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
|
import traceback
from contextlib import contextmanager
from typing import Optional, List
from ._compatibility import compatibility
__all__ = ['override_stack_trace', 'set_stack_trace', 'append_stack_trace', 'format_stack', 'is_stack_trace_overridden']
current_stack: List[str] = []
is_overridden = False
@compatibility(is_backward_compatible=False)
@contextmanager
def override_stack_trace():
global is_overridden
saved_is_overridden = is_overridden
try:
is_overridden = True
yield
finally:
is_overridden = saved_is_overridden
@compatibility(is_backward_compatible=False)
def set_stack_trace(stack : List[str]):
global current_stack
if is_overridden and stack:
current_stack = stack
@compatibility(is_backward_compatible=False)
@contextmanager
def append_stack_trace(stack : Optional[str]):
"""
The content of stack here is an entire stacktraces as a string
"""
global current_stack
if is_overridden and stack:
try:
current_stack.append(stack)
yield
finally:
current_stack.pop()
else:
yield
@compatibility(is_backward_compatible=False)
def format_stack() -> List[str]:
if is_overridden:
return current_stack.copy()
else:
# fallback to traceback.format_stack()
return traceback.format_stack()
@compatibility(is_backward_compatible=False)
def is_stack_trace_overridden() -> bool:
return is_overridden
|
