diff options
Diffstat (limited to 'Lib/idlelib/run.py')
| -rw-r--r-- | Lib/idlelib/run.py | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/Lib/idlelib/run.py b/Lib/idlelib/run.py index 07e9a2b..3836727 100644 --- a/Lib/idlelib/run.py +++ b/Lib/idlelib/run.py @@ -4,6 +4,7 @@ Simplified, pyshell.ModifiedInterpreter spawns a subprocess with f'''{sys.executable} -c "__import__('idlelib.run').run.main()"''' '.run' is needed because __import__ returns idlelib, not idlelib.run. """ +import contextlib import functools import io import linecache @@ -211,6 +212,19 @@ def show_socket_error(err, address): parent=root) root.destroy() + +def get_message_lines(typ, exc, tb): + "Return line composing the exception message." + if typ in (AttributeError, NameError): + # 3.10+ hints are not directly accessible from python (#44026). + err = io.StringIO() + with contextlib.redirect_stderr(err): + sys.__excepthook__(typ, exc, tb) + return [err.getvalue().split("\n")[-2] + "\n"] + else: + return traceback.format_exception_only(typ, exc) + + def print_exception(): import linecache linecache.checkcache() @@ -241,7 +255,7 @@ def print_exception(): "debugger_r.py", "bdb.py") cleanup_traceback(tbe, exclude) traceback.print_list(tbe, file=efile) - lines = traceback.format_exception_only(typ, exc) + lines = get_message_lines(typ, exc, tb) for line in lines: print(line, end='', file=efile) |