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Code Issues Projects Releases Packages Wiki Activity Actions 10

Add regrtest check for caches in packaging.database (see #12167)

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Éric Araujo 2011-10-06 02:44:19 +02:00
parent 1079bdfde3
commit 76558e12ad
1 changed files with 24 additions and 0 deletions
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24
Lib/test/regrtest.py
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@ -173,6 +173,7 @@ import io
import json import json
import logging import logging
import os import os
import packaging.database
import platform import platform
import random import random
import re import re
@ -967,6 +968,7 @@ class saved_test_environment:
'sys.warnoptions', 'threading._dangling', 'sys.warnoptions', 'threading._dangling',
'multiprocessing.process._dangling', 'multiprocessing.process._dangling',
'sysconfig._CONFIG_VARS', 'sysconfig._SCHEMES', 'sysconfig._CONFIG_VARS', 'sysconfig._SCHEMES',
'packaging.database_caches',
) )
def get_sys_argv(self): def get_sys_argv(self):
@ -1054,6 +1056,28 @@ class saved_test_environment:
# Can't easily revert the logging state # Can't easily revert the logging state
pass pass
def get_packaging_database_caches(self):
# caching system used by the PEP 376 implementation
# we have one boolean and four dictionaries, initially empty
switch = packaging.database._cache_enabled
saved = []
for name in ('_cache_name', '_cache_name_egg',
'_cache_path', '_cache_path_egg'):
cache = getattr(packaging.database, name)
saved.append((id(cache), cache, cache.copy()))
return switch, saved
def restore_packaging_database_caches(self, saved):
switch, saved_caches = saved
packaging.database._cache_enabled = switch
for offset, name in enumerate(('_cache_name', '_cache_name_egg',
'_cache_path', '_cache_path_egg')):
_, cache, items = saved_caches[offset]
# put back the same object in place
setattr(packaging.database, name, cache)
# now restore its items
cache.clear()
cache.update(items)
def get_sys_warnoptions(self): def get_sys_warnoptions(self):
return id(sys.warnoptions), sys.warnoptions, sys.warnoptions[:] return id(sys.warnoptions), sys.warnoptions, sys.warnoptions[:]
def restore_sys_warnoptions(self, saved_options): def restore_sys_warnoptions(self, saved_options):