コード例 #1
0
ファイル: test_jagged.py プロジェクト: scikit-hep/awkward-0.x
    def test_jagged_pad(self):
        a = awkward0.fromiter([[1.1, 2.2, 3.3], [], [4.4, 5.5]])
        assert a.pad(4, clip=True).tolist() == [[1.1, 2.2, 3.3, None], [None, None, None, None], [4.4, 5.5, None, None]]
        assert a.pad(4, numpy.ma.masked, clip=True).regular().tolist() == [[1.1, 2.2, 3.3, None], [None, None, None, None], [4.4, 5.5, None, None]]

        assert a.pad(4).tolist() == [[1.1, 2.2, 3.3, None], [None, None, None, None], [4.4, 5.5, None, None]]
        assert a.pad(4, numpy.ma.masked).regular().tolist() == [[1.1, 2.2, 3.3, None], [None, None, None, None], [4.4, 5.5, None, None]]

        a = awkward0.fromiter([[1.1, 2.2, 3.3, 4.4, 5.5], [], [6.6, 7.7, 8.8], [9.9]])
        assert a.pad(3).tolist() == [[1.1, 2.2, 3.3, 4.4, 5.5], [None, None, None], [6.6, 7.7, 8.8], [9.9, None, None]]
        assert a.pad(3, clip=True).tolist() == [[1.1, 2.2, 3.3], [None, None, None], [6.6, 7.7, 8.8], [9.9, None, None]]
コード例 #2
0
    def test_physics_jetcleaning(self):
        jet_m = awkward0.fromiter([[60.0, 70.0, 80.0], [], [90.0, 100.0]])

        jet_pt = awkward0.fromiter([[10.0, 20.0, 30.0], [], [40.0, 50.0]])
        e_pt = awkward0.fromiter([[20.2, 50.5], [50.5], [50.5]])

        jet_eta = awkward0.fromiter([[-3.0, -2.0, 2.0], [], [-1.0, 1.0]])
        e_eta = awkward0.fromiter([[-2.2, 0.0], [0.0], [1.1]])

        jet_phi = awkward0.fromiter([[-1.5, 0.0, 1.5], [], [0.78, -0.78]])
        e_phi = awkward0.fromiter([[0.1, 0.78], [0.78], [-0.77]])

        jets = uproot_methods.TLorentzVectorArray.from_ptetaphim(
            jet_pt, jet_eta, jet_phi, jet_m)
        electrons = uproot_methods.TLorentzVectorArray.from_ptetaphim(
            e_pt, e_eta, e_phi, 0.000511)

        combinations = jets.cross(electrons, nested=True)

        def delta_r(one, two):
            return one.delta_r(two)

        assert (~(delta_r(combinations.i0, combinations.i1) < 0.5).any()
                ).tolist() == [[True, False, True], [], [True, False]]

        (jets[~(delta_r(combinations.i0, combinations.i1) < 0.5).any()])
コード例 #3
0
ファイル: test_issues.py プロジェクト: scikit-hep/uproot3
 def test_issue367(self):
     t = uproot3.open("tests/samples/issue367.root")["tree"]
     assert awkward0.fromiter(
         t.array("weights.second"))[0].counts.tolist() == [
             1000, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
             10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1000, 1000,
             1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000, 1000,
             100, 100, 100, 1
         ]
コード例 #4
0
ファイル: test_jagged.py プロジェクト: scikit-hep/awkward-0.x
    def test_jagged_cross_argnested(self):
        a = awkward0.fromiter([[1.1, 2.2, 3.3], [], [4.4, 5.5]])
        b = awkward0.fromiter([[100, 200], [300], [400]])
        c = awkward0.fromiter([[999], [999], [999, 888]])

        assert a.cross(b).tolist() == [[(1.1, 100), (1.1, 200), (2.2, 100), (2.2, 200), (3.3, 100), (3.3, 200)], [], [(4.4, 400), (5.5, 400)]]
        assert a.argcross(b).tolist() == [[(0, 0), (0, 1), (1, 0), (1, 1), (2, 0), (2, 1)], [], [(0, 0), (1, 0)]]
        assert a.cross(b, nested=True).tolist() == [[[(1.1, 100), (1.1, 200)], [(2.2, 100), (2.2, 200)], [(3.3, 100), (3.3, 200)]], [], [[(4.4, 400)], [(5.5, 400)]]]
        assert a.argcross(b, nested=True).tolist() == [[[(0, 0), (0, 1)], [(1, 0), (1, 1)], [(2, 0), (2, 1)]], [], [[(0, 0)], [(1, 0)]]]

