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81447b5b PP |
1 | # The MIT License (MIT) |
2 | # | |
811644b8 | 3 | # Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com> |
81447b5b PP |
4 | # |
5 | # Permission is hereby granted, free of charge, to any person obtaining a copy | |
6 | # of this software and associated documentation files (the "Software"), to deal | |
7 | # in the Software without restriction, including without limitation the rights | |
8 | # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
9 | # copies of the Software, and to permit persons to whom the Software is | |
10 | # furnished to do so, subject to the following conditions: | |
11 | # | |
12 | # The above copyright notice and this permission notice shall be included in | |
13 | # all copies or substantial portions of the Software. | |
14 | # | |
15 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
18 | # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
21 | # THE SOFTWARE. | |
22 | ||
23 | from bt2 import native_bt, object, utils | |
24 | import collections.abc | |
25 | import functools | |
26 | import numbers | |
27 | import math | |
28 | import abc | |
29 | import bt2 | |
30 | ||
31 | ||
32 | def _handle_status(status, obj_name): | |
33 | if status >= 0: | |
34 | return | |
81447b5b | 35 | else: |
81447b5b PP |
36 | raise RuntimeError('unexpected error') |
37 | ||
38 | ||
39 | def _create_from_ptr(ptr): | |
40 | if ptr is None or ptr == native_bt.value_null: | |
41 | return | |
42 | ||
43 | typeid = native_bt.value_get_type(ptr) | |
44 | return _TYPE_TO_OBJ[typeid]._create_from_ptr(ptr) | |
45 | ||
46 | ||
939a381a SM |
47 | def _create_from_ptr_and_get_ref(ptr): |
48 | if ptr is None or ptr == native_bt.value_null: | |
49 | return | |
50 | ||
51 | typeid = native_bt.value_get_type(ptr) | |
52 | return _TYPE_TO_OBJ[typeid]._create_from_ptr_and_get_ref(ptr) | |
53 | ||
54 | ||
81447b5b PP |
55 | def create_value(value): |
56 | if value is None: | |
57 | # null value object | |
58 | return | |
59 | ||
60 | if isinstance(value, _Value): | |
61 | return value | |
62 | ||
63 | if isinstance(value, bool): | |
64 | return BoolValue(value) | |
65 | ||
66 | if isinstance(value, int): | |
67 | return IntegerValue(value) | |
68 | ||
69 | if isinstance(value, float): | |
939a381a | 70 | return RealValue(value) |
81447b5b PP |
71 | |
72 | if isinstance(value, str): | |
73 | return StringValue(value) | |
74 | ||
75 | try: | |
76 | return MapValue(value) | |
77 | except: | |
78 | pass | |
79 | ||
80 | try: | |
81 | return ArrayValue(value) | |
82 | except: | |
83 | pass | |
84 | ||
85 | raise TypeError("cannot create value object from '{}' object".format(value.__class__.__name__)) | |
86 | ||
87 | ||
7542c30d | 88 | class _Value(object._SharedObject, metaclass=abc.ABCMeta): |
939a381a SM |
89 | _get_ref = native_bt.value_get_ref |
90 | _put_ref = native_bt.value_put_ref | |
91 | ||
81447b5b PP |
92 | def __eq__(self, other): |
93 | if other is None: | |
94 | # self is never the null value object | |
95 | return False | |
96 | ||
97 | # try type-specific comparison first | |
98 | spec_eq = self._spec_eq(other) | |
99 | ||
100 | if spec_eq is not None: | |
101 | return spec_eq | |
102 | ||
103 | if not isinstance(other, _Value): | |
104 | # not comparing apples to apples | |
105 | return False | |
106 | ||
