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py: Make bytes objs work with more str methods; add tests.

This commit is contained in:
Damien George 2014-12-24 20:28:30 +00:00
parent 7fdb8d78a4
commit c55a4d82cf
7 changed files with 183 additions and 18 deletions
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44
py/objstr.c
View File

@ -46,7 +46,6 @@ STATIC mp_obj_t str_modulo_format(mp_obj_t pattern, mp_uint_t n_args, const mp_o
mp_obj_t mp_obj_new_str_iterator(mp_obj_t str);
STATIC mp_obj_t mp_obj_new_bytes_iterator(mp_obj_t str);
STATIC NORETURN void bad_implicit_conversion(mp_obj_t self_in);
STATIC NORETURN void arg_type_mixup(void);
/******************************************************************************/
/* str */
@ -525,7 +524,7 @@ STATIC mp_obj_t str_split(mp_uint_t n_args, const mp_obj_t *args) {
} else {
// sep given
if (mp_obj_get_type(sep) != self_type) {
arg_type_mixup();
bad_implicit_conversion(sep);
}
mp_uint_t sep_len;
@ -627,7 +626,7 @@ STATIC mp_obj_t str_finder(mp_uint_t n_args, const mp_obj_t *args, mp_int_t dire
assert(MP_OBJ_IS_STR_OR_BYTES(args[0]));
// check argument type
if (!MP_OBJ_IS_STR(args[1])) {
if (mp_obj_get_type(args[1]) != self_type) {
bad_implicit_conversion(args[1]);
}
@ -720,7 +719,7 @@ STATIC mp_obj_t str_uni_strip(int type, mp_uint_t n_args, const mp_obj_t *args)
chars_to_del_len = sizeof(whitespace);
} else {
if (mp_obj_get_type(args[1]) != self_type) {
arg_type_mixup();
bad_implicit_conversion(args[1]);
}
GET_STR_DATA_LEN(args[1], s, l);
chars_to_del = s;
@ -759,7 +758,11 @@ STATIC mp_obj_t str_uni_strip(int type, mp_uint_t n_args, const mp_obj_t *args)
if (!first_good_char_pos_set) {
// string is all whitespace, return ''
return MP_OBJ_NEW_QSTR(MP_QSTR_);
if (self_type == &mp_type_str) {
return MP_OBJ_NEW_QSTR(MP_QSTR_);
} else {
return mp_const_empty_bytes;
}
}
assert(last_good_char_pos >= first_good_char_pos);
@ -1470,11 +1473,13 @@ STATIC mp_obj_t str_replace(mp_uint_t n_args, const mp_obj_t *args) {
// check argument types
if (!MP_OBJ_IS_STR(args[1])) {
const mp_obj_type_t *self_type = mp_obj_get_type(args[0]);
if (mp_obj_get_type(args[1]) != self_type) {
bad_implicit_conversion(args[1]);
}
if (!MP_OBJ_IS_STR(args[2])) {
if (mp_obj_get_type(args[2]) != self_type) {
bad_implicit_conversion(args[2]);
}
@ -1543,7 +1548,7 @@ STATIC mp_obj_t str_replace(mp_uint_t n_args, const mp_obj_t *args) {
return args[0];
} else {
// substr found, allocate new string
replaced_str = mp_obj_str_builder_start(mp_obj_get_type(args[0]), replaced_str_index, &data);
replaced_str = mp_obj_str_builder_start(self_type, replaced_str_index, &data);
assert(data != NULL);
}
} else {
@ -1561,7 +1566,7 @@ STATIC mp_obj_t str_count(mp_uint_t n_args, const mp_obj_t *args) {
assert(MP_OBJ_IS_STR_OR_BYTES(args[0]));
// check argument type
if (!MP_OBJ_IS_STR(args[1])) {
if (mp_obj_get_type(args[1]) != self_type) {
bad_implicit_conversion(args[1]);
}
@ -1597,12 +1602,10 @@ STATIC mp_obj_t str_count(mp_uint_t n_args, const mp_obj_t *args) {
}
STATIC mp_obj_t str_partitioner(mp_obj_t self_in, mp_obj_t arg, mp_int_t direction) {
if (!MP_OBJ_IS_STR_OR_BYTES(self_in)) {
assert(0);
}
assert(MP_OBJ_IS_STR_OR_BYTES(self_in));
mp_obj_type_t *self_type = mp_obj_get_type(self_in);
if (self_type != mp_obj_get_type(arg)) {
arg_type_mixup();
bad_implicit_conversion(arg);
}
GET_STR_DATA_LEN(self_in, str, str_len);
@ -1612,7 +1615,16 @@ STATIC mp_obj_t str_partitioner(mp_obj_t self_in, mp_obj_t arg, mp_int_t directi
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "empty separator"));
}
mp_obj_t result[] = {MP_OBJ_NEW_QSTR(MP_QSTR_), MP_OBJ_NEW_QSTR(MP_QSTR_), MP_OBJ_NEW_QSTR(MP_QSTR_)};
mp_obj_t result[3];
if (self_type == &mp_type_str) {
result[0] = MP_OBJ_NEW_QSTR(MP_QSTR_);
result[1] = MP_OBJ_NEW_QSTR(MP_QSTR_);
result[2] = MP_OBJ_NEW_QSTR(MP_QSTR_);
} else {
result[0] = mp_const_empty_bytes;
result[1] = mp_const_empty_bytes;
result[2] = mp_const_empty_bytes;
}
if (direction > 0) {
result[0] = self_in;
@ -1953,10 +1965,6 @@ STATIC void bad_implicit_conversion(mp_obj_t self_in) {
}
}
STATIC void arg_type_mixup(void) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "Can't mix str and bytes arguments"));
}
mp_uint_t mp_obj_str_get_hash(mp_obj_t self_in) {
// TODO: This has too big overhead for hash accessor
if (MP_OBJ_IS_STR_OR_BYTES(self_in)) {

