593 lines
20 KiB
Python
593 lines
20 KiB
Python
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import pytest
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import textwrap
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from numpy.testing import assert_array_equal, assert_equal, assert_raises
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import numpy as np
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from numpy.f2py.tests import util
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class TestCharacterString(util.F2PyTest):
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# options = ['--debug-capi', '--build-dir', '/tmp/test-build-f2py']
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suffix = '.f90'
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fprefix = 'test_character_string'
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length_list = ['1', '3', 'star']
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code = ''
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for length in length_list:
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fsuffix = length
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clength = dict(star='(*)').get(length, length)
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code += textwrap.dedent(f"""
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subroutine {fprefix}_input_{fsuffix}(c, o, n)
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character*{clength}, intent(in) :: c
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integer n
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!f2py integer, depend(c), intent(hide) :: n = slen(c)
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integer*1, dimension(n) :: o
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!f2py intent(out) o
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o = transfer(c, o)
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end subroutine {fprefix}_input_{fsuffix}
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subroutine {fprefix}_output_{fsuffix}(c, o, n)
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character*{clength}, intent(out) :: c
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integer n
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integer*1, dimension(n), intent(in) :: o
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!f2py integer, depend(o), intent(hide) :: n = len(o)
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c = transfer(o, c)
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end subroutine {fprefix}_output_{fsuffix}
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subroutine {fprefix}_array_input_{fsuffix}(c, o, m, n)
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integer m, i, n
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character*{clength}, intent(in), dimension(m) :: c
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!f2py integer, depend(c), intent(hide) :: m = len(c)
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!f2py integer, depend(c), intent(hide) :: n = f2py_itemsize(c)
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integer*1, dimension(m, n), intent(out) :: o
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do i=1,m
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o(i, :) = transfer(c(i), o(i, :))
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end do
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end subroutine {fprefix}_array_input_{fsuffix}
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subroutine {fprefix}_array_output_{fsuffix}(c, o, m, n)
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character*{clength}, intent(out), dimension(m) :: c
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integer n
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integer*1, dimension(m, n), intent(in) :: o
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!f2py character(f2py_len=n) :: c
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!f2py integer, depend(o), intent(hide) :: m = len(o)
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!f2py integer, depend(o), intent(hide) :: n = shape(o, 1)
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do i=1,m
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c(i) = transfer(o(i, :), c(i))
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end do
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end subroutine {fprefix}_array_output_{fsuffix}
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subroutine {fprefix}_2d_array_input_{fsuffix}(c, o, m1, m2, n)
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integer m1, m2, i, j, n
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character*{clength}, intent(in), dimension(m1, m2) :: c
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!f2py integer, depend(c), intent(hide) :: m1 = len(c)
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!f2py integer, depend(c), intent(hide) :: m2 = shape(c, 1)
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!f2py integer, depend(c), intent(hide) :: n = f2py_itemsize(c)
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integer*1, dimension(m1, m2, n), intent(out) :: o
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do i=1,m1
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do j=1,m2
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o(i, j, :) = transfer(c(i, j), o(i, j, :))
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end do