        assert a.cross(b, nested=True).cross(c, nested=True).tolist()[0] == [[[(ai, bi, ci) for ci in c[0]] for bi in b[0]] for ai in a[0]]
        assert a.cross(b, nested=True).cross(c, nested=True).tolist()[1] == [[[(ai, bi, ci) for ci in c[1]] for bi in b[1]] for ai in a[1]]
        assert a.cross(b, nested=True).cross(c, nested=True).tolist()[2] == [[[(ai, bi, ci) for ci in c[2]] for bi in b[2]] for ai in a[2]]

        assert a.cross(b).cross(c).tolist() == [[(1.1, 100, 999), (1.1, 200, 999), (2.2, 100, 999), (2.2, 200, 999), (3.3, 100, 999), (3.3, 200, 999)], [], [(4.4, 400, 999), (4.4, 400, 888), (5.5, 400, 999), (5.5, 400, 888)]]
        assert a.cross(b, nested=True).cross(c).tolist() == [[[(1.1, 100, 999), (1.1, 200, 999)], [(2.2, 100, 999), (2.2, 200, 999)], [(3.3, 100, 999), (3.3, 200, 999)]], [], [[(4.4, 400, 999), (4.4, 400, 888)], [(5.5, 400, 999), (5.5, 400, 888)]]]
        assert a.cross(b).cross(c, nested=True).tolist() == [[[(1.1, 100, 999)], [(1.1, 200, 999)], [(2.2, 100, 999)], [(2.2, 200, 999)], [(3.3, 100, 999)], [(3.3, 200, 999)]], [], [[(4.4, 400, 999), (4.4, 400, 888)], [(5.5, 400, 999), (5.5, 400, 888)]]]

        a = awkward0.fromiter([[1.1, 2.2, 3.3], [], [4.4, 5.5]])
        b = awkward0.fromiter([[100, 200], [300], [400]])
        c = awkward0.fromiter([[999], [999], [999, 888, 777]])

        assert a.cross(b, nested=True).cross(c, nested=True).tolist()[0] == [[[(ai, bi, ci) for ci in c[0]] for bi in b[0]] for ai in a[0]]
        assert a.cross(b, nested=True).cross(c, nested=True).tolist()[1] == [[[(ai, bi, ci) for ci in c[1]] for bi in b[1]] for ai in a[1]]
        assert a.cross(b, nested=True).cross(c, nested=True).tolist()[2] == [[[(ai, bi, ci) for ci in c[2]] for bi in b[2]] for ai in a[2]]

