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bpo-45292: [PEP 654] Update traceback display code to work with exception groups #29207

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Merged
iritkatriel merged 27 commits into from
Nov 5, 2021
Merged

bpo-45292: [PEP 654] Update traceback display code to work with exception groups #29207

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42bed01
C traceback code
iritkatriel Oct 5, 2021
a2daa23
add ExceptionGroups support to traceback.py
iritkatriel Oct 8, 2021
261917a
remove 'with X sub-exceptions' line from tracebacks
iritkatriel Oct 24, 2021
7613b43
pass margin instead of margin_char
iritkatriel Oct 25, 2021
d98a72b
update news
iritkatriel Oct 25, 2021
d69916e
excs is tuple, use PyTuple apis. Change check to assertion.
iritkatriel Oct 25, 2021
f5cab69
remove redundant num_excs > 0 check (it is asserted above)
iritkatriel Oct 25, 2021
5170f00
remove cpython_only from exception group tests
iritkatriel Oct 25, 2021
2052c77
handle recursion errors (vert deeply nested EGs)
iritkatriel Oct 25, 2021
5097300
WRITE_INDENTED_MARGIN macro --> write_indented_margin function
iritkatriel Oct 26, 2021
dc21cf8
move new traceback utils to internal/
iritkatriel Oct 26, 2021
d4007b7
test improvements
iritkatriel Oct 26, 2021
169934e
pep7, improve error checking and clarity
iritkatriel Oct 26, 2021
aa4da45
add missing test to cover print_chained with/without parent_label
iritkatriel Oct 26, 2021
6ee84f7
compare the complete expected tb text
iritkatriel Oct 26, 2021
ac7f34c
Update Misc/NEWS.d/next/Core and Builtins/2021-09-26-18-18-50.bpo-452…
iritkatriel Oct 26, 2021
d0d4961
don't need the regex anymore
iritkatriel Oct 26, 2021
5c1015d
remove full-path labels
iritkatriel Oct 29, 2021
83abebd
int --> bool
iritkatriel Oct 29, 2021
16d077d
move code around
iritkatriel Oct 29, 2021
64fb164
Tweak the top-level of traceback box as suggested by Yury
iritkatriel Oct 31, 2021
88019f5
tidy up error handling
iritkatriel Nov 1, 2021
e963835
add limits for width and depth of formatted exception groups
iritkatriel Nov 2, 2021
e85510a
use _PyBaseExceptionGroup_Check macro
iritkatriel Nov 2, 2021
c15a7bd
remove redundant PyErr_Clear
iritkatriel Nov 2, 2021
d8cc6e8
minor tweak - move if out of loop
iritkatriel Nov 2, 2021
61fab3f
remove excess whitespace
iritkatriel Nov 3, 2021
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test improvements
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@iritkatriel
iritkatriel committed Oct 26, 2021
commit d4007b7a64dc580d317d2e29e080a99a98225782
8 changes: 4 additions & 4 deletions Lib/test/test_traceback.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1024,7 +1024,7 @@ def test_exception_group_deep_recursion_traceback(self):
"\nDuring handling of the above exception, "
"another exception occurred:\n\n")

nested_exception_header_re = r'[\+-]?\+[-{4} ]+[ \d\.?]+[ -{4}]+'
nested_exception_header_re = r'[+-]?\+[-{4} ]+[ \d\.?]+[ -{4}]+'

boundaries = re.compile(
'(%s|%s|%s)' % (re.escape(cause_message),
Expand Down Expand Up @@ -1273,15 +1273,15 @@ def check_exception_group(self, exc_func, expected):
blocks = boundaries.split(report)
self.assertEqual(len(blocks), len(expected))

for i, block in enumerate(blocks):
for line in expected[i]:
for block, expected_lines in zip(blocks, expected):
for line in expected_lines:
self.assertIn(f"{line}", block)
# check indentation
self.assertNotIn(f" {line}", block)

for line in report:
# at most one margin char per line
self.assertLessEqual(line.count('|'), 1)
self.assertLessEqual(line.count('|'), 1, msg=f'{line!r}')

def test_exception_group_basic(self):
def exc():
Expand Down