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1 | # The MIT License (MIT) |
2 | # | |
3 | # Copyright (c) 2016 Philippe Proulx <pproulx@efficios.com> | |
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 | |
35 | ||
36 | if status == native_bt.VALUE_STATUS_FROZEN: | |
37 | raise bt2.FrozenError('{} value object is frozen'.format(obj_name)) | |
38 | elif status == native_bt.VALUE_STATUS_INVAL: | |
39 | # In practice, this should never happen, because arguments | |
40 | # should always be validated in this Python module before | |
41 | # calling the native functions. | |
42 | raise ValueError('unexpected invalid argument') | |
43 | else: | |
44 | # In practice, this should never happen, because arguments | |
45 | # should always be validated in this Python module before | |
46 | # calling the native functions. | |
47 | raise RuntimeError('unexpected error') | |
48 | ||
49 | ||
50 | def _create_from_ptr(ptr): | |
51 | if ptr is None or ptr == native_bt.value_null: | |
52 | return | |
53 | ||
54 | typeid = native_bt.value_get_type(ptr) | |
55 | return _TYPE_TO_OBJ[typeid]._create_from_ptr(ptr) | |
56 | ||
57 | ||
58 | def create_value(value): | |
59 | if value is None: | |
60 | # null value object | |
61 | return | |
62 | ||
63 | if isinstance(value, _Value): | |
64 | return value | |
65 | ||
66 | if isinstance(value, bool): | |
67 | return BoolValue(value) | |
68 | ||
69 | if isinstance(value, int): | |
70 | return IntegerValue(value) | |
71 | ||
72 | if isinstance(value, float): | |
73 | return FloatValue(value) | |
74 | ||
75 | if isinstance(value, str): | |
76 | return StringValue(value) | |
77 | ||
78 | try: | |
79 | return MapValue(value) | |
80 | except: | |
81 | pass | |
82 | ||
83 | try: | |
84 | return ArrayValue(value) | |
85 | except: | |
86 | pass | |
87 | ||
88 | raise TypeError("cannot create value object from '{}' object".format(value.__class__.__name__)) | |
89 | ||
90 | ||
91 | class _Value(object._Object, object._Freezable, metaclass=abc.ABCMeta): | |
92 | def __init__(self, ptr): | |
93 | super().__init__(ptr) | |
94 | ||
95 | def __eq__(self, other): | |
96 | if other is None: | |
97 | # self is never the null value object | |
98 | return False | |
99 | ||
100 | # try type-specific comparison first | |
101 | spec_eq = self._spec_eq(other) | |
102 | ||
103 | if spec_eq is not None: | |
104 | return spec_eq | |
105 | ||
106 | if not isinstance(other, _Value): | |
107 | # not comparing apples to apples | |
108 | return False | |
109 | ||
110 | # fall back to native comparison function | |
111 | return native_bt.value_compare(self._ptr, other._ptr) | |
112 | ||
113 | def __ne__(self, other): | |
114 | return not (self == other) | |
115 | ||
116 | @abc.abstractmethod | |
117 | def _spec_eq(self, other): | |
118 | pass | |
119 | ||
120 | def _handle_status(self, status): | |
121 | _handle_status(status, self._NAME) | |
122 | ||
123 | def _check_create_status(self, ptr): | |
124 | if ptr is None: | |
125 | raise bt2.CreationError('cannot create {} value object'.format(self._NAME.lower())) | |
126 | ||
127 | def _is_frozen(self): | |
128 | return native_bt.value_is_frozen(self._ptr) | |
129 | ||
130 | def _freeze(self): | |
131 | status = native_bt.value_freeze(self._ptr) | |
132 | self._handle_status(status) | |
133 | ||
134 | ||
135 | class _BasicCopy: | |
136 | def __copy__(self): | |
137 | return self.__class__(self.value) | |
138 | ||
139 | def __deepcopy__(self, memo): | |
140 | copy = self.__copy__() | |
141 | memo[id(self)] = copy | |
142 | return copy | |
143 | ||
144 | ||
145 | @functools.total_ordering | |
146 | class _NumericValue(_Value, _BasicCopy): | |
147 | @staticmethod | |
148 | def _extract_value(other): | |
