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81447b5b PP |
1 | # The MIT License (MIT) |
2 | # | |
f6a5e476 | 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 | ||
77b70d39 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): | |
68d9d039 | 67 | return SignedIntegerValue(value) |
81447b5b PP |
68 | |
69 | if isinstance(value, float): | |
77b70d39 | 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 | ||
c3044a97 | 88 | class _Value(object._SharedObject, metaclass=abc.ABCMeta): |
a49e2cc3 PP |
89 | _get_ref = staticmethod(native_bt.value_get_ref) |
90 | _put_ref = staticmethod(native_bt.value_put_ref) | |
77b70d39 | 91 | |
81447b5b PP |
92 | def __ne__(self, other): |
93 | return not (self == other) | |
94 | ||
81447b5b PP |
95 | def _handle_status(self, status): |
96 | _handle_status(status, self._NAME) | |
97 | ||
98 | def _check_create_status(self, ptr): | |
99 | if ptr is None: | |
77b70d39 SM |
100 | raise bt2.CreationError( |
101 | 'cannot create {} value object'.format(self._NAME.lower())) | |
81447b5b PP |
102 | |
103 | ||
104 | @functools.total_ordering | |
77b70d39 | 105 | class _NumericValue(_Value): |
81447b5b PP |
106 | @staticmethod |
107 | def _extract_value(other): | |
cfc3ccc1 PP |
108 | if isinstance(other, BoolValue) or isinstance(other, bool): |
109 | return bool(other) | |
81447b5b PP |
110 | |
111 | if isinstance(other, numbers.Integral): | |
112 | return int(other) | |
113 | ||
114 | if isinstance(other, numbers.Real): | |
115 | return float(other) | |
116 | ||
117 | if isinstance(other, numbers.Complex): | |
118 | return complex(other) | |
119 | ||
120 | raise TypeError("'{}' object is not a number object".format(other.__class__.__name__)) | |
121 | ||
122 | def __int__(self): | |
72bd7054 | 123 | return int(self._value) |
81447b5b PP |
124 | |
125 | def __float__(self): | |
72bd7054 | 126 | return float(self._value) |
81447b5b | 127 | |
2ef5b04b JG |
128 | def __repr__(self): |
129 | return repr(self._value) | |
81447b5b PP |
130 | |
131 | def __lt__(self, other): | |
5f953519 | 132 | return self._value < self._extract_value(other) |
81447b5b | 133 | |
81447b5b | 134 | def __eq__(self, other): |
cfc3ccc1 PP |
135 | try: |
136 | return self._value == self._extract_value(other) | |
137 | except: | |
81447b5b PP |
138 | return False |
139 | ||
81447b5b | 140 | def __rmod__(self, other): |
72bd7054 | 141 | return self._extract_value(other) % self._value |
81447b5b PP |
142 | |
143 | def __mod__(self, other): | |
72bd7054 | 144 | return self._value % self._extract_value(other) |
81447b5b PP |
145 | |
146 | def __rfloordiv__(self, other): | |
72bd7054 | 147 | return self._extract_value(other) // self._value |
81447b5b PP |
148 | |
149 | def __floordiv__(self, other): | |
72bd7054 | 150 | return self._value // self._extract_value(other) |
81447b5b PP |
151 | |
152 | def __round__(self, ndigits=None): | |
153 | if ndigits is None: | |
72bd7054 | 154 | return round(self._value) |
81447b5b | 155 | else: |
72bd7054 | 156 | return round(self._value, ndigits) |
81447b5b PP |
157 | |
158 | def __ceil__(self): | |
72bd7054 | 159 | return math.ceil(self._value) |
81447b5b PP |
160 | |
161 | def __floor__(self): | |
72bd7054 | 162 | return math.floor(self._value) |
81447b5b PP |
163 | |
164 | def __trunc__(self): | |
72bd7054 | 165 | return int(self._value) |
81447b5b PP |
166 | |
167 | def __abs__(self): | |
72bd7054 | 168 | return abs(self._value) |
81447b5b PP |
169 | |
170 | def __add__(self, other): | |
