/
stringtheory.py
87 lines (66 loc) · 1.78 KB
/
stringtheory.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
__author__ = 'Daniel Greenfeld'
__version__ = "0.1.0"
import math
class String(str):
""" Adding critically unimportant functionality to Python's str type """
def len(self):
return self.__len__()
@property
def length(self):
return self.len()
@property
def size(self):
return self.length
@property
def width(self):
return max(len(l) for l in self.splitlines())
@property
def height(self):
return len(self.splitlines())
@property
def area(self):
return self.height * self.width
class ConqueringString(String):
""" Adding stupidly dangerous functionality to Python's str type """
def __init__(self, text):
super(ConqueringString, self).__init__(text)
self._length = self.__len__()
def __len__(self):
try:
return self._length
except AttributeError:
return super(ConqueringString, self).__len__()
def len(self, value=None):
if value is None:
return self._length
self._length = value
@property
def length(self):
return self.len()
@length.setter
def length(self, value):
self._length = value
@property
def size(self):
return self.length
@size.setter
def size(self, value):
self.length = value
@property
def area(self):
return self.height * self.width
@area.setter
def area(self, value):
self.length = math.sqrt(value)
if __name__ == "__main__":
s = ConqueringString("Hello, World!")
print(s)
print(s.length)
s.length = 5
print(s.length)
print(s.area)
s.area = 50
print(s.area)
print(len(s))
print(s[5:10]) # slicing still works!
print(s.upper()) # other methods still work!