48
tests/basics/bytes_count.py Normal file
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@ -0,0 +1,48 @@
print(b"".count(b""))
print(b"".count(b"a"))
print(b"a".count(b""))
print(b"a".count(b"a"))
print(b"a".count(b"b"))
print(b"b".count(b"a"))
print(b"aaa".count(b""))
print(b"aaa".count(b"a"))
print(b"aaa".count(b"aa"))
print(b"aaa".count(b"aaa"))
print(b"aaa".count(b"aaaa"))
print(b"aaaa".count(b""))
print(b"aaaa".count(b"a"))
print(b"aaaa".count(b"aa"))
print(b"aaaa".count(b"aaa"))
print(b"aaaa".count(b"aaaa"))
print(b"aaaa".count(b"aaaaa"))
print(b"aaa".count(b"", 1))
print(b"aaa".count(b"", 2))
print(b"aaa".count(b"", 3))
print(b"aaa".count(b"", 1, 2))
print(b"asdfasdfaaa".count(b"asdf", -100))
print(b"asdfasdfaaa".count(b"asdf", -8))
print(b"asdf".count(b's', True))
print(b"asdf".count(b'a', True))
print(b"asdf".count(b'a', False))
print(b"asdf".count(b'a', 1 == 2))
print(b"hello world".count(b'l'))
print(b"hello world".count(b'l', 5))
print(b"hello world".count(b'l', 3))
print(b"hello world".count(b'z', 3, 6))
print(b"aaaa".count(b'a'))
print(b"aaaa".count(b'a', 0, 3))
print(b"aaaa".count(b'a', 0, 4))
print(b"aaaa".count(b'a', 0, 5))
print(b"aaaa".count(b'a', 1, 5))
print(b"aaaa".count(b'a', -1, 5))
print(b"abbabba".count(b"abba"))
def t():
return True
print(b"0000".count(b'0', t()))

