Mercurial > hgrepos > Python2 > PyMuPDF

annotate tests/test_memory.py @ 39:a6bc019ac0b2 upstream

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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
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1
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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diff changeset
1 import pymupdf
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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2
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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3 import gc
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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4 import os
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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5 import platform
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6 import sys
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7
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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8
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9 def merge_pdf(content: bytes, coverpage: bytes):
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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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 '''
39
a6bc019ac0b2 ADD: PyMuPDF v1.26.5: the original sdist.
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20 if os.environ.get('PYODIDE_ROOT'):
a6bc019ac0b2 ADD: PyMuPDF v1.26.5: the original sdist.
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21 print('test_2791(): not running on Pyodide - No module named \'psutil\'.')
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22 return
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23
1
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24 if os.environ.get('PYMUPDF_RUNNING_ON_VALGRIND') == '1':
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25 print(f'test_2791(): not running because PYMUPDF_RUNNING_ON_VALGRIND=1.')
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26 return
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27 if platform.system().startswith('MSYS_NT-'):
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28 print(f'test_2791(): not running on msys2 - psutil not available.')
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29 return
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30 #stat_type = 'tracemalloc'
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31 stat_type = 'psutil'
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32 if stat_type == 'tracemalloc':
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33 import tracemalloc
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34 tracemalloc.start(10)
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35 def get_stat():
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36 current, peak = tracemalloc.get_traced_memory()
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37 return current
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38 elif stat_type == 'psutil':
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39 # We use RSS, as used by mprof.
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40 import psutil
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41 process = psutil.Process()
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42 def get_stat():
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43 return process.memory_info().rss
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44 else:
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45 def get_stat():
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46 return 0
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47 n = 1000
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48 verbose = False
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49 if platform.python_implementation() == 'GraalVM':
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50 n = 10
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51 verbose = True
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52 stats = [1] * n
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53 for i in range(n):
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54 if verbose:
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55 print(f'{i+1}/{n}.', flush=1)
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56 root = os.path.abspath(f'{__file__}/../../tests/resources')
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57 with open(f'{root}/test_2791_content.pdf', 'rb') as content_pdf:
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58 with open(f'{root}/test_2791_coverpage.pdf', 'rb') as coverpage_pdf:
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59 content = content_pdf.read()
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60 coverpage = coverpage_pdf.read()
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61 merge_pdf(content, coverpage)
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62 sys.stdout.flush()
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63
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64 gc.collect()
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65 stats[i] = get_stat()
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66
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67 print(f'Memory usage {stat_type=}.')
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68 for i, stat in enumerate(stats):
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69 sys.stdout.write(f' {stat}')
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70 #print(f' {i}: {stat}')
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71 sys.stdout.write('\n')
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72 first = stats[2]
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73 last = stats[-1]
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74 ratio = last / first
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75 print(f'{first=} {last=} {ratio=}')
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76
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77 if platform.system() != 'Linux':
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78 # Values from psutil indicate larger memory leaks on non-Linux. Don't
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79 # yet know whether this is because rss is measured differently or a
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80 # genuine leak is being exposed.
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81 print(f'test_2791(): not asserting ratio because not running on Linux.')
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82 elif not hasattr(pymupdf, 'mupdf'):
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83 # Classic implementation has unfixed leaks.
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84 print(f'test_2791(): not asserting ratio because using classic implementation.')
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85 elif [int(x) for x in platform.python_version_tuple()[:2]] < [3, 11]:
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86 print(f'test_2791(): not asserting ratio because python version less than 3.11: {platform.python_version()=}.')
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87 elif stat_type == 'tracemalloc':
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88 # With tracemalloc Before fix to src/extra.i's calls to
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89 # PyObject_CallMethodObjArgs, ratio was 4.26; after it was 1.40.
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90 assert ratio > 1 and ratio < 1.6
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91 elif stat_type == 'psutil':
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92 # Prior to fix, ratio was 1.043. After the fix, improved to 1.005, but
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93 # varies and sometimes as high as 1.010.
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94 # 2024-06-03: have seen 0.99919 on musl linux, and sebras reports .025.
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95 assert ratio >= 0.990 and ratio < 1.027, f'{ratio=}'
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96 else:
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97 pass
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98
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99
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100 def test_4090():
39
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101 if os.environ.get('PYODIDE_ROOT'):
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102 print('test_4090(): not running on Pyodide - No module named \'psutil\'.')
