New submission from Terry J. Reedy: 3.5.0a2, my Win 7 and Guido's new Win laptop: error tracebacks are mangled in a way that makes Idle severely less functional, hence 'release blocker'. First, the normal behavior.
Python 3.5.0a2 (v3.5.0a2:0337bd7ebcb6+, Mar 9 2015, 10:29:45) [MSC v.1900 64 bi t (AMD64)] on win32 >>> 1/0 Traceback (most recent call last): File "<stdin>", line 1, in <module> ZeroDivisionError: division by zero Idle 3.4.3 and previous give same, with the helpful addition of the code line ('1/0'), as in batch mode tracebacks, since it uses the traceback module. But Idle 3.5.0a2 started from the installed icon gives >>> 1/0 Traceback (most recent call last): Traceback (most recent call last): Traceback (most recent call last): File "C:\Program Files\Python 3.5\lib\idlelib\run.py", line 353, in runcode exec(code, self.locals) File "<pyshell#1>", line 1, in <module> ZeroDivisionError: division by zero During handling of the above exception, another exception occurred: Traceback (most recent call last): File "C:\Program Files\Python 3.5\lib\idlelib\run.py", line 126, in main ret = method(*args, **kwargs) File "C:\Program Files\Python 3.5\lib\idlelib\run.py", line 365, in runcode print_exception() File "C:\Program Files\Python 3.5\lib\idlelib\run.py", line 216, in print_exception print_exc(typ, val, tb) File "C:\Program Files\Python 3.5\lib\idlelib\run.py", line 211, in print_exc traceback.print_list(tbe, file=efile) File "C:\Program Files\Python 3.5\lib\traceback.py", line 22, in print_list for item in StackSummary.from_list(extracted_list).format(): File "C:\Program Files\Python 3.5\lib\traceback.py", line 370, in format frame.filename, frame.lineno, frame.name)) AttributeError: 'tuple' object has no attribute 'filename' >>> ================================ RESTART ================================ >>> run.py (as should be more or less everything in idlelib) is identical in 3.4 and 3.5. Idle started from a command line (py -3 -m idlelib) gives an even worse result. The Idle Shell just shows >>> 1/0 Traceback (most recent call last): Traceback (most recent call last): >>> ================================ RESTART ================================ >>> while the following appears in the command window (Command Prompt or PowerShell). Traceback (most recent call last): File "C:\Program Files\Python 3.5\lib\idlelib\run.py", line 353, in runcode exec(code, self.locals) File "<pyshell#0>", line 1, in <module> ZeroDivisionError: division by zero During handling of the above exception, another exception occurred: Traceback (most recent call last): File "C:\Program Files\Python 3.5\lib\idlelib\run.py", line 126, in main ret = method(*args, **kwargs) File "C:\Program Files\Python 3.5\lib\idlelib\run.py", line 365, in runcode print_exception() File "C:\Program Files\Python 3.5\lib\idlelib\run.py", line 216, in print_exception print_exc(typ, val, tb) File "C:\Program Files\Python 3.5\lib\idlelib\run.py", line 211, in print_exc traceback.print_list(tbe, file=efile) File "C:\Program Files\Python 3.5\lib\traceback.py", line 22, in print_list for item in StackSummary.from_list(extracted_list).format(): File "C:\Program Files\Python 3.5\lib\traceback.py", line 370, in format frame.filename, frame.lineno, frame.name)) AttributeError: 'tuple' object has no attribute 'filename' Exception in Tkinter callback Traceback (most recent call last): File "C:\Program Files\Python 3.5\lib\idlelib\rpc.py", line 359, in pollpacket s = self.sock.recv(BUFSIZE) ConnectionResetError: [WinError 10054] An existing connection was forcibly closed by the r During handling of the above exception, another exception occurred: Traceback (most recent call last): File "C:\Program Files\Python 3.5\lib\idlelib\rpc.py", line 432, in pollresponse message = self.pollmessage(wait) File "C:\Program Files\Python 3.5\lib\idlelib\rpc.py", line 384, in pollmessage packet = self.pollpacket(wait) File "C:\Program Files\Python 3.5\lib\idlelib\rpc.py", line 361, in pollpacket raise EOFError EOFError During handling of the above exception, another exception occurred: Traceback (most recent call last): File "C:\Program Files\Python 3.5\lib\idlelib\PyShell.py", line 565, in poll_subprocess response = clt.pollresponse(self.active_seq, wait=0.05) File "C:\Program Files\Python 3.5\lib\idlelib\rpc.py", line 436, in pollresponse self.handle_EOF() File "C:\Program Files\Python 3.5\lib\idlelib\PyShell.py", line 383, in handle_EOF raise EOFError EOFError During handling of the above exception, another exception occurred: Traceback (most recent call last): ValueError: invalid literal for int() with base 10: '??' During handling of the above exception, another exception occurred: Traceback (most recent call last): File "C:\Program Files\Python 3.5\lib\tkinter\__init__.py", line 1534, in __call__ args = self.subst(*args) File "C:\Program Files\Python 3.5\lib\tkinter\__init__.py", line 1252, in _substitute e.num = getint_event(b) File "C:\Program Files\Python 3.5\lib\tkinter\__init__.py", line 1231, in getint_event return int(s) SystemError: result with error in PyObject_Call This needs to be checked on another OS, but the traceback problem does not strike me as Windows-specific. ---------- keywords: 3.3regression messages: 237810 nosy: georg.brandl, larry, ncoghlan, terry.reedy priority: release blocker severity: normal stage: needs patch status: open title: 3.5 (a2) traceback regression snarls Idle type: behavior versions: Python 3.5 _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue23631> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com