源码类别
热门源码
 当前位置：源码 > Python源码 >

Python源码示例：numpy.lib.format.read_array()

示例1
def test_version_2_0():
    f = BytesIO()
    # requires more than 2 byte for header
    dt = [(("%d" % i) * 100, float) for i in range(500)]
    d = np.ones(1000, dtype=dt)

    format.write_array(f, d, version=(2, 0))
    with warnings.catch_warnings(record=True) as w:
        warnings.filterwarnings('always', '', UserWarning)
        format.write_array(f, d)
        assert_(w[0].category is UserWarning)

    # check alignment of data portion
    f.seek(0)
    header = f.readline()
    assert_(len(header) % format.ARRAY_ALIGN == 0)

    f.seek(0)
    n = format.read_array(f)
    assert_array_equal(d, n)

    # 1.0 requested but data cannot be saved this way
    assert_raises(ValueError, format.write_array, f, d, (1, 0))
示例2
def test_version_2_0():
    f = BytesIO()
    # requires more than 2 byte for header
    dt = [(("%d" % i) * 100, float) for i in range(500)]
    d = np.ones(1000, dtype=dt)

    format.write_array(f, d, version=(2, 0))
    with warnings.catch_warnings(record=True) as w:
        warnings.filterwarnings('always', '', UserWarning)
        format.write_array(f, d)
        assert_(w[0].category is UserWarning)

    f.seek(0)
    n = format.read_array(f)
    assert_array_equal(d, n)

    # 1.0 requested but data cannot be saved this way
    assert_raises(ValueError, format.write_array, f, d, (1, 0))
示例3
def test_version_2_0():
    f = BytesIO()
    # requires more than 2 byte for header
    dt = [(("%d" % i) * 100, float) for i in range(500)]
    d = np.ones(1000, dtype=dt)

    format.write_array(f, d, version=(2, 0))
    with warnings.catch_warnings(record=True) as w:
        warnings.filterwarnings('always', '', UserWarning)
        format.write_array(f, d)
        assert_(w[0].category is UserWarning)

    f.seek(0)
    n = format.read_array(f)
    assert_array_equal(d, n)

    # 1.0 requested but data cannot be saved this way
    assert_raises(ValueError, format.write_array, f, d, (1, 0))
示例4
def test_version_2_0():
    f = BytesIO()
    # requires more than 2 byte for header
    dt = [(("%d" % i) * 100, float) for i in range(500)]
    d = np.ones(1000, dtype=dt)

    format.write_array(f, d, version=(2, 0))
    with warnings.catch_warnings(record=True) as w:
        warnings.filterwarnings('always', '', UserWarning)
        format.write_array(f, d)
        assert_(w[0].category is UserWarning)

    # check alignment of data portion
    f.seek(0)
    header = f.readline()
    assert_(len(header) % format.ARRAY_ALIGN == 0)

    f.seek(0)
    n = format.read_array(f)
    assert_array_equal(d, n)

    # 1.0 requested but data cannot be saved this way
    assert_raises(ValueError, format.write_array, f, d, (1, 0))
示例5
def test_version_2_0():
    f = BytesIO()
    # requires more than 2 byte for header
    dt = [(("%d" % i) * 100, float) for i in range(500)]
    d = np.ones(1000, dtype=dt)

    format.write_array(f, d, version=(2, 0))
    with warnings.catch_warnings(record=True) as w:
        warnings.filterwarnings('always', '', UserWarning)
        format.write_array(f, d)
        assert_(w[0].category is UserWarning)

    # check alignment of data portion
    f.seek(0)
    header = f.readline()
    assert_(len(header) % format.ARRAY_ALIGN == 0)

    f.seek(0)
    n = format.read_array(f)
    assert_array_equal(d, n)

    # 1.0 requested but data cannot be saved this way
    assert_raises(ValueError, format.write_array, f, d, (1, 0))
示例6
def test_version_2_0():
    f = BytesIO()
    # requires more than 2 byte for header
    dt = [(("%d" % i) * 100, float) for i in range(500)]
    d = np.ones(1000, dtype=dt)

    format.write_array(f, d, version=(2, 0))
    with warnings.catch_warnings(record=True) as w:
        warnings.filterwarnings('always', '', UserWarning)
        format.write_array(f, d)
        assert_(w[0].category is UserWarning)

    # check alignment of data portion
    f.seek(0)
    header = f.readline()
    assert_(len(header) % format.ARRAY_ALIGN == 0)

    f.seek(0)
    n = format.read_array(f)
    assert_array_equal(d, n)

