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32 lines
874 B
32 lines
874 B
import pytest
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from pandas.compat._optional import VERSIONS
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import pandas as pd
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from pandas.core.computation.engines import ENGINES
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import pandas.core.computation.expr as expr
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from pandas.util.version import Version
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def test_compat():
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# test we have compat with our version of numexpr
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from pandas.core.computation.check import NUMEXPR_INSTALLED
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ne = pytest.importorskip("numexpr")
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ver = ne.__version__
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if Version(ver) < Version(VERSIONS["numexpr"]):
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assert not NUMEXPR_INSTALLED
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else:
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assert NUMEXPR_INSTALLED
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@pytest.mark.parametrize("engine", ENGINES)
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@pytest.mark.parametrize("parser", expr.PARSERS)
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def test_invalid_numexpr_version(engine, parser):
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if engine == "numexpr":
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pytest.importorskip("numexpr")
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a, b = 1, 2 # noqa:F841
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res = pd.eval("a + b", engine=engine, parser=parser)
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assert res == 3
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