        assert a.cross(b).cross(c).tolist() == [[(1.1, 100, 999), (1.1, 200, 999), (2.2, 100, 999), (2.2, 200, 999), (3.3, 100, 999), (3.3, 200, 999)], [], [(4.4, 400, 999), (4.4, 400, 888), (4.4, 400, 777), (5.5, 400, 999), (5.5, 400, 888), (5.5, 400, 777)]]
        assert a.cross(b, nested=True).cross(c).tolist() == [[[(1.1, 100, 999), (1.1, 200, 999)], [(2.2, 100, 999), (2.2, 200, 999)], [(3.3, 100, 999), (3.3, 200, 999)]], [], [[(4.4, 400, 999), (4.4, 400, 888), (4.4, 400, 777)], [(5.5, 400, 999), (5.5, 400, 888), (5.5, 400, 777)]]]
        assert a.cross(b).cross(c, nested=True).tolist() == [[[(1.1, 100, 999)], [(1.1, 200, 999)], [(2.2, 100, 999)], [(2.2, 200, 999)], [(3.3, 100, 999)], [(3.3, 200, 999)]], [], [[(4.4, 400, 999), (4.4, 400, 888), (4.4, 400, 777)], [(5.5, 400, 999), (5.5, 400, 888), (5.5, 400, 777)]]]
コード例 #5
0
ファイル: test_jagged.py プロジェクト: scikit-hep/awkward-0.x
 def test_jagged_zip(self):
     a = awkward0.fromiter([[1.1, 2.2, 3.3], [], [4.4, 5.5]])
     b = awkward0.JaggedArray([1, 5, 5], [4, 5, 7], [999, 10, 20, 30, 999, 40, 50, 999])
     c = numpy.array([100, 200, 300])
     d = 1000
     assert awkward0.JaggedArray.zip(one=a, two=b).tolist() == [[{"one": 1.1, "two": 10}, {"one": 2.2, "two": 20}, {"one": 3.3, "two": 30}], [], [{"one": 4.4, "two": 40}, {"one": 5.5, "two": 50}]]
     assert awkward0.JaggedArray.zip(one=b, two=a).tolist() == [[{"one": 10, "two": 1.1}, {"one": 20, "two": 2.2}, {"one": 30, "two": 3.3}], [], [{"one": 40, "two": 4.4}, {"one": 50, "two": 5.5}]]
     assert awkward0.JaggedArray.zip(one=b, two=c).tolist() == [[{"one": 10, "two": 100}, {"one": 20, "two": 100}, {"one": 30, "two": 100}], [], [{"one": 40, "two": 300}, {"one": 50, "two": 300}]]
     assert awkward0.JaggedArray.zip(one=b, two=d).tolist() == [[{"one": 10, "two": 1000}, {"one": 20, "two": 1000}, {"one": 30, "two": 1000}], [], [{"one": 40, "two": 1000}, {"one": 50, "two": 1000}]]
     assert a.zip(b).tolist() == [[(1.1, 10), (2.2, 20), (3.3, 30)], [], [(4.4, 40), (5.5, 50)]]
     assert b.zip(a).tolist() == [[(10, 1.1), (20, 2.2), (30, 3.3)], [], [(40, 4.4), (50, 5.5)]]
     assert b.zip(c).tolist() == [[(10, 100), (20, 100), (30, 100)], [], [(40, 300), (50, 300)]]
     assert b.zip(d).tolist() == [[(10, 1000), (20, 1000), (30, 1000)], [], [(40, 1000), (50, 1000)]]
コード例 #6
0
    def test_physics_matching(self):
        gen_pt = awkward0.fromiter([[10.0, 20.0, 30.0], [], [40.0, 50.0]])
        reco_pt = awkward0.fromiter([[20.2, 10.1, 30.3, 50.5], [50.5], [50.5]])

        gen_eta = awkward0.fromiter([[-3.0, -2.0, 2.0], [], [-1.0, 1.0]])
        reco_eta = awkward0.fromiter([[-2.2, -3.3, 2.2, 0.0], [0.0], [1.1]])

        gen_phi = awkward0.fromiter([[-1.5, 0.0, 1.5], [], [0.78, -0.78]])
        reco_phi = awkward0.fromiter([[0.1, -1.4, 1.4, 0.78], [0.78], [-0.77]])

        gen = uproot_methods.TLorentzVectorArray.from_ptetaphim(
            gen_pt, gen_eta, gen_phi, 0.2)
        reco = uproot_methods.TLorentzVectorArray.from_ptetaphim(
            reco_pt, reco_eta, reco_phi, 0.2)

        ("gen", gen)
        ("reco", reco)

        ("gen.cross(reco)", gen.cross(reco))

        pairing = gen.cross(reco, nested=True)
        ("pairing = gen.cross(reco, nested=True)", gen.cross(reco,
                                                             nested=True))

        metric = pairing.i0.delta_r(pairing.i1)
        ("metric = pairing.i0.delta_r(pairing.i1)", metric)

        index_of_minimized = metric.argmin()
        ("index_of_minimized = metric.argmin()", index_of_minimized)
        assert index_of_minimized.tolist() == [[[1], [0], [2]], [], [[0], [0]]]

        ("metric[index_of_minimized]", metric[index_of_minimized])

        passes_cut = (metric[index_of_minimized] < 0.5)
        ("passes_cut = (metric[index_of_minimized] < 0.5)", passes_cut)
        assert passes_cut.tolist() == [[[True], [True], [True]], [],
                                       [[False], [True]]]

        best_pairings_that_pass_cut = pairing[index_of_minimized][passes_cut]
        ("best_pairings_that_pass_cut = pairing[index_of_minimized][passes_cut]",
         best_pairings_that_pass_cut)

        genrecos = best_pairings_that_pass_cut.flatten(axis=1)
        ("genrecos = best_pairings_that_pass_cut.flatten(axis=1)", genrecos)

        ("genrecos.counts", genrecos.counts)
        ("gen.counts", gen.counts)
        assert genrecos.counts.tolist() == [3, 0, 1]
        assert gen.counts.tolist() == [3, 0, 2]

