Hi,
I'm pretty sure I use it correctly, but don't understand how this
fixes the problem :(.
I looked up the reload in the documentation and all it does a module
reload - where would I place it?
I was thinking i could convert all decimals to strings prior the
saving the new object, but it would not fix updates.
Ales
On Apr 24, 8:45 pm, soniiic <soni...@gmail.com> wrote:
> Are you sure you're using it correctly? i googled it and came up with
> this which is the exact same position you're in.
>
> This never actually applies a value to be converted but it still tries
> and that's what causes the error (i think)
>
> >>> import decimal
> >>> d = decimal.Decimal()
> >>> reload(decimal)
>
> <module 'decimal' from '/usr/lib/python2.5/decimal.pyc'>>>> decimal.Decimal(d)
>
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "/usr/lib/python2.5/decimal.py", line 617, in __new__
> raise TypeError("Cannot convert %r to Decimal" % value)
> TypeError: Cannot convert Decimal("0") to Decimal
>
> http://mail.python.org/pipermail/python-list/2008-May/665477.html
>
> On Apr 24, 3:37 pm, Newt <strejda.n...@gmail.com> wrote:
>
> > Hello,
>
> > in my latest application I have models with like 15 Decimal fields,
> > with different decimal places.
>
> > when I try to save an object of that model, I get sometimes (often,
> > but not always) this error:
>
> > File "/home/newt/django/1.0/sites/cdms/item/views.py", line 1054, in
> > item_copy
> > object.save()
>
> > File "/home/newt/django/1.0/lib/django/db/models/base.py", line 311,
> > in save
>
> > File "/home/newt/django/1.0/lib/django/db/models/base.py", line 371,
> > in save_base
>
> > File "/home/newt/django/1.0/lib/django/db/models/fields/
> > __init__.py", line 192, in get_db_prep_save
>
> > File "/home/newt/django/1.0/lib/django/db/models/fields/
> > __init__.py", line 609, in get_db_prep_value
>
> > File "/home/newt/django/1.0/lib/django/db/models/fields/
> > __init__.py", line 583, in to_python
>
> > File "/usr/lib/python2.5/decimal.py", line 650, in __new__
> > raise TypeError("Cannot convert %r to Decimal" % value)
>
> > TypeError: Cannot convert Decimal("0.0000") to Decimal
>
> > It fails on the first decimal field (at it's only one with 4 decimal
> > places) and it just happens sometimes.
> > I remember something like that used to happen with psycopg2 some year
> > ago.
>
> > I think it breaks when it tries to get the data ready for the SQL
> > statement.
>
> > In this project I have to use django-pyodbc connector to MSSQL
> > database.
>
> > I have tried both 1.02 and 1.1b branches of the connector with same
> > errorous results.
>
> > It's the most frustrating bug in django so far, as I'm completely
> > helpless and even google's silent about this.
>
> > Please does anyone know what's causing this, or how to get rid of
> > it...
>
> > thanks,
>
> > Ales
>
>
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