Null string in DecimalField results in error: decimal.py _raise_error, line 2267
|Reported by:||Richard House <Richard.House@…>||Owned by:||adrian|
|Has patch:||no||Needs documentation:|
|Needs tests:||Patch needs improvement:|
I am running the django web server/sqlite on WinXP with Python 2.4 and the latest django SVN version. In keeping up with the FloatField to DecimalField changes I came across an error in both the admin pages and user pages with one of my apps.
In the debug page (excellent feature), an InvalidOperation was being raised at location "C:\Python24\lib\decimal.py in _raise_error, line 2267".
I traced the cause to some of my DecimalField values had empty string values at some stage of the process. I have blank=True and null=True on that field. A change to typecast_decimal function at line 96 of C:
\Python24\Lib\site-packages\django\db\backends\util.py solved the problem.
def typecast_decimal(s): if s is None: return None return decimal.Decimal(s)
def typecast_decimal(s): if s is None or s == '': ### Change return None return decimal.Decimal(s)
Suggested for a SVN change.