149 | if isinstance(other, _NumericValue): | |
150 | return other.value | |
151 | ||
152 | if other is True or other is False: | |
153 | return other | |
154 | ||
155 | if isinstance(other, numbers.Integral): | |
156 | return int(other) | |
157 | ||
158 | if isinstance(other, numbers.Real): | |
159 | return float(other) | |
160 | ||
161 | if isinstance(other, numbers.Complex): | |
162 | return complex(other) | |
163 | ||
164 | raise TypeError("'{}' object is not a number object".format(other.__class__.__name__)) | |
165 | ||
166 | def __int__(self): | |
167 | return int(self.value) | |
168 | ||
169 | def __float__(self): | |
170 | return float(self.value) | |
171 | ||
172 | def __str__(self): | |
173 | return str(self.value) | |
174 | ||
175 | def __lt__(self, other): | |
176 | if not isinstance(other, numbers.Number): | |
177 | raise TypeError('unorderable types: {}() < {}()'.format(self.__class__.__name__, | |
178 | other.__class__.__name__)) | |
179 | ||
180 | return self.value < float(other) | |
181 | ||
182 | def __le__(self, other): | |
183 | if not isinstance(other, numbers.Number): | |
184 | raise TypeError('unorderable types: {}() <= {}()'.format(self.__class__.__name__, | |
185 | other.__class__.__name__)) | |
186 | ||
187 | return self.value <= float(other) | |
188 | ||
189 | def _spec_eq(self, other): | |
190 | return | |
191 | ||
192 | def __eq__(self, other): | |
193 | if not isinstance(other, numbers.Number): | |
194 | return False | |
195 | ||
196 | return self.value == complex(other) | |
197 | ||
198 | def __rmod__(self, other): | |
199 | return self._extract_value(other) % self.value | |
200 | ||
201 | def __mod__(self, other): | |
202 | return self.value % self._extract_value(other) | |
203 | ||
204 | def __rfloordiv__(self, other): | |
205 | return self._extract_value(other) // self.value | |
206 | ||
207 | def __floordiv__(self, other): | |
208 | return self.value // self._extract_value(other) | |
209 | ||
210 | def __round__(self, ndigits=None): | |
211 | if ndigits is None: | |
212 | return round(self.value) | |
213 | else: | |
214 | return round(self.value, ndigits) | |
215 | ||
216 | def __ceil__(self): | |
217 | return math.ceil(self.value) | |
218 | ||
219 | def __floor__(self): | |
220 | return math.floor(self.value) | |
221 | ||
222 | def __trunc__(self): | |
223 | return int(self.value) | |
224 | ||
225 | def __abs__(self): | |
226 | return abs(self.value) | |
227 | ||
228 | def __add__(self, other): | |
229 | return self.value + self._extract_value(other) | |
230 | ||
231 | def __radd__(self, other): | |
232 | return self.__add__(other) | |
233 | ||
234 | def __neg__(self): | |
235 | return -self.value | |
236 | ||
237 | def __pos__(self): | |
238 | return +self.value | |
239 | ||
240 | def __mul__(self, other): | |
241 | return self.value * self._extract_value(other) | |
242 | ||
243 | def __rmul__(self, other): | |
244 | return self.__mul__(other) | |
245 | ||
246 | def __truediv__(self, other): | |
247 | return self.value / self._extract_value(other) | |
248 | ||
249 | def __rtruediv__(self, other): | |
250 | return self._extract_value(other) / self.value | |
251 | ||
252 | def __pow__(self, exponent): | |
253 | return self.value ** self._extract_value(exponent) | |
254 | ||
255 | def __rpow__(self, base): | |
256 | return self._extract_value(base) ** self.value | |
257 | ||
258 | def __iadd__(self, other): | |
259 | self.value = self + other | |
260 | return self | |
261 | ||
262 | def __isub__(self, other): | |
263 | self.value = self - other | |
264 | return self | |
265 | ||
266 | def __imul__(self, other): | |
267 | self.value = self * other | |
268 | return self | |
269 | ||
270 | def __itruediv__(self, other): | |
