def time_conflict(self, schedule):
"""Internal use. Determines when the given time range conflicts with the set of
excluded time ranges.
"""
if is_nil(schedule):
return True
for timerange in self._excluded_times:
if timerange.conflicts_with(schedule):
return False
return True
def section_constraint(section1, section2):
return is_nil(section1) or is_nil(section2) or not section1.conflicts_with(section2)
def section_constraint(section1, section2):
if is_nil(section1) or is_nil(section2):
return True
return not section1.conflicts_with(section2)
def __call__(self, section1, section2):
if is_nil(section1) or is_nil(section2):
return True
self.section_conflicts(section1.id, section2.id)