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feat: add branch skimming option for reading ROOT files (#71)
* first commit * saving * added branch filtering * formatting? * got rid of eval(), now pylint is complaining about exec()... * need noqa for 'unused variable' * Switched to using uproot's 'cut' argument
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| from __future__ import annotations | ||
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| from pathlib import Path | ||
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| import awkward as ak | ||
| import pytest | ||
| import uproot | ||
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| import hepconvert | ||
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| skhep_testdata = pytest.importorskip("skhep_testdata") | ||
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| def test_copy(tmp_path): | ||
| file = uproot.open(skhep_testdata.data_path("uproot-HZZ.root")) | ||
| cut_exp = "Jet_Px >= 10" | ||
| hepconvert.copy_root( | ||
| Path(tmp_path) / "copy.root", | ||
| skhep_testdata.data_path("uproot-HZZ.root"), | ||
| keep_branches="Jet_", | ||
| counter_name=lambda counted: "N" + counted, | ||
| force=True, | ||
| expressions="Jet_Px", | ||
| cut=cut_exp, | ||
| ) | ||
| hepconvert_file = uproot.open(Path(tmp_path) / "copy.root") | ||
| for key in hepconvert_file["events"].keys(): | ||
| if key.startswith("Jet_Px"): | ||
| assert key in file["events"].keys() | ||
| assert len(hepconvert_file["events"][key].arrays()) == 2321 | ||
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| def test_trigger(tmp_path): | ||
| file = uproot.open( | ||
| skhep_testdata.data_path("nanoAOD_2015_CMS_Open_Data_ttbar.root") | ||
| ) | ||
|
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||
| hepconvert.copy_root( | ||
| Path(tmp_path) / "copy.root", | ||
| skhep_testdata.data_path("nanoAOD_2015_CMS_Open_Data_ttbar.root"), | ||
| keep_branches=["Jet_*"], | ||
| force=True, | ||
| cut="HLT_QuadPFJet_DoubleBTagCSV_VBF_Mqq200", | ||
| ) | ||
| hepconvert_file = uproot.open(Path(tmp_path) / "copy.root") | ||
| correct_len = 0 | ||
| for i in file["Events"]["HLT_QuadPFJet_DoubleBTagCSV_VBF_Mqq200"].array(): | ||
| if i is True: | ||
| correct_len += 1 | ||
| for key in hepconvert_file["Events"].keys(): | ||
| if key.startswith("Jet_"): | ||
| assert key in file["Events"].keys() | ||
| assert len(hepconvert_file["Events"][key].array()) == correct_len | ||
| assert ak.all( | ||
| hepconvert_file["Events"][key].array() | ||
| == file["Events"][key].array()[ | ||
| file["Events"]["HLT_QuadPFJet_DoubleBTagCSV_VBF_Mqq200"].array() | ||
| ] | ||
| ) | ||
|
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||
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| def test_incorrect_shape(tmp_path): | ||
| cut_exp = "Jet_Px >= 10" | ||
| with pytest.raises(IndexError): | ||
| hepconvert.copy_root( | ||
| Path(tmp_path) / "copy.root", | ||
| skhep_testdata.data_path("uproot-HZZ.root"), | ||
| counter_name=lambda counted: "N" + counted, | ||
| force=True, | ||
| cut=cut_exp, | ||
| ) | ||
|
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| def test_merge_cut(tmp_path): | ||
| file = uproot.open(skhep_testdata.data_path("uproot-HZZ.root"))["events"] | ||
|
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| hepconvert.merge_root( | ||
| Path(tmp_path) / "test_simple.root", | ||
| [ | ||
| skhep_testdata.data_path("uproot-HZZ.root"), | ||
| skhep_testdata.data_path("uproot-HZZ.root"), | ||
| ], | ||
| cut="Jet_Px >= 10", | ||
| keep_branches="Jet_*", | ||
| progress_bar=True, | ||
| force=True, | ||
| counter_name=lambda counted: "N" + counted, | ||
| ) | ||
| hepconvert_file = uproot.open(Path(tmp_path) / "test_simple.root") | ||
| for key in hepconvert_file["events"].keys(): | ||
| if key.startswith("Jet_"): | ||
| assert key in file.keys() | ||
| assert ak.all( | ||
| hepconvert_file["events"][key].array()[:2421] | ||
| == file[key].array()[file["Jet_Px"].array() >= 10] | ||
| ) |