Is there any update to this?
On Friday, 1 February 2019 17:21:40 UTC+1, Brian M wrote:
>
> So I'm trying to finally move my web2py apps over to Python 3.7 before
> Python 2.7 reaches EOL and, while for the most part they're working fine, I
> am finding that when there is a problem the web2py Error ticket is just
> about useless (doesn't tell you where the error actually occurs) because
> web2py seems to be throwing its own exception while trying to handle the
> actual exception resulting in tracebacks that look like this:
>
> Traceback
>
> 1.
> 2.
> 3.
> 4.
> 5.
> 6.
> 7.
> 8.
> 9.
> 10.
> 11.
> 12.
>
> Traceback (most recent call last):
> File "C:\FMSC_py3\web2py\gluon\restricted.py", line 220, in restricted
> exec(ccode, environment)
> pyodbc.DataError: ('22003', '[22003] [Microsoft][SQL Server Native Client
> 11.0][SQL Server]Arithmetic overflow error converting expression to data type
> int. (8115) (SQLExecDirectW)')
>
> During handling of the above exception, another exception occurred:
>
> Traceback (most recent call last):
> File "C:\FMSC_py3\web2py\gluon\restricted.py", line 141, in __init__
> self.traceback = traceback.format_exc()
> AttributeError: 'NoneType' object has no attribute 'strip'
>
>
> I'm using Python 3.7.2 on Win7 with a freshly downloaded copy of the
> web2py source and can reproduce this very easily within the included
> Welcome App by adding this to the default.py controller
>
> def causeError():
> deliberate_error= 1/0
> return dict(deliberate_error=deliberate_error)
>
> Which results in the below ticket. Which, while it does say the correct
> "division by zero" error, doesn't contain anything else useful in the
> traceback to actually say where in the code the error happens.
>
> Error ticket for "welcome"Ticket ID
>
> 127.0.0.1.2019-02-01.10-10-20.33b63e41-eac2-4737-a257-37232cf4fb72
> <class 'ZeroDivisionError'> division by zeroVersion
> web2py™ Version 2.17.2-stable+timestamp.2018.10.06.18.54.02Traceback
>
> 1.
> 2.
> 3.
> 4.
> 5.
> 6.
> 7.
> 8.
> 9.
> 10.
> 11.
> 12.
>
> Traceback (most recent call last):
> File "C:\FMSC_py3\web2py\gluon\restricted.py", line 220, in restricted
> except HTTP:
> ZeroDivisionError: division by zero
>
> During handling of the above exception, another exception occurred:
>
> Traceback (most recent call last):
> File "C:\FMSC_py3\web2py\gluon\restricted.py", line 141, in __init__
> self.traceback = traceback.format_exc()
> AttributeError: 'NoneType' object has no attribute 'strip'
>
> In file: C:\FMSC_py3\web2py\applications\welcome\controllers/default.py
>
> 1.
>
> <code object <module> at 0x03F546A8, file
> "C:\FMSC_py3\web2py\applications\welcome\controllers/default.py", line 8>
>
>
>
> This issue is making it very difficult to actually use web2py with Python
> 3 because when you inevitably make coding mistakes you cannot easily find
> them unlike under Python 2 where the web2py ticket's traceback tells you
> exactly where the issue is.
>
>
--
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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