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Save hash and path grid informations when generating FK Tables#247

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kamillaurent wants to merge 1 commit intomainfrom
hash_theory
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Save hash and path grid informations when generating FK Tables#247
kamillaurent wants to merge 1 commit intomainfrom
hash_theory

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@kamillaurent kamillaurent commented Apr 28, 2026

When a FK Table is generated, the hash information and path of the pineappl grid used for it are saved in the metadata of the FK Table.

These information can be read using the pinealppl-cli, for example:

pineappl read --show ATLAS_WZ_TOT_13TEV-ATLASWZTOT13TEV81PB_Z_tot.pineappl.lz4

outputs, between the other informations, this lines:

grid_files: {"ATLAS_WZ_TOT_13TEV-ATLASWZTOT13TEV81PB_Z_tot.pineappl": {"hash": "f1110fd0bb8ccddf28bf722f9f9c3dd5", "path": "/data/theorie/klaurent/FKTables/pineko/data/grids/41000000/ATLAS_WZ_TOT_13TEV-ATLASWZTOT13TEV81PB_Z_tot.pineappl.lz4"}}

This PR is related to issue #225

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@scarlehoff scarlehoff left a comment

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LGTM.
(haven't tested it, but I trust the OP is a real-life test)

Comment thread src/pineko/evolve.py
if grid_path is not None:
grid_path_obj = pathlib.Path(grid_path)
grid_hash = hashlib.md5(grid_path_obj.read_bytes()).hexdigest()
grid_files = {grid_path_obj.stem: {"hash": grid_hash, "path": str(grid_path_obj.resolve())}}
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Suggested change
grid_files = {grid_path_obj.stem: {"hash": grid_hash, "path": str(grid_path_obj.resolve())}}
grid_files = {grid_path_obj.stem: {"hash": grid_hash, "theory_folder": grid_path_obj.parent.name}}

Out of privacy concerns, I would just store the path starting from the theory_slim folder.

My suggestion is, since you have the grid name as the key, save just the theory folder name.

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