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author | Weitian LI <liweitianux@gmail.com> | 2014-06-24 17:11:44 +0800 |
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committer | Weitian LI <liweitianux@gmail.com> | 2014-06-24 17:11:44 +0800 |
commit | 3961e2bdfa2cb946f1bd367c9a7a392528bbaeef (patch) | |
tree | 326b178af4a91ae875a490d10a2904412a8f29a3 /account | |
parent | ed3d74e61300f91818eeff9dad7e9d35c556f75a (diff) | |
download | django-skaschool-3961e2bdfa2cb946f1bd367c9a7a392528bbaeef.tar.bz2 |
Splited storage function from account.extra
* Splited storage function from account.extra -> tools/storage.py
- OverwriteStorage
- file_cleanup
* Updated account.models, archive.models
* Added OverwriteStorage and file_cleanup function to notice.models
Diffstat (limited to 'account')
-rw-r--r-- | account/extra.py | 53 | ||||
-rw-r--r-- | account/models.py | 3 |
2 files changed, 2 insertions, 54 deletions
diff --git a/account/extra.py b/account/extra.py index d0f74f2..c75ce1c 100644 --- a/account/extra.py +++ b/account/extra.py @@ -6,16 +6,11 @@ Extra models for app account from django import forms from django.db import models -from django.db.models.fields.files import FieldFile -from django.core.files.storage import FileSystemStorage -from django.conf import settings from django.template.defaultfilters import filesizeformat from django.utils.translation import ugettext_lazy as _ from south.modelsinspector import add_introspection_rules -import os - ### custom fields ### class ContentTypeRestrictedFileField(models.FileField): @@ -70,51 +65,3 @@ add_introspection_rules([ ], ["^account\.extra\.ContentTypeRestrictedFileField"]) -### OverwriteStorage ### -class OverwriteStorage(FileSystemStorage): - """ - overwrite original file before store the new one - """ - def get_available_name(self, name): - """ - Returns a filename that's free on the target storage system, - and available for new content to be written to. - Ref: http://djangosnippets.org/snippets/976/ - - This file storage solves overwrite on upload problem. Another - proposed solution was to override the save method on the model - like so (from https://code.djangoproject.com/ticket/11663): - - def save(self, *args, **kwargs): - try: - this = MyModelName.objects.get(id=self.id) - if this.MyImageFieldName != self.MyImageFieldName: - this.MyImageFieldName.delete() - except: pass - super(MyModelName, self).save(*args, **kwargs) - """ - # If the filename already exists, - # remove it as if it was a true file system - if self.exists(name): - filepath = os.path.join(settings.MEDIA_ROOT, name) - if os.path.isfile(filepath): - os.remove(filepath) - return name - - -### delete files associated with model FileField -# Pre-delete signal function for deleting files a model -# https://djangosnippets.org/snippets/2820/ -def file_cleanup(sender, instance, *args, **kwargs): - """ - Deletes the file(s) associated with a model instance. The model - is not saved after deletion of the file(s) since this is meant - to be used with the pre_delete signal. - """ - for field_name, _ in instance.__dict__.iteritems(): - field = getattr(instance, field_name) - if (issubclass(field.__class__, FieldFile) and field.name): - # pass False so FileField does not save the model - field.delete(save=False) - - diff --git a/account/models.py b/account/models.py index 62276b8..4199941 100644 --- a/account/models.py +++ b/account/models.py @@ -13,7 +13,8 @@ from django.utils.translation import ugettext_lazy as _ from django.db.models.signals import pre_delete from registration.signals import user_registered, user_activated -from account.extra import ContentTypeRestrictedFileField, OverwriteStorage, file_cleanup +from account.extra import ContentTypeRestrictedFileField +from tools.storage import OverwriteStorage, file_cleanup import os |