107 | # fall back to native comparison function | |
108 | return native_bt.value_compare(self._ptr, other._ptr) | |
109 | ||
110 | def __ne__(self, other): | |
111 | return not (self == other) | |
112 | ||
113 | @abc.abstractmethod | |
114 | def _spec_eq(self, other): | |
115 | pass | |
116 | ||
117 | def _handle_status(self, status): | |
118 | _handle_status(status, self._NAME) | |
119 | ||
120 | def _check_create_status(self, ptr): | |
121 | if ptr is None: | |
939a381a SM |
122 | raise bt2.CreationError( |
123 | 'cannot create {} value object'.format(self._NAME.lower())) | |
81447b5b PP |
124 | |
125 | ||
126 | @functools.total_ordering | |
939a381a | 127 | class _NumericValue(_Value): |
81447b5b PP |
128 | @staticmethod |
129 | def _extract_value(other): | |
130 | if isinstance(other, _NumericValue): | |
9b6cd4a7 | 131 | return other._value |
81447b5b PP |
132 | |
133 | if other is True or other is False: | |
134 | return other | |
135 | ||
136 | if isinstance(other, numbers.Integral): | |
137 | return int(other) | |
138 | ||
139 | if isinstance(other, numbers.Real): | |
140 | return float(other) | |
141 | ||
142 | if isinstance(other, numbers.Complex): | |
143 | return complex(other) | |
144 | ||
145 | raise TypeError("'{}' object is not a number object".format(other.__class__.__name__)) | |
146 | ||
147 | def __int__(self): | |
9b6cd4a7 | 148 | return int(self._value) |
81447b5b PP |
149 | |
150 | def __float__(self): | |
9b6cd4a7 | 151 | return float(self._value) |
81447b5b | 152 | |
83656269 JG |
153 | def __repr__(self): |
154 | return repr(self._value) | |
81447b5b PP |
155 | |
156 | def __lt__(self, other): | |
157 | if not isinstance(other, numbers.Number): | |
158 | raise TypeError('unorderable types: {}() < {}()'.format(self.__class__.__name__, | |
159 | other.__class__.__name__)) | |
160 | ||
9b6cd4a7 | 161 | return self._value < float(other) |
81447b5b PP |
162 | |
163 | def __le__(self, other): | |
164 | if not isinstance(other, numbers.Number): | |
165 | raise TypeError('unorderable types: {}() <= {}()'.format(self.__class__.__name__, | |
166 | other.__class__.__name__)) | |
167 | ||
9b6cd4a7 | 168 | return self._value <= float(other) |
81447b5b PP |
169 | |
170 | def _spec_eq(self, other): | |
811644b8 | 171 | pass |
81447b5b PP |
172 | |
173 | def __eq__(self, other): | |
174 | if not isinstance(other, numbers.Number): | |
175 | return False | |
176 | ||
9b6cd4a7 | 177 | return self._value == complex(other) |
81447b5b PP |
178 | |
179 | def __rmod__(self, other): | |
9b6cd4a7 | 180 | return self._extract_value(other) % self._value |
81447b5b PP |
181 | |
182 | def __mod__(self, other): | |
9b6cd4a7 | 183 | return self._value % self._extract_value(other) |
81447b5b PP |
184 | |
185 | def __rfloordiv__(self, other): | |
9b6cd4a7 | 186 | return self._extract_value(other) // self._value |
81447b5b PP |
187 | |
188 | def __floordiv__(self, other): | |
9b6cd4a7 | 189 | return self._value // self._extract_value(other) |
81447b5b PP |
190 | |
191 | def __round__(self, ndigits=None): | |
192 | if ndigits is None: | |
9b6cd4a7 | 193 | return round(self._value) |
81447b5b | 194 | else: |
9b6cd4a7 | 195 | return round(self._value, ndigits) |
81447b5b PP |
196 | |
197 | def __ceil__(self): | |
9b6cd4a7 | 198 | return math.ceil(self._value) |
81447b5b PP |
199 | |
200 | def __floor__(self): | |