23
tests/basics/bytes_find.py Normal file
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@ -0,0 +1,23 @@
print(b"hello world".find(b"ll"))
print(b"hello world".find(b"ll", None))
print(b"hello world".find(b"ll", 1))
print(b"hello world".find(b"ll", 1, None))
print(b"hello world".find(b"ll", None, None))
print(b"hello world".find(b"ll", 1, -1))
print(b"hello world".find(b"ll", 1, 1))
print(b"hello world".find(b"ll", 1, 2))
print(b"hello world".find(b"ll", 1, 3))
print(b"hello world".find(b"ll", 1, 4))
print(b"hello world".find(b"ll", 1, 5))
print(b"hello world".find(b"ll", -100))
print(b"0000".find(b'0'))
print(b"0000".find(b'0', 0))
print(b"0000".find(b'0', 1))
print(b"0000".find(b'0', 2))
print(b"0000".find(b'0', 3))
print(b"0000".find(b'0', 4))
print(b"0000".find(b'0', 5))
print(b"0000".find(b'-1', 3))
print(b"0000".find(b'1', 3))
print(b"0000".find(b'1', 4))
print(b"0000".find(b'1', 5))

29
tests/basics/bytes_partition.py Normal file
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@ -0,0 +1,29 @@
print(b"asdf".partition(b'g'))
print(b"asdf".partition(b'a'))
print(b"asdf".partition(b's'))
print(b"asdf".partition(b'f'))
print(b"asdf".partition(b'd'))
print(b"asdf".partition(b'asd'))
print(b"asdf".partition(b'sdf'))
print(b"asdf".partition(b'as'))
print(b"asdf".partition(b'df'))
print(b"asdf".partition(b'asdf'))
print(b"asdf".partition(b'asdfa'))
print(b"asdf".partition(b'fasdf'))
print(b"asdf".partition(b'fasdfa'))
print(b"abba".partition(b'a'))
print(b"abba".partition(b'b'))
try:
print(b"asdf".partition(1))
except TypeError:
print("Raised TypeError")
else:
print("Did not raise TypeError")
try:
print(b"asdf".partition(b''))
except ValueError:
print("Raised ValueError")
else:
print("Did not raise ValueError")

13
tests/basics/bytes_replace.py Normal file
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@ -0,0 +1,13 @@
print(b"".replace(b"a", b"b"))
print(b"aaa".replace(b"a", b"b", 0))
print(b"aaa".replace(b"a", b"b", -5))
print(b"asdfasdf".replace(b"a", b"b"))
print(b"aabbaabbaabbaa".replace(b"aa", b"cc", 3))
print(b"a".replace(b"aa", b"bb"))
print(b"testingtesting".replace(b"ing", b""))
print(b"testINGtesting".replace(b"ing", b"ING!"))
print(b"".replace(b"", b"1"))
print(b"A".replace(b"", b"1"))
print(b"AB".replace(b"", b"1"))
print(b"AB".replace(b"", b"12"))

28
tests/basics/bytes_split.py Normal file
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@ -0,0 +1,28 @@
# default separator (whitespace)
print(b"a b".split())
print(b" a b ".split(None))
print(b" a b ".split(None, 1))
print(b" a b ".split(None, 2))
print(b" a b c ".split(None, 1))
print(b" a b c ".split(None, 0))
print(b" a b c ".split(None, -1))
# empty separator should fail
try:
b"abc".split(b'')
except ValueError:
print("ValueError")
# non-empty separator
print(b"abc".split(b"a"))
print(b"abc".split(b"b"))
print(b"abc".split(b"c"))
print(b"abc".split(b"z"))
print(b"abc".split(b"ab"))
print(b"abc".split(b"bc"))
print(b"abc".split(b"abc"))
print(b"abc".split(b"abcd"))
print(b"abcabc".split(b"bc"))
print(b"abcabc".split(b"bc", 0))
print(b"abcabc".split(b"bc", 1))
print(b"abcabc".split(b"bc", 2))

16
tests/basics/bytes_strip.py Normal file
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@ -0,0 +1,16 @@
print(b"".strip())
print(b" \t\n\r\v\f".strip())
print(b" T E S T".strip())
print(b"abcabc".strip(b"ce"))
print(b"aaa".strip(b"b"))
print(b"abc efg ".strip(b"g a"))
print(b' spacious '.lstrip())
print(b'www.example.com'.lstrip(b'cmowz.'))
print(b' spacious '.rstrip())
print(b'mississippi'.rstrip(b'ipz'))
# Test that stripping unstrippable string returns original object
s = b"abc"
print(id(s.strip()) == id(s))