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bpo-35772: Fix test_tarfile on ppc64 (GH-11606)

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Fix sparse file tests of test_tarfile on ppc64le with the tmpfs
filesystem.

Fix the function testing if the filesystem supports sparse files:
create a file which contains data and "holes", instead of creating a
file which contains no data.

tmpfs effective block size is a page size (tmpfs lives in the page
cache). RHEL uses 64 KiB pages on aarch64, ppc64 and ppc64le, only
s390x and x86_64 use 4 KiB pages, whereas the test punch holes of
4 KiB.

test.pythoninfo: Add resource.getpagesize().
This commit is contained in:
Victor Stinner 2019-01-21 10:24:12 +01:00 • committed by GitHub
parent 222d303ade
commit b2385458ce
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3 changed files with 15 additions and 2 deletions
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Lib/test/pythoninfo.py
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@ -529,6 +529,8 @@ def collect_resource(info_add):
value = resource.getrlimit(key)
info_add('resource.%s' % name, value)
call_func(info_add, 'resource.pagesize', resource, 'getpagesize')
def collect_test_socket(info_add):
try: