rustpython 0.1.0

A python interpreter written in rust.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265

from testutils import assert_raises

assert "a" == 'a'
assert """a""" == "a"
assert len(""" " "" " "" """) == 11
assert "\"" == '"'
assert "\"" == """\""""

assert "\n" == """
"""

assert len(""" " \" """) == 5
assert len("รฉ") == 1
assert len("eฬ") == 2
assert len("ใ‚") == 1

assert type("") is str
assert type(b"") is bytes

assert str(1) == "1"
assert str(2.1) == "2.1"
assert str() == ""
assert str("abc") == "abc"

assert repr("a") == "'a'"
assert repr("can't") == '"can\'t"'
assert repr('"won\'t"') == "'\"won\\'t\"'"
assert repr('\n\t') == "'\\n\\t'"

assert str(["a", "b", "can't"]) == "['a', 'b', \"can't\"]"

assert "xy" * 3 == "xyxyxy"
assert "x" * 0 == ""
assert "x" * -1 == ""

assert 3 * "xy" == "xyxyxy"
assert 0 * "x" == ""
assert -1 * "x" == ""

assert_raises(OverflowError, lambda: 'xy' * 234234234234234234234234234234)

a = 'Hallo'
assert a.lower() == 'hallo'
assert a.upper() == 'HALLO'
assert a.startswith('H')
assert a.startswith(('H', 1))
assert a.startswith(('A', 'H'))
assert not a.startswith('f')
assert not a.startswith(('A', 'f'))
assert a.endswith('llo')
assert a.endswith(('lo', 1))
assert a.endswith(('A', 'lo'))
assert not a.endswith('on')
assert not a.endswith(('A', 'll'))
assert a.zfill(8) == '000Hallo'
assert a.isalnum()
assert not a.isdigit()
assert not a.isdecimal()
assert not a.isnumeric()
assert a.istitle()
assert a.isalpha()

s = '1 2 3'
assert s.split(' ', 1) == ['1', '2 3']
assert s.rsplit(' ', 1) == ['1 2', '3']

b = '  hallo  '
assert b.strip() == 'hallo'
assert b.lstrip() == 'hallo  '
assert b.rstrip() == '  hallo'

s = '^*RustPython*^'
assert s.strip('^*') == 'RustPython'
assert s.lstrip('^*') == 'RustPython*^'
assert s.rstrip('^*') == '^*RustPython'

s = 'RustPython'
assert s.ljust(8) == 'RustPython'
assert s.rjust(8) == 'RustPython'
assert s.ljust(12) == 'RustPython  '
assert s.rjust(12) == '  RustPython'
assert s.ljust(12, '_') == 'RustPython__'
assert s.rjust(12, '_') == '__RustPython'
# The fill character must be exactly one character long
assert_raises(TypeError, lambda: s.ljust(12, '__'))
assert_raises(TypeError, lambda: s.rjust(12, '__'))

c = 'hallo'
assert c.capitalize() == 'Hallo'
assert c.center(11, '-') == '---hallo---'
assert ["koki".center(i, "|") for i in range(3, 10)] == [
    "koki",
    "koki",
    "|koki",
    "|koki|",
    "||koki|",
    "||koki||",
    "|||koki||",
]


assert ["kok".center(i, "|") for i in range(2, 10)] == [
    "kok",
    "kok",
    "kok|",
    "|kok|",
    "|kok||",
    "||kok||",
    "||kok|||",
    "|||kok|||",
]


# requires CPython 3.7, and the CI currently runs with 3.6
# assert c.isascii()
assert c.index('a') == 1
assert c.rindex('l') == 3
assert c.find('h') == 0
assert c.rfind('x') == -1
assert c.islower()
assert c.title() == 'Hallo'
assert c.count('l') == 2

assert 'aaa'.count('a') == 3
assert 'aaa'.count('a', 1) == 2
assert 'aaa'.count('a', 1, 2) == 1
assert 'aaa'.count('a', 2, 2) == 0
assert 'aaa'.count('a', 2, 1) == 0

assert '___a__'.find('a') == 3
assert '___a__'.find('a', -10) == 3
assert '___a__'.find('a', -3) == 3
assert '___a__'.find('a', -2) == -1
assert '___a__'.find('a', -1) == -1
assert '___a__'.find('a', 0) == 3
assert '___a__'.find('a', 3) == 3
assert '___a__'.find('a', 4) == -1
assert '___a__'.find('a', 10) == -1
assert '___a__'.rfind('a', 3) == 3
assert '___a__'.index('a', 3) == 3

assert '___a__'.find('a', 0, -10) == -1
assert '___a__'.find('a', 0, -3) == -1
assert '___a__'.find('a', 0, -2) == 3
assert '___a__'.find('a', 0, -1) == 3
assert '___a__'.find('a', 0, 0) == -1
assert '___a__'.find('a', 0, 3) == -1
assert '___a__'.find('a', 0, 4) == 3
assert '___a__'.find('a', 0, 10) == 3

assert '___a__'.find('a', 3, 3) == -1
assert '___a__'.find('a', 3, 4) == 3
assert '___a__'.find('a', 4, 3) == -1