9b6cd4a7 | 201 | return math.floor(self._value) |
81447b5b PP |
202 | |
203 | def __trunc__(self): | |
9b6cd4a7 | 204 | return int(self._value) |
81447b5b PP |
205 | |
206 | def __abs__(self): | |
9b6cd4a7 | 207 | return abs(self._value) |
81447b5b PP |
208 | |
209 | def __add__(self, other): | |
9b6cd4a7 | 210 | return self._value + self._extract_value(other) |
81447b5b PP |
211 | |
212 | def __radd__(self, other): | |
213 | return self.__add__(other) | |
214 | ||
215 | def __neg__(self): | |
9b6cd4a7 | 216 | return -self._value |
81447b5b PP |
217 | |
218 | def __pos__(self): | |
9b6cd4a7 | 219 | return +self._value |
81447b5b PP |
220 | |
221 | def __mul__(self, other): | |
9b6cd4a7 | 222 | return self._value * self._extract_value(other) |
81447b5b PP |
223 | |
224 | def __rmul__(self, other): | |
225 | return self.__mul__(other) | |
226 | ||
227 | def __truediv__(self, other): | |
9b6cd4a7 | 228 | return self._value / self._extract_value(other) |
81447b5b PP |
229 | |
230 | def __rtruediv__(self, other): | |
9b6cd4a7 | 231 | return self._extract_value(other) / self._value |
81447b5b PP |
232 | |
233 | def __pow__(self, exponent): | |
9b6cd4a7 | 234 | return self._value ** self._extract_value(exponent) |
81447b5b PP |
235 | |
236 | def __rpow__(self, base): | |
9b6cd4a7 | 237 | return self._extract_value(base) ** self._value |
81447b5b PP |
238 | |
239 | def __iadd__(self, other): | |
240 | self.value = self + other | |
241 | return self | |
242 | ||
243 | def __isub__(self, other): | |
244 | self.value = self - other | |
245 | return self | |
246 | ||
247 | def __imul__(self, other): | |
248 | self.value = self * other | |
249 | return self | |
250 | ||
251 | def __itruediv__(self, other): | |
252 | self.value = self / other | |
253 | return self | |
254 | ||
255 | def __ifloordiv__(self, other): | |
256 | self.value = self // other | |
257 | return self | |
258 | ||
259 | def __imod__(self, other): | |
260 | self.value = self % other | |
261 | return self | |
262 | ||
263 | def __ipow__(self, other): | |
264 | self.value = self ** other | |
265 | return self | |
266 | ||
267 | ||
268 | class _IntegralValue(_NumericValue, numbers.Integral): | |
269 | def __lshift__(self, other): | |
9b6cd4a7 | 270 | return self._value << self._extract_value(other) |
81447b5b PP |
271 | |
272 | def __rlshift__(self, other): | |
9b6cd4a7 | 273 | return self._extract_value(other) << self._value |
81447b5b PP |
274 | |
275 | def __rshift__(self, other): | |
9b6cd4a7 | 276 | return self._value >> self._extract_value(other) |
81447b5b PP |
277 | |
278 | def __rrshift__(self, other): | |
9b6cd4a7 | 279 | return self._extract_value(other) >> self._value |
81447b5b PP |
280 | |
281 | def __and__(self, other): | |
9b6cd4a7 | 282 | return self._value & self._extract_value(other) |
81447b5b PP |
283 | |
284 | def __rand__(self, other): | |
9b6cd4a7 | 285 | return self._extract_value(other) & self._value |
81447b5b PP |
286 | |
287 | def __xor__(self, other): | |
9b6cd4a7 | 288 | return self._value ^ self._extract_value(other) |
81447b5b PP |
289 | |
290 | def __rxor__(self, other): | |
9b6cd4a7 | 291 | return self._extract_value(other) ^ self._value |
81447b5b PP |
292 | |
293 | def __or__(self, other): | |
9b6cd4a7 | 294 | return self._value | self._extract_value(other) |
81447b5b PP |
295 | |
