Mercurial > hgrepos > Python2 > PyMuPDF

annotate tests/test_tesseract.py @ 39:a6bc019ac0b2 upstream

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
ADD: PyMuPDF v1.26.5: the original sdist.
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 11:19:58 +0200
parents 1d09e1dec1d9
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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diff changeset
1 import os
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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2 import platform
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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3 import textwrap
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4
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5 import pymupdf
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6
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7 def test_tesseract():
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8 '''
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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9 This checks that MuPDF has been built with tesseract support.
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10
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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11 By default we don't supply a valid `tessdata` directory, and just assert
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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12 that attempting to use Tesseract raises the expected error (which checks
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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13 that MuPDF is built with Tesseract support).
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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14
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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15 But if TESSDATA_PREFIX is set in the environment, we assert that
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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16 FzPage.get_textpage_ocr() succeeds.
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17 '''
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18 path = os.path.abspath( f'{__file__}/../resources/2.pdf')
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19 doc = pymupdf.open( path)
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20 page = doc[5]
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21 if hasattr(pymupdf, 'mupdf'):
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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22 # rebased.
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23 if pymupdf.mupdf_version_tuple < (1, 25, 4):
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24 tail = 'OCR initialisation failed'
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25 else:
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26 tail = 'Tesseract language initialisation failed'
39
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27 if os.environ.get('PYODIDE_ROOT'):
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28 e_expected = 'code=6: No OCR support in this build'
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29 e_expected_type = pymupdf.mupdf.FzErrorUnsupported
1
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30 else:
39
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31 e_expected = f'code=3: {tail}'
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32 if platform.system() == 'OpenBSD':
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33 # 2023-12-12: For some reason the SWIG catch code only catches
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34 # the exception as FzErrorBase.
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35 e_expected_type = pymupdf.mupdf.FzErrorBase
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36 print(f'OpenBSD workaround - expecting FzErrorBase, not FzErrorLibrary.')
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37 else:
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38 e_expected_type = pymupdf.mupdf.FzErrorLibrary
1
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39 else:
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40 # classic.
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41 e_expected = 'OCR initialisation failed'
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42 e_expected_type = None
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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43 tessdata_prefix = os.environ.get('TESSDATA_PREFIX')
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44 if tessdata_prefix:
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45 tp = page.get_textpage_ocr(full=True)
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46 print(f'test_tesseract(): page.get_textpage_ocr() succeeded')
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47 else:
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48 try:
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49 tp = page.get_textpage_ocr(full=True, tessdata='/foo/bar')
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50 except Exception as e:
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51 e_text = str(e)
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52 print(f'Received exception as expected.')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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53 print(f'{type(e)=}')
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54 print(f'{e_text=}')
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55 assert e_text == e_expected, f'Unexpected exception: {e_text!r}'
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56 if e_expected_type:
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57 print(f'{e_expected_type=}')
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58 assert type(e) == e_expected_type, f'{type(e)=} != {e_expected_type=}.'
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59 else:
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60 assert 0, f'Expected exception {e_expected!r}'
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61 rebased = hasattr(pymupdf, 'mupdf')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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62 if rebased:
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63 wt = pymupdf.TOOLS.mupdf_warnings()
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64 if pymupdf.mupdf_version_tuple < (1, 25, 4):
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65 assert wt == (
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66 'UNHANDLED EXCEPTION!\n'
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67 'library error: Tesseract initialisation failed'
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68 )
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69 else:
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70 assert not wt
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71
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72
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73 def test_3842b():
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74 # Check Tesseract failure when given a bogus languages.
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75 #
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76 # Note that Tesseract seems to output its own diagnostics.
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77 #
39
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78 if os.environ.get('PYODIDE_ROOT'):
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79 print('test_3842b(): not running on Pyodide - cannot run child processes.')
