b83fd8650c
Extract the is_manifest_list() function from the ImageManifest object in osbuild-mpp into a util function to be reused by the skopeo source.
14 lines
632 B
Python
14 lines
632 B
Python
def is_manifest_list(data):
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"""Inspect a manifest determine if it's a multi-image manifest-list."""
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media_type = data.get("mediaType")
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# Check if mediaType is set according to docker or oci specifications
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if media_type in ("application/vnd.docker.distribution.manifest.list.v2+json",
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"application/vnd.oci.image.index.v1+json"):
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return True
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# According to the OCI spec, setting mediaType is not mandatory. So, if it is not set at all, check for the
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# existence of manifests
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if media_type is None and data.get("manifests") is not None:
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return True
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return False
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