72bd7054 | 171 | return self._value + self._extract_value(other) |
81447b5b PP |
172 | |
173 | def __radd__(self, other): | |
174 | return self.__add__(other) | |
175 | ||
176 | def __neg__(self): | |
72bd7054 | 177 | return -self._value |
81447b5b PP |
178 | |
179 | def __pos__(self): | |
72bd7054 | 180 | return +self._value |
81447b5b PP |
181 | |
182 | def __mul__(self, other): | |
72bd7054 | 183 | return self._value * self._extract_value(other) |
81447b5b PP |
184 | |
185 | def __rmul__(self, other): | |
186 | return self.__mul__(other) | |
187 | ||
188 | def __truediv__(self, other): | |
72bd7054 | 189 | return self._value / self._extract_value(other) |
81447b5b PP |
190 | |
191 | def __rtruediv__(self, other): | |
72bd7054 | 192 | return self._extract_value(other) / self._value |
81447b5b PP |
193 | |
194 | def __pow__(self, exponent): | |
72bd7054 | 195 | return self._value ** self._extract_value(exponent) |
81447b5b PP |
196 | |
197 | def __rpow__(self, base): | |
72bd7054 | 198 | return self._extract_value(base) ** self._value |
81447b5b PP |
199 | |
200 | def __iadd__(self, other): | |
201 | self.value = self + other | |
202 | return self | |
203 | ||
204 | def __isub__(self, other): | |
205 | self.value = self - other | |
206 | return self | |
207 | ||
208 | def __imul__(self, other): | |
209 | self.value = self * other | |
210 | return self | |
211 | ||
212 | def __itruediv__(self, other): | |
213 | self.value = self / other | |
214 | return self | |
215 | ||
216 | def __ifloordiv__(self, other): | |
217 | self.value = self // other | |
218 | return self | |
219 | ||
220 | def __imod__(self, other): | |
221 | self.value = self % other | |
222 | return self | |
223 | ||
224 | def __ipow__(self, other): | |
225 | self.value = self ** other | |
226 | return self | |
227 | ||
228 | ||
229 | class _IntegralValue(_NumericValue, numbers.Integral): | |
230 | def __lshift__(self, other): | |
72bd7054 | 231 | return self._value << self._extract_value(other) |
81447b5b PP |
232 | |
233 | def __rlshift__(self, other): | |
72bd7054 | 234 | return self._extract_value(other) << self._value |
81447b5b PP |
235 | |
236 | def __rshift__(self, other): | |
72bd7054 | 237 | return self._value >> self._extract_value(other) |
81447b5b PP |
238 | |
239 | def __rrshift__(self, other): | |
72bd7054 | 240 | return self._extract_value(other) >> self._value |
81447b5b PP |
241 | |
242 | def __and__(self, other): | |
72bd7054 | 243 | return self._value & self._extract_value(other) |
81447b5b PP |
244 | |
245 | def __rand__(self, other): | |
72bd7054 | 246 | return self._extract_value(other) & self._value |
81447b5b PP |
247 | |
248 | def __xor__(self, other): | |
72bd7054 | 249 | return self._value ^ self._extract_value(other) |
81447b5b PP |
250 | |
251 | def __rxor__(self, other): | |
72bd7054 | 252 | return self._extract_value(other) ^ self._value |
81447b5b PP |
253 | |
254 | def __or__(self, other): | |
72bd7054 | 255 | return self._value | self._extract_value(other) |
81447b5b PP |
256 | |
257 | def __ror__(self, other): | |
72bd7054 | 258 | return self._extract_value(other) | self._value |
81447b5b PP |
259 | |
260 | def __invert__(self): | |
72bd7054 | 261 | return ~self._value |
81447b5b PP |
262 | |
263 | def __ilshift__(self, other): | |
264 | self.value = self << other | |
265 | return self | |
266 | ||
267 | def __irshift__(self, other): | |
268 | self.value = self >> other | |
269 | return self | |
270 | ||
271 | def __iand__(self, other): | |
