def post(self, instance_id):
if not self.is_exist(instance_id):
abort(404)
self.check_permissions(instance_id)
self.prepare_creation(instance_id)
tmp_folder = current_app.config["TMP_DIR"]
uploaded_file = request.files["file"]
thumbnail_path = thumbnail_utils.save_file(
tmp_folder, instance_id, uploaded_file
)
thumbnail_path = thumbnail_utils.turn_into_thumbnail(
thumbnail_path, size=self.size
)
file_store.add_picture("thumbnails", instance_id, thumbnail_path)
os.remove(thumbnail_path)
self.clear_cache_file(instance_id)
thumbnail_url_path = thumbnail_utils.url_path(
self.data_type, instance_id
)
self.emit_event(instance_id)
return {"thumbnail_path": thumbnail_url_path}, 201
def test_add_and_open_picture(self):
file_path_fixture = self.get_fixture_file_path("thumbnails/th01.png")
file_store.add_picture("thumbnails",
"63e453f1-9655-49ad-acba-ff7f27c49e9d",
file_path_fixture)
file_name = "thumbnails-63e453f1-9655-49ad-acba-ff7f27c49e9d"
result_path = file_store.path(file_store.pictures, file_name)
self.assertTrue(os.path.exists(result_path))
def save_variants(preview_file_id, original_picture_path):
"""
Build variants of a picture file and save them in the main storage.
"""
variants = thumbnail_utils.generate_preview_variants(
original_picture_path, preview_file_id)
variants.append(("original", original_picture_path))
for (name, path) in variants:
file_store.add_picture(name, preview_file_id, path)
os.remove(path)
return [] # variants
def upload_entity_thumbnail(entity):
"""
Upload thumbnail file for given entity to object storage.
"""
preview_folder = os.getenv("PREVIEW_FOLDER", "/opt/zou/previews")
local = LocalBackend("local",
{"root": os.path.join(preview_folder, "pictures")})
file_path = local.path("thumbnails-" + str(entity.id))
if entity.has_avatar:
file_store.add_picture("thumbnails", str(entity.id), file_path)
print("%s uploaded" % file_path)
def save_thumbnail(person, thumbnail):
from zou.app import app
with app.app_context():
thumbnail_path = "/tmp/ldap_th.jpg"
with open(thumbnail_path, "wb") as th_file:
th_file.write(thumbnail)
thumbnail_png_path = thumbnail_utils.convert_jpg_to_png(
thumbnail_path)
thumbnail_utils.turn_into_thumbnail(
thumbnail_png_path, size=thumbnail_utils.BIG_SQUARE_SIZE)
file_store.add_picture("thumbnails", person["id"],
thumbnail_png_path)
os.remove(thumbnail_png_path)
persons_service.update_person(person["id"], {"has_avatar": True})
def download_thumbnail_from_another_instance(model_name, model_id):
"""
Download into the local storage the thumbnail for a given model instance.
"""
from zou.app import app
with app.app_context():
file_path = "/tmp/thumbnails-%s.png" % str(model_id)
path = "/pictures/thumbnails/%ss/%s.png" % (model_name, model_id)
try:
gazu.client.download(path, file_path)
file_store.add_picture("thumbnails", model_id, file_path)
os.remove(file_path)
print("%s downloaded" % file_path)
except Exception as e:
print(e)
print("%s download failed" % file_path)
return path
def upload_preview(preview_file):
"""
Upload all files link to preview file entry: orginal file and variants.
"""
print("upload preview %s (%s)" % (preview_file.id, preview_file.extension))
preview_folder = os.getenv("PREVIEW_FOLDER", "/opt/zou/previews")
local_picture = LocalBackend(
"local", {"root": os.path.join(preview_folder, "pictures")})
local_movie = LocalBackend(
"local", {"root": os.path.join(preview_folder, "movies")})
local_file = LocalBackend("local",
{"root": os.path.join(preview_folder, "files")})
is_movie = preview_file.extension == "mp4"
is_picture = preview_file.extension == "png"
is_file = not is_movie and not is_picture
preview_file_id = str(preview_file.id)
file_key = "previews-%s" % preview_file_id
if is_picture:
file_path = local_picture.path(file_key)
ul_func = file_store.add_picture
exists_func = file_store.exists_picture
elif is_movie:
file_path = local_movie.path(file_key)
ul_func = file_store.add_movie
exists_func = file_store.exists_movie
elif is_file:
file_path = local_file.path(file_key)
ul_func = file_store.add_file
exists_func = file_store.exists_file
if is_movie or is_picture:
for prefix in ["thumbnails", "thumbnails-square", "original"]:
pic_file_path = local_picture.path("%s-%s" %
(prefix, str(preview_file.id)))
if os.path.exists(pic_file_path) and not file_store.exists_picture(
prefix, preview_file_id):
file_store.add_picture(prefix, preview_file_id, pic_file_path)
prefix = "previews"
if os.path.exists(file_path) and not exists_func(prefix, preview_file_id):
ul_func(prefix, preview_file_id, file_path)
print("%s uploaded" % file_path)
def patch_file_storage():
"""
Patch to run after upgrade from 0.7.6 or lower to 0.8.0 or superior.
It concerns only files stored on the hard drive.
"""
from zou import app
from zou.app import config
from zou.app.stores import file_store
from zou.app.services import files_service
with app.app.app_context():
if hasattr(
config,
"THUMBNAIL_FOLDER",
):
preview_folder = config.THUMBNAIL_FOLDER
else:
preview_folder = config.PREVIEW_FOLDER
print("Looking for existing file in %s" % preview_folder)
originals_folder = os.path.join(preview_folder, "preview-files",
"originals")
if os.path.exists(originals_folder):
for folder in os.listdir(originals_folder):
subfolder = os.path.join(".", originals_folder, folder)
print("Looking into folder: %s" % subfolder)
for filename in os.listdir(subfolder):
file_path = os.path.join(subfolder, filename)
print("Loading file: %s" % file_path)
instance_id = filename.split(".")[0]
extension = filename.split(".")[1]
if extension == "png":
file_store.add_picture("originals", instance_id,
file_path)
elif extension == "mp4":
file_store.add_movie("previews", instance_id,
file_path)
else:
file_store.add_file("previews", instance_id, file_path)
print("Original file stored: (%s, %s)" %
(instance_id, extension))
try:
files_service.update_preview_file(
instance_id, {"exstension": extension})
except:
print("Warning: preview file entry "
"not found: %s." % instance_id)
for prefix in ["thumbnails", "thumbnails-square", "previews"]:
folder = os.path.join(preview_folder, "preview-files", prefix)
if os.path.exists(folder):
for subfoldername in os.listdir(folder):
subfolder = os.path.join(".", folder, subfoldername)
for filename in os.listdir(subfolder):
file_path = os.path.join(subfolder, filename)
instance_id = filename.split(".")[0]
file_store.add_picture(prefix, instance_id, file_path)
print("%s file stored: %s" % (prefix, instance_id))
for prefix in ["persons", "projects"]:
folder = os.path.join(preview_folder, prefix)
if os.path.exists(folder):
for filename in os.listdir(folder):
file_path = os.path.join(folder, filename)
instance_id = filename.split(".")[0]
file_store.add_picture("thumbnails", instance_id,
file_path)
print("%s file stored: %s" % (prefix, instance_id))