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Initial updates to support document tranformations

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This commit is contained in:
Roberto Rosario
2011-02-13 17:01:51 -04:00
parent 344a613514
commit 65d1e5b176
10 changed files with 154 additions and 15 deletions
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25
apps/documents/models.py
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@@ -14,6 +14,8 @@ from django.db.models import Q
from dynamic_search.api import register
from converter.conf.settings import TRANFORMATION_CHOICES
from documents.conf.settings import AVAILABLE_FUNCTIONS
from documents.conf.settings import AVAILABLE_MODELS
from documents.conf.settings import CHECKSUM_FUNCTION
@@ -411,4 +413,27 @@ class MetadataGroupItem(models.Model):
verbose_name_plural = _(u'metadata group items')
class DocumentTransformation(models.Model):
document = models.ForeignKey(Document, verbose_name=_(u'document'))
order = models.PositiveIntegerField(blank=True, null=True, verbose_name=_(u'order'))
transformation = models.CharField(choices=TRANFORMATION_CHOICES, max_length=128, verbose_name=_(u'transformation'))
arguments = models.TextField(blank=True, null=True, verbose_name=_(u'arguments'), help_text=_(u'Use directories to indentify arguments, example: {\'degrees\':90}'))
def __unicode__(self):
return self.get_transformation_display()
def get_transformation(self):
try:
return self.transformation % eval(self.arguments)
except Exception, e:
raise Exception(e)
class Meta:
ordering = ('order',)
verbose_name = _(u'document transformation')
verbose_name_plural = _(u'document transformations')
register(Document, _(u'document'), ['document_type__name', 'file_mimetype', 'file_filename', 'file_extension', 'documentmetadata__value', 'documentpage__content'])