271 | self.value = self / other | |
272 | return self | |
273 | ||
274 | def __ifloordiv__(self, other): | |
275 | self.value = self // other | |
276 | return self | |
277 | ||
278 | def __imod__(self, other): | |
279 | self.value = self % other | |
280 | return self | |
281 | ||
282 | def __ipow__(self, other): | |
283 | self.value = self ** other | |
284 | return self | |
285 | ||
286 | ||
287 | class _IntegralValue(_NumericValue, numbers.Integral): | |
288 | def __lshift__(self, other): | |
289 | return self.value << self._extract_value(other) | |
290 | ||
291 | def __rlshift__(self, other): | |
292 | return self._extract_value(other) << self.value | |
293 | ||
294 | def __rshift__(self, other): | |
295 | return self.value >> self._extract_value(other) | |
296 | ||
297 | def __rrshift__(self, other): | |
298 | return self._extract_value(other) >> self.value | |
299 | ||
300 | def __and__(self, other): | |
301 | return self.value & self._extract_value(other) | |
302 | ||
303 | def __rand__(self, other): | |
304 | return self._extract_value(other) & self.value | |
305 | ||
306 | def __xor__(self, other): | |
307 | return self.value ^ self._extract_value(other) | |
308 | ||
309 | def __rxor__(self, other): | |
310 | return self._extract_value(other) ^ self.value | |
311 | ||
312 | def __or__(self, other): | |
313 | return self.value | self._extract_value(other) | |
314 | ||
315 | def __ror__(self, other): | |
316 | return self._extract_value(other) | self.value | |
317 | ||
318 | def __invert__(self): | |
319 | return ~self.value | |
320 | ||
321 | def __ilshift__(self, other): | |
322 | self.value = self << other | |
323 | return self | |
324 | ||
325 | def __irshift__(self, other): | |
326 | self.value = self >> other | |
327 | return self | |
328 | ||
329 | def __iand__(self, other): | |
330 | self.value = self & other | |
331 | return self | |
332 | ||
333 | def __ixor__(self, other): | |
334 | self.value = self ^ other | |
335 | return self | |
336 | ||
337 | def __ior__(self, other): | |
338 | self.value = self | other | |
339 | return self | |
340 | ||
341 | ||
342 | class _RealValue(_NumericValue, numbers.Real): | |
343 | pass | |
344 | ||
345 | ||
346 | class BoolValue(_Value, _BasicCopy): | |
347 | _NAME = 'Boolean' | |
348 | ||
349 | def __init__(self, value=None): | |
350 | if value is None: | |
351 | ptr = native_bt.value_bool_create() | |
352 | else: | |
353 | ptr = native_bt.value_bool_create_init(self._value_to_bool(value)) | |
354 | ||
355 | self._check_create_status(ptr) | |
356 | super().__init__(ptr) | |
357 | ||
358 | def _spec_eq(self, other): | |
359 | if isinstance(other, numbers.Number): | |
360 | return self.value == bool(other) | |
361 | ||
362 | def __bool__(self): | |
363 | return self.value | |
364 | ||
365 | def __str__(self): | |
366 | return str(self.value) | |
367 | ||
368 | def _value_to_bool(self, value): | |
369 | if isinstance(value, BoolValue): | |
370 | value = value.value | |
371 | ||
372 | if not isinstance(value, bool): | |
373 | raise TypeError("'{}' object is not a 'bool' or 'BoolValue' object".format(value.__class__)) | |
374 | ||
375 | return value | |
376 | ||
377 | @property | |
378 | def value(self): | |
379 | status, value = native_bt.value_bool_get(self._ptr) | |
380 | self._handle_status(status) | |
381 | return value | |
382 | ||
383 | @value.setter | |
384 | def value(self, value): | |
385 | status = native_bt.value_bool_set(self._ptr, self._value_to_bool(value)) | |
386 | self._handle_status(status) | |
387 | ||
388 | ||
389 | class IntegerValue(_IntegralValue): | |
390 | _NAME = 'Integer' | |
391 | ||
392 | def __init__(self, value=None): | |
393 | if value is None: | |