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end do
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end subroutine {fprefix}_2d_array_input_{fsuffix}
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""")
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@pytest.mark.parametrize("length", length_list)
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def test_input(self, length):
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fsuffix = {'(*)': 'star'}.get(length, length)
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f = getattr(self.module, self.fprefix + '_input_' + fsuffix)
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a = {'1': 'a', '3': 'abc', 'star': 'abcde' * 3}[length]
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assert_array_equal(f(a), np.array(list(map(ord, a)), dtype='u1'))
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@pytest.mark.parametrize("length", length_list[:-1])
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def test_output(self, length):
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fsuffix = length
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f = getattr(self.module, self.fprefix + '_output_' + fsuffix)
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a = {'1': 'a', '3': 'abc'}[length]
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assert_array_equal(f(np.array(list(map(ord, a)), dtype='u1')),
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a.encode())
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@pytest.mark.parametrize("length", length_list)
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def test_array_input(self, length):
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fsuffix = length
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f = getattr(self.module, self.fprefix + '_array_input_' + fsuffix)
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a = np.array([{'1': 'a', '3': 'abc', 'star': 'abcde' * 3}[length],
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{'1': 'A', '3': 'ABC', 'star': 'ABCDE' * 3}[length],
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], dtype='S')
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expected = np.array([[c for c in s] for s in a], dtype='u1')
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assert_array_equal(f(a), expected)
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@pytest.mark.parametrize("length", length_list)
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def test_array_output(self, length):
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fsuffix = length
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f = getattr(self.module, self.fprefix + '_array_output_' + fsuffix)
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expected = np.array(
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[{'1': 'a', '3': 'abc', 'star': 'abcde' * 3}[length],
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{'1': 'A', '3': 'ABC', 'star': 'ABCDE' * 3}[length]], dtype='S')
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a = np.array([[c for c in s] for s in expected], dtype='u1')
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assert_array_equal(f(a), expected)
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@pytest.mark.parametrize("length", length_list)
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def test_2d_array_input(self, length):
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fsuffix = length
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f = getattr(self.module, self.fprefix + '_2d_array_input_' + fsuffix)
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a = np.array([[{'1': 'a', '3': 'abc', 'star': 'abcde' * 3}[length],
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{'1': 'A', '3': 'ABC', 'star': 'ABCDE' * 3}[length]],
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[{'1': 'f', '3': 'fgh', 'star': 'fghij' * 3}[length],
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{'1': 'F', '3': 'FGH', 'star': 'FGHIJ' * 3}[length]]],
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dtype='S')
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expected = np.array([[[c for c in item] for item in row] for row in a],
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dtype='u1', order='F')
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assert_array_equal(f(a), expected)
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class TestCharacter(util.F2PyTest):
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# options = ['--debug-capi', '--build-dir', '/tmp/test-build-f2py']
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suffix = '.f90'
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fprefix = 'test_character'
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code = textwrap.dedent(f"""
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subroutine {fprefix}_input(c, o)
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character, intent(in) :: c
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integer*1 o
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!f2py intent(out) o
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o = transfer(c, o)
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end subroutine {fprefix}_input
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subroutine {fprefix}_output(c, o)
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character :: c
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integer*1, intent(in) :: o
