Mercurial > hgrepos > Python2 > PyMuPDF

annotate tests/test_2548.py @ 34:da085c7f52c6

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FIX: In Makerules: check for empty EXTRA_CHECKS also before applying them
author Franz Glasner <fzglas.hg@dom66.de>
date Sun, 21 Sep 2025 18:09:12 +0200
parents 1d09e1dec1d9
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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1 import os
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2
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3 import pymupdf
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4
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5 root = os.path.abspath(f'{__file__}/../..')
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6
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7 def test_2548():
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8 """Text extraction should fail because of PDF structure cycle.
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9
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10 Old MuPDF version did not detect the loop.
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11 """
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12 print(f'test_2548(): {pymupdf.mupdf_version_tuple=}')
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13 pymupdf.TOOLS.mupdf_warnings(reset=True)
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14 doc = pymupdf.open(f'{root}/tests/resources/test_2548.pdf')
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15 e = False
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16 for page in doc:
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17 try:
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18 _ = page.get_text()
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19 except Exception as ee:
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20 print(f'test_2548: {ee=}')
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21 if hasattr(pymupdf, 'mupdf'):
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22 # Rebased.
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23 expected = "RuntimeError('code=2: cycle in structure tree')"
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24 else:
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25 # Classic.
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26 expected = "RuntimeError('cycle in structure tree')"
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27 assert repr(ee) == expected, f'Expected {expected=} but got {repr(ee)=}.'
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28 e = True
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29 wt = pymupdf.TOOLS.mupdf_warnings()
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30 print(f'test_2548(): {wt=}')
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31
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32 # This checks that PyMuPDF 1.23.7 fixes this bug, and also that earlier
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33 # versions with updated MuPDF also fix the bug.
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34 rebased = hasattr(pymupdf, 'mupdf')
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35 if pymupdf.mupdf_version_tuple >= (1, 27):
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36 expected = 'format error: No common ancestor in structure tree\nstructure tree broken, assume tree is missing'
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37 expected = '\n'.join([expected] * 5)
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38 else:
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39 expected = 'format error: cycle in structure tree\nstructure tree broken, assume tree is missing'
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40 if rebased:
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41 assert wt == expected, f'expected:\n {expected!r}\nwt:\n {wt!r}\n'
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42 assert not e