26 lines
1.1 KiB
Python
26 lines
1.1 KiB
Python
|
from image.docker import ManifestException
|
||
|
|
from image.docker.schema1 import DockerSchema1Manifest, DOCKER_SCHEMA1_CONTENT_TYPES
|
||
|
|
from image.docker.schema2 import (DOCKER_SCHEMA2_MANIFEST_CONTENT_TYPE,
|
||
|
|
DOCKER_SCHEMA2_MANIFESTLIST_CONTENT_TYPE)
|
||
|
|
from image.docker.schema2.manifest import DockerSchema2Manifest
|
||
|
|
from image.docker.schema2.list import DockerSchema2ManifestList
|
||
|
|
from util.bytes import Bytes
|
||
|
|
|
||
|
|
|
||
|
|
def parse_manifest_from_bytes(manifest_bytes, media_type, validate=True):
|
||
|
|
""" Parses and returns a manifest from the given bytes, for the given media type.
|
||
|
|
Raises a ManifestException if the parse fails for some reason.
|
||
|
|
"""
|
||
|
|
assert isinstance(manifest_bytes, Bytes)
|
||
|
|
|
||
|
|
if media_type == DOCKER_SCHEMA2_MANIFEST_CONTENT_TYPE:
|
||
|
|
return DockerSchema2Manifest(manifest_bytes)
|
||
|
|
|
||
|
|
if media_type == DOCKER_SCHEMA2_MANIFESTLIST_CONTENT_TYPE:
|
||
|
|
return DockerSchema2ManifestList(manifest_bytes)
|
||
|
|
|
||
|
|
if media_type in DOCKER_SCHEMA1_CONTENT_TYPES:
|
||
|
|
return DockerSchema1Manifest(manifest_bytes, validate=validate)
|
||
|
|
|
||
|
|
raise ManifestException('Unknown or unsupported manifest media type `%s`' % media_type)
|