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objstr: Add str.encode() and bytes.decode() methods. 

These largely duplicate str() & bytes() constructors' functionality,
but can be used to achieve Python2 compatibility.
This commit is contained in:
Paul Sokolovsky 2014-04-13 05:28:46 +03:00
parent fe6ded4d17
commit 73b7027b83
3 changed files with 43 additions and 0 deletions
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1
py/makeqstrdata.py
View File

@ -10,6 +10,7 @@ if platform.python_version_tuple()[0] == '2':
from htmlentitydefs import codepoint2name
elif platform.python_version_tuple()[0] == '3':
from html.entities import codepoint2name
codepoint2name[ord('-')] = 'hyphen';
# add some custom names to map characters that aren't in HTML
codepoint2name[ord('.')] = 'dot'

36
py/objstr.c
View File

@ -1298,6 +1298,34 @@ STATIC mp_obj_t str_rpartition(mp_obj_t self_in, mp_obj_t arg) {
return str_partitioner(self_in, arg, -1);
}
#if MICROPY_CPYTHON_COMPAT
// These methods are superfluous in the presense of str() and bytes()
// constructors.
// TODO: should accept kwargs too
STATIC mp_obj_t bytes_decode(uint n_args, const mp_obj_t *args) {
mp_obj_t new_args[2];
if (n_args == 1) {
new_args[0] = args[0];
new_args[1] = MP_OBJ_NEW_QSTR(MP_QSTR_utf_hyphen_8);
args = new_args;
n_args++;
}
return str_make_new(NULL, n_args, 0, args);
}
// TODO: should accept kwargs too
STATIC mp_obj_t str_encode(uint n_args, const mp_obj_t *args) {
mp_obj_t new_args[2];
if (n_args == 1) {
new_args[0] = args[0];
new_args[1] = MP_OBJ_NEW_QSTR(MP_QSTR_utf_hyphen_8);
args = new_args;
n_args++;
}
return bytes_make_new(NULL, n_args, 0, args);
}
#endif
STATIC machine_int_t str_get_buffer(mp_obj_t self_in, buffer_info_t *bufinfo, int flags) {
if (flags == BUFFER_READ) {
GET_STR_DATA_LEN(self_in, str_data, str_len);
@ -1312,6 +1340,10 @@ STATIC machine_int_t str_get_buffer(mp_obj_t self_in, buffer_info_t *bufinfo, in
}
}
#if MICROPY_CPYTHON_COMPAT
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(bytes_decode_obj, 1, 3, bytes_decode);
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(str_encode_obj, 1, 3, str_encode);
#endif
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(str_find_obj, 2, 4, str_find);
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(str_rfind_obj, 2, 4, str_rfind);
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(str_index_obj, 2, 4, str_index);
@ -1327,6 +1359,10 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_2(str_partition_obj, str_partition);
STATIC MP_DEFINE_CONST_FUN_OBJ_2(str_rpartition_obj, str_rpartition);
STATIC const mp_map_elem_t str_locals_dict_table[] = {
#if MICROPY_CPYTHON_COMPAT
{ MP_OBJ_NEW_QSTR(MP_QSTR_decode), (mp_obj_t)&bytes_decode_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_encode), (mp_obj_t)&str_encode_obj },
#endif
{ MP_OBJ_NEW_QSTR(MP_QSTR_find), (mp_obj_t)&str_find_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_rfind), (mp_obj_t)&str_rfind_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_index), (mp_obj_t)&str_index_obj },

6
py/qstrdefs.h
View File

@ -263,3 +263,9 @@ Q(<setcomp>)
Q(<genexpr>)
Q(<string>)
Q(<stdin>)
#if MICROPY_CPYTHON_COMPAT
Q(encode)
Q(decode)
Q(utf-8)
#endif