Files
mayan-edms/mayan/apps/sources/managers.py
2014-10-02 02:01:08 -04:00

27 lines
956 B
Python

from ast import literal_eval
from django.contrib.contenttypes.models import ContentType
from django.db import models
class SourceTransformationManager(models.Manager):
def get_for_object(self, obj):
ct = ContentType.objects.get_for_model(obj)
return self.model.objects.filter(content_type=ct).filter(object_id=obj.pk)
def get_for_object_as_list(self, obj):
warnings = []
transformations = []
for transformation in self.get_for_object(obj).values('transformation', 'arguments'):
try:
transformations.append(
{
'transformation': transformation['transformation'],
'arguments': literal_eval(transformation['arguments'].strip())
}
)
except (ValueError, SyntaxError) as exception:
warnings.append(exception)
return transformations, warnings