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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 | ||
81447b5b | 32 | def _create_from_ptr(ptr): |
b5947615 SM |
33 | if ptr is None: |
34 | return | |
35 | ||
36 | # bt_value_null is translated to None. However, we are given a reference | |
37 | # to it that we are not going to manage anymore, since we don't create a | |
38 | # Python wrapper for it. Therefore put that reference immediately. | |
39 | if ptr == native_bt.value_null: | |
40 | bt2.value._Value._put_ref(ptr) | |
81447b5b PP |
41 | return |
42 | ||
43 | typeid = native_bt.value_get_type(ptr) | |
44 | return _TYPE_TO_OBJ[typeid]._create_from_ptr(ptr) | |
45 | ||
46 | ||
10a19b49 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 | ||
665658c2 | 66 | if isinstance(value, numbers.Integral): |
fdd3a2da | 67 | return SignedIntegerValue(value) |
81447b5b | 68 | |
665658c2 | 69 | if isinstance(value, numbers.Real): |
10a19b49 | 70 | return RealValue(value) |
81447b5b PP |
71 | |
72 | if isinstance(value, str): | |
73 | return StringValue(value) | |
74 | ||
665658c2 | 75 | if isinstance(value, collections.abc.Sequence): |
81447b5b | 76 | return ArrayValue(value) |
665658c2 PP |
77 | |
78 | if isinstance(value, collections.abc.Mapping): | |
79 | return MapValue(value) | |
81447b5b PP |
80 | |
81 | raise TypeError("cannot create value object from '{}' object".format(value.__class__.__name__)) | |
82 | ||
83 | ||
78288f58 | 84 | class _Value(object._SharedObject, metaclass=abc.ABCMeta): |
2f16a6a2 PP |
85 | _get_ref = staticmethod(native_bt.value_get_ref) |
86 | _put_ref = staticmethod(native_bt.value_put_ref) | |
10a19b49 | 87 | |
81447b5b PP |
88 | def __ne__(self, other): |
89 | return not (self == other) | |
90 | ||
81447b5b PP |
91 | def _check_create_status(self, ptr): |
92 | if ptr is None: | |
10a19b49 SM |
93 | raise bt2.CreationError( |
94 | 'cannot create {} value object'.format(self._NAME.lower())) | |
81447b5b PP |
95 | |
96 | ||
97 | @functools.total_ordering | |
10a19b49 | 98 | class _NumericValue(_Value): |
81447b5b PP |
99 | @staticmethod |
100 | def _extract_value(other): | |
b00a769c PP |
101 | if isinstance(other, BoolValue) or isinstance(other, bool): |
102 | return bool(other) | |
81447b5b PP |
103 | |
104 | if isinstance(other, numbers.Integral): | |
105 | return int(other) | |
106 | ||
107 | if isinstance(other, numbers.Real): | |
108 | return float(other) | |
109 | ||
110 | if isinstance(other, numbers.Complex): | |
111 | return complex(other) | |
112 | ||
113 | raise TypeError("'{}' object is not a number object".format(other.__class__.__name__)) | |
114 | ||
115 | def __int__(self): | |
9b6cd4a7 | 116 | return int(self._value) |
81447b5b PP |
117 | |
118 | def __float__(self): | |
9b6cd4a7 | 119 | return float(self._value) |
81447b5b | 120 | |
83656269 JG |
121 | def __repr__(self): |
122 | return repr(self._value) | |
81447b5b PP |
123 | |
124 | def __lt__(self, other): | |
09a926c1 | 125 | return self._value < self._extract_value(other) |
81447b5b | 126 | |
81447b5b | 127 | def __eq__(self, other): |
b00a769c PP |
128 | try: |
129 | return self._value == self._extract_value(other) | |
130 | except: | |
81447b5b PP |
131 | return False |
132 | ||
81447b5b | 133 | def __rmod__(self, other): |
