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astropy/Test_Astropy.py

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+"""Device test for astropy 8.0.1 Android wheels (x86_64 + arm64_v8a).
+
+Generated by RIMI.
+
+Runs on-device via the PythonSTB app Scripts folder after installing, in order:
+  numpy 2.5.2, pyerfa 2.0.1.5, astropy-iers-data, packaging, PyYAML,
+  then astropy-8.0.1-cp312-cp312-android_24_<arch>.whl.
+
+Contract: prints [PASS]/[FAIL] per check and exits 0 iff ALL checks pass.
+"""
+
+import io
+import math
+import sys
+
+PASS = 0
+FAIL = 0
+
+
+def check(name, fn):
+    global PASS, FAIL
+    try:
+        fn()
+    except Exception as e:  # noqa: BLE001 - report any failure, never crash
+        FAIL += 1
+        print("[FAIL] %s -- %s: %s" % (name, type(e).__name__, e))
+    else:
+        PASS += 1
+        print("[PASS] %s" % name)
+
+
+def t_import_version():
+    import astropy
+
+    assert astropy.__version__ == "8.0.1", astropy.__version__
+
+
+def t_native_wcs():
+    from astropy.wcs import WCS
+
+    w = WCS(naxis=2)
+    w.wcs.ctype = ["RA---TAN", "DEC--TAN"]
+    assert w.naxis == 2
+
+
+def t_native_iterparser():
+    from astropy.utils.xml import _iterparser  # noqa: F401
+
+
+def t_native_convolve():
+    import numpy as np
+    from astropy.convolution import convolve
+
+    out = convolve(np.ones(9), np.ones(3) / 3.0, boundary="extend")
+    assert abs(float(out[4]) - 1.0) < 1e-12, out[4]
+
+
+def t_native_stats():
+    import numpy as np
+    from astropy.stats import sigma_clip
+
+    r = sigma_clip(np.array([1.0, 1.0, 1.0, 50.0]), sigma=2.0)
+    assert bool(getattr(r, "mask", [False] * 4)[3]) is True
+
+
+def t_native_fits():
+    import numpy as np
+    from astropy.io import fits
+
+    buf = io.BytesIO()
+    fits.PrimaryHDU(data=np.arange(12, dtype=">i2").reshape(3, 4)).writeto(buf)
+    buf.seek(0)
+    with fits.open(buf) as hdul:
+        assert hdul[0].data.shape == (3, 4)
+        assert int(hdul[0].data.sum()) == 66
+
+
+def t_time_object():
+    from astropy.time import Time
+
+    t = Time("2026-01-01T00:00:00", scale="utc")
+    assert t.iso.startswith("2026-01-01"), t.iso
+    assert abs(float(t.unix) - 1767225600.0) < 1.0, t.unix
+    assert str(t.tt.scale) == "tt"
+
+
+def t_units():
+    import astropy.units as u
+
+    assert abs((1.0 * u.m).to_value(u.km) - 0.001) < 1e-15
+    assert abs((90.0 * u.deg).to_value(u.rad) - math.pi / 2) < 1e-12
+    # astrophysical/misc units smoke (solMass, imperial mile, magnitude unit)
+    assert abs((1.0 * u.solMass).to_value(u.kg) - 1.988409870698051e30) / 1.988409870698051e30 < 1e-9
+    assert abs((1.0 * u.imperial.mile).to_value(u.m) - 1609.344) < 1e-9
+
+
+def t_skycoord():
+    from astropy.coordinates import SkyCoord
+    import astropy.units as u
+
+    a = SkyCoord(0.0 * u.deg, 0.0 * u.deg, frame="icrs")
+    b = SkyCoord(0.0 * u.deg, 90.0 * u.deg, frame="icrs")
+    assert abs(a.separation(b).deg - 90.0) < 1e-9
+    g = SkyCoord("10h00m00s", "+30d00m00s", frame="icrs").galactic
+    assert hasattr(g, "l") and hasattr(g, "b")
+
+
+def t_table():
+    from astropy.table import Table
+
+    tab = Table({"a": [1, 2, 3], "b": [4.0, 5.0, 6.0]})
+    assert len(tab) == 3
+    assert tab["a"].sum() == 6
+
+
+def t_votable_ascii():
+    from astropy.io.votable import parse_single_table  # noqa: F401
+    from astropy.io.ascii import cparser  # noqa: F401
+
+
+CHECKS = [
+    ("import astropy, version 8.0.1", t_import_version),
+    ("native wcs._wcs (WCS object)", t_native_wcs),
+    ("native utils.xml._iterparser import", t_native_iterparser),
+    ("native convolution._convolve", t_native_convolve),
+    ("native stats sigma_clip", t_native_stats),
+    ("native io.fits roundtrip", t_native_fits),
+    ("Time object + unix + scale", t_time_object),
+    ("units m/km, deg/rad, solMass, mile", t_units),
+    ("SkyCoord separation + galactic", t_skycoord),
+    ("Table basics", t_table),
+    ("votable/ascii native imports", t_votable_ascii),
+]
+
+
+def main():
+    for name, fn in CHECKS:
+        check(name, fn)
+    print("SUMMARY: %d PASS, %d FAIL" % (PASS, FAIL))
+    return 0 if FAIL == 0 else 1
+
+
+if __name__ == "__main__":
+    sys.exit(main())