def remove(self):
photos = DBPhoto.get_by_key_name(self.photoslist)
photo_keys = []
blob_keys = []
thumb_blob_keys = []
comments_keys = []
for photo in photos:
photo_keys.append(photo.key())
blob_keys.append(photo.blob_key)
thumb_blob_keys.append(photo.thumb_blob_key)
comments_keys = comments_keys + [
comment.key() for comment in DBComment.get_comments(
photo.album_name, photo.photo_name)
]
def txn():
remove(photo_keys)
remove(comments_keys)
db.delete(comments_keys)
SITE_SETTINGS.remove_album(self)
db.delete(photo_keys)
self.delete()
db.run_in_transaction(txn)
blobstore.delete(blob_keys)
blobstore.delete(thumb_blob_keys)
def delete_images(self):
'''
Deletes the associated images to the image parameter
'''
for field in [self.image_blob_key, self.image_thumb_blob_key]:
if field is not None and len(field.strip()) > 0:
blobstore.delete(field)
pass
def delete_images(self):
'''
Deletes the associated images to the image parameter
'''
for field in [self.image_blob_key, self.image_thumb_blob_key]:
if field is not None and len(field.strip()) > 0:
blobstore.delete(field)
pass
def admin_images(parent_id= -1):
"""
List all images from within a category
"""
category_id = parent_id
form = ImageForm(prefix='image')
if form.validate_on_submit():
is_new = False
if len(form.key_id.data) > 0 and long(form.key_id.data) > 0:
image = ImageModel.get_by_id(long(form.key_id.data))
else:
image = ImageModel()
is_new = True
v2m(form, image)
category_id = long(form.category_id.data)
if type(form.image.data) == FileStorage and (is_new or form.update_image.data):
blob_key = form.image.data.mimetype_params['blob-key']
#create a small
(image.image_thumb_blob_key, image.width, image.height) = create_thumbnail(blob_key, 50, 50)
#and a slightly larger version
(image.image_blob_key, image.width, image.height) = create_thumbnail(blob_key)
#delete the uploaded (possibly 'uge file)
blobstore.delete(blob_key)
elif not is_new and form.update_image.data: # we set to update with an empty image so we delete the one in the db
image.delete_images()
image.image_blob_key = ''
image.image_thumb_blob_key = ''
image.width = 0
image.height = 0
try:
image.put()
image_id = image.key().id()
flash(u'Image %s successfully saved.' % image_id, 'success')
return redirect(url_for('admin_images_in_category', parent_id=category_id))
except CapabilityDisabledError:
image.delete_images()
flash(u'App Engine Datastore is currently in read-only mode.', 'info')
return redirect(url_for('admin_images_in_category', parent_id=category_id))
pass
elif form.is_submitted():
category_id = long(form.category_id.data)
images = sorted(ImageModel.all().filter('category_id', category_id), key=lambda i: i.order)
(categories, category_path, all_categories) = CategoryModel.get_categories_info(category_id)
form.category_id.data = category_path[-1].key().id()
return render_template('image/admin_images.html', images=images,
form=form,
categories=categories,
category_path=category_path,
current_category=category_path[-1],
all_categories=all_categories,
reset_image=ImageModel(category_id=category_id),
upload_url=blobstore.create_upload_url(url_for('admin_images')))
def drop_empty_files(filenames):
"""Deletes empty files and returns filenames minus the deleted ones."""
non_empty_filenames = []
empty_file_keys = []
blobs_info = blobstore.BlobInfo.get([files.blobstore.get_blob_key(fn) for fn in filenames])
for filename, blob_info in zip(filenames, blobs_info):
if blob_info:
if blob_info.size > 0:
non_empty_filenames.append(filename)
else:
empty_file_keys.append(blob_info.key())
blobstore_api.delete(empty_file_keys)
return non_empty_filenames
def drop_empty_files(filenames):
"""Deletes empty files and returns filenames minus the deleted ones."""