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103 return
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104
1
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105 print(f'test_4090(): {os.environ.get("PYTHONMALLOC")=}.')
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106 import psutil
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107 process = psutil.Process()
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108 rsss = list()
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109 def rss():
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110 ret = process.memory_info().rss
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111 rsss.append(ret)
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112 return ret
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113
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114 path = os.path.normpath(f'{__file__}/../../tests/resources/test_4090.pdf')
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diff changeset
115 for i in range(100):
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
116 d = dict()
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
117 d[i] = dict()
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
118 with pymupdf.open(path) as document:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
119 for j, page in enumerate(document):
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
120 d[i][j] = page.get_text('rawdict')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
121 print(f'test_4090(): {i}: {rss()=}')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
122 print(f'test_4090(): {rss()=}')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
123 gc.collect()
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
124 print(f'test_4090(): {rss()=}')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
125 r1 = rsss[2]
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
126 r2 = rsss[-1]
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
127 r = r2 / r1
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
128 if platform.system() == 'Windows':
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
129 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
130 else:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
131 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
132
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 def show_tracemalloc_diff(snapshot1, snapshot2):
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
135 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
136 n = 0
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
137 mem = 0
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
138 for i in top_stats:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
139 n += i.count
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
140 mem += i.size
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
141 print(f'{n=}')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
142 print(f'{mem=}')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
143 print("Top 10:")
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
144 for stat in top_stats[:10]:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
145 print(f' {stat}')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
146 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
147 print(f'snapshot_diff:')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
148 count_diff = 0
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
149 size_diff = 0
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
150 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
151 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
152 count_diff += s.count_diff
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
153 size_diff += s.size_diff
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
154 print(f'{count_diff=} {size_diff=}')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
155
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
156
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 def test_4125():
39
a6bc019ac0b2 ADD: PyMuPDF v1.26.5: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents: 1
diff changeset
159 if os.environ.get('PYODIDE_ROOT'):
a6bc019ac0b2 ADD: PyMuPDF v1.26.5: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents: 1
diff changeset
160 print('test_4125(): not running on Pyodide - No module named \'psutil\'.')
a6bc019ac0b2 ADD: PyMuPDF v1.26.5: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents: 1
diff changeset
161 return
a6bc019ac0b2 ADD: PyMuPDF v1.26.5: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents: 1
diff changeset
162
1
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
163 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
164 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
165 return
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
166 if platform.system().startswith('MSYS_NT-'):
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
167 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
168 return
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
169
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
170 print('')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
171 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
172
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
173 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
174 import gc
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
175 import psutil
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
176
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
177 root = os.path.normpath(f'{__file__}/../..')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
178 sys.path.insert(0, root)
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
179 try:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
180 import pipcl
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
181 finally:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
182 del sys.path[0]
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
183
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
184 process = psutil.Process()
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
185
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
186 class State: pass
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
187 state = State()
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
188 state.rsss = list()
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
189 state.prev = None
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
190
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
191 def get_stat():
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
192 rss = process.memory_info().rss
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
193 if not state.rsss:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
194 state.prev = rss
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
195 state.rsss.append(rss)
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
196 drss = rss - state.prev
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
197 state.prev = rss
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
198 print(f'test_4125():'
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
199 f' {rss=:,}'
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
200 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
201 f' drss={drss:,}'
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
202 f'.'
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
203 )
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
204
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
205 for i in range(10):
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
206 with pymupdf.open(path) as document:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
207 for page in document:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
208 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
209 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
210 pixmap = pymupdf.Pixmap(document, xref)
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
211 if pixmap.colorspace != pymupdf.csRGB:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
212 pixmap2 = pymupdf.Pixmap(pymupdf.csRGB, pixmap)
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
213 del pixmap2
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
214 del pixmap
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
215 pymupdf.TOOLS.store_shrink(100)
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
216 pymupdf.TOOLS.glyph_cache_empty()
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
217 gc.collect()
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
218 get_stat()
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
219
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
220 if platform.system() == 'Linux':
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
221 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
222 print(f'{rss_delta=}')
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
223 pv = platform.python_version_tuple()
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
224 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
225 if pv < (3, 11):
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
226 # 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
227 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
228 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
229 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
230 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
231 else:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
232 # 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
233 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
234 assert rss_delta < rss_delta_max
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
235 else:
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
236 # 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
237 # 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
238 # we don't actually check.
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
239 #
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
240 print(f'Not checking results because non-Linux behaviour is too variable.')