9b6cd4a7 | 134 | return self._extract_value(other) % self._value |
81447b5b PP |
135 | |
136 | def __mod__(self, other): | |
9b6cd4a7 | 137 | return self._value % self._extract_value(other) |
81447b5b PP |
138 | |
139 | def __rfloordiv__(self, other): | |
9b6cd4a7 | 140 | return self._extract_value(other) // self._value |
81447b5b PP |
141 | |
142 | def __floordiv__(self, other): | |
9b6cd4a7 | 143 | return self._value // self._extract_value(other) |
81447b5b PP |
144 | |
145 | def __round__(self, ndigits=None): | |
146 | if ndigits is None: | |
9b6cd4a7 | 147 | return round(self._value) |
81447b5b | 148 | else: |
9b6cd4a7 | 149 | return round(self._value, ndigits) |
81447b5b PP |
150 | |
151 | def __ceil__(self): | |
9b6cd4a7 | 152 | return math.ceil(self._value) |
81447b5b PP |
153 | |
154 | def __floor__(self): | |
9b6cd4a7 | 155 | return math.floor(self._value) |
81447b5b PP |
156 | |
157 | def __trunc__(self): | |
9b6cd4a7 | 158 | return int(self._value) |
81447b5b PP |
159 | |
160 | def __abs__(self): | |
9b6cd4a7 | 161 | return abs(self._value) |
81447b5b PP |
162 | |
163 | def __add__(self, other): | |
9b6cd4a7 | 164 | return self._value + self._extract_value(other) |
81447b5b PP |
165 | |
166 | def __radd__(self, other): | |
167 | return self.__add__(other) | |
168 | ||
169 | def __neg__(self): | |
9b6cd4a7 | 170 | return -self._value |
81447b5b PP |
171 | |
172 | def __pos__(self): | |
9b6cd4a7 | 173 | return +self._value |
81447b5b PP |
174 | |
175 | def __mul__(self, other): | |
9b6cd4a7 | 176 | return self._value * self._extract_value(other) |
81447b5b PP |
177 | |
178 | def __rmul__(self, other): | |
179 | return self.__mul__(other) | |
180 | ||
181 | def __truediv__(self, other): | |
9b6cd4a7 | 182 | return self._value / self._extract_value(other) |
81447b5b PP |
183 | |
184 | def __rtruediv__(self, other): | |
9b6cd4a7 | 185 | return self._extract_value(other) / self._value |
81447b5b PP |
186 | |
187 | def __pow__(self, exponent): | |
9b6cd4a7 | 188 | return self._value ** self._extract_value(exponent) |
81447b5b PP |
189 | |
190 | def __rpow__(self, base): | |
9b6cd4a7 | 191 | return self._extract_value(base) ** self._value |
81447b5b | 192 | |
81447b5b PP |
193 | |
194 | class _IntegralValue(_NumericValue, numbers.Integral): | |
195 | def __lshift__(self, other): | |
9b6cd4a7 | 196 | return self._value << self._extract_value(other) |
81447b5b PP |
197 | |
198 | def __rlshift__(self, other): | |
9b6cd4a7 | 199 | return self._extract_value(other) << self._value |
81447b5b PP |
200 | |
201 | def __rshift__(self, other): | |
9b6cd4a7 | 202 | return self._value >> self._extract_value(other) |
81447b5b PP |
203 | |
204 | def __rrshift__(self, other): | |
9b6cd4a7 | 205 | return self._extract_value(other) >> self._value |
81447b5b PP |
206 | |
207 | def __and__(self, other): | |
9b6cd4a7 | 208 | return self._value & self._extract_value(other) |
81447b5b PP |
209 | |
210 | def __rand__(self, other): | |
9b6cd4a7 | 211 | return self._extract_value(other) & self._value |
81447b5b PP |
212 | |
213 | def __xor__(self, other): | |
9b6cd4a7 | 214 | return self._value ^ self._extract_value(other) |
81447b5b PP |
215 | |
216 | def __rxor__(self, other): | |
9b6cd4a7 | 217 | return self._extract_value(other) ^ self._value |
81447b5b PP |
