Add EKO reinterpolation script

Author: cschwan

maintainer/reinterpolate-eko.py

@@ -0,0 +1,17 @@
+#!/usr/bin/env python3
+
+import eko
+import numpy
+import pineappl
+import sys
+
+#grid = pineappl.grid.Grid.read('{}.pineappl.lz4'.format(sys.argv[1]))
+grid = pineappl.grid.Grid.read('test-data/ATLASPHT15_Et_1bin_last_three_bins.pineappl.lz4')
+mask = pineappl.grid.Order.create_mask(grid.orders(), 2, 0, True)
+x_grid = grid.evolve_info(mask).x1
+
+#operator = eko.EKO.edit('{}.tar'.format(sys.argv[1]))
+operator = eko.EKO.edit('test-data/ATLASPHT15-ATLASPHT15_Et_1bin.tar')
+
+eko.io.manipulate.xgrid_reshape(operator, targetgrid=eko.interpolation.XGrid(x_grid))
+operator.close()