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mirror of https://github.com/henrydcase/pqc.git synced 2024-11-22 15:39:07 +00:00

Compute touch timestamps in Python

This commit is contained in:
Douglas Stebila 2019-02-25 23:42:48 -05:00
parent 50801485f0
commit 2db9f22aac

View File

@ -9,6 +9,7 @@ import pqclean
import helpers import helpers
import subprocess import subprocess
import glob import glob
import datetime
def test_makefile_dependencies(): def test_makefile_dependencies():
@ -35,15 +36,18 @@ def check_makefile_dependencies(scheme_name, implementation_name, file):
# modification time-based calculations is tricky on a sub-second basis # modification time-based calculations is tricky on a sub-second basis
# so we reset all the modification times to a known and "sensible" order # so we reset all the modification times to a known and "sensible" order
helpers.run_subprocess(['touch'] + cfiles + hfiles + ofiles) now = datetime.datetime.now()
helpers.run_subprocess(['touch', libfile]) ago15 = now - datetime.timedelta(seconds=15)
helpers.run_subprocess(['touch', '-A', '-15', '-m'] + cfiles + hfiles) ago10 = now - datetime.timedelta(seconds=10)
helpers.run_subprocess(['touch', '-A', '-10', '-m'] + ofiles) ago5 = now - datetime.timedelta(seconds=5)
helpers.run_subprocess(['touch', '-A', '-05', '-m', libfile]) formatstring = "%Y%m%d%H%M.%S"
helpers.run_subprocess(['touch', '-t', ago15.strftime(formatstring)] + cfiles + hfiles)
helpers.run_subprocess(['touch', '-t', ago10.strftime(formatstring)] + ofiles)
helpers.run_subprocess(['touch', '-t', ago5.strftime(formatstring), libfile])
mtime_lib_orig = os.stat(libfile).st_mtime_ns mtime_lib_orig = os.stat(libfile).st_mtime_ns
# touch the candidate .c / .h file # touch the candidate .c / .h file
helpers.run_subprocess(['touch', '-A', '15', '-m', file]) helpers.run_subprocess(['touch', '-t', now.strftime(formatstring), file])
# rebuild # rebuild
helpers.run_subprocess(['make'], implementation.path()) helpers.run_subprocess(['make'], implementation.path())