Python numpy.lib.format.ARRAY_ALIGN Examples

The following are 27 code examples of numpy.lib.format.ARRAY_ALIGN(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module numpy.lib.format , or try the search function .
Example #1
Source File: test_format.py    From pySINDy with MIT License 6 votes vote down vote up 
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))
Example #2
Source File: test_format.py    From vnpy_crypto with MIT License 6 votes vote down vote up 
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))
Example #3
Source File: test_format.py    From twitter-stock-recommendation with MIT License 6 votes vote down vote up 
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))
Example #4
Source File: test_format.py    From coffeegrindsize with MIT License 6 votes vote down vote up 
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))
Example #5
Source File: test_format.py    From Mastering-Elasticsearch-7.0 with MIT License 6 votes vote down vote up 
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))
Example #6
Source File: test_format.py    From recruit with Apache License 2.0 6 votes vote down vote up 
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))
Example #7
Source File: test_format.py    From Serverless-Deep-Learning-with-TensorFlow-and-AWS-Lambda with MIT License 6 votes vote down vote up 
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))
Example #8
Source File: test_format.py    From GraphicDesignPatternByPython with MIT License 6 votes vote down vote up 
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))
Example #9
Source File: test_format.py    From predictive-maintenance-using-machine-learning with Apache License 2.0 6 votes vote down vote up 
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))
Example #10
Source File: test_format.py    From pySINDy with MIT License 5 votes vote down vote up 
def test_read_array_header_2_0():
    s = BytesIO()

    arr = np.ones((3, 6), dtype=float)
    format.write_array(s, arr, version=(2, 0))

    s.seek(format.MAGIC_LEN)
    shape, fortran, dtype = format.read_array_header_2_0(s)

    assert_(s.tell() % format.ARRAY_ALIGN == 0)
    assert_((shape, fortran, dtype) == ((3, 6), False, float))
Example #11
Source File: test_format.py    From predictive-maintenance-using-machine-learning with Apache License 2.0 5 votes vote down vote up 
def test_read_array_header_1_0():
    s = BytesIO()

    arr = np.ones((3, 6), dtype=float)
    format.write_array(s, arr, version=(1, 0))

    s.seek(format.MAGIC_LEN)
    shape, fortran, dtype = format.read_array_header_1_0(s)

    assert_(s.tell() % format.ARRAY_ALIGN == 0)
    assert_((shape, fortran, dtype) == ((3, 6), False, float))
Example #12
Source File: test_format.py    From coffeegrindsize with MIT License 5 votes vote down vote up 
def test_read_array_header_1_0():
    s = BytesIO()

    arr = np.ones((3, 6), dtype=float)
    format.write_array(s, arr, version=(1, 0))

    s.seek(format.MAGIC_LEN)
    shape, fortran, dtype = format.read_array_header_1_0(s)

    assert_(s.tell() % format.ARRAY_ALIGN == 0)
    assert_((shape, fortran, dtype) == ((3, 6), False, float))
Example #13
Source File: test_format.py    From coffeegrindsize with MIT License 5 votes vote down vote up 
def test_read_array_header_2_0():
    s = BytesIO()

    arr = np.ones((3, 6), dtype=float)
    format.write_array(s, arr, version=(2, 0))

    s.seek(format.MAGIC_LEN)
    shape, fortran, dtype = format.read_array_header_2_0(s)

    assert_(s.tell() % format.ARRAY_ALIGN == 0)
    assert_((shape, fortran, dtype) == ((3, 6), False, float))
Example #14
Source File: test_format.py    From Serverless-Deep-Learning-with-TensorFlow-and-AWS-Lambda with MIT License 5 votes vote down vote up 
def test_read_array_header_1_0():
    s = BytesIO()

    arr = np.ones((3, 6), dtype=float)
    format.write_array(s, arr, version=(1, 0))

    s.seek(format.MAGIC_LEN)
    shape, fortran, dtype = format.read_array_header_1_0(s)

    assert_(s.tell() % format.ARRAY_ALIGN == 0)
    assert_((shape, fortran, dtype) == ((3, 6), False, float))
Example #15
Source File: test_format.py    From Serverless-Deep-Learning-with-TensorFlow-and-AWS-Lambda with MIT License 5 votes vote down vote up 
def test_read_array_header_2_0():
    s = BytesIO()

    arr = np.ones((3, 6), dtype=float)
    format.write_array(s, arr, version=(2, 0))

    s.seek(format.MAGIC_LEN)
    shape, fortran, dtype = format.read_array_header_2_0(s)

    assert_(s.tell() % format.ARRAY_ALIGN == 0)
    assert_((shape, fortran, dtype) == ((3, 6), False, float))
Example #16
Source File: test_format.py    From twitter-stock-recommendation with MIT License 5 votes vote down vote up 
def test_read_array_header_1_0():
    s = BytesIO()

    arr = np.ones((3, 6), dtype=float)
    format.write_array(s, arr, version=(1, 0))

    s.seek(format.MAGIC_LEN)
    shape, fortran, dtype = format.read_array_header_1_0(s)

    assert_(s.tell() % format.ARRAY_ALIGN == 0)
    assert_((shape, fortran, dtype) == ((3, 6), False, float))
Example #17
Source File: test_format.py    From twitter-stock-recommendation with MIT License 5 votes vote down vote up 
def test_read_array_header_2_0():
    s = BytesIO()

    arr = np.ones((3, 6), dtype=float)
    format.write_array(s, arr, version=(2, 0))

    s.seek(format.MAGIC_LEN)
    shape, fortran, dtype = format.read_array_header_2_0(s)