assert 'abcd'.startswith('b', 1)
assert 'abcd'.startswith(('b', 'z'), 1)
assert not 'abcd'.startswith('b', -4)
assert 'abcd'.startswith('b', -3)

assert not 'abcd'.startswith('b', 3, 3)
assert 'abcd'.startswith('', 3, 3)
assert not 'abcd'.startswith('', 4, 3)

assert '   '.isspace()
assert 'hello\nhallo\nHallo'.splitlines() == ['hello', 'hallo', 'Hallo']
assert 'abc\t12345\txyz'.expandtabs() == 'abc     12345   xyz'
assert '-'.join(['1', '2', '3']) == '1-2-3'
assert 'HALLO'.isupper()
assert "hello, my name is".partition("my ") == ('hello, ', 'my ', 'name is')
assert "hello".partition("is") == ('hello', '', '')
assert "hello, my name is".rpartition("is") == ('hello, my name ', 'is', '')
assert "hello".rpartition("is") == ('', '', 'hello')
assert not ''.isdecimal()
assert '123'.isdecimal()
assert not '\u00B2'.isdecimal()

assert not ''.isidentifier()
assert 'python'.isidentifier()
assert '_'.isidentifier()
assert '์œ ๋‹ˆ์ฝ”๋“œ'.isidentifier()
assert not '๐Ÿ˜‚'.isidentifier()
assert not '123'.isidentifier()

# String Formatting
assert "{} {}".format(1, 2) == "1 2"
assert "{0} {1}".format(2, 3) == "2 3"
assert "--{:s>4}--".format(1) == "--sss1--"
assert "{keyword} {0}".format(1, keyword=2) == "2 1"
assert "repr() shows quotes: {!r}; str() doesn't: {!s}".format(
    'test1', 'test2'
) == "repr() shows quotes: 'test1'; str() doesn't: test2", 'Output: {!r}, {!s}'.format('test1', 'test2')


class Foo:
    def __str__(self):
        return 'str(Foo)'

    def __repr__(self):
        return 'repr(Foo)'


f = Foo()
assert "{} {!s} {!r} {!a}".format(f, f, f, f) == 'str(Foo) str(Foo) repr(Foo) repr(Foo)'
assert "{foo} {foo!s} {foo!r} {foo!a}".format(foo=f) == 'str(Foo) str(Foo) repr(Foo) repr(Foo)'
# assert '{} {!r} {:10} {!r:10} {foo!r:10} {foo!r} {foo}'.format('txt1', 'txt2', 'txt3', 'txt4', 'txt5', foo='bar')


# Printf-style String formatting
assert "%d %d" % (1, 2) == "1 2"
assert "%*c  " % (3, 'โค') == "  โค  "
assert "%(first)s %(second)s" % {'second': 'World!', 'first': "Hello,"} == "Hello, World!"
assert "%(key())s" % {'key()': 'aaa'}
assert "%s %a %r" % (f, f, f) == "str(Foo) repr(Foo) repr(Foo)"
assert "repr() shows quotes: %r; str() doesn't: %s" % ("test1", "test2") == "repr() shows quotes: 'test1'; str() doesn't: test2"

assert_raises(TypeError, lambda: "My name is %s and I'm %(age)d years old" % ("Foo", 25), msg="format requires a mapping")
assert_raises(TypeError, lambda: "My name is %(name)s" % "Foo", msg="format requires a mapping")
assert_raises(ValueError, lambda: "This %(food}s is great!" % {"food": "cookie"}, msg="incomplete format key")
assert_raises(ValueError, lambda: "My name is %" % "Foo", msg="incomplete format")

assert 'a' < 'b'
assert 'a' <= 'b'
assert 'a' <= 'a'
assert 'z' > 'b'
assert 'z' >= 'b'
assert 'a' >= 'a'

# str.translate
assert "abc".translate({97: '๐ŸŽ…', 98: None, 99: "xd"}) == "๐ŸŽ…xd"

# str.maketrans
assert str.maketrans({"a": "abc", "b": None, "c": 33}) == {97: "abc", 98: None, 99: 33}
assert str.maketrans("hello", "world", "rust") == {104: 119, 101: 111, 108: 108, 111: 100, 114: None, 117: None, 115: None, 116: None}

def try_mutate_str():
   word = "word"
   word[0] = 'x'

assert_raises(TypeError, try_mutate_str)

ss = ['Hello', '์•ˆ๋…•', '๐Ÿ‘‹']
bs = [b'Hello', b'\xec\x95\x88\xeb\x85\x95', b'\xf0\x9f\x91\x8b']

for s, b in zip(ss, bs):
    assert s.encode() == b

for s, b, e in zip(ss, bs, ['u8', 'U8', 'utf-8', 'UTF-8', 'utf_8']):
    assert s.encode(e) == b
    # assert s.encode(encoding=e) == b

# str.isisprintable
assert "".isprintable()
assert " ".isprintable()
assert "abcdefg".isprintable()
assert not "abcdefg\n".isprintable()
assert "อด".isprintable()

# test unicode iterals
assert "\xac" == "ยฌ"
assert "\u0037" == "7"
assert "\u0040" == "@"
assert "\u0041" == "A"
assert "\u00BE" == "ยพ"
assert "\u9487" == "้’‡"
assert "\U0001F609" == "๐Ÿ˜‰"