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80 return
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81
1
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82 path = os.path.normpath(f'{__file__}/../../tests/resources/test_3842.pdf')
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83 with pymupdf.open(path) as document:
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84 page = document[6]
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85 try:
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86 partial_tp = page.get_textpage_ocr(flags=0, full=False, language='qwerty')
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87 except Exception as e:
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88 print(f'test_3842b(): received exception: {e}')
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89 if 'No tessdata specified and Tesseract is not installed' in str(e):
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90 pass
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91 else:
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92 if pymupdf.mupdf_version_tuple < (1, 25, 4):
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93 assert 'OCR initialisation failed' in str(e)
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94 wt = pymupdf.TOOLS.mupdf_warnings()
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95 assert wt == 'UNHANDLED EXCEPTION!\nlibrary error: Tesseract initialisation failed\nUNHANDLED EXCEPTION!\nlibrary error: Tesseract initialisation failed', \
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96 f'Unexpected {wt=}'
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97 else:
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98 assert 'Tesseract language initialisation failed' in str(e)
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99
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100
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101 def test_3842():
39
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102 if os.environ.get('PYODIDE_ROOT'):
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103 print('test_3842(): not running on Pyodide - cannot run child processes.')
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104 return
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105
1
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106 path = os.path.normpath(f'{__file__}/../../tests/resources/test_3842.pdf')
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107 with pymupdf.open(path) as document:
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108 page = document[6]
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109 try:
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110 partial_tp = page.get_textpage_ocr(flags=0, full=False)
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111 except Exception as e:
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112 print(f'test_3842(): received exception: {e}', flush=1)
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113 if 'No tessdata specified and Tesseract is not installed' in str(e):
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
114 pass
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
115 elif 'Tesseract language initialisation failed' in str(e):
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
116 pass
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
117 else:
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
118 assert 0, f'Unexpected exception text: {str(e)=}'
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
119 else:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
120 text = page.get_text(textpage=partial_tp)
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
121 print()
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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122 print(text)
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
123 print(f'text:\n{text!r}')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
124
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
125 # 2024-11-29: This is the current incorrect output. We use
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
126 # underscores for lines containing entirely whitespace (which
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
127 # textwrap.dedent() unfortunately replaces with empty lines).
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
128 text_expected = textwrap.dedent('''
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
129 NIST SP 800-223
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
130 _
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
131 High-Performance Computing Security
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
132 February 2024
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
133 _
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
134 __
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
135 iii
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
136 Table of Contents
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
137 1. Introduction ...................................................................................................................................1
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
138 2. HPC System Reference Architecture and Main Components ............................................................2
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
139 2.1.1. Components of the High-Performance Computing Zone ............................................................. 3
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
140 2.1.2. Components of the Data Storage Zone ........................................................................................ 4
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
141 2.1.3. Parallel File System ....................................................................................................................... 4
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
142 2.1.4. Archival and Campaign Storage .................................................................................................... 5
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
143 2.1.5. Burst Buffer .................................................................................................................................. 5
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
144 2.1.6. Components of the Access Zone .................................................................................................. 6
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
145 2.1.7. Components of the Management Zone ....................................................................................... 6
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
146 2.1.8. General Architecture and Characteristics .................................................................................... 6
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
147 2.1.9. Basic Services ................................................................................................................................ 7
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
148 2.1.10. Configuration Management ....................................................................................................... 7
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
149 2.1.11. HPC Scheduler and Workflow Management .............................................................................. 7
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
150 2.1.12. HPC Software .............................................................................................................................. 8
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
151 2.1.13. User Software ............................................................................................................................. 8
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
152 2.1.14. Site-Provided Software and Vendor Software ........................................................................... 8
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
153 2.1.15. Containerized Software in HPC .................................................................................................. 9
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
154 3. HPC Threat Analysis...................................................................................................................... 10
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
155 3.2.1. Access Zone Threats ................................................................................................................... 11
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
156 3.2.2. Management Zone Threats ........................................................................................................ 11
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
157 3.2.3. High-Performance Computing Zone Threats .............................................................................. 12
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
158 3.2.4. Data Storage Zone Threats ......................................................................................................... 12
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
159 4. HPC Security Posture, Challenges, and Recommendations ............................................................. 14
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
160 5. Conclusions .................................................................................................................................. 19
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
161 ''',
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
162 )[1:].replace('_', ' ')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
163 print(f'text_expected:\n{text_expected!r}')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
164 assert text == text_expected