bernsteinbear.com
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1#!/usr/bin/env python3
2# Copyright (c) Facebook, Inc. and its affiliates. (http://www.facebook.com)
3"""Array.array module TODO(T55711876): provide an implemenation"""
4
5from builtins import _float, _index, _obj_as_int
6from operator import length_hint
7
8from _builtins import (
9 _builtin,
10 _bytearray_check,
11 _bytes_check,
12 _float_check,
13 _int_check,
14 _list_check,
15 _list_getitem,
16 _list_len,
17 _object_type_hasattr,
18 _slice_check,
19 _str_check,
20 _str_len,
21 _tuple_check,
22 _tuple_getitem,
23 _tuple_len,
24 _type,
25 _type_subclass_guard,
26 _Unbound,
27 _unimplemented,
28)
29
30
31def _array_append(obj, val):
32 _builtin()
33
34
35def _array_check(obj):
36 _builtin()
37
38
39def _array_getitem(obj, index):
40 _builtin()
41
42
43def _array_new(cls, typecode, init_len):
44 _builtin()
45
46
47def _array_reserve(self, size):
48 _builtin()
49
50
51def _array_setitem(obj, index, value):
52 _builtin()
53
54
55def _array_repeat(self, count):
56 _builtin()
57
58
59def _array_value(typecode, value):
60 if typecode == "f" or typecode == "d":
61 return _float(value)
62 elif typecode == "u":
63 _unimplemented()
64 if _float_check(value):
65 raise TypeError("array item must be integer")
66 return _obj_as_int(value)
67
68
69class array(bootstrap=True):
70 def __getitem__(self, key):
71 result = _array_getitem(self, key)
72 if result is not _Unbound:
73 return result
74 if _slice_check(key):
75 _unimplemented()
76 return _array_getitem(self, _index(key))
77
78 def __len__(self):
79 _builtin()
80
81 def __mul__(self, other):
82 result = _array_repeat(self, other)
83 if result is not _Unbound:
84 return result
85 return _array_repeat(self, _index(other))
86
87 @staticmethod
88 def __new__(cls, typecode, initializer=None):
89 _type_subclass_guard(cls, array)
90 if not _str_check(typecode) or _str_len(typecode) != 1:
91 raise TypeError(
92 "array() argument 1 must be a unicode character, not "
93 f"{_type(typecode).__name__}"
94 )
95 if initializer is None:
96 return _array_new(cls, typecode, 0)
97
98 if typecode != "u":
99 if _str_check(initializer):
100 raise TypeError(
101 "cannot use a str to initialize an array with typecode "
102 f"'{typecode}'"
103 )
104 if _array_check(initializer) and initializer.typecode == "u":
105 raise TypeError(
106 "cannot use a unicode array to initialize an array with "
107 f"typecode '{typecode}'"
108 )
109
110 if typecode == "u":
111 _unimplemented()
112
113 result = _array_new(cls, typecode, 0)
114 result.extend(initializer)
115 return result
116
117 def __setitem__(self, key, value):
118 result = _array_setitem(self, key, value)
119 if result is not _Unbound:
120 return result
121 if _slice_check(key):
122 _unimplemented()
123 return _array_setitem(self, _index(key), _array_value(self.typecode, value))
124
125 def itemsize(self):
126 _unimplemented()
127
128 def append(self, value):
129 result = _array_append(self, value)
130 if result is not _Unbound:
131 return result
132 return _array_append(self, _array_value(self.typecode, value))
133
134 def buffer_info(self):
135 _unimplemented()
136
137 def byteswap(self):
138 _unimplemented()
139
140 def count(self, value):
141 _unimplemented()
142
143 def extend(self, iterable):
144 if _array_check(iterable):
145 _unimplemented()
146 _array_reserve(self, self.__len__() + length_hint(iterable))
147 for item in iterable:
148 array.append(self, item)
149
150 def frombytes(self, string_value):
151 _unimplemented()
152
153 def fromfile(self, file_object, num_items):
154 _unimplemented()
155
156 def fromlist(self, list_in):
157 _unimplemented()
158
159 def fromstring(self):
160 _unimplemented()
161
162 def fromunicode(self, unicode_str):
163 _unimplemented()
164
165 def index(self, value):
166 _unimplemented()
167
168 def insert(self, value, position):
169 _unimplemented()
170
171 def pop(self, index):
172 _unimplemented()
173
174 def remove(self, value):
175 _unimplemented()
176
177 def reverse(self):
178 _unimplemented()
179
180 def tobytes(self):
181 _unimplemented()
182
183 def tofile(self, file_object):
184 _unimplemented()
185
186 def tolist(self):
187 _unimplemented()
188
189 def tostring(self):
190 _unimplemented()
191
192 def tounicode(self):
193 _unimplemented()
194
195
196typecodes = "bBuhHiIlLqQfd"