simple script to try to read small indexed reflections out of a file

extract_small.py

import cPickle as pickle
from scitbx.array_family import flex

with open("indexed.pickle") as f:
  ref = pickle.load(f)

indexed = ref.get_flags(ref.flags.indexed)
intensity_one = flex.bool([x["intensity.sum.value"] == 1 for x in ref])
size_one_shoebox = flex.bool([sum(x["shoebox"].size()) == 3 for x in ref])
# TypeError: No to_python (by-value) converter found for C++ type: dials::model::Shoebox<float>
# No to_python (by-value) converter found for C++ type: dials::model::Shoebox<float>

red = ref.select(indexed & intensity_one & size_one_shoebox)