    assert_(s.tell() % format.ARRAY_ALIGN == 0)
    assert_((shape, fortran, dtype) == ((3, 6), False, float))
Example #18
Source File: test_format.py    From pySINDy with MIT License 5 votes vote down vote up 
def test_read_array_header_1_0():
    s = BytesIO()

    arr = np.ones((3, 6), dtype=float)
    format.write_array(s, arr, version=(1, 0))

    s.seek(format.MAGIC_LEN)
    shape, fortran, dtype = format.read_array_header_1_0(s)

    assert_(s.tell() % format.ARRAY_ALIGN == 0)
    assert_((shape, fortran, dtype) == ((3, 6), False, float))
Example #19
Source File: test_format.py    From predictive-maintenance-using-machine-learning with Apache License 2.0 5 votes vote down vote up 
def test_read_array_header_2_0():
    s = BytesIO()

    arr = np.ones((3, 6), dtype=float)
    format.write_array(s, arr, version=(2, 0))

    s.seek(format.MAGIC_LEN)
    shape, fortran, dtype = format.read_array_header_2_0(s)

    assert_(s.tell() % format.ARRAY_ALIGN == 0)
    assert_((shape, fortran, dtype) == ((3, 6), False, float))
Example #20
Source File: test_format.py    From GraphicDesignPatternByPython with MIT License 5 votes vote down vote up 
def test_read_array_header_2_0():
    s = BytesIO()

    arr = np.ones((3, 6), dtype=float)
    format.write_array(s, arr, version=(2, 0))

    s.seek(format.MAGIC_LEN)
    shape, fortran, dtype = format.read_array_header_2_0(s)

    assert_(s.tell() % format.ARRAY_ALIGN == 0)
    assert_((shape, fortran, dtype) == ((3, 6), False, float))
Example #21
Source File: test_format.py    From GraphicDesignPatternByPython with MIT License 5 votes vote down vote up 
def test_read_array_header_1_0():
    s = BytesIO()

    arr = np.ones((3, 6), dtype=float)
    format.write_array(s, arr, version=(1, 0))

    s.seek(format.MAGIC_LEN)
    shape, fortran, dtype = format.read_array_header_1_0(s)

    assert_(s.tell() % format.ARRAY_ALIGN == 0)
    assert_((shape, fortran, dtype) == ((3, 6), False, float))
Example #22
Source File: test_format.py    From Mastering-Elasticsearch-7.0 with MIT License 5 votes vote down vote up 
def test_read_array_header_2_0():
    s = BytesIO()

    arr = np.ones((3, 6), dtype=float)
    format.write_array(s, arr, version=(2, 0))

    s.seek(format.MAGIC_LEN)
    shape, fortran, dtype = format.read_array_header_2_0(s)

    assert_(s.tell() % format.ARRAY_ALIGN == 0)
    assert_((shape, fortran, dtype) == ((3, 6), False, float))
Example #23
Source File: test_format.py    From Mastering-Elasticsearch-7.0 with MIT License 5 votes vote down vote up 
def test_read_array_header_1_0():
    s = BytesIO()

    arr = np.ones((3, 6), dtype=float)
    format.write_array(s, arr, version=(1, 0))

    s.seek(format.MAGIC_LEN)
    shape, fortran, dtype = format.read_array_header_1_0(s)

    assert_(s.tell() % format.ARRAY_ALIGN == 0)
    assert_((shape, fortran, dtype) == ((3, 6), False, float))
Example #24
Source File: test_format.py    From vnpy_crypto with MIT License 5 votes vote down vote up 
def test_read_array_header_2_0():
    s = BytesIO()

    arr = np.ones((3, 6), dtype=float)
    format.write_array(s, arr, version=(2, 0))

    s.seek(format.MAGIC_LEN)
    shape, fortran, dtype = format.read_array_header_2_0(s)

    assert_(s.tell() % format.ARRAY_ALIGN == 0)
    assert_((shape, fortran, dtype) == ((3, 6), False, float))
Example #25
Source File: test_format.py    From vnpy_crypto with MIT License 5 votes vote down vote up 
def test_read_array_header_1_0():
    s = BytesIO()

    arr = np.ones((3, 6), dtype=float)
    format.write_array(s, arr, version=(1, 0))

    s.seek(format.MAGIC_LEN)
    shape, fortran, dtype = format.read_array_header_1_0(s)

    assert_(s.tell() % format.ARRAY_ALIGN == 0)
    assert_((shape, fortran, dtype) == ((3, 6), False, float))
Example #26
Source File: test_format.py    From recruit with Apache License 2.0 5 votes vote down vote up 
def test_read_array_header_2_0():
    s = BytesIO()

    arr = np.ones((3, 6), dtype=float)
    format.write_array(s, arr, version=(2, 0))

    s.seek(format.MAGIC_LEN)
    shape, fortran, dtype = format.read_array_header_2_0(s)

    assert_(s.tell() % format.ARRAY_ALIGN == 0)
    assert_((shape, fortran, dtype) == ((3, 6), False, float))
Example #27
Source File: test_format.py    From recruit with Apache License 2.0 5 votes vote down vote up 
def test_read_array_header_1_0():
    s = BytesIO()

    arr = np.ones((3, 6), dtype=float)
    format.write_array(s, arr, version=(1, 0))

    s.seek(format.MAGIC_LEN)
    shape, fortran, dtype = format.read_array_header_1_0(s)

    assert_(s.tell() % format.ARRAY_ALIGN == 0)
    assert_((shape, fortran, dtype) == ((3, 6), False, float))