diff options
Diffstat (limited to 'Lib/traceback.py')
| -rw-r--r-- | Lib/traceback.py | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/Lib/traceback.py b/Lib/traceback.py index 15bdb3c8c2e..4ad8c9a17b3 100644 --- a/Lib/traceback.py +++ b/Lib/traceback.py @@ -4,6 +4,7 @@ import collections import itertools import linecache import sys +from contextlib import suppress __all__ = ['extract_stack', 'extract_tb', 'format_exception', 'format_exception_only', 'format_list', 'format_stack', @@ -463,19 +464,20 @@ class StackSummary(list): stripped_characters = len(frame._original_line) - len(frame.line.lstrip()) if ( - frame.end_lineno == frame.lineno - and frame.colno is not None + frame.colno is not None and frame.end_colno is not None ): colno = _byte_offset_to_character_offset(frame._original_line, frame.colno) end_colno = _byte_offset_to_character_offset(frame._original_line, frame.end_colno) - try: - anchors = _extract_caret_anchors_from_line_segment( - frame._original_line[colno - 1:end_colno - 1] - ) - except Exception: - anchors = None + anchors = None + if frame.lineno == frame.end_lineno: + with suppress(Exception): + anchors = _extract_caret_anchors_from_line_segment( + frame._original_line[colno - 1:end_colno - 1] + ) + else: + end_colno = stripped_characters + len(frame.line.strip()) row.append(' ') row.append(' ' * (colno - stripped_characters)) |