non_empty_filenames = []
empty_file_keys = []
blobs_info = blobstore.BlobInfo.get(
[files.blobstore.get_blob_key(fn) for fn in filenames])
for filename, blob_info in itertools.izip(filenames, blobs_info):
if blob_info:
if blob_info.size > 0:
non_empty_filenames.append(filename)
else:
empty_file_keys.append(blob_info.key())
blobstore_api.delete(empty_file_keys)
return non_empty_filenames
def delete_backup_files(filesystem, backup_files):
if backup_files:
if filesystem == files.BLOBSTORE_FILESYSTEM:
blob_keys = []
for fname in backup_files:
blob_key = files.blobstore.get_blob_key(fname)
if blob_key:
blob_keys.append(blob_key)
if len(blob_keys) == MAX_BLOBS_PER_DELETE:
blobstore_api.delete(blob_keys)
blob_keys = []
if blob_keys:
blobstore_api.delete(blob_keys)
def delete_backup_files(filesystem, backup_files):
if backup_files:
if filesystem == files.BLOBSTORE_FILESYSTEM:
blob_keys = []
for fname in backup_files:
blob_key = files.blobstore.get_blob_key(fname)
if blob_key:
blob_keys.append(blob_key)
if len(blob_keys) == MAX_BLOBS_PER_DELETE:
blobstore_api.delete(blob_keys)
blob_keys = []
if blob_keys:
blobstore_api.delete(blob_keys)
def delete_blobstore_files(self, kind_files):
"""delete files in blobstore"""
keys = []
for kind_file in kind_files:
for file_name in kind_file.files:
key = files.blobstore.get_blob_key(file_name)
if key:
keys.append(key)
delete_files = []
for key in keys:
delete_files.append(key)
if len(delete_files) == 100:
blobstore.delete(delete_files)
delete_files = []
if delete_files:
blobstore.delete(delete_files)
def post(self):
"""Handler for post requests to datastore_admin/backup_delete.do.
Jobs are executed and user is redirected to the base-path handler.
"""
backup_ids = self.request.get_all('backup_id')
token = self.request.get('xsrf_token')
error = None
if backup_ids and utils.ValidateXsrfToken(token, XSRF_ACTION):
try:
for backup_info in db.get(backup_ids):
if backup_info:
blobstore_api.delete([files.blobstore.get_blob_key(filename)
for filename in backup_info.blob_files])
backup_info.delete()
except Exception, e:
logging.exception('Failed to delete datastore backup.')
error = str(e)
def post(self):
"""Handler for post requests to datastore_admin/backup_delete.do.
Jobs are executed and user is redirected to the base-path handler.
"""
backup_ids = self.request.get_all('backup_id')
token = self.request.get('xsrf_token')
error = None
if backup_ids and utils.ValidateXsrfToken(token, XSRF_ACTION):
try:
for backup_info in db.get(backup_ids):
if backup_info:
blobstore_api.delete([
files.blobstore.get_blob_key(filename)
for filename in backup_info.blob_files
])
backup_info.delete()
except Exception, e:
logging.exception('Failed to delete datastore backup.')
error = str(e)
def remove(self):
photos = DBPhoto.get_by_key_name(self.photoslist)
photo_keys = []
blob_keys = []
thumb_blob_keys = []
comments_keys = []
for photo in photos:
photo_keys.append(photo.key())
blob_keys.append(photo.blob_key)
thumb_blob_keys.append(photo.thumb_blob_key)
comments_keys = comments_keys + [comment.key() for comment in
DBComment.get_comments(photo.album_name, photo.photo_name)]
def txn():
remove(photo_keys)
remove(comments_keys)
db.delete(comments_keys)
SITE_SETTINGS.remove_album(self)
db.delete(photo_keys)
self.delete()
db.run_in_transaction(txn)
blobstore.delete(blob_keys)
blobstore.delete(thumb_blob_keys)
def remove(self):
blobstore.delete(self.blod_key)
blobstore.delete(self.thumb_blob_key)
DBComment.del_comments(self.album_name, self.photo_name)
self.remove()
def remove(self):
blobstore.delete(self.blod_key)
blobstore.delete(self.thumb_blob_key)
DBComment.del_comments(self.album_name, self.photo_name)
self.remove()
def delete_image(self):
blobstore.delete(self.image)