296 | def __ror__(self, other): | |
9b6cd4a7 | 297 | return self._extract_value(other) | self._value |
81447b5b PP |
298 | |
299 | def __invert__(self): | |
9b6cd4a7 | 300 | return ~self._value |
81447b5b PP |
301 | |
302 | def __ilshift__(self, other): | |
303 | self.value = self << other | |
304 | return self | |
305 | ||
306 | def __irshift__(self, other): | |
307 | self.value = self >> other | |
308 | return self | |
309 | ||
310 | def __iand__(self, other): | |
311 | self.value = self & other | |
312 | return self | |
313 | ||
314 | def __ixor__(self, other): | |
315 | self.value = self ^ other | |
316 | return self | |
317 | ||
318 | def __ior__(self, other): | |
319 | self.value = self | other | |
320 | return self | |
321 | ||
322 | ||
323 | class _RealValue(_NumericValue, numbers.Real): | |
324 | pass | |
325 | ||
326 | ||
939a381a | 327 | class BoolValue(_Value): |
81447b5b PP |
328 | _NAME = 'Boolean' |
329 | ||
330 | def __init__(self, value=None): | |
331 | if value is None: | |
332 | ptr = native_bt.value_bool_create() | |
333 | else: | |
334 | ptr = native_bt.value_bool_create_init(self._value_to_bool(value)) | |
335 | ||
336 | self._check_create_status(ptr) | |
337 | super().__init__(ptr) | |
338 | ||
339 | def _spec_eq(self, other): | |
340 | if isinstance(other, numbers.Number): | |
9b6cd4a7 | 341 | return self._value == bool(other) |
81447b5b PP |
342 | |
343 | def __bool__(self): | |
9b6cd4a7 | 344 | return self._value |
81447b5b | 345 | |
83656269 JG |
346 | def __repr__(self): |
347 | return repr(self._value) | |
81447b5b PP |
348 | |
349 | def _value_to_bool(self, value): | |
350 | if isinstance(value, BoolValue): | |
9b6cd4a7 | 351 | value = value._value |
81447b5b PP |
352 | |
353 | if not isinstance(value, bool): | |
354 | raise TypeError("'{}' object is not a 'bool' or 'BoolValue' object".format(value.__class__)) | |
355 | ||
811644b8 | 356 | return int(value) |
81447b5b PP |
357 | |
358 | @property | |
9b6cd4a7 | 359 | def _value(self): |
939a381a SM |
360 | value = native_bt.value_bool_get(self._ptr) |
361 | return value != 0 | |
81447b5b | 362 | |
9b6cd4a7 | 363 | def _set_value(self, value): |
939a381a | 364 | native_bt.value_bool_set(self._ptr, self._value_to_bool(value)) |
81447b5b | 365 | |
9b6cd4a7 PP |
366 | value = property(fset=_set_value) |
367 | ||
81447b5b PP |
368 | |
369 | class IntegerValue(_IntegralValue): | |
370 | _NAME = 'Integer' | |
371 | ||
372 | def __init__(self, value=None): | |
373 | if value is None: | |
374 | ptr = native_bt.value_integer_create() | |
375 | else: | |
376 | ptr = native_bt.value_integer_create_init(self._value_to_int(value)) | |
377 | ||
378 | self._check_create_status(ptr) | |
379 | super().__init__(ptr) | |
380 | ||
381 | def _value_to_int(self, value): | |
382 | if not isinstance(value, numbers.Real): | |
383 | raise TypeError('expecting a number object') | |
384 | ||
385 | value = int(value) | |
386 | utils._check_int64(value) | |
387 | return value | |
388 | ||
389 | @property | |
9b6cd4a7 | 390 | def _value(self): |
939a381a | 391 | return native_bt.value_integer_get(self._ptr) |
81447b5b | 392 | |
9b6cd4a7 | 393 | def _set_value(self, value): |
939a381a | 394 | native_bt.value_integer_set(self._ptr, self._value_to_int(value)) |
81447b5b | 395 | |
9b6cd4a7 PP |
396 | value = property(fset=_set_value) |
397 | ||
