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try:
from flux import current_timeline as time_module
except ImportError:
import time as time_module
class Deadline(object):
def is_expired(self):
raise NotImplementedError() # pragma: no cover
def get_num_seconds_remaining(self):
return None
class Within(Deadline):
def __init__(self, seconds):
super(Within, self).__init__()
self._deadline = time_module.time() + seconds
def is_expired(self):
return time_module.time() >= self._deadline
def get_num_seconds_remaining(self):
return self._deadline - time_module.time()
class Whenever(Deadline):
def is_expired(self):
return False
def make_deadline(seconds):
if seconds is None:
return Whenever()
return Within(seconds)
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