        ("genrecos.i0.pt", genrecos.i0.pt)
        ("genrecos.i1.pt", genrecos.i1.pt)
コード例 #7
0
        def make_jets_and_electrons():
            jet_m = awkward0.fromiter([[60.0, 70.0, 80.0], [], [90.0, 100.0]])

            jet_pt = awkward0.fromiter([[10.0, 20.0, 30.0], [], [40.0, 50.0]])
            e_pt = awkward0.fromiter([[20.2, 50.5], [50.5], [50.5]])

            jet_eta = awkward0.fromiter([[-3.0, -2.0, 2.0], [], [-1.0, 1.0]])
            e_eta = awkward0.fromiter([[-2.2, 0.0], [0.0], [1.1]])

            jet_phi = awkward0.fromiter([[-1.5, 0.0, 1.5], [], [0.78, -0.78]])
            e_phi = awkward0.fromiter([[0.1, 0.78], [0.78], [-0.77]])

            jets = uproot_methods.TLorentzVectorArray.from_ptetaphim(
                jet_pt, jet_eta, jet_phi, jet_m)
            electrons = uproot_methods.TLorentzVectorArray.from_ptetaphim(
                e_pt, e_eta, e_phi, 0.000511)

            return jets, electrons
コード例 #8
0
    def test_likenumpy_slices(self):
        print()

        np = numpy.array([[1, 10, 100], [2, 20, 200], [3, 30, 300]])
        aw = awkward0.fromiter(np)

        assert np.tolist() == aw.tolist()
        assert np[:2].tolist() == aw[:2].tolist()
        assert np[:2, :2].tolist() == aw[:2, :2].tolist()
        assert np[:2, 2].tolist() == aw[:2, 2].tolist()
        assert np[2, :2].tolist() == aw[2, :2].tolist()
        assert np[:2, [0, 1]].tolist() == aw[:2, [0, 1]].tolist()
        assert np[[0, 1], :2].tolist() == aw[[0, 1], :2].tolist()
        assert np[:2, [0, 1, 2]].tolist() == aw[:2, [0, 1, 2]].tolist()
        assert np[[0, 1, 2], :2].tolist() == aw[[0, 1, 2], :2].tolist()
        assert np[[0, 1], [0, 1]].tolist() == aw[[0, 1], [0, 1]].tolist()
        assert np[[0, 1, 2], [0, 1, 2]].tolist() == aw[[0, 1, 2], [0, 1, 2]].tolist()
        assert np[:2, [True, False, True]].tolist() == aw[:2, [True, False, True]].tolist()
        assert np[[True, False, True], :2].tolist() == aw[[True, False, True], :2].tolist()
        assert np[[True, False, True], [True, False, True]].tolist() == aw[[True, False, True], [True, False, True]].tolist()

        np = numpy.array([[[1, 10, 100], [2, 20, 200], [3, 30, 300]], [[4, 40, 400], [5, 50, 500], [6, 60, 600]], [[7, 70, 700], [8, 80, 800], [9, 90, 900]]])
        aw = awkward0.fromiter(np)

        assert np.tolist() == aw.tolist()
        assert np[:2].tolist() == aw[:2].tolist()
        assert np[:2, :2].tolist() == aw[:2, :2].tolist()
        assert np[:2, 2].tolist() == aw[:2, 2].tolist()
        assert np[2, :2].tolist() == aw[2, :2].tolist()
        assert np[:2, [0, 1]].tolist() == aw[:2, [0, 1]].tolist()
        assert np[[0, 1], :2].tolist() == aw[[0, 1], :2].tolist()
        assert np[:2, [0, 1, 2]].tolist() == aw[:2, [0, 1, 2]].tolist()
        assert np[[0, 1, 2], :2].tolist() == aw[[0, 1, 2], :2].tolist()
        assert np[[0, 1], [0, 1]].tolist() == aw[[0, 1], [0, 1]].tolist()
        assert np[[0, 1, 2], [0, 1, 2]].tolist() == aw[[0, 1, 2], [0, 1, 2]].tolist()
        assert np[:2, [True, False, True]].tolist() == aw[:2, [True, False, True]].tolist()
        assert np[[True, False, True], :2].tolist() == aw[[True, False, True], :2].tolist()
        assert np[[True, False, True], [True, False, True]].tolist() == aw[[True, False, True], [True, False, True]].tolist()