272 | self.value = self & other | |
273 | return self | |
274 | ||
275 | def __ixor__(self, other): | |
276 | self.value = self ^ other | |
277 | return self | |
278 | ||
279 | def __ior__(self, other): | |
280 | self.value = self | other | |
281 | return self | |
282 | ||
283 | ||
284 | class _RealValue(_NumericValue, numbers.Real): | |
285 | pass | |
286 | ||
287 | ||
77b70d39 | 288 | class BoolValue(_Value): |
81447b5b PP |
289 | _NAME = 'Boolean' |
290 | ||
291 | def __init__(self, value=None): | |
292 | if value is None: | |
293 | ptr = native_bt.value_bool_create() | |
294 | else: | |
295 | ptr = native_bt.value_bool_create_init(self._value_to_bool(value)) | |
296 | ||
297 | self._check_create_status(ptr) | |
298 | super().__init__(ptr) | |
299 | ||
cfc3ccc1 PP |
300 | def __eq__(self, other): |
301 | try: | |
302 | return self._value == self._value_to_bool(other) | |
303 | except: | |
304 | return False | |
81447b5b PP |
305 | |
306 | def __bool__(self): | |
72bd7054 | 307 | return self._value |
81447b5b | 308 | |
2ef5b04b JG |
309 | def __repr__(self): |
310 | return repr(self._value) | |
81447b5b PP |
311 | |
312 | def _value_to_bool(self, value): | |
313 | if isinstance(value, BoolValue): | |
72bd7054 | 314 | value = value._value |
81447b5b PP |
315 | |
316 | if not isinstance(value, bool): | |
317 | raise TypeError("'{}' object is not a 'bool' or 'BoolValue' object".format(value.__class__)) | |
318 | ||
cfc3ccc1 | 319 | return value |
81447b5b PP |
320 | |
321 | @property | |
72bd7054 | 322 | def _value(self): |
77b70d39 SM |
323 | value = native_bt.value_bool_get(self._ptr) |
324 | return value != 0 | |
81447b5b | 325 | |
72bd7054 | 326 | def _set_value(self, value): |
77b70d39 | 327 | native_bt.value_bool_set(self._ptr, self._value_to_bool(value)) |
81447b5b | 328 | |
72bd7054 PP |
329 | value = property(fset=_set_value) |
330 | ||
81447b5b | 331 | |
68d9d039 | 332 | class _IntegerValue(_IntegralValue): |
81447b5b PP |
333 | def __init__(self, value=None): |
334 | if value is None: | |
68d9d039 | 335 | ptr = self._create_default_value() |
81447b5b | 336 | else: |
68d9d039 | 337 | ptr = self._create_value(self._value_to_int(value)) |
81447b5b PP |
338 | |
339 | self._check_create_status(ptr) | |
340 | super().__init__(ptr) | |
341 | ||
342 | def _value_to_int(self, value): | |
343 | if not isinstance(value, numbers.Real): | |
344 | raise TypeError('expecting a number object') | |
345 | ||
346 | value = int(value) | |
68d9d039 | 347 | self._check_int_range(value) |
81447b5b PP |
348 | return value |
349 | ||
350 | @property | |
72bd7054 | 351 | def _value(self): |
68d9d039 | 352 | return self._get_value(self._ptr) |
81447b5b | 353 | |
68d9d039 PP |
354 | def _prop_set_value(self, value): |
355 | self._set_value(self._ptr, self._value_to_int(value)) | |
81447b5b | 356 | |
68d9d039 PP |
357 | value = property(fset=_prop_set_value) |
358 | ||
359 | ||
360 | class UnsignedIntegerValue(_IntegerValue): | |
361 | _check_int_range = staticmethod(utils._check_uint64) | |
a49e2cc3 PP |
362 | _create_default_value = staticmethod(native_bt.value_unsigned_integer_create) |
363 | _create_value = staticmethod(native_bt.value_unsigned_integer_create_init) | |
364 | _set_value = staticmethod(native_bt.value_unsigned_integer_set) | |
365 | _get_value = staticmethod(native_bt.value_unsigned_integer_get) | |
68d9d039 PP |
366 | |
367 | ||
368 | class SignedIntegerValue(_IntegerValue): | |
369 | _check_int_range = staticmethod(utils._check_int64) | |
