class DocumentPageTransformation(models.Model):
"""
Model that stores the transformation and transformation arguments
for a given document page
"""
document_page = models.ForeignKey(DocumentPage,
verbose_name=_(u'document page'))
order = models.PositiveIntegerField(default=0,
blank=True,
null=True,
verbose_name=_(u'order'),
db_index=True)
transformation = models.CharField(
choices=get_available_transformations_choices(),
max_length=128,
verbose_name=_(u'transformation'))
arguments = models.TextField(
blank=True,
null=True,
verbose_name=_(u'arguments'),
help_text=_(u'Use dictionaries to indentify arguments, example: %s') %
u'{\'degrees\':90}',
validators=[ArgumentsValidator()])
objects = DocumentPageTransformationManager()
def __unicode__(self):
return self.get_transformation_display()
class Meta:
ordering = ('order', )
verbose_name = _(u'document page transformation')
verbose_name_plural = _(u'document page transformations')
class QueueTransformation(models.Model):
'''
Model that stores the transformation and transformation arguments
for a given document queue
'''
content_type = models.ForeignKey(ContentType)
object_id = models.PositiveIntegerField()
content_object = generic.GenericForeignKey('content_type', 'object_id')
order = models.PositiveIntegerField(default=0,
blank=True,
null=True,
verbose_name=_(u'order'),
db_index=True)
transformation = models.CharField(
choices=get_available_transformations_choices(),
max_length=128,
verbose_name=_(u'transformation'))
arguments = models.TextField(
blank=True,
null=True,
verbose_name=_(u'arguments'),
help_text=_(u'Use dictionaries to indentify arguments, example: %s') %
u'{\'degrees\':90}',
validators=[ArgumentsValidator()])
objects = models.Manager()
transformations = SourceTransformationManager()
def __unicode__(self):
return self.get_transformation_display()
class Meta:
ordering = ('order', )
verbose_name = _(u'document queue transformation')
verbose_name_plural = _(u'document queue transformations')