Re: Unable to Store Decimal values to DecimalField

As I see from the stack, error produced by  book.save() in  File "/var/opt/igp_acfs/acfs/bookproducts_manager.py", line 118 but in you code I can't this line of code. Do you really show the code, that related to error

2012/9/27 Laxmikant Gurnalkar <laxmikant.gurnalkar@gmail.com>

Hi ,

   While storing decimal values to database I have following error.

Exception in storeFormatMetadataTraceback (most recent call last):
  File "/var/opt/igp_acfs/acfs/bookproducts_manager.py", line 118, in storePricing
    book.save()
  File "/var/opt/igp_acfs/acfs/models.py", line 529, in save
    super(BookProductFormat, self).save()
  File "/usr/lib/python2.6/site-packages/django/db/models/base.py", line 458, in save
    self.save_base(using=using, force_insert=force_insert, force_update=force_update)
  File "/usr/lib/python2.6/site-packages/django/db/models/base.py", line 524, in save_base
    rows = manager.using(using).filter(pk=pk_val)._update(values)
  File "/usr/lib/python2.6/site-packages/django/db/models/query.py", line 502, in _update
    return query.get_compiler(self.db).execute_sql(None)
  File "/usr/lib/python2.6/site-packages/django/db/models/sql/compiler.py", line 866, in execute_sql
    cursor = super(SQLUpdateCompiler, self).execute_sql(result_type)
  File "/usr/lib/python2.6/site-packages/django/db/models/sql/compiler.py", line 722, in execute_sql
    sql, params = self.as_sql()
  File "/usr/lib/python2.6/site-packages/django/db/models/sql/compiler.py", line 831, in as_sql
    val = field.get_db_prep_save(val, connection=self.connection)
  File "/usr/lib/python2.6/site-packages/django/db/models/fields/subclassing.py", line 28, in inner
    return func(*args, **kwargs)
  File "/usr/lib/python2.6/site-packages/django/db/models/fields/subclassing.py", line 28, in inner
    return func(*args, **kwargs)
  File "/usr/lib/python2.6/site-packages/django/db/models/fields/subclassing.py", line 28, in inner
    return func(*args, **kwargs)
  File "/usr/lib/python2.6/site-packages/django/db/models/fields/__init__.py", line 276, in get_db_prep_save
    return self.get_db_prep_value(value, connection=connection, prepared=False)
  File "/usr/lib/python2.6/site-packages/django/db/models/fields/subclassing.py", line 53, in inner
    return func(*args, **kwargs)
  File "/usr/lib/python2.6/site-packages/django/db/models/fields/subclassing.py", line 53, in inner
    return func(*args, **kwargs)
  File "/usr/lib/python2.6/site-packages/django/db/models/fields/subclassing.py", line 53, in inner
    return func(*args, **kwargs)
  File "/usr/lib/python2.6/site-packages/django/db/models/fields/__init__.py", line 271, in get_db_prep_value
    value = self.get_prep_value(value)
  File "/usr/lib/python2.6/site-packages/django/db/models/fields/__init__.py", line 876, in get_prep_value
    return int(value)
ValueError: invalid literal for int() with base 10: ''


This is my code :

        obj = Model.objects.get(uid = formatuid)
        obj.price = Decimal(price).quantize(Decimal('.01'), rounding='ROUND_DOWN')
        obj.active = 1 if formats.get(format, "")else 0
        obj.save()


This is my mdel Field

        price = models.DecimalField(max_digits=3, decimal_places=2, blank=True, null=True)


I dont think. I'm wrong somewhere. Please HELP
Obviously price is my decimal Field.


Best Regards,
Laxmikant

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