def fetch_release(self, package_name, release, media_type):
"""
Retrieves an AppRelease from it's repository-name and release-name.
"""
repo = _application(package_name)
try:
tag, manifest, blob = appr_model.release.get_app_release(
repo, release, media_type, self.models_ref)
created_at = _timestamp_to_iso(tag.lifetime_start)
blob_descriptor = BlobDescriptor(
digest=_strip_sha256_header(blob.digest),
mediaType=blob.media_type.name,
size=blob.size,
urls=[],
)
app_manifest = ApplicationManifest(
digest=manifest.digest,
mediaType=manifest.media_type.name,
content=blob_descriptor)
app_release = ApplicationRelease(release=tag.name,
created_at=created_at,
name=package_name,
manifest=app_manifest)
return app_release
except (
self.models_ref.Tag.DoesNotExist,
self.models_ref.Manifest.DoesNotExist,
self.models_ref.Blob.DoesNotExist,
Repository.DoesNotExist,
MediaType.DoesNotExist,
):
raise_package_not_found(package_name, release, media_type)
def store_blob(self, cnrblob, content_media_type):
if self.is_readonly:
raise ReadOnlyException('Currently in read-only mode')
fp = cnrblob.packager.io_file
path = cnrblob.upload_url(cnrblob.digest)
locations = storage.preferred_locations
storage.stream_write(locations, path, fp, 'application/x-gzip')
db_blob = appr_model.blob.get_or_create_blob(cnrblob.digest,
cnrblob.size,
content_media_type,
locations,
self.models_ref)
return BlobDescriptor(mediaType=content_media_type,
digest=_strip_sha256_header(db_blob.digest),
size=db_blob.size,
urls=[])