394 | ptr = native_bt.value_integer_create() | |
395 | else: | |
396 | ptr = native_bt.value_integer_create_init(self._value_to_int(value)) | |
397 | ||
398 | self._check_create_status(ptr) | |
399 | super().__init__(ptr) | |
400 | ||
401 | def _value_to_int(self, value): | |
402 | if not isinstance(value, numbers.Real): | |
403 | raise TypeError('expecting a number object') | |
404 | ||
405 | value = int(value) | |
406 | utils._check_int64(value) | |
407 | return value | |
408 | ||
409 | @property | |
410 | def value(self): | |
411 | status, value = native_bt.value_integer_get(self._ptr) | |
412 | self._handle_status(status) | |
413 | return value | |
414 | ||
415 | @value.setter | |
416 | def value(self, value): | |
417 | status = native_bt.value_integer_set(self._ptr, self._value_to_int(value)) | |
418 | self._handle_status(status) | |
419 | ||
420 | ||
421 | class FloatValue(_RealValue): | |
422 | _NAME = 'Floating point number' | |
423 | ||
424 | def __init__(self, value=None): | |
425 | if value is None: | |
426 | ptr = native_bt.value_float_create() | |
427 | else: | |
428 | value = self._value_to_float(value) | |
429 | ptr = native_bt.value_float_create_init(value) | |
430 | ||
431 | self._check_create_status(ptr) | |
432 | super().__init__(ptr) | |
433 | ||
434 | def _value_to_float(self, value): | |
435 | if not isinstance(value, numbers.Real): | |
436 | raise TypeError("expecting a real number object") | |
437 | ||
438 | return float(value) | |
439 | ||
440 | @property | |
441 | def value(self): | |
442 | status, value = native_bt.value_float_get(self._ptr) | |
443 | self._handle_status(status) | |
444 | return value | |
445 | ||
446 | @value.setter | |
447 | def value(self, value): | |
448 | value = self._value_to_float(value) | |
449 | status = native_bt.value_float_set(self._ptr, value) | |
450 | self._handle_status(status) | |
451 | ||
452 | ||
453 | @functools.total_ordering | |
454 | class StringValue(_BasicCopy, collections.abc.Sequence, _Value): | |
455 | _NAME = 'String' | |
456 | ||
457 | def __init__(self, value=None): | |
458 | if value is None: | |
459 | ptr = native_bt.value_string_create() | |
460 | else: | |
461 | ptr = native_bt.value_string_create_init(self._value_to_str(value)) | |
462 | ||
463 | self._check_create_status(ptr) | |
464 | super().__init__(ptr) | |
465 | ||
466 | def _value_to_str(self, value): | |
467 | if isinstance(value, self.__class__): | |
468 | value = value.value | |
469 | ||
470 | utils._check_str(value) | |
471 | return value | |
472 | ||
473 | @property | |
474 | def value(self): | |
475 | status, value = native_bt.value_string_get(self._ptr) | |
476 | self._handle_status(status) | |
477 | return value | |
478 | ||
479 | @value.setter | |
480 | def value(self, value): | |
481 | status = native_bt.value_string_set(self._ptr, self._value_to_str(value)) | |
482 | self._handle_status(status) | |
483 | ||
484 | def _spec_eq(self, other): | |
485 | try: | |
486 | return self.value == self._value_to_str(other) | |
487 | except: | |
488 | return | |
489 | ||
490 | def __le__(self, other): | |
491 | return self.value <= self._value_to_str(other) | |
492 | ||
493 | def __lt__(self, other): | |
494 | return self.value < self._value_to_str(other) | |
495 | ||
496 | def __bool__(self): | |
497 | return bool(self.value) | |
498 | ||
499 | def __str__(self): | |
500 | return self.value | |
501 | ||
502 | def __getitem__(self, index): | |
503 | return self.value[index] | |
504 | ||
505 | def __len__(self): | |
506 | return len(self.value) | |
507 | ||
508 | def __iadd__(self, value): | |
509 | curvalue = self.value | |
510 | curvalue += self._value_to_str(value) | |
511 | self.value = curvalue | |
512 | return self | |