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!f2py intent(out) c
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c = transfer(o, c)
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end subroutine {fprefix}_output
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subroutine {fprefix}_input_output(c, o)
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character, intent(in) :: c
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character o
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!f2py intent(out) o
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o = c
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end subroutine {fprefix}_input_output
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subroutine {fprefix}_inout(c, n)
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character :: c, n
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!f2py intent(in) n
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!f2py intent(inout) c
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c = n
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end subroutine {fprefix}_inout
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function {fprefix}_return(o) result (c)
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character :: c
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character, intent(in) :: o
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c = transfer(o, c)
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end function {fprefix}_return
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subroutine {fprefix}_array_input(c, o)
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character, intent(in) :: c(3)
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integer*1 o(3)
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!f2py intent(out) o
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integer i
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do i=1,3
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o(i) = transfer(c(i), o(i))
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end do
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end subroutine {fprefix}_array_input
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subroutine {fprefix}_2d_array_input(c, o)
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character, intent(in) :: c(2, 3)
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integer*1 o(2, 3)
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!f2py intent(out) o
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integer i, j
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do i=1,2
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do j=1,3
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o(i, j) = transfer(c(i, j), o(i, j))
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end do
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end do
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end subroutine {fprefix}_2d_array_input
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subroutine {fprefix}_array_output(c, o)
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character :: c(3)
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integer*1, intent(in) :: o(3)
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!f2py intent(out) c
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do i=1,3
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c(i) = transfer(o(i), c(i))
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end do
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end subroutine {fprefix}_array_output
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subroutine {fprefix}_array_inout(c, n)
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character :: c(3), n(3)
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!f2py intent(in) n(3)
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!f2py intent(inout) c(3)
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do i=1,3
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c(i) = n(i)
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end do
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end subroutine {fprefix}_array_inout
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subroutine {fprefix}_2d_array_inout(c, n)
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character :: c(2, 3), n(2, 3)
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!f2py intent(in) n(2, 3)
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!f2py intent(inout) c(2. 3)
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integer i, j
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do i=1,2
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do j=1,3
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c(i, j) = n(i, j)
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end do
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end do
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end subroutine {fprefix}_2d_array_inout
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function {fprefix}_array_return(o) result (c)
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character, dimension(3) :: c
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character, intent(in) :: o(3)
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do i=1,3
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c(i) = o(i)
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end do
