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py: Fix builtin ord so that it can handle bytes values >= 0x80. 

Addresses issue #1188.
This commit is contained in:
Damien George 2015-04-19 12:26:46 +01:00
parent 404b68da88
commit d8cbbcaa9d
2 changed files with 25 additions and 5 deletions
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17
py/modbuiltins.c
View File

@ -351,9 +351,12 @@ STATIC mp_obj_t mp_builtin_ord(mp_obj_t o_in) {
mp_uint_t len;
const char *str = mp_obj_str_get_data(o_in, &len);
#if MICROPY_PY_BUILTINS_STR_UNICODE
len = unichar_charlen(str, len);
if (len == 1) {
if (MP_OBJ_IS_STR(o_in) && UTF8_IS_NONASCII(*str)) {
if (MP_OBJ_IS_STR(o_in)) {
len = unichar_charlen(str, len);
if (len == 1) {
if (!UTF8_IS_NONASCII(*str)) {
goto return_first_byte;
}
mp_int_t ord = *str++ & 0x7F;
for (mp_int_t mask = 0x40; ord & mask; mask >>= 1) {
ord &= ~mask;
@ -362,8 +365,12 @@ STATIC mp_obj_t mp_builtin_ord(mp_obj_t o_in) {
ord = (ord << 6) | (*str++ & 0x3F);
}
return mp_obj_new_int(ord);
} else {
return mp_obj_new_int(((const byte*)str)[0]);
}
} else {
// a bytes object
if (len == 1) {
return_first_byte:
return MP_OBJ_NEW_SMALL_INT(((const byte*)str)[0]);
}
}
#else

13
tests/basics/builtin_ord.py
View File

@ -7,3 +7,16 @@ try:
except TypeError:
print("TypeError")
# bytes also work in ord
print(ord(b'a'))
print(ord(b'\x00'))
print(ord(b'\x01'))
print(ord(b'\x7f'))
print(ord(b'\x80'))
print(ord(b'\xff'))
try:
ord(b'')
except TypeError:
print("TypeError")