513 | ||
514 | ||
515 | class _Container: | |
516 | def __bool__(self): | |
517 | return len(self) != 0 | |
518 | ||
519 | def __copy__(self): | |
520 | return self.__class__(self) | |
521 | ||
522 | def __deepcopy__(self, memo): | |
523 | ptr = native_bt.value_copy(self._ptr) | |
524 | ||
525 | if ptr is None: | |
526 | fmt = 'unexpected error: cannot deep-copy {} value object' | |
527 | raise RuntimeError(fmt.format(self._NAME)) | |
528 | ||
529 | copy = self.__class__._create_from_ptr(ptr) | |
530 | memo[id(self)] = copy | |
531 | return copy | |
532 | ||
533 | def __delitem__(self, index): | |
534 | raise NotImplementedError | |
535 | ||
536 | ||
537 | class ArrayValue(_Container, collections.abc.MutableSequence, _Value): | |
538 | _NAME = 'Array' | |
539 | ||
540 | def __init__(self, value=None): | |
541 | ptr = native_bt.value_array_create() | |
542 | self._check_create_status(ptr) | |
543 | super().__init__(ptr) | |
544 | ||
545 | # Python will raise a TypeError if there's anything wrong with | |
546 | # the iterable protocol. | |
547 | if value is not None: | |
548 | for elem in value: | |
549 | self.append(elem) | |
550 | ||
551 | def _spec_eq(self, other): | |
552 | try: | |
553 | if len(self) != len(other): | |
554 | # early mismatch | |
555 | return False | |
556 | ||
557 | for self_elem, other_elem in zip(self, other): | |
558 | if self_elem != other_elem: | |
559 | return False | |
560 | ||
561 | return True | |
562 | except: | |
563 | return | |
564 | ||
565 | def __len__(self): | |
566 | size = native_bt.value_array_size(self._ptr) | |
567 | self._handle_status(size) | |
568 | return size | |
569 | ||
570 | def _check_index(self, index): | |
571 | # TODO: support slices also | |
572 | if not isinstance(index, numbers.Integral): | |
573 | raise TypeError("'{}' object is not an integral number object: invalid index".format(index.__class__.__name__)) | |
574 | ||
575 | index = int(index) | |
576 | ||
577 | if index < 0 or index >= len(self): | |
578 | raise IndexError('array value object index is out of range') | |
579 | ||
580 | def __getitem__(self, index): | |
581 | self._check_index(index) | |
582 | ptr = native_bt.value_array_get(self._ptr, index) | |
583 | ||
584 | if ptr is None: | |
585 | raise RuntimeError('unexpected error: cannot get array value object element') | |
586 | ||
587 | return _create_from_ptr(ptr) | |
588 | ||
589 | def __setitem__(self, index, value): | |
590 | self._check_index(index) | |
591 | value = create_value(value) | |
592 | ||
593 | if value is None: | |
594 | ptr = native_bt.value_null | |
595 | else: | |
596 | ptr = value._ptr | |
597 | ||
598 | status = native_bt.value_array_set(self._ptr, index, ptr) | |
599 | self._handle_status(status) | |
600 | ||
601 | def append(self, value): | |
602 | value = create_value(value) | |
603 | ||
604 | if value is None: | |
605 | ptr = native_bt.value_null | |
606 | else: | |
607 | ptr = value._ptr | |
608 | ||
609 | status = native_bt.value_array_append(self._ptr, ptr) | |
610 | self._handle_status(status) | |
611 | ||
612 | def __iadd__(self, iterable): | |
613 | # Python will raise a TypeError if there's anything wrong with | |
614 | # the iterable protocol. | |
615 | for elem in iterable: | |
616 | self.append(elem) | |
617 | ||
618 | return self | |
619 | ||
620 | def __str__(self): | |
621 | strings = [] | |
622 | ||
623 | for elem in self: | |
624 | if isinstance(elem, StringValue): | |
625 | strings.append(repr(elem.value)) | |
626 | else: | |
627 | strings.append(str(elem)) | |
628 | ||
629 | return '[{}]'.format(', '.join(strings)) | |
630 | ||
631 | def insert(self, value): | |
632 | raise NotImplementedError | |
633 | ||
634 | ||