81447b5b | 398 | |
939a381a SM |
399 | class RealValue(_RealValue): |
400 | _NAME = 'Real number' | |
81447b5b PP |
401 | |
402 | def __init__(self, value=None): | |
403 | if value is None: | |
939a381a | 404 | ptr = native_bt.value_real_create() |
81447b5b PP |
405 | else: |
406 | value = self._value_to_float(value) | |
939a381a | 407 | ptr = native_bt.value_real_create_init(value) |
81447b5b PP |
408 | |
409 | self._check_create_status(ptr) | |
410 | super().__init__(ptr) | |
411 | ||
412 | def _value_to_float(self, value): | |
413 | if not isinstance(value, numbers.Real): | |
414 | raise TypeError("expecting a real number object") | |
415 | ||
416 | return float(value) | |
417 | ||
418 | @property | |
9b6cd4a7 | 419 | def _value(self): |
939a381a | 420 | return native_bt.value_real_get(self._ptr) |
81447b5b | 421 | |
9b6cd4a7 | 422 | def _set_value(self, value): |
939a381a | 423 | native_bt.value_real_set(self._ptr, self._value_to_float(value)) |
81447b5b | 424 | |
9b6cd4a7 PP |
425 | value = property(fset=_set_value) |
426 | ||
81447b5b PP |
427 | |
428 | @functools.total_ordering | |
939a381a | 429 | class StringValue(collections.abc.Sequence, _Value): |
81447b5b PP |
430 | _NAME = 'String' |
431 | ||
432 | def __init__(self, value=None): | |
433 | if value is None: | |
434 | ptr = native_bt.value_string_create() | |
435 | else: | |
436 | ptr = native_bt.value_string_create_init(self._value_to_str(value)) | |
437 | ||
438 | self._check_create_status(ptr) | |
439 | super().__init__(ptr) | |
440 | ||
441 | def _value_to_str(self, value): | |
442 | if isinstance(value, self.__class__): | |
9b6cd4a7 | 443 | value = value._value |
81447b5b PP |
444 | |
445 | utils._check_str(value) | |
446 | return value | |
447 | ||
448 | @property | |
9b6cd4a7 | 449 | def _value(self): |
939a381a | 450 | return native_bt.value_string_get(self._ptr) |
81447b5b | 451 | |
9b6cd4a7 | 452 | def _set_value(self, value): |
81447b5b PP |
453 | status = native_bt.value_string_set(self._ptr, self._value_to_str(value)) |
454 | self._handle_status(status) | |
455 | ||
9b6cd4a7 PP |
456 | value = property(fset=_set_value) |
457 | ||
81447b5b PP |
458 | def _spec_eq(self, other): |
459 | try: | |
9b6cd4a7 | 460 | return self._value == self._value_to_str(other) |
81447b5b PP |
461 | except: |
462 | return | |
463 | ||
464 | def __le__(self, other): | |
9b6cd4a7 | 465 | return self._value <= self._value_to_str(other) |
81447b5b PP |
466 | |
467 | def __lt__(self, other): | |
9b6cd4a7 | 468 | return self._value < self._value_to_str(other) |
81447b5b PP |
469 | |
470 | def __bool__(self): | |
9b6cd4a7 | 471 | return bool(self._value) |
81447b5b | 472 | |
83656269 | 473 | def __repr__(self): |
939a381a | 474 | return repr(self._value) |
83656269 | 475 | |
81447b5b | 476 | def __str__(self): |
9b6cd4a7 | 477 | return self._value |
81447b5b PP |
478 | |
479 | def __getitem__(self, index): | |
9b6cd4a7 | 480 | return self._value[index] |
81447b5b PP |
481 | |
482 | def __len__(self): | |
9b6cd4a7 | 483 | return len(self._value) |
81447b5b PP |
484 | |
485 | def __iadd__(self, value): | |
9b6cd4a7 | 486 | curvalue = self._value |
81447b5b PP |
487 | curvalue += self._value_to_str(value) |
488 | self.value = curvalue | |
489 | return self | |
490 | ||
491 | ||
492 | class _Container: | |
493 | def __bool__(self): | |
494 | return len(self) != 0 | |