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end function {fprefix}_array_return
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function {fprefix}_optional(o) result (c)
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character, intent(in) :: o
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!f2py character o = "a"
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character :: c
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c = o
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end function {fprefix}_optional
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""")
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@pytest.mark.parametrize("dtype", ['c', 'S1'])
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def test_input(self, dtype):
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f = getattr(self.module, self.fprefix + '_input')
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assert_equal(f(np.array('a', dtype=dtype)), ord('a'))
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assert_equal(f(np.array(b'a', dtype=dtype)), ord('a'))
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assert_equal(f(np.array(['a'], dtype=dtype)), ord('a'))
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assert_equal(f(np.array('abc', dtype=dtype)), ord('a'))
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assert_equal(f(np.array([['a']], dtype=dtype)), ord('a'))
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def test_input_varia(self):
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f = getattr(self.module, self.fprefix + '_input')
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assert_equal(f('a'), ord('a'))
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assert_equal(f(b'a'), ord(b'a'))
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assert_equal(f(''), 0)
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assert_equal(f(b''), 0)
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assert_equal(f(b'\0'), 0)
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assert_equal(f('ab'), ord('a'))
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assert_equal(f(b'ab'), ord('a'))
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assert_equal(f(['a']), ord('a'))
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assert_equal(f(np.array(b'a')), ord('a'))
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assert_equal(f(np.array([b'a'])), ord('a'))
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a = np.array('a')
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assert_equal(f(a), ord('a'))
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a = np.array(['a'])
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assert_equal(f(a), ord('a'))
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try:
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f([])
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except IndexError as msg:
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if not str(msg).endswith(' got 0-list'):
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raise
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else:
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raise SystemError(f'{f.__name__} should have failed on empty list')
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try:
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f(97)
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except TypeError as msg:
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if not str(msg).endswith(' got int instance'):
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raise
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else:
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raise SystemError(f'{f.__name__} should have failed on int value')
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@pytest.mark.parametrize("dtype", ['c', 'S1', 'U1'])
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def test_array_input(self, dtype):
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f = getattr(self.module, self.fprefix + '_array_input')
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assert_array_equal(f(np.array(['a', 'b', 'c'], dtype=dtype)),
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np.array(list(map(ord, 'abc')), dtype='i1'))
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assert_array_equal(f(np.array([b'a', b'b', b'c'], dtype=dtype)),
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np.array(list(map(ord, 'abc')), dtype='i1'))
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def test_array_input_varia(self):
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f = getattr(self.module, self.fprefix + '_array_input')
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assert_array_equal(f(['a', 'b', 'c']),
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np.array(list(map(ord, 'abc')), dtype='i1'))
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assert_array_equal(f([b'a', b'b', b'c']),
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np.array(list(map(ord, 'abc')), dtype='i1'))
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try:
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f(['a', 'b', 'c', 'd'])
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except ValueError as msg:
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if not str(msg).endswith(
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'th dimension must be fixed to 3 but got 4'):
