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[2.7] bpo-33026: Fix jumping out of "with" block by setting f_lineno. (GH-6026). (GH-6074) (GH-6076) 

(cherry picked from commit 26c9f565d0)
(cherry picked from commit 04aadf23ea)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
This commit is contained in:
Miss Islington (bot) 2018-03-11 00:55:59 -08:00 committed by Serhiy Storchaka
parent 34bb88dc5b
commit 3854f5885e
3 changed files with 34 additions and 0 deletions
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28
Lib/test/test_sys_settrace.py
View File

@ -723,6 +723,34 @@ class JumpTestCase(unittest.TestCase):
with tracecontext(output, 4):
output.append(5)
@jump_test(4, 5, [1, 3, 5, 6])
def test_jump_out_of_with_block_within_for_block(output):
output.append(1)
for i in [1]:
with tracecontext(output, 3):
output.append(4)
output.append(5)
output.append(6)
@jump_test(4, 5, [1, 2, 3, 5, -2, 6])
def test_jump_out_of_with_block_within_with_block(output):
output.append(1)
with tracecontext(output, 2):
with tracecontext(output, 3):
output.append(4)
output.append(5)
output.append(6)
@jump_test(5, 6, [2, 4, 6, 7])
def test_jump_out_of_with_block_within_finally_block(output):
try:
output.append(2)
finally:
with tracecontext(output, 4):
output.append(5)
output.append(6)
output.append(7)
@jump_test(8, 11, [1, 3, 5, 11, 12])
def test_jump_out_of_complex_nested_blocks(output):
output.append(1)

1
Misc/NEWS.d/next/Core and Builtins/2018-03-08-09-48-38.bpo-33026.QZA3Ba.rst Normal file
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@ -0,0 +1 @@
Fixed jumping out of "with" block by setting f_lineno.

5
Objects/frameobject.c
View File

@ -340,6 +340,11 @@ frame_setlineno(PyFrameObject *f, PyObject* p_new_lineno)
PyObject *v = (*--f->f_stacktop);
Py_DECREF(v);
}
if (b->b_type == SETUP_WITH) {
/* Pop the exit function. */
PyObject *v = (*--f->f_stacktop);
Py_DECREF(v);
}
}
/* Finally set the new f_lineno and f_lasti and return OK. */