495 | ||
81447b5b PP |
496 | def __delitem__(self, index): |
497 | raise NotImplementedError | |
498 | ||
499 | ||
500 | class ArrayValue(_Container, collections.abc.MutableSequence, _Value): | |
501 | _NAME = 'Array' | |
502 | ||
503 | def __init__(self, value=None): | |
504 | ptr = native_bt.value_array_create() | |
505 | self._check_create_status(ptr) | |
506 | super().__init__(ptr) | |
507 | ||
508 | # Python will raise a TypeError if there's anything wrong with | |
509 | # the iterable protocol. | |
510 | if value is not None: | |
511 | for elem in value: | |
512 | self.append(elem) | |
513 | ||
514 | def _spec_eq(self, other): | |
515 | try: | |
516 | if len(self) != len(other): | |
517 | # early mismatch | |
518 | return False | |
519 | ||
520 | for self_elem, other_elem in zip(self, other): | |
521 | if self_elem != other_elem: | |
522 | return False | |
523 | ||
524 | return True | |
525 | except: | |
526 | return | |
527 | ||
528 | def __len__(self): | |
939a381a | 529 | size = native_bt.value_array_get_size(self._ptr) |
811644b8 | 530 | assert(size >= 0) |
81447b5b PP |
531 | return size |
532 | ||
533 | def _check_index(self, index): | |
534 | # TODO: support slices also | |
535 | if not isinstance(index, numbers.Integral): | |
536 | raise TypeError("'{}' object is not an integral number object: invalid index".format(index.__class__.__name__)) | |
537 | ||
538 | index = int(index) | |
539 | ||
540 | if index < 0 or index >= len(self): | |
541 | raise IndexError('array value object index is out of range') | |
542 | ||
543 | def __getitem__(self, index): | |
544 | self._check_index(index) | |
939a381a | 545 | ptr = native_bt.value_array_borrow_element_by_index(self._ptr, index) |
811644b8 | 546 | assert(ptr) |
939a381a | 547 | return _create_from_ptr_and_get_ref(ptr) |
81447b5b PP |
548 | |
549 | def __setitem__(self, index, value): | |
550 | self._check_index(index) | |
551 | value = create_value(value) | |
552 | ||
553 | if value is None: | |
554 | ptr = native_bt.value_null | |
555 | else: | |
556 | ptr = value._ptr | |
557 | ||
939a381a SM |
558 | status = native_bt.value_array_set_element_by_index( |
559 | self._ptr, index, ptr) | |
81447b5b PP |
560 | self._handle_status(status) |
561 | ||
562 | def append(self, value): | |
563 | value = create_value(value) | |
564 | ||
565 | if value is None: | |
566 | ptr = native_bt.value_null | |
567 | else: | |
568 | ptr = value._ptr | |
569 | ||
939a381a | 570 | status = native_bt.value_array_append_element(self._ptr, ptr) |
81447b5b PP |
571 | self._handle_status(status) |
572 | ||
573 | def __iadd__(self, iterable): | |
574 | # Python will raise a TypeError if there's anything wrong with | |
575 | # the iterable protocol. | |
576 | for elem in iterable: | |
577 | self.append(elem) | |
578 | ||
579 | return self | |
580 | ||
83656269 JG |
581 | def __repr__(self): |
582 | return '[{}]'.format(', '.join([repr(v) for v in self])) | |
81447b5b PP |
583 | |
584 | def insert(self, value): | |
585 | raise NotImplementedError | |
586 | ||
587 | ||
588 | class _MapValueKeyIterator(collections.abc.Iterator): | |
589 | def __init__(self, map_obj): | |
590 | self._map_obj = map_obj | |
591 | self._at = 0 | |
939a381a | 592 | keys_ptr = native_bt.value_map_get_keys(map_obj._ptr) |
81447b5b PP |
593 | |
594 | if keys_ptr is None: | |