        assert np[:2, :2, 0].tolist() == aw[:2, :2, 0].tolist()
        assert np[:2, 2, 0].tolist() == aw[:2, 2, 0].tolist()
        assert np[2, :2, 0].tolist() == aw[2, :2, 0].tolist()
        assert np[:2, [0, 1], 0].tolist() == aw[:2, [0, 1], 0].tolist()
        assert np[[0, 1], :2, 0].tolist() == aw[[0, 1], :2, 0].tolist()
        assert np[:2, [0, 1, 2], 0].tolist() == aw[:2, [0, 1, 2], 0].tolist()
        assert np[[0, 1, 2], :2, 0].tolist() == aw[[0, 1, 2], :2, 0].tolist()
        assert np[[0, 1], [0, 1], 0].tolist() == aw[[0, 1], [0, 1], 0].tolist()
        assert np[[0, 1, 2], [0, 1, 2], 0].tolist() == aw[[0, 1, 2], [0, 1, 2], 0].tolist()
        assert np[:2, [True, False, True], 0].tolist() == aw[:2, [True, False, True], 0].tolist()
        assert np[[True, False, True], :2, 0].tolist() == aw[[True, False, True], :2, 0].tolist()
        assert np[[True, False, True], [True, False, True], 0].tolist() == aw[[True, False, True], [True, False, True], 0].tolist()

        assert np[:2, :2, 1].tolist() == aw[:2, :2, 1].tolist()
        assert np[:2, 2, 1].tolist() == aw[:2, 2, 1].tolist()
        assert np[2, :2, 1].tolist() == aw[2, :2, 1].tolist()
        assert np[:2, [0, 1], 1].tolist() == aw[:2, [0, 1], 1].tolist()
        assert np[[0, 1], :2, 1].tolist() == aw[[0, 1], :2, 1].tolist()
        assert np[:2, [0, 1, 2], 1].tolist() == aw[:2, [0, 1, 2], 1].tolist()
        assert np[[0, 1, 2], :2, 1].tolist() == aw[[0, 1, 2], :2, 1].tolist()
        assert np[[0, 1], [0, 1], 1].tolist() == aw[[0, 1], [0, 1], 1].tolist()
        assert np[[0, 1, 2], [0, 1, 2], 1].tolist() == aw[[0, 1, 2], [0, 1, 2], 1].tolist()
        assert np[:2, [True, False, True], 1].tolist() == aw[:2, [True, False, True], 1].tolist()
        assert np[[True, False, True], :2, 1].tolist() == aw[[True, False, True], :2, 1].tolist()
        assert np[[True, False, True], [True, False, True], 1].tolist() == aw[[True, False, True], [True, False, True], 1].tolist()
コード例 #9
0
ファイル: test_jagged.py プロジェクト: scikit-hep/awkward-0.x
 def test_jagged_sort(self):
     a = awkward0.fromiter([[2.,3.,1.], [4., -numpy.inf, 5.], [numpy.inf, 4., numpy.nan, -numpy.inf], [numpy.nan], [3., None, 4., -1.]])
     assert a.argsort().tolist() == [[1, 0, 2], [2, 0, 1], [0, 1, 3, 2], [0], [2, 0, 3]]
     assert a.argsort(True).tolist() == [[2, 0, 1], [1, 0, 2], [3, 1, 0, 2], [0], [3, 0, 2]]
コード例 #10
0
ファイル: test_jagged.py プロジェクト: scikit-hep/awkward-0.x
 def test_jagged_parents(self):
     a = awkward0.fromiter([[1.1, 2.2, 3.3, 4.4, 5.5], [], [6.6, 7.7, 8.8], [9.9]])
     assert a.parents.tolist() == [0, 0, 0, 0, 0, 2, 2, 2, 3]
     b = a[[False, True, False, True]]
     assert b.parents.tolist() == [-1, -1, -1, -1, -1, -1, -1, -1, 1]
コード例 #11
0
ファイル: test_jagged.py プロジェクト: scikit-hep/awkward-0.x
 def test_jagged_localindex(self):
     a = awkward0.fromiter([[1.1, 2.2, 3.3, 4.4, 5.5], [], [6.6, 7.7, 8.8], [9.9]])
     assert a.localindex.tolist() == [[0, 1, 2, 3, 4], [], [0, 1, 2], [0]]
     b = a[[False, True, False, True]]
     assert b.localindex.tolist() == [[], [0]]
コード例 #12
0
ファイル: test_jagged.py プロジェクト: scikit-hep/awkward-0.x
 def test_jagged_fillna(self):
     a = awkward0.fromiter([[1.1, 2.2, 3.3], [], [4.4, 5.5]])
     assert a.pad(4).fillna(999).tolist() == [[1.1, 2.2, 3.3, 999], [999, 999, 999, 999], [4.4, 5.5, 999, 999]]
     assert a.pad(4, numpy.ma.masked).fillna(999).regular().tolist() == [[1.1, 2.2, 3.3, 999], [999, 999, 999, 999], [4.4, 5.5, 999, 999]]
コード例 #13
0
ファイル: test_jagged.py プロジェクト: scikit-hep/awkward-0.x
 def test_jagged_distincts_argnested(self):
     a = awkward0.fromiter([[1.1, 2.2, 3.3], [], [4.4, 5.5]])
     assert a.distincts().tolist() == [[(1.1, 2.2), (1.1, 3.3), (2.2, 3.3)], [], [(4.4, 5.5)]]
     assert a.argdistincts().tolist() == [[(0, 1), (0, 2), (1, 2)], [], [(0, 1)]]
     assert a.distincts(nested=True).tolist() == [[[(1.1, 2.2), (1.1, 3.3)], [(2.2, 3.3)]], [], [[(4.4, 5.5)]]]
     assert a.argdistincts(nested=True).tolist() == [[[(0, 1), (0, 2)], [(1, 2)]], [], [[(0, 1)]]]
コード例 #14
0
ファイル: test_jagged.py プロジェクト: scikit-hep/awkward-0.x
 def test_jagged_pairs_argnested(self):
     a = awkward0.fromiter([[1.1, 2.2, 3.3], [], [4.4, 5.5]])
     assert a.pairs().tolist() == [[(1.1, 1.1), (1.1, 2.2), (1.1, 3.3), (2.2, 2.2), (2.2, 3.3), (3.3, 3.3)], [], [(4.4, 4.4), (4.4, 5.5), (5.5, 5.5)]]
     assert a.argpairs().tolist() == [[(0, 0), (0, 1), (0, 2), (1, 1), (1, 2), (2, 2)], [], [(0, 0), (0, 1), (1, 1)]]
     assert a.pairs(nested=True).tolist() == [[[(1.1, 1.1), (1.1, 2.2), (1.1, 3.3)], [(2.2, 2.2), (2.2, 3.3)], [(3.3, 3.3)]], [], [[(4.4, 4.4), (4.4, 5.5)], [(5.5, 5.5)]]]
     assert a.argpairs(nested=True).tolist() == [[[(0, 0), (0, 1), (0, 2)], [(1, 1), (1, 2)], [(2, 2)]], [], [[(0, 0), (0, 1)], [(1, 1)]]]
コード例 #15
0
        stardicts.append({
            "name": starname,
            "ra": row["star", "right asc. (deg)"],
            "dec": row["star", "declination (deg)"],
            "dist": row["star", "distance (pc)"],
            "mass": row["star", "mass (solar)"],
            "radius": row["star", "radius (solar)"],
            "planets": []
        })
    stardicts[-1]["planets"].append({
        "name": planetname,
        "orbit": row["planet", "orbit (AU)"],
        "eccen": row["planet", "eccen."],
        "period": row["planet", "period (days)"],
        "mass": row["planet", "mass (Jupiter)"],
        "radius": row["planet", "radius (Jupiter)"]
    })

