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
|
# test that we can generate a traceback without allocating
import micropython
import sys
try:
import uio
except ImportError:
print("SKIP")
raise SystemExit
# preallocate exception instance with some room for a traceback
global_exc = StopIteration()
try:
raise global_exc
except:
pass
def test():
micropython.heap_lock()
global global_exc
global_exc.__traceback__ = None
try:
raise global_exc
except StopIteration:
print('StopIteration')
micropython.heap_unlock()
# call test() with heap allocation disabled
test()
# print the exception that was raised
buf = uio.StringIO()
sys.print_exception(global_exc, buf)
for l in buf.getvalue().split("\n"):
# uPy on pyboard prints <stdin> as file, so remove filename.
if l.startswith(" File "):
l = l.split('"')
print(l[0], l[2])
else:
print(l)
|
