def __setitem__(self, key, value):
"""Sets a value and counts up the quantum numbers
"""
if key in self.numbers:
self.numbers[key] = Rational(value)
else:
self.numbers[key] = Rational(value)
self.nelem += 1
self._assert_sanity_()
def numbers(self, numbers):
if type(numbers) is str:
_t = numbers.split()
nums = {}
i = 0
assert len(_t) % 2 == 0, "Not of form 'key1 value1 key2 value2'"
while i < len(_t):
nums[_t[i]] = Rational(_t[i + 1])
i += 2
self._numbers = nums
elif type(numbers) is dict:
for i in numbers:
numbers[i] = Rational(numbers[i])
self._numbers = numbers
elif type(numbers) is QuantumNumbers:
self._numbers = numbers.numbers
elif numbers is None:
self._numbers = {}
else:
assert False, "Expected dict or String for QuantumNumbers"