218 | |
219 | def __or__(self, other): | |
9b6cd4a7 | 220 | return self._value | self._extract_value(other) |
81447b5b PP |
221 | |
222 | def __ror__(self, other): | |
9b6cd4a7 | 223 | return self._extract_value(other) | self._value |
81447b5b PP |
224 | |
225 | def __invert__(self): | |
9b6cd4a7 | 226 | return ~self._value |
81447b5b | 227 | |
81447b5b PP |
228 | |
229 | class _RealValue(_NumericValue, numbers.Real): | |
230 | pass | |
231 | ||
232 | ||
88d39313 | 233 | class BoolValue(_IntegralValue): |
81447b5b PP |
234 | _NAME = 'Boolean' |
235 | ||
236 | def __init__(self, value=None): | |
237 | if value is None: | |
238 | ptr = native_bt.value_bool_create() | |
239 | else: | |
240 | ptr = native_bt.value_bool_create_init(self._value_to_bool(value)) | |
241 | ||
242 | self._check_create_status(ptr) | |
243 | super().__init__(ptr) | |
244 | ||
81447b5b | 245 | def __bool__(self): |
9b6cd4a7 | 246 | return self._value |
81447b5b | 247 | |
83656269 JG |
248 | def __repr__(self): |
249 | return repr(self._value) | |
81447b5b PP |
250 | |
251 | def _value_to_bool(self, value): | |
252 | if isinstance(value, BoolValue): | |
9b6cd4a7 | 253 | value = value._value |
81447b5b PP |
254 | |
255 | if not isinstance(value, bool): | |
256 | raise TypeError("'{}' object is not a 'bool' or 'BoolValue' object".format(value.__class__)) | |
257 | ||
b00a769c | 258 | return value |
81447b5b PP |
259 | |
260 | @property | |
9b6cd4a7 | 261 | def _value(self): |
10a19b49 SM |
262 | value = native_bt.value_bool_get(self._ptr) |
263 | return value != 0 | |
81447b5b | 264 | |
9b6cd4a7 | 265 | def _set_value(self, value): |
10a19b49 | 266 | native_bt.value_bool_set(self._ptr, self._value_to_bool(value)) |
81447b5b | 267 | |
9b6cd4a7 PP |
268 | value = property(fset=_set_value) |
269 | ||
81447b5b | 270 | |
fdd3a2da | 271 | class _IntegerValue(_IntegralValue): |
81447b5b PP |
272 | def __init__(self, value=None): |
273 | if value is None: | |
fdd3a2da | 274 | ptr = self._create_default_value() |
81447b5b | 275 | else: |
fdd3a2da | 276 | ptr = self._create_value(self._value_to_int(value)) |
81447b5b PP |
277 | |
278 | self._check_create_status(ptr) | |
279 | super().__init__(ptr) | |
280 | ||
281 | def _value_to_int(self, value): | |
e502b15a PP |
282 | if not isinstance(value, numbers.Integral): |
283 | raise TypeError('expecting an integral number object') | |
81447b5b PP |
284 | |
285 | value = int(value) | |
fdd3a2da | 286 | self._check_int_range(value) |
81447b5b PP |
287 | return value |
288 | ||
289 | @property | |
9b6cd4a7 | 290 | def _value(self): |
fdd3a2da | 291 | return self._get_value(self._ptr) |
81447b5b | 292 | |
fdd3a2da PP |
293 | def _prop_set_value(self, value): |
294 | self._set_value(self._ptr, self._value_to_int(value)) | |
81447b5b | 295 | |
fdd3a2da PP |
296 | value = property(fset=_prop_set_value) |
297 | ||
298 | ||
299 | class UnsignedIntegerValue(_IntegerValue): | |
300 | _check_int_range = staticmethod(utils._check_uint64) | |
2f16a6a2 PP |
301 | _create_default_value = staticmethod(native_bt.value_unsigned_integer_create) |
302 | _create_value = staticmethod(native_bt.value_unsigned_integer_create_init) | |
303 | _set_value = staticmethod(native_bt.value_unsigned_integer_set) | |
304 | _get_value = staticmethod(native_bt.value_unsigned_integer_get) | |
