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@ -122,6 +122,7 @@ DPKG_OPTIONS = '-o "Dpkg::Options::=--force-confdef" -o "Dpkg::Options::=--force
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APT_GET_ZERO = "0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded."
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APTITUDE_ZERO = "0 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded."
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APT_LISTS_PATH = "/var/lib/apt/lists"
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APT_UPDATE_SUCCESS_STAMP_PATH = "/var/lib/apt/periodic/update-success-stamp"
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def package_split(pkgspec):
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parts = pkgspec.split('=')
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@ -274,12 +275,27 @@ def main():
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cache_valid = False
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if p['cache_valid_time']:
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tdelta = datetime.timedelta(seconds=p['cache_valid_time'])
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mtime = os.stat(APT_LISTS_PATH).st_mtime
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mtimestamp = datetime.datetime.fromtimestamp(mtime)
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if mtimestamp + tdelta >= datetime.datetime.now():
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# dont update the cache
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# the old cache is less than cache_valid_time seconds old - so still valid
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cache_valid = True
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try:
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mtime = os.stat(APT_UPDATE_SUCCESS_STAMP_PATH).st_mtime
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except:
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mtime = False
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if mtime is False:
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# Looks like the update-success-stamp is not available
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# Fallback: Checking the mtime of the lists
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try:
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mtime = os.stat(APT_LISTS_PATH).st_mtime
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except:
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mtime = False
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if mtime is False:
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# No mtime could be read - looks like lists are not there
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# We update the cache to be safe
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cache_valid = False
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else:
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mtimestamp = datetime.datetime.fromtimestamp(mtime)
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if mtimestamp + tdelta >= datetime.datetime.now():
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# dont update the cache
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# the old cache is less than cache_valid_time seconds old - so still valid
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cache_valid = True
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if cache_valid is not True:
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cache.update()
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