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
|
# -----------------
# list comprehensions
# -----------------
# basics:
a = ['' for a in [1]]
#? str()
a[0]
#? ['insert']
a.insert
a = [a for a in [1]]
#? int()
a[0]
y = 1.0
# Should not leak.
[y for y in [3]]
#? float()
y
a = [a for a in (1, 2)]
#? int()
a[0]
a = [a for a,b in [(1,'')]]
#? int()
a[0]
arr = [1,'']
a = [a for a in arr]
#? int()
a[0]
#? str()
a[1]
#? int() str()
a[2]
a = [a if 1.0 else '' for a in [1] if [1.0]]
#? int() str()
a[0]
# name resolve should be correct
left, right = 'a', 'b'
left, right = [x for x in (left, right)]
#? str()
left
# with a dict literal
#? int()
[a for a in {1:'x'}][0]
# list comprehensions should also work in combination with functions
def listen(arg):
for x in arg:
#? str()
x
listen(['' for x in [1]])
#?
([str for x in []])[0]
# with a set literal
#? int()
[a for a in {1, 2, 3}][0]
# -----------------
# nested list comprehensions
# -----------------
b = [a for arr in [[1]] for a in arr]
#? int()
b[0]
b = [a for arr in [[1]] if '' for a in arr if '']
#? int()
b[0]
b = [b for arr in [[[1.0]]] for a in arr for b in a]
#? float()
b[0]
# jedi issue #26
#? list()
a = [[int(v) for v in line.strip().split() if v] for line in ["123", "123", "123"] if line]
#? list()
a[0]
#? int()
a[0][0]
# -----------------
# generator comprehensions
# -----------------
left, right = (i for i in (1, ''))
#? int()
left
#? str()
right
gen = (i for i in (1,))
#? int()
next(gen)
#?
gen[0]
gen = (a for arr in [[1.0]] for a in arr)
#? float()
next(gen)
#? int()
(i for i in (1,)).send()
# issues with different formats
left, right = (i for i in
('1', 2))
#? str()
left
#? int()
right
# -----------------
# dict comprehensions
# -----------------
#? int()
list({a - 1: 3 for a in [1]})[0]
d = {a - 1: b for a, b in {1: 'a', 3: 1.0}.items()}
#? int()
list(d)[0]
#? str() float()
d.values()[0]
#? str()
d[0]
#? float() str()
d[1]
#? float()
d[2]
# -----------------
# set comprehensions
# -----------------
#? set()
{a - 1 for a in [1]}
#? set()
{a for a in range(10)}
#? int()
[x for x in {a for a in range(10)}][0]
#? int()
{a for a in range(10)}.pop()
#? float() str()
{b for a in [[3.0], ['']] for b in a}.pop()
#? int()
next(iter({a for a in range(10)}))
# -----------------
# name resolution in comprehensions.
# -----------------
def x():
"""Should not try to resolve to the if hio, which was a bug."""
#? 22
[a for a in h if hio]
if hio: pass
# -----------------
# slices
# -----------------
#? list()
foo = [x for x in [1, '']][:1]
#? int()
foo[0]
# -----------------
# In class
# -----------------
class X():
def __init__(self, bar):
self.bar = bar
def foo(self):
x = [a for a in self.bar][0]
#? int()
x
return x
#? int()
X([1]).foo()
|
