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annotate tests/lib-stat.py @ 277:5e5d11417138

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Test the result of selective reverts when multiple files are changed
author Franz Glasner <hg@dom66.de>
date Fri, 04 Jan 2019 22:45:34 +0100
parents 6abd41f7d879
children 7ec353866f70
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6abd41f7d879 Unit-tests for almost all currently implemented features of the timestamps extension.
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1 from __future__ import absolute_import, print_function
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2
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3
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4 import sys
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5 import os
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6 import datetime
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7
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8
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9 class FloatTimesInStat(object):
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10 """Context manager to ensure that stat returns float values.
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11
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12 For 3.7 <= Mercurial < 4.6: Mercurial calls :func:`os.stat_float_times`
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13 for `stat` and friends to return :class:`int` values.
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14
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15 Temporarily fix this.
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16
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17 """
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18
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19 __slots__ = ("_do_reset",)
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20
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21 def __init__(self):
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22 self._do_reset = False
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23
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24 def __enter__(self):
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25 if not os.stat_float_times():
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26 os.stat_float_times(True)
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27 self._do_reset = True
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28 return self
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29
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30 def __exit__(self, *args):
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31 if self._do_reset:
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32 os.stat_float_times(False)
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33
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34
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35 def to_isoformat(t):
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36 """Return the POSIX timestamp `t` formatted in full ISO format.
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37
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38 `t` is expected to be in the UTC timezone.
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39
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40 """
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41 dt = datetime.datetime.utcfromtimestamp(t)
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42 if dt.utcoffset() is None:
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43 return dt.isoformat() + "Z"
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44 else:
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45 return dt.isoformat()
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46
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47
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48 def main():
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49 with FloatTimesInStat():
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50 for f in sys.argv[1:]:
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51 st = os.lstat(f)
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52 print(to_isoformat(st.st_mtime))
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54
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55 if __name__ == "__main__":
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56 main()