def _set_file(self, file):
self.file_type, md5 = identify_and_md5(file)
try:
blob = ParentBlob.objects.get(md5_sum=md5)
except ParentBlob.DoesNotExist:
blob = ParentBlob(md5_sum=md5, file=file)
if self._blob_id:
self._old_blob = self._blob
self._blob = blob
def _set_file(self, file):
self.file_type, md5 = identify_and_md5(file)
path = get_path(self.file_type)
try:
blob = DerivedBlob.objects.get(md5_sum=md5,
upload_to_url=path)
if hasattr(self, '_blob'):
self._old_blob = self._blob
except DerivedBlob.DoesNotExist:
blob = DerivedBlob(upload_to_url=path, md5_sum=md5, file=file)
self._blob = blob
def uploaded_new_document(file):
"""
Sets up a new document object ready to be saved.
Note that it won't fill in the `title` or `author` attributes,
you have to do that.
"""
file_type, md5_sum = identify_and_md5(file)
try:
blob = ParentBlob.objects.get(md5_sum=md5_sum)
except ParentBlob.DoesNotExist:
blob = ParentBlob.objects.create(md5_sum=md5_sum, file=file,
file_type=file_type)
blob.save()
document = Document()
document.file_name = os.path.basename(file.name)
document._blob = blob
return document
def uploaded_new_derived_document(file):
"""
Like `uploaded_new_derived_document' this creates the 'DerivedBlob'
object and a 'DerivedDocument' object.
The `DerivedDocument` object is returned, you need to fill in
`derived_from` and `index`.
"""
file_type, md5_sum = identify_and_md5(file)
try:
blob = DerivedBlob.objects.get(md5_sum=md5_sum)
except DerivedBlob.DoesNotExist:
blob = DerivedBlob(md5_sum=md5_sum, file=file, file_type=file_type)
blob.upload_to_url = get_path(file_type)
blob.save()
document = DerivedDocument()
document._blob = blob
return document