fix: use chunked read for integration and preset manifest hash - #3843
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Quratulain-bilal wants to merge 2 commits into
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fix: use chunked read for integration and preset manifest hash#3843Quratulain-bilal wants to merge 2 commits into
Quratulain-bilal wants to merge 2 commits into
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Replace unbounded fh.read() with chunked iteration to prevent excessive memory allocation on large or corrupted manifest files. Applies to both integrations/catalog.py and presets/__init__.py get_hash() methods.
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Pull request overview
Updates manifest hashing to process files incrementally, reducing peak memory usage.
Changes:
- Hash integration descriptors in 8 KiB chunks.
- Hash preset manifests in 8 KiB chunks.
Show a summary per file
| File | Description |
|---|---|
src/specify_cli/integrations/catalog.py |
Adds chunked descriptor hashing. |
src/specify_cli/presets/__init__.py |
Adds chunked preset manifest hashing. |
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- Files reviewed: 2/2 changed files
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The existing tests only checked the sha256: prefix, which would pass even if the chunked hash was broken. Now verify the complete hash matches hashlib.sha256(content).hexdigest() to exercise the multi-chunk path introduced by the chunked read change.
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Summary
Replace unbounded
f.read()with chunked iteration to prevent excessive memory allocation.Changes
integrations/catalog.py: Use chunked read inget_hash()presets/__init__.py: Use chunked read inget_hash()