Re: [IronPython] Bug: module ImportError exception not being raised
Dino, I just tried to reproduce the bug here at work and like you I was unable. The original behavior and test was done on my home PC (Windows Home Edition), so I will have to check later and get back to you. Anthony On 4/12/06, Dino Viehland [EMAIL PROTECTED] wrote: I've just got around to looking at this, and the repro isn't working for me on beta 5. I've created a.py and b.py: a.py: from b import BClass class AClass: pass b.py: from a import AClass class BClass: pass and then I get: IronPython 1.0.2280 (Beta) on .NET 2.0.50727.32 Copyright (c) Microsoft Corporation. All rights reserved. import a Traceback (most recent call last): File , line 0, in input##0 File , line 0, in __import__##4 File F:\Product\IronPython\IronPython\Experimental\a.py, line 1, in Initialize File , line 0, in __import__##4 File F:\Product\IronPython\IronPython\Experimental\b.py, line 1, in Initialize ImportError: cannot import AClass from a And ditto for import b: IronPython 1.0.2291 (Beta) on .NET 2.0.50727.32 Copyright (c) Microsoft Corporation. All rights reserved. import b Traceback (most recent call last): File , line 0, in input##0 File , line 0, in __import__##4 File F:\Product\IronPython\IronPython\Experimental\b.py, line 1, in Initialize File , line 0, in __import__##4 File F:\Product\IronPython\IronPython\Experimental\a.py, line 1, in Initialize ImportError: cannot import BClass from b I'm wondering if this could be a Mono specific bug. Could you try one thing and give me the result, start IronPythonConsole.exe w/ -X:ExceptionDetail command line option. Then after you start spinning hit Ctrl-C ? That should give you a nice full stack trace of where we were when we were spinning, and if we're lucky we can deduce what's going on from that. Do you want to help develop Dynamic languages on CLR? (http://members.microsoft.com/careers/search/details.aspx?JobID=6D4754DE-11F0-45DF-8B78-DC1B43134038) -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Anthony Tarlano Sent: Thursday, April 06, 2006 1:59 PM To: Discussion of IronPython Subject: [IronPython] Bug: module ImportError exception not being raised Hi, I found that IronPython Beta 5 is not raising ImportError and just going into a livelock loop when there is a circular import between two modules. Here is the test case where you'll see CPython returning an ImportError exception and IronPython spining DELL# ls a.py b.py DELL# cat a.py from b import BClass class AClass: pass DELL# cat b.py from a import AClass class BClass: pass DELL# python a.py Traceback (most recent call last): File a.py, line 1, in ? from b import BClass File c:\usr\home\tony\ipbug\b.py, line 1, in ? from a import AClass File c:\usr\home\tony\ipbug\a.py, line 1, in ? from b import BClass ImportError: cannot import name BClass DELL# IronPythonConsole a.py --- This command livelocks and never returns Regards, Anthony ___ users mailing list users@lists.ironpython.com http://lists.ironpython.com/listinfo.cgi/users-ironpython.com ___ users mailing list users@lists.ironpython.com http://lists.ironpython.com/listinfo.cgi/users-ironpython.com ___ users mailing list users@lists.ironpython.com http://lists.ironpython.com/listinfo.cgi/users-ironpython.com
Re: [IronPython] Bug: module ImportError exception not being raised
I've just got around to looking at this, and the repro isn't working for me on beta 5. I've created a.py and b.py: a.py: from b import BClass class AClass: pass b.py: from a import AClass class BClass: pass and then I get: IronPython 1.0.2280 (Beta) on .NET 2.0.50727.32 Copyright (c) Microsoft Corporation. All rights reserved. import a Traceback (most recent call last): File , line 0, in input##0 File , line 0, in __import__##4 File F:\Product\IronPython\IronPython\Experimental\a.py, line 1, in Initialize File , line 0, in __import__##4 File F:\Product\IronPython\IronPython\Experimental\b.py, line 1, in Initialize ImportError: cannot import AClass from a And ditto for import b: IronPython 1.0.2291 (Beta) on .NET 2.0.50727.32 Copyright (c) Microsoft Corporation. All rights reserved. import b Traceback (most recent call last): File , line 0, in input##0 File , line 0, in __import__##4 File F:\Product\IronPython\IronPython\Experimental\b.py, line 1, in Initialize File , line 0, in __import__##4 File F:\Product\IronPython\IronPython\Experimental\a.py, line 1, in Initialize ImportError: cannot import BClass from b I'm wondering if this could be a Mono specific bug. Could you try one thing and give me the result, start IronPythonConsole.exe w/ -X:ExceptionDetail command line option. Then after you start spinning hit Ctrl-C ? That should give you a nice full stack trace of where we were when we were spinning, and if we're lucky we can deduce what's going on from that. Do you want to help develop Dynamic languages on CLR? (http://members.microsoft.com/careers/search/details.aspx?JobID=6D4754DE-11F0-45DF-8B78-DC1B43134038) -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Anthony Tarlano Sent: Thursday, April 06, 2006 1:59 PM To: Discussion of IronPython Subject: [IronPython] Bug: module ImportError exception not being raised Hi, I found that IronPython Beta 5 is not raising ImportError and just going into a livelock loop when there is a circular import between two modules. Here is the test case where you'll see CPython returning an ImportError exception and IronPython spining DELL# ls a.py b.py DELL# cat a.py from b import BClass class AClass: pass DELL# cat b.py from a import AClass class BClass: pass DELL# python a.py Traceback (most recent call last): File a.py, line 1, in ? from b import BClass File c:\usr\home\tony\ipbug\b.py, line 1, in ? from a import AClass File c:\usr\home\tony\ipbug\a.py, line 1, in ? from b import BClass ImportError: cannot import name BClass DELL# IronPythonConsole a.py --- This command livelocks and never returns Regards, Anthony ___ users mailing list users@lists.ironpython.com http://lists.ironpython.com/listinfo.cgi/users-ironpython.com ___ users mailing list users@lists.ironpython.com http://lists.ironpython.com/listinfo.cgi/users-ironpython.com
Re: [IronPython] Bug: module ImportError exception not being raised
Thanks for the bug report, we've got this one filed and should get it fixed for beta 6. Do you want to help develop Dynamic languages on CLR? (http://members.microsoft.com/careers/search/details.aspx?JobID=6D4754DE-11F0-45DF-8B78-DC1B43134038) -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Anthony Tarlano Sent: Thursday, April 06, 2006 1:59 PM To: Discussion of IronPython Subject: [IronPython] Bug: module ImportError exception not being raised Hi, I found that IronPython Beta 5 is not raising ImportError and just going into a livelock loop when there is a circular import between two modules. Here is the test case where you'll see CPython returning an ImportError exception and IronPython spining DELL# ls a.py b.py DELL# cat a.py from b import BClass class AClass: pass DELL# cat b.py from a import AClass class BClass: pass DELL# python a.py Traceback (most recent call last): File a.py, line 1, in ? from b import BClass File c:\usr\home\tony\ipbug\b.py, line 1, in ? from a import AClass File c:\usr\home\tony\ipbug\a.py, line 1, in ? from b import BClass ImportError: cannot import name BClass DELL# IronPythonConsole a.py --- This command livelocks and never returns Regards, Anthony ___ users mailing list users@lists.ironpython.com http://lists.ironpython.com/listinfo.cgi/users-ironpython.com ___ users mailing list users@lists.ironpython.com http://lists.ironpython.com/listinfo.cgi/users-ironpython.com