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raise
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else:
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raise SystemError(
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f'{f.__name__} should have failed on wrong input')
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@pytest.mark.parametrize("dtype", ['c', 'S1', 'U1'])
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def test_2d_array_input(self, dtype):
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f = getattr(self.module, self.fprefix + '_2d_array_input')
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a = np.array([['a', 'b', 'c'],
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['d', 'e', 'f']], dtype=dtype, order='F')
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expected = a.view(np.uint32 if dtype == 'U1' else np.uint8)
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assert_array_equal(f(a), expected)
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def test_output(self):
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f = getattr(self.module, self.fprefix + '_output')
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assert_equal(f(ord(b'a')), b'a')
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assert_equal(f(0), b'\0')
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def test_array_output(self):
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f = getattr(self.module, self.fprefix + '_array_output')
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assert_array_equal(f(list(map(ord, 'abc'))),
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np.array(list('abc'), dtype='S1'))
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def test_input_output(self):
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f = getattr(self.module, self.fprefix + '_input_output')
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assert_equal(f(b'a'), b'a')
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assert_equal(f('a'), b'a')
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assert_equal(f(''), b'\0')
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||
|
|
|
||
|
|
@pytest.mark.parametrize("dtype", ['c', 'S1'])
|
||
|
|
def test_inout(self, dtype):
|
||
|
|
f = getattr(self.module, self.fprefix + '_inout')
|
||
|
|
|
||
|
|
a = np.array(list('abc'), dtype=dtype)
|
||
|
|
f(a, 'A')
|
||
|
|
assert_array_equal(a, np.array(list('Abc'), dtype=a.dtype))
|
||
|
|
f(a[1:], 'B')
|
||
|
|
assert_array_equal(a, np.array(list('ABc'), dtype=a.dtype))
|
||
|
|
|
||
|
|
a = np.array(['abc'], dtype=dtype)
|
||
|
|
f(a, 'A')
|
||
|
|
assert_array_equal(a, np.array(['Abc'], dtype=a.dtype))
|
||
|
|
|
||
|
|
def test_inout_varia(self):
|
||
|
|
f = getattr(self.module, self.fprefix + '_inout')
|
||
|
|
a = np.array('abc', dtype='S3')
|
||
|
|
f(a, 'A')
|
||
|
|
assert_array_equal(a, np.array('Abc', dtype=a.dtype))
|
||
|
|
|
||
|
|
a = np.array(['abc'], dtype='S3')
|
||
|
|
f(a, 'A')
|
||
|
|
assert_array_equal(a, np.array(['Abc'], dtype=a.dtype))
|
||
|
|
|
||
|
|
try:
|
||
|
|
f('abc', 'A')
|
||
|
|
except ValueError as msg:
|
||
|
|
if not str(msg).endswith(' got 3-str'):
|
||
|
|
raise
|
||
|
|
else:
|
||
|
|
raise SystemError(f'{f.__name__} should have failed on str value')
|
||
|
|
|
||
|
|
@pytest.mark.parametrize("dtype", ['c', 'S1'])
|
||
|
|
def test_array_inout(self, dtype):
|
||
|
|
f = getattr(self.module, self.fprefix + '_array_inout')
|
||
|
|
n = np.array(['A', 'B', 'C'], dtype=dtype, order='F')
|
||
|
|
|
||
|
|
a = np.array(['a', 'b', 'c'], dtype=dtype, order='F')
|
||
|
|
f(a, n)
|
||
|
|
assert_array_equal(a, n)
|
||
|
|
|
||
|
|
a = np.array(['a', 'b', 'c', 'd'], dtype=dtype)
|
||
|
|
f(a[1:], n)
|
||
|
|
assert_array_equal(a, np.array(['a', 'A', 'B', 'C'], dtype=dtype))
|
||
|
|
|
||
|
|
a = np.array([['a', 'b', 'c']], dtype=dtype, order='F')
|
||
|
|
f(a, n)
|
||
|
|
assert_array_equal(a, np.array([['A', 'B', 'C']], dtype=dtype))
|
||
|
|
|
||
|
|
a = np.array(['a', 'b', 'c', 'd'], dtype=dtype, order='F')
|
||
|
|
try:
|
||
|
|
f(a, n)
|
||
|
|
except ValueError as msg:
|
||
|
|
if not str(msg).endswith(
|
||
|
|
'th dimension must be fixed to 3 but got 4'):
|
||
|
|
raise
|
||
|
|
else:
|
||
|
|
raise SystemError(
|
||
|
|
f'{f.__name__} should have failed on wrong input')
|
||
|
|
|
||
|
|
@pytest.mark.parametrize("dtype", ['c', 'S1'])
|
||
|
|
def test_2d_array_inout(self, dtype):
|
||
|
|
f = getattr(self.module, self.fprefix + '_2d_array_inout')
|
||
|
|
n = np.array([['A', 'B', 'C'],
|
||
|
|
['D', 'E', 'F']],
|
||
|
|
dtype=dtype, order='F')
|
||
|
|
a = np.array([['a', 'b', 'c'],
|
||
|
|
['d', 'e', 'f']],
|
||
|
|
dtype=dtype, order='F')
|
||
|
|
f(a, n)
|
||
|
|
assert_array_equal(a, n)
|
||
|
|
|
||
|
|
def test_return(self):
|
||
|
|
f = getattr(self.module, self.fprefix + '_return')
|
||
|
|
|
||
|
|
assert_equal(f('a'), b'a')
|
||
|
|
|
||
|
|
@pytest.mark.skip('fortran function returning array segfaults')
|
||
|
|
def test_array_return(self):
|
||
|
|
f = getattr(self.module, self.fprefix + '_array_return')
|
||
|
|
|
||
|
|
a = np.array(list('abc'), dtype='S1')
|
||
|
|
assert_array_equal(f(a), a)
|
||
|
|
|
||
|
|
def test_optional(self):
|
||
|
|
f = getattr(self.module, self.fprefix + '_optional')
|
||
|
|
|
||
|
|
assert_equal(f(), b"a")
|
||
|
|
assert_equal(f(b'B'), b"B")
|
||
|
|
|
||
|
|
|
||
|
|
class TestMiscCharacter(util.F2PyTest):
|
||
|
|
# options = ['--debug-capi', '--build-dir', '/tmp/test-build-f2py']
|