stars = awkward0.fromiter(stardicts)
arrowstars = awkward0.toarrow(stars)

with open("exoplanets.arrow", "wb") as sink:
    writer = pyarrow.RecordBatchFileWriter(sink, arrowstars.schema)
    for batch in arrowstars.to_batches():
        writer.write_batch(batch)
    writer.close()

# to read it back again:
awkward0.fromarrow(
    pyarrow.ipc.open_file(open("exoplanets.arrow", "rb")).get_batch(0))
コード例 #16
0

slices = [
    2,
    slice(None),
    slice(2, 4),
    slice(1, None, 2),
    slice(None, None, -1),
    numpy.array([2, 0, 0]),
    numpy.array([3, 1, 2]),
    numpy.array([True, False, True, True]),
    numpy.array([True, True, True, False])
]

a = numpy.arange(4**4).reshape(4, 4, 4, 4)
a2 = awkward0.fromiter(a)

for x in slices:
    print(x)
    assert a[x, ].tolist() == getitem_enter(a2, (x, )).tolist()
    for y in slices:
        print(x, y)
        assert a[x, y].tolist() == getitem_enter(a2, (x, y)).tolist()
        for z in slices:
            print(x, y, z)
            assert a[x, y, z].tolist() == getitem_enter(a2, (x, y, z)).tolist()

tmp = a2.content.content.content.tolist()
tmp.insert(4, 999)
a2.content.content.stops = a2.content.content.stops.copy()
a2.content.content.starts[1:] += 1