    # 1.0 requested but data cannot be saved this way
    assert_raises(ValueError, format.write_array, f, d, (1, 0))
示例7
def test_version_2_0():
    f = BytesIO()
    # requires more than 2 byte for header
    dt = [(("%d" % i) * 100, float) for i in range(500)]
    d = np.ones(1000, dtype=dt)

    format.write_array(f, d, version=(2, 0))
    with warnings.catch_warnings(record=True) as w:
        warnings.filterwarnings('always', '', UserWarning)
        format.write_array(f, d)
        assert_(w[0].category is UserWarning)

    # check alignment of data portion
    f.seek(0)
    header = f.readline()
    assert_(len(header) % format.ARRAY_ALIGN == 0)

    f.seek(0)
    n = format.read_array(f)
    assert_array_equal(d, n)

    # 1.0 requested but data cannot be saved this way
    assert_raises(ValueError, format.write_array, f, d, (1, 0))
示例8
def test_version_2_0():
    f = BytesIO()
    # requires more than 2 byte for header
    dt = [(("%d" % i) * 100, float) for i in range(500)]
    d = np.ones(1000, dtype=dt)

    format.write_array(f, d, version=(2, 0))
    with warnings.catch_warnings(record=True) as w:
        warnings.filterwarnings('always', '', UserWarning)
        format.write_array(f, d)
        assert_(w[0].category is UserWarning)

    # check alignment of data portion
    f.seek(0)
    header = f.readline()
    assert_(len(header) % format.ARRAY_ALIGN == 0)

    f.seek(0)
    n = format.read_array(f)
    assert_array_equal(d, n)

    # 1.0 requested but data cannot be saved this way
    assert_raises(ValueError, format.write_array, f, d, (1, 0))
示例9
def test_version_2_0():
    f = BytesIO()
    # requires more than 2 byte for header
    dt = [(("%d" % i) * 100, float) for i in range(500)]
    d = np.ones(1000, dtype=dt)

    format.write_array(f, d, version=(2, 0))
    with warnings.catch_warnings(record=True) as w:
        warnings.filterwarnings('always', '', UserWarning)
        format.write_array(f, d)
        assert_(w[0].category is UserWarning)

    f.seek(0)
    n = format.read_array(f)
    assert_array_equal(d, n)

    # 1.0 requested but data cannot be saved this way
    assert_raises(ValueError, format.write_array, f, d, (1, 0))
示例10
def test_version_2_0():
    f = BytesIO()
    # requires more than 2 byte for header
    dt = [(("%d" % i) * 100, float) for i in range(500)]
    d = np.ones(1000, dtype=dt)

    format.write_array(f, d, version=(2, 0))
    with warnings.catch_warnings(record=True) as w:
        warnings.filterwarnings('always', '', UserWarning)
        format.write_array(f, d)
        assert_(w[0].category is UserWarning)

    f.seek(0)
    n = format.read_array(f)
    assert_array_equal(d, n)

    # 1.0 requested but data cannot be saved this way
    assert_raises(ValueError, format.write_array, f, d, (1, 0))
示例11
def test_version_2_0():
    f = BytesIO()
    # requires more than 2 byte for header
    dt = [(("%d" % i) * 100, float) for i in range(500)]
    d = np.ones(1000, dtype=dt)

    format.write_array(f, d, version=(2, 0))
    with warnings.catch_warnings(record=True) as w:
        warnings.filterwarnings('always', '', UserWarning)
        format.write_array(f, d)
        assert_(w[0].category is UserWarning)

    f.seek(0)
    n = format.read_array(f)
    assert_array_equal(d, n)

    # 1.0 requested but data cannot be saved this way
    assert_raises(ValueError, format.write_array, f, d, (1, 0))
示例12
def test_version_2_0():
    f = BytesIO()
    # requires more than 2 byte for header
    dt = [(("%d" % i) * 100, float) for i in range(500)]
    d = np.ones(1000, dtype=dt)

    format.write_array(f, d, version=(2, 0))
    with warnings.catch_warnings(record=True) as w:
        warnings.filterwarnings('always', '', UserWarning)
        format.write_array(f, d)
        assert_(w[0].category is UserWarning)

    # check alignment of data portion
    f.seek(0)
    header = f.readline()
    assert_(len(header) % format.ARRAY_ALIGN == 0)

    f.seek(0)
    n = format.read_array(f)
    assert_array_equal(d, n)

    # 1.0 requested but data cannot be saved this way
    assert_raises(ValueError, format.write_array, f, d, (1, 0))
示例13
def test_version_2_0():
    f = BytesIO()
    # requires more than 2 byte for header
    dt = [(("%d" % i) * 100, float) for i in range(500)]
    d = np.ones(1000, dtype=dt)

    format.write_array(f, d, version=(2, 0))
    with warnings.catch_warnings(record=True) as w:
        warnings.filterwarnings('always', '', UserWarning)
        format.write_array(f, d)
        assert_(w[0].category is UserWarning)

    # check alignment of data portion
    f.seek(0)
    header = f.readline()
    assert_(len(header) % format.ARRAY_ALIGN == 0)

    f.seek(0)
    n = format.read_array(f)
    assert_array_equal(d, n)

