Function test_4179

tests/test_textextract.py:575–661

()

def test_4179():
    if os.environ.get('PYMUPDF_USE_EXTRA') == '0':
        # Looks like Python code doesn't behave same as C++, probably because
        # of the code not being correct for Python's native unicode strings.
        #
        print(f'test_4179(): Not running with PYMUPDF_USE_EXTRA=0 because known to fail.')
        return
    # We check that using TEXT_ACCURATE_BBOXES gives the correct boxes. But
    # this also requires that we disable PyMuPDF quad corrections.
    #
    path = os.path.normpath(f'{__file__}/../../tests/resources/test_4179.pdf')
    
    # Disable anti-aliasing to avoid our drawing of multiple identical bboxes
    # (from normal/accurate bboxes) giving slightly different results.
    aa = pymupdf.mupdf.fz_aa_level()
    uqc = pymupdf._globals.skip_quad_corrections
    pymupdf.TOOLS.set_aa_level(0)
    pymupdf.TOOLS.unset_quad_corrections(True)
    assert pymupdf._globals.skip_quad_corrections
    try:
        with pymupdf.open(path) as document:
            page = document[0]

            char_sqrt = b'\xe2\x88\x9a'.decode()
            
            # Search with defaults.
            bboxes_search = page.search_for(char_sqrt)
            assert len(bboxes_search) == 1
            print(f'bboxes_search[0]:\n    {bboxes_search[0]!r}')
            page.draw_rect(bboxes_search[0], color=(1, 0, 0))
            rms = gentle_compare.rms(bboxes_search[0], (250.0489959716797, 91.93604278564453, 258.34783935546875, 101.34073638916016))
            assert rms < 0.01

            # Search with TEXT_ACCURATE_BBOXES.
            bboxes_search_accurate = page.search_for(
                    char_sqrt,
                    flags = (0
                            | pymupdf.TEXT_DEHYPHENATE
                            | pymupdf.TEXT_PRESERVE_WHITESPACE
                            | pymupdf.TEXT_PRESERVE_LIGATURES
                            | pymupdf.TEXT_MEDIABOX_CLIP
                            | pymupdf.TEXT_ACCURATE_BBOXES
                            ),
                    )
            assert len(bboxes_search_accurate) == 1
            print(f'bboxes_search_accurate[0]\n    {bboxes_search_accurate[0]!r}')
            page.draw_rect(bboxes_search_accurate[0], color=(0, 1, 0))
            rms = gentle_compare.rms(bboxes_search_accurate[0], (250.0489959716797, 99.00948333740234, 258.34783935546875, 108.97208404541016))
            assert rms < 0.01

            # Iterate with TEXT_ACCURATE_BBOXES.
            bboxes_iterate_accurate = list()
            dict_ = page.get_text(
                    'rawdict',
                    flags = pymupdf.TEXT_ACCURATE_BBOXES,
                    )
            linelist = []
            for block in dict_['blocks']: