Python print_format_descriptors Examples

Example #1

File: test_numpy_dtypes.py Project: HDembinski/pybind11

def test_format_descriptors():
    from pybind11_tests import get_format_unbound, print_format_descriptors

    with pytest.raises(RuntimeError) as excinfo:
        get_format_unbound()
    assert re.match('^NumPy type info missing for .*UnboundStruct.*$', str(excinfo.value))

    ld = np.dtype('longdouble')
    ldbl_fmt = ('4x' if ld.alignment > 4 else '') + ld.char
    ss_fmt = "^T{?:bool_:3xI:uint_:f:float_:" + ldbl_fmt + ":ldbl_:}"
    dbl = np.dtype('double')
    partial_fmt = ("^T{?:bool_:3xI:uint_:f:float_:" +
                   str(4 * (dbl.alignment > 4) + dbl.itemsize + 8 * (ld.alignment > 8)) +
                   "xg:ldbl_:}")
    nested_extra = str(max(8, ld.alignment))
    assert print_format_descriptors() == [
        ss_fmt,
        "^T{?:bool_:I:uint_:f:float_:g:ldbl_:}",
        "^T{" + ss_fmt + ":a:^T{?:bool_:I:uint_:f:float_:g:ldbl_:}:b:}",
        partial_fmt,
        "^T{" + nested_extra + "x" + partial_fmt + ":a:" + nested_extra + "x}",
        "^T{3s:a:3s:b:}",
        "^T{(3)4s:a:(2)i:b:(3)B:c:1x(4, 2)f:d:}",
        '^T{q:e1:B:e2:}',
        '^T{Zf:cflt:Zd:cdbl:}'
    ]

Example #2

def test_format_descriptors():
    from pybind11_tests import get_format_unbound, print_format_descriptors

    with pytest.raises(RuntimeError) as excinfo:
        get_format_unbound()
    assert 'unsupported buffer format' in str(excinfo.value)

    assert print_format_descriptors() == [
        "T{=?:x:3x=I:y:=f:z:}", "T{=?:x:=I:y:=f:z:}",
        "T{=T{=?:x:3x=I:y:=f:z:}:a:=T{=?:x:=I:y:=f:z:}:b:}",
        "T{=?:x:3x=I:y:=f:z:12x}", "T{8x=T{=?:x:3x=I:y:=f:z:12x}:a:8x}",
        "T{=3s:a:=3s:b:}"
    ]

Example #3

File: test_numpy_dtypes.py Project: iRath96/variance-aware-path-guiding

def test_format_descriptors():
    from pybind11_tests import get_format_unbound, print_format_descriptors

    with pytest.raises(RuntimeError) as excinfo:
        get_format_unbound()
    assert re.match('^NumPy type info missing for .*UnboundStruct.*$',
                    str(excinfo.value))

    assert print_format_descriptors() == [
        "T{?:x:3xI:y:f:z:}", "T{?:x:=I:y:=f:z:}",
        "T{T{?:x:3xI:y:f:z:}:a:T{?:x:=I:y:=f:z:}:b:}", "T{?:x:3xI:y:f:z:12x}",
        "T{8xT{?:x:3xI:y:f:z:12x}:a:8x}", "T{3s:a:3s:b:}", 'T{q:e1:B:e2:}'
    ]

Example #4

File: test_numpy_dtypes.py Project: aldanor/pybind11

def test_format_descriptors():
    from pybind11_tests import get_format_unbound, print_format_descriptors

    with pytest.raises(RuntimeError) as excinfo:
        get_format_unbound()
    assert re.match('^NumPy type info missing for .*UnboundStruct.*$', str(excinfo.value))

    assert print_format_descriptors() == [
        "T{=?:x:3x=I:y:=f:z:}",
        "T{=?:x:=I:y:=f:z:}",
        "T{=T{=?:x:3x=I:y:=f:z:}:a:=T{=?:x:=I:y:=f:z:}:b:}",
        "T{=?:x:3x=I:y:=f:z:12x}",
        "T{8x=T{=?:x:3x=I:y:=f:z:12x}:a:8x}",
        "T{=3s:a:=3s:b:}",
        'T{=q:e1:=B:e2:}'
    ]

Example #5

File: test_numpy_dtypes.py Project: fevangelista/pyWicked

def test_format_descriptors():
    from pybind11_tests import get_format_unbound, print_format_descriptors

    with pytest.raises(RuntimeError) as excinfo:
        get_format_unbound()
    assert 'unsupported buffer format' in str(excinfo.value)

    assert print_format_descriptors() == [
        "T{=?:x:3x=I:y:=f:z:}",
        "T{=?:x:=I:y:=f:z:}",
        "T{=T{=?:x:3x=I:y:=f:z:}:a:=T{=?:x:=I:y:=f:z:}:b:}",
        "T{=?:x:3x=I:y:=f:z:12x}",
        "T{8x=T{=?:x:3x=I:y:=f:z:12x}:a:8x}",
        "T{=3s:a:=3s:b:}",
        'T{=q:e1:=B:e2:}'
    ]

Example #6

File: test_numpy_dtypes.py Project: rhl-/random_forest

def test_format_descriptors():
    from pybind11_tests import get_format_unbound, print_format_descriptors

    with pytest.raises(RuntimeError) as excinfo:
        get_format_unbound()
    assert re.match('^NumPy type info missing for .*UnboundStruct.*$',
                    str(excinfo.value))

    ld = np.dtype('longdouble')
    ldbl_fmt = ('4x' if ld.alignment > 4 else '') + ld.char
    ss_fmt = "T{?:bool_:3xI:uint_:f:float_:" + ldbl_fmt + ":ldbl_:}"
    dbl = np.dtype('double')
    partial_fmt = ("T{?:bool_:3xI:uint_:f:float_:" +
                   str(4 * (dbl.alignment > 4) + dbl.itemsize + 8 *
                       (ld.alignment > 8)) + "xg:ldbl_:}")
    nested_extra = str(max(8, ld.alignment))
    assert print_format_descriptors() == [
        ss_fmt, "T{?:bool_:^I:uint_:^f:float_:^g:ldbl_:}",
        "T{" + ss_fmt + ":a:T{?:bool_:^I:uint_:^f:float_:^g:ldbl_:}:b:}",
        partial_fmt,
        "T{" + nested_extra + "x" + partial_fmt + ":a:" + nested_extra + "x}",
        "T{3s:a:3s:b:}", 'T{q:e1:B:e2:}'
    ]