|
from functools import partial
class _strings(list):
def __init__(self, type_, iterable):
list.__init__(self, [type_(x) for x in (iterable if not isinstance(iterable, str) else
iterable.split())])
self._type = type_
def __str__(self):
return ' '.join([str(x) for x in self])
def __add__(self, other):
return _strings(self._type, str(self)+' '+str(_strings(self._type, other)))
def append(self, other):
other = _strings(self._type, other)
if len(other) > 1:
raise ValueError('Use extend() to add more than one item')
super(_strings, self).append(other[0])
def extend(self, other):
super(_strings, self).__add__(other)
strings = partial(_strings, str)
ints = partial(_strings, int)
floats = partial(_strings, float)
class lists(_strings):
def __init__(self, iterable, sep=" + "):
_strings.__init__(self, str, iterable)
self.n = [strings(x) for x in iterable.split(sep)]
self.sep = sep
def __add__(self, other):
return lists(str(self)+self.sep+str(other))
|
