Mercurial > hgrepos > Python2 > PyMuPDF

annotate tests/test_memory.py @ 1:1d09e1dec1d9 upstream

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ADD: PyMuPDF v1.26.4: the original sdist. It does not yet contain MuPDF. This normally will be downloaded when building PyMuPDF.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:37:51 +0200
parents
children a6bc019ac0b2
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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1 import pymupdf
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2
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3 import gc
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4 import os
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5 import platform
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6 import sys
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7
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8
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9 def merge_pdf(content: bytes, coverpage: bytes):
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10 with pymupdf.Document(stream=coverpage, filetype='pdf') as coverpage_pdf:
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11 with pymupdf.Document(stream=content, filetype='pdf') as content_pdf:
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12 coverpage_pdf.insert_pdf(content_pdf)
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13 doc = coverpage_pdf.write()
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14 return doc
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15
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16 def test_2791():
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17 '''
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18 Check for memory leaks.
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19 '''
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20 if os.environ.get('PYMUPDF_RUNNING_ON_VALGRIND') == '1':
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21 print(f'test_2791(): not running because PYMUPDF_RUNNING_ON_VALGRIND=1.')
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22 return
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23 if platform.system().startswith('MSYS_NT-'):
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24 print(f'test_2791(): not running on msys2 - psutil not available.')
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25 return
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26 #stat_type = 'tracemalloc'
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27 stat_type = 'psutil'
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28 if stat_type == 'tracemalloc':
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29 import tracemalloc
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30 tracemalloc.start(10)
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31 def get_stat():
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32 current, peak = tracemalloc.get_traced_memory()
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33 return current
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34 elif stat_type == 'psutil':
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35 # We use RSS, as used by mprof.
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36 import psutil
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37 process = psutil.Process()
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38 def get_stat():
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39 return process.memory_info().rss
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40 else:
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41 def get_stat():
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42 return 0
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43 n = 1000
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44 verbose = False
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45 if platform.python_implementation() == 'GraalVM':
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46 n = 10
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47 verbose = True
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48 stats = [1] * n
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49 for i in range(n):
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50 if verbose:
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51 print(f'{i+1}/{n}.', flush=1)
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52 root = os.path.abspath(f'{__file__}/../../tests/resources')
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53 with open(f'{root}/test_2791_content.pdf', 'rb') as content_pdf:
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54 with open(f'{root}/test_2791_coverpage.pdf', 'rb') as coverpage_pdf:
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55 content = content_pdf.read()
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56 coverpage = coverpage_pdf.read()
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57 merge_pdf(content, coverpage)
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58 sys.stdout.flush()
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59
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60 gc.collect()
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61 stats[i] = get_stat()
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62
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63 print(f'Memory usage {stat_type=}.')
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64 for i, stat in enumerate(stats):
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65 sys.stdout.write(f' {stat}')
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66 #print(f' {i}: {stat}')
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67 sys.stdout.write('\n')
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68 first = stats[2]
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69 last = stats[-1]
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70 ratio = last / first
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71 print(f'{first=} {last=} {ratio=}')
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72
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73 if platform.system() != 'Linux':
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74 # Values from psutil indicate larger memory leaks on non-Linux. Don't
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75 # yet know whether this is because rss is measured differently or a
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76 # genuine leak is being exposed.
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77 print(f'test_2791(): not asserting ratio because not running on Linux.')
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78 elif not hasattr(pymupdf, 'mupdf'):
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79 # Classic implementation has unfixed leaks.
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80 print(f'test_2791(): not asserting ratio because using classic implementation.')
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81 elif [int(x) for x in platform.python_version_tuple()[:2]] < [3, 11]:
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82 print(f'test_2791(): not asserting ratio because python version less than 3.11: {platform.python_version()=}.')
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83 elif stat_type == 'tracemalloc':
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84 # With tracemalloc Before fix to src/extra.i's calls to
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85 # PyObject_CallMethodObjArgs, ratio was 4.26; after it was 1.40.
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86 assert ratio > 1 and ratio < 1.6
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87 elif stat_type == 'psutil':
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88 # Prior to fix, ratio was 1.043. After the fix, improved to 1.005, but
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89 # varies and sometimes as high as 1.010.
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90 # 2024-06-03: have seen 0.99919 on musl linux, and sebras reports .025.
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91 assert ratio >= 0.990 and ratio < 1.027, f'{ratio=}'
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92 else:
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93 pass
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94
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95
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96 def test_4090():
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97 print(f'test_4090(): {os.environ.get("PYTHONMALLOC")=}.')
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98 import psutil
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99 process = psutil.Process()
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100 rsss = list()
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101 def rss():
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102 ret = process.memory_info().rss
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103 rsss.append(ret)
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104 return ret
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105
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106 path = os.path.normpath(f'{__file__}/../../tests/resources/test_4090.pdf')
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107 for i in range(100):
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108 d = dict()
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109 d[i] = dict()
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110 with pymupdf.open(path) as document:
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111 for j, page in enumerate(document):
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112 d[i][j] = page.get_text('rawdict')
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113 print(f'test_4090(): {i}: {rss()=}')
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114 print(f'test_4090(): {rss()=}')
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diff changeset
115 gc.collect()
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
116 print(f'test_4090(): {rss()=}')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
117 r1 = rsss[2]
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
118 r2 = rsss[-1]
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
119 r = r2 / r1
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
120 if platform.system() == 'Windows':
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
121 assert 0.93 <= r < 1.05, f'{r1=} {r2=} {r=}.'