||
|
|
suffix = '.f90'
|
||
|
|
fprefix = 'test_misc_character'
|
||
|
|
|
||
|
|
code = textwrap.dedent(f"""
|
||
|
|
subroutine {fprefix}_gh18684(x, y, m)
|
||
|
|
character(len=5), dimension(m), intent(in) :: x
|
||
|
|
character*5, dimension(m), intent(out) :: y
|
||
|
|
integer i, m
|
||
|
|
!f2py integer, intent(hide), depend(x) :: m = f2py_len(x)
|
||
|
|
do i=1,m
|
||
|
|
y(i) = x(i)
|
||
|
|
end do
|
||
|
|
end subroutine {fprefix}_gh18684
|
||
|
|
|
||
|
|
subroutine {fprefix}_gh6308(x, i)
|
||
|
|
integer i
|
||
|
|
!f2py check(i>=0 && i<12) i
|
||
|
|
character*5 name, x
|
||
|
|
common name(12)
|
||
|
|
name(i + 1) = x
|
||
|
|
end subroutine {fprefix}_gh6308
|
||
|
|
|
||
|
|
subroutine {fprefix}_gh4519(x)
|
||
|
|
character(len=*), intent(in) :: x(:)
|
||
|
|
!f2py intent(out) x
|
||
|
|
integer :: i
|
||
|
|
do i=1, size(x)
|
||
|
|
print*, "x(",i,")=", x(i)
|
||
|
|
end do
|
||
|
|
end subroutine {fprefix}_gh4519
|
||
|
|
|
||
|
|
pure function {fprefix}_gh3425(x) result (y)
|
||
|
|
character(len=*), intent(in) :: x
|
||
|
|
character(len=len(x)) :: y
|
||
|
|
integer :: i
|
||
|
|
do i = 1, len(x)
|
||
|
|
j = iachar(x(i:i))
|
||
|
|
if (j>=iachar("a") .and. j<=iachar("z") ) then
|
||
|
|
y(i:i) = achar(j-32)
|
||
|
|
else
|
||
|
|
y(i:i) = x(i:i)
|
||
|
|
endif
|
||
|
|
end do
|
||
|
|
end function {fprefix}_gh3425
|
||
|
|
|
||
|
|
subroutine {fprefix}_character_bc_new(x, y, z)
|
||
|
|
character, intent(in) :: x
|
||
|
|
character, intent(out) :: y
|
||
|
|
!f2py character, depend(x) :: y = x
|
||
|
|
!f2py character, dimension((x=='a'?1:2)), depend(x), intent(out) :: z
|
||
|
|
character, dimension(*) :: z
|
||
|
|
!f2py character, optional, check(x == 'a' || x == 'b') :: x = 'a'
|
||
|
|
!f2py callstatement (*f2py_func)(&x, &y, z)
|
||
|
|
!f2py callprotoargument character*, character*, character*
|
||
|
|
if (y.eq.x) then
|
||
|
|
y = x
|
||
|
|
else
|
||
|
|
y = 'e'
|
||
|
|
endif
|
||
|
|
z(1) = 'c'
|
||
|
|
end subroutine {fprefix}_character_bc_new
|
||
|
|
|
||
|
|
subroutine {fprefix}_character_bc_old(x, y, z)
|
||
|
|
character, intent(in) :: x
|
||
|
|
character, intent(out) :: y
|
||
|
|
!f2py character, depend(x) :: y = x[0]
|
||
|
|
!f2py character, dimension((*x=='a'?1:2)), depend(x), intent(out) :: z
|
||
|
|
character, dimension(*) :: z
|
||
|
|
!f2py character, optional, check(*x == 'a' || x[0] == 'b') :: x = 'a'
|
||
|
|
!f2py callstatement (*f2py_func)(x, y, z)
|
||
|
|
!f2py callprotoargument char*, char*, char*
|
||
|
|
if (y.eq.x) then
|
||
|
|
y = x
|
||
|
|
else
|
||
|
|
y = 'e'
|
||
|
|
endif
|
||
|
|
z(1) = 'c'
|
||
|
|
end subroutine {fprefix}_character_bc_old
|
||
|
|
""")
|
||
|
|
|
||
|
|
def test_gh18684(self):
|
||
|
|
# Test character(len=5) and character*5 usages
|
||
|
|
f = getattr(self.module, self.fprefix + '_gh18684')
|
||
|
|
x = np.array(["abcde", "fghij"], dtype='S5')
|
||
|
|
y = f(x)
|
||
|
|
|
||
|
|
assert_array_equal(x, y)
|
||
|
|
|
||
|
|
def test_gh6308(self):
|
||
|
|
# Test character string array in a common block
|
||
|
|
f = getattr(self.module, self.fprefix + '_gh6308')
|
||
|
|
|
||
|
|
assert_equal(self.module._BLNK_.name.dtype, np.dtype('S5'))
|
||
|
|
assert_equal(len(self.module._BLNK_.name), 12)
|
||
|
|
f("abcde", 0)
|
||
|
|
assert_equal(self.module._BLNK_.name[0], b"abcde")
|
||
|
|
f("12345", 5)
|
||
|
|
assert_equal(self.module._BLNK_.name[5], b"12345")
|
||
|
|
|
||
|
|
def test_gh4519(self):
|
||
|
|
# Test array of assumed length strings
|
||
|
|
f = getattr(self.module, self.fprefix + '_gh4519')
|
||
|
|
|
||
|
|
for x, expected in [
|
||
|
|
('a', dict(shape=(), dtype=np.dtype('S1'))),
|
||
|
|
('text', dict(shape=(), dtype=np.dtype('S4'))),
|
||
|
|
(np.array(['1', '2', '3'], dtype='S1'),
|
||
|
|
dict(shape=(3,), dtype=np.dtype('S1'))),
|
||
|
|
(['1', '2', '34'],
|
||
|
|
dict(shape=(3,), dtype=np.dtype('S2'))),
|
||
|
|
(['', ''], dict(shape=(2,), dtype=np.dtype('S1')))]:
|
||
|
|
r = f(x)
|
||
|
|
for k, v in expected.items():
|
||
|
|
assert_equal(getattr(r, k), v)
|
||
|
|
|
||
|
|
def test_gh3425(self):
|
||
|
|
# Test returning a copy of assumed length string
|
||
|
|
f = getattr(self.module, self.fprefix + '_gh3425')
|
||
|
|
# f is equivalent to bytes.upper
|
||
|
|
|
||
|
|
assert_equal(f('abC'), b'ABC')
|
||
|
|
assert_equal(f(''), b'')
|
||
|
|
assert_equal(f('abC12d'), b'ABC12D')
|
||
|
|
|
||
|
|
@pytest.mark.parametrize("state", ['new', 'old'])
|
||
|
|
def test_character_bc(self, state):
|
||
|
|
f = getattr(self.module, self.fprefix + '_character_bc_' + state)
|
||
|
|
|
||
|
|
c, a = f()
|
||
|
|
assert_equal(c, b'a')
|
||
|
|
assert_equal(len(a), 1)
|
||
|
|
|
||
|
|
c, a = f(b'b')
|
||
|
|
assert_equal(c, b'b')
|
||
|
|
assert_equal(len(a), 2)
|
||
|
|
|
||
|
|
assert_raises(Exception, lambda: f(b'c'))
|
||
|
|
|
||
|
|
|
||
|
|
class TestStringScalarArr(util.F2PyTest):
|
||
|
|
sources = [util.getpath("tests", "src", "string", "scalar_string.f90")]
|
||
|
|
|
||
|
|
@pytest.mark.slow
|
||
|
|
def test_char(self):
|
||
|
|
for out in (self.module.string_test.string,
|
||
|
|
self.module.string_test.string77):
|
||
|
|
expected = ()
|
||
|
|
assert out.shape == expected
|
||
|
|
expected = '|S8'
|
||
|
|
assert out.dtype == expected
|
||
|
|
|
||
|
|
@pytest.mark.slow
|
||
|
|
def test_char_arr(self):
|
||
|
|
for out in (self.module.string_test.strarr,
|
||
|
|
self.module.string_test.strarr77):
|
||
|
|
expected = (5,7)
|
||
|
|
assert out.shape == expected
|
||
|
|
expected = '|S12'
|
||
|
|
assert out.dtype == expected
|