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
|
# test 'return' within the finally block, with nested finally's
# only inactive finally's should be executed, and only once
# basic nested finally's, the print should only be executed once
def f():
try:
raise TypeError
finally:
print(1)
try:
raise ValueError
finally:
return 42
print(f())
# similar to above but more nesting
def f():
try:
raise ValueError
finally:
print(1)
try:
raise TypeError
finally:
print(2)
try:
pass
finally:
return 42
print(f())
# similar to above but even more nesting
def f():
try:
raise ValueError
finally:
print(1)
try:
raise TypeError
finally:
print(2)
try:
raise Exception
finally:
print(3)
return 42
print(f())
# upon return some try's are active, some finally's are active, some inactive
def f():
try:
try:
pass
finally:
print(2)
return 42
finally:
print(1)
print(f())
# same as above but raise instead of pass
def f():
try:
try:
raise ValueError
finally:
print(2)
return 42
finally:
print(1)
print(f())
# upon return exception stack holds: active finally, inactive finally, active finally
def f():
try:
raise Exception
finally:
print(1)
try:
try:
pass
finally:
print(3)
return 42
finally:
print(2)
print(f())
# same as above but raise instead of pass in innermost try block
def f():
try:
raise Exception
finally:
print(1)
try:
try:
raise Exception
finally:
print(3)
return 42
finally:
print(2)
print(f())
|
