-
Notifications
You must be signed in to change notification settings - Fork 0
/
bit_manager.py
248 lines (194 loc) · 6.88 KB
/
bit_manager.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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
import sys
from bitstring import BitArray, Bits
class Number:
"""Number class encode by binary bits"""
def __init__(self, data=0, no_bits=6):
self.data = BitArray(int=data, length=no_bits)
self.no_bits = no_bits
def to_bin(self) -> "bin_string":
return self.data.bin
def set_from_binary_string(self, bin_string: str):
bin_string = bin_string.rjust(self.no_bits, "0")
self.data = BitArray(bin=bin_string)
def to_int(self) -> int:
return self.data.int
def __len__(self) -> int:
"""Return length of bits"""
return len(self.data)
def __getitem__(self, i: "int/slice") -> "1/0":
return self.data[i]
def __setitem__(self, i: "int/slice", value: "int/list"):
self.data[i] = value
def getsizeof(self) -> int:
"""Get size of data (Byte)"""
return sys.getsizeof(self.data)
def __str__(self):
return str(self.data.int)
def __delitem__(self, i: "int/slice"):
del self.data[i]
self.no_bits = self.__len__()
class NumberArray(Number):
"""NumberArray class construct array by Number class (each item encoded by bits)"""
def __init__(self, no_bits_per_item=6, no_items=4):
self.no_bits = no_bits_per_item * no_items # Compute total bits present array
self.no_bits_per_item = no_bits_per_item
self.no_items = no_items
super().__init__(no_bits=self.no_bits)
def __getitem__(self, i: int):
if isinstance(i, slice):
start = 0 if i.start == None else i.start
stop = self.no_items if i.stop == None else i.stop
step = 1 if i.step == None else i.step
if stop < 0:
stop = self.no_items + stop
if start < 0:
start = self.no_items + start
if start > stop and step > 0:
step = -1
return [self.data[j*self.no_bits_per_item:(j+1)*self.no_bits_per_item].int for j in range(start, stop, step)]
if i < 0:
i = i + self.no_items
return self.data[i*self.no_bits_per_item:(i+1)*self.no_bits_per_item].int
def __setitem__(self, i: 'int/slice', value: 'int/list]'):
if isinstance(i, slice):
start = 0 if i.start == None else i.start
stop = self.no_items if i.stop == None else i.stop
step = 1 if i.step == None else i.step
if stop < 0:
stop = self.no_items + stop
if start < 0:
start = self.no_items + start
if start > stop and step > 0:
step = -1
if isinstance(value, int):
raise ValueError("can only assign an iterable")
else:
index = 0
for j in range(start, stop, step):
if index < len(value):
num = value[index]
if isinstance(value[index], Number):
num = value[index].to_int()
self.data[j*self.no_bits_per_item:(j+1)*self.no_bits_per_item] = BitArray(int=num, length=self.no_bits_per_item)
index += 1
else:
del self.data[j*self.no_bits_per_item:(j+1)*self.no_bits_per_item]
# Update
self.no_items = self.__len__()
self.no_bits = self.no_items * self.no_bits_per_item
else:
if i < 0:
i = i + self.no_items
if isinstance(value, Number):
value = value.to_int()
self.data[i*self.no_bits_per_item:(i+1)*self.no_bits_per_item] = BitArray(int=value, length=self.no_bits_per_item)
def __eq__(self, other):
if isinstance(other, list):
for i in range(len(list)):
self.data[i*self.no_bits_per_item:(i+1)*self.no_bits_per_item] = BitArray(int=other[i], length=self.no_bits_per_item)
def __len__(self):
return super().__len__() // self.no_bits_per_item
def __delitem__(self, i: 'int/slice'):
if isinstance(i, slice):
start = 0 if i.start == None else i.start
stop = self.no_items if i.stop == None else i.stop
step = 1 if i.step == None else i.step
if stop < 0:
stop = self.no_items + stop
if start < 0:
start = self.no_items + start
if start > stop and step > 0:
step = -1
j = start # Loop condition
index = start # index of array
while j < stop:
del self.data[index*self.no_bits_per_item:(index+1)*self.no_bits_per_item]
j += step
index += step - 1
else:
del self.data[i*self.no_bits_per_item:(i+1)*self.no_bits_per_item]
# Update
self.no_items = self.__len__()
self.no_bits = self.no_items * self.no_bits_per_item
def get_list(self) -> list:
list_num = []
for i in range(self.no_items):
item = self.data[i*self.no_bits_per_item:(i+1)*self.no_bits_per_item].int
list_num.append(item)
return list_num
def __str__(self):
list_num = []
for i in range(self.no_items):
item = self.data[i*self.no_bits_per_item:(i+1)*self.no_bits_per_item].int
list_num.append(item)
return str(list_num)
def __iter__(self):
num_list = self.__getitem__(slice(0, self.no_items))
return iter(num_list)
# a = BitArray(bin="001000110100")
# print(a.bin)
# print(sys.getsizeof(a))
# b = Number(3)
# print(b.to_bin())
# b[0:2] = [1, 0]
# print(b.to_bin())
# print(type(b[3]))
# b[0] = False
# print(b.to_bin())
# print(len(b))
# a = NumberArray()
# a[1:4] = [b, Number(5)]
# a[0] = 4
# c = Number(29424828428424, no_bits=100)
# print(c.to_bin())
# print(c.length())
# print(c.getsizeof())
# a = NumberArray(no_items=5)
# a = [5, 6, 7, 8, 10, 12]
# print(len(a))
# print(a)
# del a[0:4:3]
# print(a)
# a = NumberArray()
# a = [31, 7, 38, 1]
# print(a)
# a = sorted(a, key=lambda x: x**2 - 10*x + 5, reverse=True)
# print(a)
# for num in a:
# print(num)
# b = [1, 2, 3, 4]
# b[1:3] = [3]
# print(b)
# c = Number(64, no_bits=7)
# print(c.to_bin())
# print(c.to_int())
# del c[3:5]
# print(c.to_bin())
# print(c.to_int())
# d = NumberArray()
# d[:] = [3, 9, 7, 24]
# print(type(d))
# for num in d:
# print(num)
# e = [num for num in d]
# print(e)
# a = NumberArray()
# a[:] = [1, 2, 3, 4]
# print(type(a))
# print(a[-1])
# b = [num for num in a]
# print(b)
# print(type(b))
# a.append("0b0111")
# for i in a:
# print(i)
# a = NumberArray()
# a[1] = 63
# print(a)
# a = NumberArray()
# a[0] = -3
# print(bin(a[0]))
# equation = lambda x: 2**x + 3
# a = [1, 5, -3, -10, 20]
# b = sorted(a, key=equation+3)
# print(b)