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Decoupled page transformation interface, added default transformation support

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This commit is contained in:
Roberto Rosario
2011-02-14 02:11:39 -04:00
parent 06d7e5a46a
commit fbc8bc960a
9 changed files with 65 additions and 34 deletions
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17
apps/documents/models.py
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@@ -14,8 +14,6 @@ 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
@@ -27,7 +25,7 @@ from documents.conf.settings import FILESYSTEM_FILESERVING_ENABLE
from documents.conf.settings import FILESYSTEM_FILESERVING_PATH
from documents.conf.settings import FILESYSTEM_SLUGIFY_PATHS
from documents.conf.settings import FILESYSTEM_MAX_RENAME_COUNT
from documents.conf.settings import AVAILABLE_TRANSFORMATIONS
if FILESYSTEM_SLUGIFY_PATHS == False:
#Do not slugify path or filenames and extensions
@@ -447,21 +445,18 @@ class MetadataGroupItem(models.Model):
verbose_name = _(u'metadata group item')
verbose_name_plural = _(u'metadata group items')
available_transformations = ([(name, data['label']) for name, data in AVAILABLE_TRANSFORMATIONS.items()]) if AVAILABLE_MODELS else []
class DocumentPageTransformation(models.Model):
document_page = models.ForeignKey(DocumentPage, verbose_name=_(u'document page'))
order = models.PositiveIntegerField(blank=True, null=True, verbose_name=_(u'order'))
transformation = models.CharField(choices=TRANFORMATION_CHOICES, max_length=128, verbose_name=_(u'transformation'))
transformation = models.CharField(choices=available_transformations, 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)
return '%s - %s' % (self.document_page, self.get_transformation_display())
class Meta:
ordering = ('order',)