchr(mod_str, '.');
if (p == NULL) {
return module_obj;
}
// If fromlist is not empty, return leaf module
if (fromtuple != mp_const_none) {
return module_obj;
}
// Otherwise, we need to return top-level package
qstr pkg_name = qstr_from_strn(mod_str, p - mod_str);
return mp_module_get(pkg_name);
}
DEBUG_printf("Module not yet loaded\n");
uint last = 0;
VSTR_FIXED(path, MICROPY_ALLOC_PATH_MAX)
module_obj = MP_OBJ_NULL;
mp_obj_t top_module_obj = MP_OBJ_NULL;
mp_obj_t outer_module_obj = MP_OBJ_NULL;
uint i;
for (i = 1; i <= mod_len; i++) {
if (i == mod_len || mod_str[i] == '.') {
// create a qstr for the module name up to this depth
qstr mod_name = qstr_from_strn(mod_str, i);
DEBUG_printf("Processing module: %s\n", qstr_str(mod_name));
DEBUG_printf("Previous path: =%.*s=\n", vstr_len(&path), vstr_str(&path));
// find the file corresponding to the module name
mp_import_stat_t stat;
if (vstr_len(&path) == 0) {
// first module in the dotted-name; search for a directory or file
stat = find_file(mod_str, i, &path);
} else {
// latter module in the dotted-name; append to path
vstr_add_char(&path, PATH_SEP_CHAR);
vstr_add_strn(&path, mod_str + last, i - last);
stat = stat_dir_or_file(&path);
}
DEBUG_printf("Current path: %.*s\n", vstr_len(&path), vstr_str(&path));
if (stat == MP_IMPORT_STAT_NO_EXIST) {
#if MICROPY_MODULE_WEAK_LINKS
// check if there is a weak link to this module
if (i == mod_len) {
mp_map_elem_t *el = mp_map_lookup((mp_map_t*)&mp_builtin_module_weak_links_map, MP_OBJ_NEW_QSTR(mod_name), MP_MAP_LOOKUP);
if (el == NULL) {
goto no_exist;
}
// found weak linked module
module_obj = el->value;
} else {
no_exist:
#else
{
#endif
// couldn't find the file, so fail
if (MICROPY_ERROR_REPORTING == MICROPY_ERROR_REPORTING_TERSE) {
mp_raise_msg(&mp_type_ImportError, "module not found");
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ImportError,
"no module named '%q'", mod_name));
}
}
} else {
// found the file, so get the module
module_obj = mp_module_get(mod_name);
}
if (module_obj == MP_OBJ_NULL) {
// module not already loaded, so load it!
module_obj = mp_obj_new_module(mod_name);
// if args[3] (fromtuple) has magic value False, set up
// this module for command-line "-m" option (set module's
// name to __main__ instead of real name). Do this only
// for *modules* however - packages never have their names
// replaced, instead they're -m'ed using a special __main__
// submodule in them. (This all apparently is done to not
// touch package name itself, which is important for future
// imports).
if (i == mod_len && fromtuple == mp_const_false && stat != MP_IMPORT_STAT_DIR) {
mp_obj_module_t *o = MP_OBJ_TO_PTR(module_obj);
mp_obj_dict_store(MP_OBJ_FROM_PTR(o->globals), MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR___main__));
#if MICROPY_CPYTHON_COMPAT
// Store module as "__main__" in the dictionary of loaded modules (returned by sys.modules).
mp_obj_dict_store(MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_loaded_modules_dict)), MP_OBJ_NEW_QSTR(MP_QSTR___main__), module_obj);
// Store real name in "__main__" attribute. Chosen semi-randonly, to reuse existing qstr's.
mp_obj_dict_store(MP_OBJ_FROM_PTR(o->globals), MP_OBJ_NEW_QSTR(MP_QSTR___main__), MP_OBJ_NEW_QSTR(mod_name));
#endif
}
if (stat == MP_IMPORT_STAT_DIR) {
DEBUG_printf("%.*s is dir\n", vstr_len(&path), vstr_str(&path));
// https://docs.python.org/3/reference/import.html
// "Specifically, any module that contains a __path__ attribute is considered a package."
