From: Louis Rannou <louis.ran...@syslinbit.com>
Create a function that search into a json-ld instead of completely loading it.
Signed-off-by: Louis Rannou <louis.ran...@syslinbit.com>
---
meta/lib/oe/sbom.py | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/meta/lib/oe/sbom.py b/meta/lib/oe/sbom.py
index 28db9cf719..21333c0a84 100644
--- a/meta/lib/oe/sbom.py
+++ b/meta/lib/oe/sbom.py
@@ -119,3 +119,35 @@ def read_doc(fn):
doc = oe.spdx.SPDXDocument.from_json(f)
return (doc, sha1.hexdigest())
+
+
+def search_doc(fn, attr_types=None):
+ """
+ Look for all attributes in the given dictionary. Return the document
+ element, a dictionary of the required attributes and the sha1 of the file.
+ """
+ import hashlib
+ import oe.spdx3
+ import io
+ import contextlib
+
+ @contextlib.contextmanager
+ def get_file():
+ if isinstance(fn, io.IOBase):
+ yield fn
+ else:
+ with fn.open("rb") as f:
+ yield f
+
+ with get_file() as f:
+ sha1 = hashlib.sha1()
+ while True:
+ chunk = f.read(4096)
+ if not chunk:
+ break
+ sha1.update(chunk)
+
+ f.seek(0)
+ doc, attributes = oe.spdx3.SPDX3SpdxDocument.from_json(f, attr_types
or [])
+
+ return (doc, attributes, sha1.hexdigest())
--
2.42.0
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