def save_attachments(instance, media_files):
"""
Returns `True` if any new attachment was saved, `False` if all attachments
were duplicates or none were provided
"""
any_new_attachment = False
for f in media_files:
attachment_filename = generate_attachment_filename(instance, f.name)
existing_attachment = Attachment.objects.filter(
instance=instance,
media_file=attachment_filename,
mimetype=f.content_type,
).first()
if existing_attachment and (existing_attachment.file_hash
== hash_attachment_contents(f.read())):
# We already have this attachment!
continue
f.seek(0)
# This is a new attachment; save it!
Attachment.objects.create(instance=instance,
media_file=f,
mimetype=f.content_type)
any_new_attachment = True
return any_new_attachment
def save_attachments(instance, media_files):
'''
Returns `True` if any new attachment was saved, `False` if all attachments
were duplicates or none were provided
'''
any_new_attachment = False
for f in media_files:
attachment_filename = generate_attachment_filename(instance, f.name)
existing_attachment = Attachment.objects.filter(
instance=instance,
media_file=attachment_filename,
mimetype=f.content_type,
).first()
if existing_attachment and (existing_attachment.file_hash ==
hash_attachment_contents(f.read())):
# We already have this attachment!
continue
f.seek(0)
# This is a new attachment; save it!
Attachment.objects.create(
instance=instance,
media_file=f, mimetype=f.content_type)
any_new_attachment = True
return any_new_attachment