mp_store_attr(module_obj, MP_QSTR___path__, mp_obj_new_str(vstr_str(&path), vstr_len(&path), false));
size_t orig_path_len = path.len;
vstr_add_char(&path, PATH_SEP_CHAR);
vstr_add_str(&path, "__init__.py");
if (stat_file_py_or_mpy(&path) != MP_IMPORT_STAT_FILE) {
//mp_warning("%s is imported as namespace package", vstr_str(&path));
} else {
do_load(module_obj, &path);
}
path.len = orig_path_len;
} else { // MP_IMPORT_STAT_FILE
do_load(module_obj, &path);
// This should be the last component in the import path. If there are
// remaining components then it's an ImportError because the current path
// (the module that was just loaded) is not a package. This will be caught
// on the next iteration because the file will not exist.
}
}
if (outer_module_obj != MP_OBJ_NULL) {
qstr s = qstr_from_strn(mod_str + last, i - last);
mp_store_attr(outer_module_obj, s, module_obj);
}
outer_module_obj = module_obj;
if (top_module_obj == MP_OBJ_NULL) {
top_module_obj = module_obj;
}
last = i + 1;
}
}
mp_obj_dict_t *mp_obj_module_get_globals(mp_obj_t self_in) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_module));
mp_obj_module_t *self = MP_OBJ_TO_PTR(self_in);
return self->globals;
}
STATIC void stringio_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
(void)kind;
mp_obj_stringio_t *self = MP_OBJ_TO_PTR(self_in);
mp_printf(print, self->base.type == &mp_type_stringio ? "<io.StringIO 0x%x>" : "<io.BytesIO 0x%x>", self);
}
STATIC void file_obj_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
(void)kind;
mp_printf(print, "<io.%s %p>", mp_obj_get_type_str(self_in), MP_OBJ_TO_PTR(self_in));
}
STATIC void require_if(mp_obj_t wlan_if, int if_no) {
wlan_if_obj_t *self = MP_OBJ_TO_PTR(wlan_if);
if (self->if_id != if_no) {
mp_raise_msg(&mp_type_OSError, if_no == WIFI_IF_STA ? "STA required" : "AP required");
}
}
STATIC void fdfile_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
(void)kind;
mp_obj_fdfile_t *self = MP_OBJ_TO_PTR(self_in);
mp_printf(print, "<io.%s %d>", mp_obj_get_type_str(self_in), self->fd);
}
STATIC mp_obj_t bool_binary_op(mp_uint_t op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
mp_obj_bool_t *self = MP_OBJ_TO_PTR(lhs_in);
return mp_binary_op(op, MP_OBJ_NEW_SMALL_INT(self->value), rhs_in);
}
STATIC mp_obj_t fdfile_fileno(mp_obj_t self_in) {
mp_obj_fdfile_t *self = MP_OBJ_TO_PTR(self_in);
check_fd_is_open(self);
return MP_OBJ_NEW_SMALL_INT(self->fd);
}
void mp_obj_tuple_del(mp_obj_t self_in) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_tuple));
mp_obj_tuple_t *self = MP_OBJ_TO_PTR(self_in);
m_del_var(mp_obj_tuple_t, mp_obj_t, self->len, self);
}
void mp_obj_tuple_get(mp_obj_t self_in, size_t *len, mp_obj_t **items) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_tuple));
mp_obj_tuple_t *self = MP_OBJ_TO_PTR(self_in);
*len = self->len;
*items = &self->items[0];
}
STATIC mp_obj_t tuple_index(size_t n_args, const mp_obj_t *args) {
mp_check_self(MP_OBJ_IS_TYPE(args[0], &mp_type_tuple));
mp_obj_tuple_t *self = MP_OBJ_TO_PTR(args[0]);
return mp_seq_index_obj(self->items, self->len, n_args, args);
}
STATIC mp_obj_t tuple_count(mp_obj_t self_in, mp_obj_t value) {
mp_check_self(MP_OBJ_IS_TYPE(self_in, &mp_type_tuple));
mp_obj_tuple_t *self = MP_OBJ_TO_PTR(self_in);
return mp_seq_count_obj(self->items, self->len, value);
}