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
122 else:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
123 assert 0.95 <= r < 1.05, f'{r1=} {r2=} {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
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
126 def show_tracemalloc_diff(snapshot1, snapshot2):
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
127 top_stats = snapshot2.compare_to(snapshot1, 'lineno')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
128 n = 0
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
129 mem = 0
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
130 for i in top_stats:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
131 n += i.count
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
132 mem += i.size
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
133 print(f'{n=}')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
134 print(f'{mem=}')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
135 print("Top 10:")
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
136 for stat in top_stats[:10]:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
137 print(f' {stat}')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
138 snapshot_diff = snapshot2.compare_to(snapshot1, key_type='lineno')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
139 print(f'snapshot_diff:')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
140 count_diff = 0
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
141 size_diff = 0
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
142 for i, s in enumerate(snapshot_diff):
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
143 print(f' {i}: {s.count=} {s.count_diff=} {s.size=} {s.size_diff=} {s.traceback=}')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
144 count_diff += s.count_diff
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
145 size_diff += s.size_diff
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
146 print(f'{count_diff=} {size_diff=}')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
147
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
148
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
149
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
150 def test_4125():
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
151 if os.environ.get('PYMUPDF_RUNNING_ON_VALGRIND') == '1':
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
152 print(f'test_4125(): not running because PYMUPDF_RUNNING_ON_VALGRIND=1.')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
153 return
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
154 if platform.system().startswith('MSYS_NT-'):
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
155 print(f'test_4125(): not running on msys2 - psutil not available.')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
156 return
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
157
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
158 print('')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
159 print(f'test_4125(): {platform.python_version()=}.')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
160
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
161 path = os.path.normpath(f'{__file__}/../../tests/resources/test_4125.pdf')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
162 import gc
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
163 import psutil
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
164
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
165 root = os.path.normpath(f'{__file__}/../..')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
166 sys.path.insert(0, root)
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
167 try:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
168 import pipcl
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
169 finally:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
170 del sys.path[0]
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
171
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
172 process = psutil.Process()
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
173
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
174 class State: pass
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
175 state = State()
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
176 state.rsss = list()
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
177 state.prev = None
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
178
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
179 def get_stat():
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
180 rss = process.memory_info().rss
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
181 if not state.rsss:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
182 state.prev = rss
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
183 state.rsss.append(rss)
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
184 drss = rss - state.prev
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
185 state.prev = rss
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
186 print(f'test_4125():'
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
187 f' {rss=:,}'
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
188 f' rss-rss0={rss-state.rsss[0]:,}'
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
189 f' drss={drss:,}'
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
190 f'.'
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
191 )
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
192
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
193 for i in range(10):
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
194 with pymupdf.open(path) as document:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
195 for page in document:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
196 for image_info in page.get_images(full=True):
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
197 xref, smask, width, height, bpc, colorspace, alt_colorspace, name, filter_, referencer = image_info
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
198 pixmap = pymupdf.Pixmap(document, xref)
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
199 if pixmap.colorspace != pymupdf.csRGB:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
200 pixmap2 = pymupdf.Pixmap(pymupdf.csRGB, pixmap)
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
201 del pixmap2
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
202 del pixmap
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
203 pymupdf.TOOLS.store_shrink(100)
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
204 pymupdf.TOOLS.glyph_cache_empty()
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
205 gc.collect()
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
206 get_stat()
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
207
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
208 if platform.system() == 'Linux':
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
209 rss_delta = state.rsss[-1] - state.rsss[3]
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
210 print(f'{rss_delta=}')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
211 pv = platform.python_version_tuple()
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
212 pv = (int(pv[0]), int(pv[1]))
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
213 if pv < (3, 11):
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
214 # Python < 3.11 has less reliable memory usage so we exclude.
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
215 print(f'test_4125(): Not checking on {platform.python_version()=} because < 3.11.')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
216 elif pymupdf.mupdf_version_tuple < (1, 25, 2):
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
217 rss_delta_expected = 4915200 * (len(state.rsss) - 3)
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
218 assert abs(1 - rss_delta / rss_delta_expected) < 0.15, f'{rss_delta_expected=}'
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
219 else:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
220 # Before the fix, each iteration would leak 4.9MB.
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
221 rss_delta_max = 100*1000 * (len(state.rsss) - 3)
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
222 assert rss_delta < rss_delta_max
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
223 else:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
224 # Unfortunately on non-Linux Github test machines the RSS values seem
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
225 # to vary a lot, which causes spurious test failures. So for at least
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
226 # we don't actually check.
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
227 #
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
228 print(f'Not checking results because non-Linux behaviour is too variable.')