a49e2cc3 PP |
370 | _create_default_value = staticmethod(native_bt.value_signed_integer_create) |
371 | _create_value = staticmethod(native_bt.value_signed_integer_create_init) | |
372 | _set_value = staticmethod(native_bt.value_signed_integer_set) | |
373 | _get_value = staticmethod(native_bt.value_signed_integer_get) | |
72bd7054 | 374 | |
81447b5b | 375 | |
77b70d39 SM |
376 | class RealValue(_RealValue): |
377 | _NAME = 'Real number' | |
81447b5b PP |
378 | |
379 | def __init__(self, value=None): | |
380 | if value is None: | |
77b70d39 | 381 | ptr = native_bt.value_real_create() |
81447b5b PP |
382 | else: |
383 | value = self._value_to_float(value) | |
77b70d39 | 384 | ptr = native_bt.value_real_create_init(value) |
81447b5b PP |
385 | |
386 | self._check_create_status(ptr) | |
387 | super().__init__(ptr) | |
388 | ||
389 | def _value_to_float(self, value): | |
390 | if not isinstance(value, numbers.Real): | |
391 | raise TypeError("expecting a real number object") | |
392 | ||
393 | return float(value) | |
394 | ||
395 | @property | |
72bd7054 | 396 | def _value(self): |
77b70d39 | 397 | return native_bt.value_real_get(self._ptr) |
81447b5b | 398 | |
72bd7054 | 399 | def _set_value(self, value): |
77b70d39 | 400 | native_bt.value_real_set(self._ptr, self._value_to_float(value)) |
81447b5b | 401 | |
72bd7054 PP |
402 | value = property(fset=_set_value) |
403 | ||
81447b5b PP |
404 | |
405 | @functools.total_ordering | |
77b70d39 | 406 | class StringValue(collections.abc.Sequence, _Value): |
81447b5b PP |
407 | _NAME = 'String' |
408 | ||
409 | def __init__(self, value=None): | |
410 | if value is None: | |
411 | ptr = native_bt.value_string_create() | |
412 | else: | |
413 | ptr = native_bt.value_string_create_init(self._value_to_str(value)) | |
414 | ||
415 | self._check_create_status(ptr) | |
416 | super().__init__(ptr) | |
417 | ||
418 | def _value_to_str(self, value): | |
419 | if isinstance(value, self.__class__): | |
72bd7054 | 420 | value = value._value |
81447b5b PP |
421 | |
422 | utils._check_str(value) | |
423 | return value | |
424 | ||
425 | @property | |
72bd7054 | 426 | def _value(self): |
77b70d39 | 427 | return native_bt.value_string_get(self._ptr) |
81447b5b | 428 | |
72bd7054 | 429 | def _set_value(self, value): |
81447b5b PP |
430 | status = native_bt.value_string_set(self._ptr, self._value_to_str(value)) |
431 | self._handle_status(status) | |
432 | ||
72bd7054 PP |
433 | value = property(fset=_set_value) |
434 | ||
cfc3ccc1 | 435 | def __eq__(self, other): |
81447b5b | 436 | try: |
72bd7054 | 437 | return self._value == self._value_to_str(other) |
81447b5b | 438 | except: |
cfc3ccc1 | 439 | return False |
81447b5b | 440 | |
81447b5b | 441 | def __lt__(self, other): |
72bd7054 | 442 | return self._value < self._value_to_str(other) |
81447b5b PP |
443 | |
444 | def __bool__(self): | |
72bd7054 | 445 | return bool(self._value) |
81447b5b | 446 | |
2ef5b04b | 447 | def __repr__(self): |
77b70d39 | 448 | return repr(self._value) |
2ef5b04b | 449 | |
81447b5b | 450 | def __str__(self): |
72bd7054 | 451 | return self._value |
81447b5b PP |
452 | |
453 | def __getitem__(self, index): | |
72bd7054 | 454 | return self._value[index] |
81447b5b PP |
455 | |
456 | def __len__(self): | |
72bd7054 | 457 | return len(self._value) |
81447b5b PP |
458 | |
459 | def __iadd__(self, value): | |
72bd7054 | 460 | curvalue = self._value |
81447b5b PP |
461 | curvalue += self._value_to_str(value) |
462 | self.value = curvalue | |
463 | return self | |