635 | class _MapValueKeyIterator(collections.abc.Iterator): | |
636 | def __init__(self, map_obj): | |
637 | self._map_obj = map_obj | |
638 | self._at = 0 | |
639 | keys_ptr = native_bt.value_map_get_keys_private(map_obj._ptr) | |
640 | ||
641 | if keys_ptr is None: | |
642 | raise RuntimeError('unexpected error: cannot get map value object keys') | |
643 | ||
644 | self._keys = _create_from_ptr(keys_ptr) | |
645 | ||
646 | def __next__(self): | |
647 | if self._at == len(self._map_obj): | |
648 | raise StopIteration | |
649 | ||
650 | key = self._keys[self._at] | |
651 | self._at += 1 | |
652 | return str(key) | |
653 | ||
654 | ||
655 | class MapValue(_Container, collections.abc.MutableMapping, _Value): | |
656 | _NAME = 'Map' | |
657 | ||
658 | def __init__(self, value=None): | |
659 | ptr = native_bt.value_map_create() | |
660 | self._check_create_status(ptr) | |
661 | super().__init__(ptr) | |
662 | ||
663 | # Python will raise a TypeError if there's anything wrong with | |
664 | # the iterable/mapping protocol. | |
665 | if value is not None: | |
666 | for key, elem in value.items(): | |
667 | self[key] = elem | |
668 | ||
669 | def __eq__(self, other): | |
670 | return _Value.__eq__(self, other) | |
671 | ||
672 | def __ne__(self, other): | |
673 | return _Value.__ne__(self, other) | |
674 | ||
675 | def _spec_eq(self, other): | |
676 | try: | |
677 | if len(self) != len(other): | |
678 | # early mismatch | |
679 | return False | |
680 | ||
681 | for self_key in self: | |
682 | if self_key not in other: | |
683 | return False | |
684 | ||
685 | self_value = self[self_key] | |
686 | other_value = other[self_key] | |
687 | ||
688 | if self_value != other_value: | |
689 | return False | |
690 | ||
691 | return True | |
692 | except: | |
693 | return | |
694 | ||
695 | def __len__(self): | |
696 | size = native_bt.value_map_size(self._ptr) | |
697 | self._handle_status(size) | |
698 | return size | |
699 | ||
700 | def __contains__(self, key): | |
701 | self._check_key_type(key) | |
702 | return native_bt.value_map_has_key(self._ptr, key) | |
703 | ||
704 | def _check_key_type(self, key): | |
705 | utils._check_str(key) | |
706 | ||
707 | def _check_key(self, key): | |
708 | if key not in self: | |
709 | raise KeyError(key) | |
710 | ||
711 | def __getitem__(self, key): | |
712 | self._check_key(key) | |
713 | ptr = native_bt.value_map_get(self._ptr, key) | |
714 | ||
715 | if ptr is None: | |
716 | raise RuntimeError('unexpected error: cannot get map value object element') | |
717 | ||
718 | return _create_from_ptr(ptr) | |
719 | ||
720 | def __iter__(self): | |
721 | return _MapValueKeyIterator(self) | |
722 | ||
723 | def __setitem__(self, key, value): | |
724 | self._check_key_type(key) | |
725 | value = create_value(value) | |
726 | ||
727 | if value is None: | |
728 | ptr = native_bt.value_null | |
729 | else: | |
730 | ptr = value._ptr | |
731 | ||
732 | status = native_bt.value_map_insert(self._ptr, key, ptr) | |
733 | self._handle_status(status) | |
734 | ||
735 | def __str__(self): | |
736 | strings = [] | |
737 | ||
738 | for key, elem in self.items(): | |
739 | if isinstance(elem, StringValue): | |
740 | value = repr(elem.value) | |
741 | else: | |
742 | value = str(elem) | |
743 | ||
744 | strings.append('{}: {}'.format(repr(key), value)) | |
745 | ||
746 | return '{{{}}}'.format(', '.join(strings)) | |
747 | ||
748 | ||
749 | _TYPE_TO_OBJ = { | |
750 | native_bt.VALUE_TYPE_BOOL: BoolValue, | |
751 | native_bt.VALUE_TYPE_INTEGER: IntegerValue, | |
752 | native_bt.VALUE_TYPE_FLOAT: FloatValue, | |
753 | native_bt.VALUE_TYPE_STRING: StringValue, | |
754 | native_bt.VALUE_TYPE_ARRAY: ArrayValue, | |
755 | native_bt.VALUE_TYPE_MAP: MapValue, | |
756 | } |