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

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

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1 change: 1 addition & 0 deletions src/pineko/cli/convolve.py
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Original file line number Diff line number Diff line change
Expand Up @@ -108,6 +108,7 @@ def subcommand(
assumptions=assumptions,
comparison_pdfs=pdfs,
min_as=min_as,
grid_path=pathlib.Path(grid_path),
)

if len(operators) > 1:
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11 changes: 11 additions & 0 deletions src/pineko/evolve.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
"""Tools related to evolution/eko."""

import copy
import hashlib
import json
import logging
import os
Expand Down Expand Up @@ -303,6 +304,7 @@ def evolve_grid(
assumptions="Nf6Ind",
comparison_pdfs: Optional[list[str]] = None,
min_as=None,
grid_path: Optional[os.PathLike] = None,
):
"""Convolute grid with EKO from file paths.

Expand Down Expand Up @@ -332,6 +334,8 @@ def evolve_grid(
if given, a comparison table (with / without evolution) will be printed
min_as: None or int
minimum power of strong coupling
grid_path : str or os.PathLike or None
path to the grid file, used to store grid hash metadata
"""
order_mask = pineappl.boc.Order.create_mask(grid.orders(), max_as, max_al, True)
if min_as is not None and min_as > 1:
Expand Down Expand Up @@ -433,6 +437,13 @@ def prepare(operator, convolution_types):
fktable.set_metadata("pineko_version", version.__version__)
fktable.set_metadata("theory_card", json.dumps(theory_meta))

# Store grid hash and path information
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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@scarlehoff scarlehoff May 1, 2026

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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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@felixhekhorn felixhekhorn May 12, 2026

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agreed on the privacy, but I think I would keep the resolve(), because I think this way we can resolve symbolic links, right? i.e. .resolve().parent (or similar)

fktable.set_metadata("grid_files", json.dumps(grid_files))

# compare before/after
comparison = None
if comparison_pdfs is not None:
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1 change: 1 addition & 0 deletions src/pineko/theory.py
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Expand Up @@ -565,6 +565,7 @@ def fk(self, name, grid_path, tcard, pdfs):
theory_meta=tcard,
assumptions=assumptions,
comparison_pdfs=pdfs,
grid_path=grid_path,
)

if n_ekos > 1:
Expand Down
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