464 | ||
465 | ||
466 | class _Container: | |
467 | def __bool__(self): | |
468 | return len(self) != 0 | |
469 | ||
81447b5b PP |
470 | def __delitem__(self, index): |
471 | raise NotImplementedError | |
472 | ||
473 | ||
474 | class ArrayValue(_Container, collections.abc.MutableSequence, _Value): | |
475 | _NAME = 'Array' | |
476 | ||
477 | def __init__(self, value=None): | |
478 | ptr = native_bt.value_array_create() | |
479 | self._check_create_status(ptr) | |
480 | super().__init__(ptr) | |
481 | ||
482 | # Python will raise a TypeError if there's anything wrong with | |
483 | # the iterable protocol. | |
484 | if value is not None: | |
485 | for elem in value: | |
486 | self.append(elem) | |
487 | ||
cfc3ccc1 PP |
488 | def __eq__(self, other): |
489 | if not isinstance(other, collections.abc.Sequence): | |
490 | return False | |
81447b5b | 491 | |
cfc3ccc1 PP |
492 | if len(self) != len(other): |
493 | # early mismatch | |
494 | return False | |
81447b5b | 495 | |
cfc3ccc1 PP |
496 | for self_elem, other_elem in zip(self, other): |
497 | if self_elem != other_elem: | |
498 | return False | |
499 | ||
500 | return True | |
81447b5b PP |
501 | |
502 | def __len__(self): | |
77b70d39 | 503 | size = native_bt.value_array_get_size(self._ptr) |
f6a5e476 | 504 | assert(size >= 0) |
81447b5b PP |
505 | return size |
506 | ||
507 | def _check_index(self, index): | |
508 | # TODO: support slices also | |
509 | if not isinstance(index, numbers.Integral): | |
510 | raise TypeError("'{}' object is not an integral number object: invalid index".format(index.__class__.__name__)) | |
511 | ||
512 | index = int(index) | |
513 | ||
514 | if index < 0 or index >= len(self): | |
515 | raise IndexError('array value object index is out of range') | |
516 | ||
517 | def __getitem__(self, index): | |
518 | self._check_index(index) | |
77b70d39 | 519 | ptr = native_bt.value_array_borrow_element_by_index(self._ptr, index) |
f6a5e476 | 520 | assert(ptr) |
77b70d39 | 521 | return _create_from_ptr_and_get_ref(ptr) |
81447b5b PP |
522 | |
523 | def __setitem__(self, index, value): | |
524 | self._check_index(index) | |
525 | value = create_value(value) | |
526 | ||
527 | if value is None: | |
528 | ptr = native_bt.value_null | |
529 | else: | |
530 | ptr = value._ptr | |
531 | ||
77b70d39 SM |
532 | status = native_bt.value_array_set_element_by_index( |
533 | self._ptr, index, ptr) | |
81447b5b PP |
534 | self._handle_status(status) |
535 | ||
536 | def append(self, value): | |
537 | value = create_value(value) | |
538 | ||
539 | if value is None: | |
540 | ptr = native_bt.value_null | |
541 | else: | |
542 | ptr = value._ptr | |
543 | ||
77b70d39 | 544 | status = native_bt.value_array_append_element(self._ptr, ptr) |
81447b5b PP |
545 | self._handle_status(status) |
546 | ||
547 | def __iadd__(self, iterable): | |
548 | # Python will raise a TypeError if there's anything wrong with | |
549 | # the iterable protocol. | |
550 | for elem in iterable: | |
551 | self.append(elem) | |
552 | ||
553 | return self | |
554 | ||
2ef5b04b JG |
555 | def __repr__(self): |
556 | return '[{}]'.format(', '.join([repr(v) for v in self])) | |
81447b5b PP |
557 | |
558 | def insert(self, value): | |
559 | raise NotImplementedError | |
560 | ||
561 | ||
562 | class _MapValueKeyIterator(collections.abc.Iterator): | |
563 | def __init__(self, map_obj): | |
564 | self._map_obj = map_obj | |
565 | self._at = 0 | |
77b70d39 | 566 | keys_ptr = native_bt.value_map_get_keys(map_obj._ptr) |