595 | raise RuntimeError('unexpected error: cannot get map value object keys') | |
596 | ||
597 | self._keys = _create_from_ptr(keys_ptr) | |
598 | ||
599 | def __next__(self): | |
600 | if self._at == len(self._map_obj): | |
601 | raise StopIteration | |
602 | ||
603 | key = self._keys[self._at] | |
604 | self._at += 1 | |
605 | return str(key) | |
606 | ||
607 | ||
608 | class MapValue(_Container, collections.abc.MutableMapping, _Value): | |
609 | _NAME = 'Map' | |
610 | ||
611 | def __init__(self, value=None): | |
612 | ptr = native_bt.value_map_create() | |
613 | self._check_create_status(ptr) | |
614 | super().__init__(ptr) | |
615 | ||
616 | # Python will raise a TypeError if there's anything wrong with | |
617 | # the iterable/mapping protocol. | |
618 | if value is not None: | |
619 | for key, elem in value.items(): | |
620 | self[key] = elem | |
621 | ||
622 | def __eq__(self, other): | |
623 | return _Value.__eq__(self, other) | |
624 | ||
625 | def __ne__(self, other): | |
626 | return _Value.__ne__(self, other) | |
627 | ||
628 | def _spec_eq(self, other): | |
629 | try: | |
630 | if len(self) != len(other): | |
631 | # early mismatch | |
632 | return False | |
633 | ||
634 | for self_key in self: | |
635 | if self_key not in other: | |
636 | return False | |
637 | ||
638 | self_value = self[self_key] | |
639 | other_value = other[self_key] | |
640 | ||
641 | if self_value != other_value: | |
642 | return False | |
643 | ||
644 | return True | |
645 | except: | |
646 | return | |
647 | ||
648 | def __len__(self): | |
939a381a | 649 | size = native_bt.value_map_get_size(self._ptr) |
811644b8 | 650 | assert(size >= 0) |
81447b5b PP |
651 | return size |
652 | ||
653 | def __contains__(self, key): | |
654 | self._check_key_type(key) | |
939a381a | 655 | return native_bt.value_map_has_entry(self._ptr, key) |
81447b5b PP |
656 | |
657 | def _check_key_type(self, key): | |
658 | utils._check_str(key) | |
659 | ||
660 | def _check_key(self, key): | |
661 | if key not in self: | |
662 | raise KeyError(key) | |
663 | ||
664 | def __getitem__(self, key): | |
665 | self._check_key(key) | |
939a381a | 666 | ptr = native_bt.value_map_borrow_entry_value(self._ptr, key) |
811644b8 | 667 | assert(ptr) |
939a381a | 668 | return _create_from_ptr_and_get_ref(ptr) |
81447b5b PP |
669 | |
670 | def __iter__(self): | |
671 | return _MapValueKeyIterator(self) | |
672 | ||
673 | def __setitem__(self, key, value): | |
674 | self._check_key_type(key) | |
675 | value = create_value(value) | |
676 | ||
677 | if value is None: | |
678 | ptr = native_bt.value_null | |
679 | else: | |
680 | ptr = value._ptr | |
681 | ||
939a381a | 682 | status = native_bt.value_map_insert_entry(self._ptr, key, ptr) |
81447b5b PP |
683 | self._handle_status(status) |
684 | ||
83656269 JG |
685 | def __repr__(self): |
686 | items = ['{}: {}'.format(repr(k), repr(v)) for k, v in self.items()] | |
687 | return '{{{}}}'.format(', '.join(items)) | |
81447b5b PP |
688 | |
689 | ||
690 | _TYPE_TO_OBJ = { | |
691 | native_bt.VALUE_TYPE_BOOL: BoolValue, | |
692 | native_bt.VALUE_TYPE_INTEGER: IntegerValue, | |
939a381a | 693 | native_bt.VALUE_TYPE_REAL: RealValue, |
81447b5b PP |
694 | native_bt.VALUE_TYPE_STRING: StringValue, |
695 | native_bt.VALUE_TYPE_ARRAY: ArrayValue, | |
696 | native_bt.VALUE_TYPE_MAP: MapValue, | |
697 | } |