    # 1.0 requested but data cannot be saved this way
    assert_raises(ValueError, format.write_array, f, d, (1, 0))
示例14
def test_version_2_0():
    f = BytesIO()
    # requires more than 2 byte for header
    dt = [(("%d" % i) * 100, float) for i in range(500)]
    d = np.ones(1000, dtype=dt)

    format.write_array(f, d, version=(2, 0))
    with warnings.catch_warnings(record=True) as w:
        warnings.filterwarnings('always', '', UserWarning)
        format.write_array(f, d)
        assert_(w[0].category is UserWarning)

    # check alignment of data portion
    f.seek(0)
    header = f.readline()
    assert_(len(header) % format.ARRAY_ALIGN == 0)

    f.seek(0)
    n = format.read_array(f)
    assert_array_equal(d, n)

    # 1.0 requested but data cannot be saved this way
    assert_raises(ValueError, format.write_array, f, d, (1, 0))
示例15
def test_version_2_0():
    f = BytesIO()
    # requires more than 2 byte for header
    dt = [(("%d" % i) * 100, float) for i in range(500)]
    d = np.ones(1000, dtype=dt)

    format.write_array(f, d, version=(2, 0))
    with warnings.catch_warnings(record=True) as w:
        warnings.filterwarnings('always', '', UserWarning)
        format.write_array(f, d)
        assert_(w[0].category is UserWarning)

    f.seek(0)
    n = format.read_array(f)
    assert_array_equal(d, n)

    # 1.0 requested but data cannot be saved this way
    assert_raises(ValueError, format.write_array, f, d, (1, 0))
示例16
def roundtrip(arr):
    f = BytesIO()
    format.write_array(f, arr)
    f2 = BytesIO(f.getvalue())
    arr2 = format.read_array(f2)
    return arr2
示例17
def roundtrip_randsize(arr):
    f = BytesIO()
    format.write_array(f, arr)
    f2 = BytesIOSRandomSize(f.getvalue())
    arr2 = format.read_array(f2)
    return arr2
示例18
def roundtrip_truncated(arr):
    f = BytesIO()
    format.write_array(f, arr)
    #BytesIO is one byte short
    f2 = BytesIO(f.getvalue()[0:-1])
    arr2 = format.read_array(f2)
    return arr2
示例19
def test_read_magic_bad_magic():
    for magic in malformed_magic:
        f = BytesIO(magic)
        assert_raises(ValueError, format.read_array, f)
示例20
def _unpickle_array(bytes):
    arr = read_array(BytesIO(bytes))

    return arr
示例21
def roundtrip(arr):
    f = BytesIO()
    format.write_array(f, arr)
    f2 = BytesIO(f.getvalue())
    arr2 = format.read_array(f2)
    return arr2
示例22
def roundtrip_randsize(arr):
    f = BytesIO()
    format.write_array(f, arr)
    f2 = BytesIOSRandomSize(f.getvalue())
    arr2 = format.read_array(f2)
    return arr2
示例23
def roundtrip_truncated(arr):
    f = BytesIO()
    format.write_array(f, arr)
    #BytesIO is one byte short
    f2 = BytesIO(f.getvalue()[0:-1])
    arr2 = format.read_array(f2)
    return arr2
示例24
def test_read_version_1_0_bad_magic():
    for magic in bad_version_magic + malformed_magic:
        f = BytesIO(magic)
        yield raises(ValueError)(format.read_array), f
示例25
def roundtrip(arr):
    f = BytesIO()
    format.write_array(f, arr)
    f2 = BytesIO(f.getvalue())
    arr2 = format.read_array(f2)
    return arr2
示例26
def roundtrip_randsize(arr):
    f = BytesIO()
    format.write_array(f, arr)
    f2 = BytesIOSRandomSize(f.getvalue())
    arr2 = format.read_array(f2)
    return arr2
示例27
def roundtrip_truncated(arr):
    f = BytesIO()
    format.write_array(f, arr)
    #BytesIO is one byte short
    f2 = BytesIO(f.getvalue()[0:-1])
    arr2 = format.read_array(f2)
    return arr2
示例28
def test_read_version_1_0_bad_magic():
    for magic in bad_version_magic + malformed_magic:
        f = BytesIO(magic)
        yield raises(ValueError)(format.read_array), f
示例29
def roundtrip(arr):
    f = BytesIO()
    format.write_array(f, arr)
    f2 = BytesIO(f.getvalue())
    arr2 = format.read_array(f2)
    return arr2
示例30
def roundtrip_randsize(arr):
    f = BytesIO()
    format.write_array(f, arr)
    f2 = BytesIOSRandomSize(f.getvalue())
    arr2 = format.read_array(f2)
    return arr2