81447b5b PP |
567 | |
568 | if keys_ptr is None: | |
569 | raise RuntimeError('unexpected error: cannot get map value object keys') | |
570 | ||
571 | self._keys = _create_from_ptr(keys_ptr) | |
572 | ||
573 | def __next__(self): | |
574 | if self._at == len(self._map_obj): | |
575 | raise StopIteration | |
576 | ||
577 | key = self._keys[self._at] | |
578 | self._at += 1 | |
579 | return str(key) | |
580 | ||
581 | ||
582 | class MapValue(_Container, collections.abc.MutableMapping, _Value): | |
583 | _NAME = 'Map' | |
584 | ||
585 | def __init__(self, value=None): | |
586 | ptr = native_bt.value_map_create() | |
587 | self._check_create_status(ptr) | |
588 | super().__init__(ptr) | |
589 | ||
590 | # Python will raise a TypeError if there's anything wrong with | |
591 | # the iterable/mapping protocol. | |
592 | if value is not None: | |
593 | for key, elem in value.items(): | |
594 | self[key] = elem | |
595 | ||
81447b5b PP |
596 | def __ne__(self, other): |
597 | return _Value.__ne__(self, other) | |
598 | ||
cfc3ccc1 PP |
599 | def __eq__(self, other): |
600 | if not isinstance(other, collections.abc.Mapping): | |
601 | return False | |
81447b5b | 602 | |
cfc3ccc1 PP |
603 | if len(self) != len(other): |
604 | # early mismatch | |
605 | return False | |
81447b5b | 606 | |
cfc3ccc1 PP |
607 | for self_key in self: |
608 | if self_key not in other: | |
609 | return False | |
81447b5b | 610 | |
cfc3ccc1 PP |
611 | if self[self_key] != other[self_key]: |
612 | return False | |
81447b5b | 613 | |
cfc3ccc1 | 614 | return True |
81447b5b PP |
615 | |
616 | def __len__(self): | |
77b70d39 | 617 | size = native_bt.value_map_get_size(self._ptr) |
f6a5e476 | 618 | assert(size >= 0) |
81447b5b PP |
619 | return size |
620 | ||
621 | def __contains__(self, key): | |
622 | self._check_key_type(key) | |
77b70d39 | 623 | return native_bt.value_map_has_entry(self._ptr, key) |
81447b5b PP |
624 | |
625 | def _check_key_type(self, key): | |
626 | utils._check_str(key) | |
627 | ||
628 | def _check_key(self, key): | |
629 | if key not in self: | |
630 | raise KeyError(key) | |
631 | ||
632 | def __getitem__(self, key): | |
633 | self._check_key(key) | |
77b70d39 | 634 | ptr = native_bt.value_map_borrow_entry_value(self._ptr, key) |
f6a5e476 | 635 | assert(ptr) |
77b70d39 | 636 | return _create_from_ptr_and_get_ref(ptr) |
81447b5b PP |
637 | |
638 | def __iter__(self): | |
639 | return _MapValueKeyIterator(self) | |
640 | ||
641 | def __setitem__(self, key, value): | |
642 | self._check_key_type(key) | |
643 | value = create_value(value) | |
644 | ||
645 | if value is None: | |
646 | ptr = native_bt.value_null | |
647 | else: | |
648 | ptr = value._ptr | |
649 | ||
77b70d39 | 650 | status = native_bt.value_map_insert_entry(self._ptr, key, ptr) |
81447b5b PP |
651 | self._handle_status(status) |
652 | ||
2ef5b04b JG |
653 | def __repr__(self): |
654 | items = ['{}: {}'.format(repr(k), repr(v)) for k, v in self.items()] | |
655 | return '{{{}}}'.format(', '.join(items)) | |
81447b5b PP |
656 | |
657 | ||
658 | _TYPE_TO_OBJ = { | |
659 | native_bt.VALUE_TYPE_BOOL: BoolValue, | |
68d9d039 PP |
660 | native_bt.VALUE_TYPE_UNSIGNED_INTEGER: UnsignedIntegerValue, |
661 | native_bt.VALUE_TYPE_SIGNED_INTEGER: SignedIntegerValue, | |
77b70d39 | 662 | native_bt.VALUE_TYPE_REAL: RealValue, |
81447b5b PP |
663 | native_bt.VALUE_TYPE_STRING: StringValue, |
664 | native_bt.VALUE_TYPE_ARRAY: ArrayValue, | |
665 | native_bt.VALUE_TYPE_MAP: MapValue, | |
666 | } |