fdd3a2da PP |
305 | |
306 | ||
307 | class SignedIntegerValue(_IntegerValue): | |
308 | _check_int_range = staticmethod(utils._check_int64) | |
2f16a6a2 PP |
309 | _create_default_value = staticmethod(native_bt.value_signed_integer_create) |
310 | _create_value = staticmethod(native_bt.value_signed_integer_create_init) | |
311 | _set_value = staticmethod(native_bt.value_signed_integer_set) | |
312 | _get_value = staticmethod(native_bt.value_signed_integer_get) | |
9b6cd4a7 | 313 | |
81447b5b | 314 | |
10a19b49 SM |
315 | class RealValue(_RealValue): |
316 | _NAME = 'Real number' | |
81447b5b PP |
317 | |
318 | def __init__(self, value=None): | |
319 | if value is None: | |
10a19b49 | 320 | ptr = native_bt.value_real_create() |
81447b5b PP |
321 | else: |
322 | value = self._value_to_float(value) | |
10a19b49 | 323 | ptr = native_bt.value_real_create_init(value) |
81447b5b PP |
324 | |
325 | self._check_create_status(ptr) | |
326 | super().__init__(ptr) | |
327 | ||
328 | def _value_to_float(self, value): | |
329 | if not isinstance(value, numbers.Real): | |
330 | raise TypeError("expecting a real number object") | |
331 | ||
332 | return float(value) | |
333 | ||
334 | @property | |
9b6cd4a7 | 335 | def _value(self): |
10a19b49 | 336 | return native_bt.value_real_get(self._ptr) |
81447b5b | 337 | |
9b6cd4a7 | 338 | def _set_value(self, value): |
10a19b49 | 339 | native_bt.value_real_set(self._ptr, self._value_to_float(value)) |
81447b5b | 340 | |
9b6cd4a7 PP |
341 | value = property(fset=_set_value) |
342 | ||
81447b5b PP |
343 | |
344 | @functools.total_ordering | |
10a19b49 | 345 | class StringValue(collections.abc.Sequence, _Value): |
81447b5b PP |
346 | _NAME = 'String' |
347 | ||
348 | def __init__(self, value=None): | |
349 | if value is None: | |
350 | ptr = native_bt.value_string_create() | |
351 | else: | |
352 | ptr = native_bt.value_string_create_init(self._value_to_str(value)) | |
353 | ||
354 | self._check_create_status(ptr) | |
355 | super().__init__(ptr) | |
356 | ||
357 | def _value_to_str(self, value): | |
358 | if isinstance(value, self.__class__): | |
9b6cd4a7 | 359 | value = value._value |
81447b5b PP |
360 | |
361 | utils._check_str(value) | |
362 | return value | |
363 | ||
364 | @property | |
9b6cd4a7 | 365 | def _value(self): |
10a19b49 | 366 | return native_bt.value_string_get(self._ptr) |
81447b5b | 367 | |
9b6cd4a7 | 368 | def _set_value(self, value): |
81447b5b | 369 | status = native_bt.value_string_set(self._ptr, self._value_to_str(value)) |
d24d5663 | 370 | utils._handle_func_status(status) |
81447b5b | 371 | |
9b6cd4a7 PP |
372 | value = property(fset=_set_value) |
373 | ||
b00a769c | 374 | def __eq__(self, other): |
81447b5b | 375 | try: |
9b6cd4a7 | 376 | return self._value == self._value_to_str(other) |
81447b5b | 377 | except: |
b00a769c | 378 | return False |
81447b5b | 379 | |
81447b5b | 380 | def __lt__(self, other): |
9b6cd4a7 | 381 | return self._value < self._value_to_str(other) |
81447b5b PP |
382 | |
383 | def __bool__(self): | |
9b6cd4a7 | 384 | return bool(self._value) |
81447b5b | 385 | |
83656269 | 386 | def __repr__(self): |
10a19b49 | 387 | return repr(self._value) |
83656269 | 388 | |
81447b5b | 389 | def __str__(self): |
9b6cd4a7 | 390 | return self._value |
81447b5b PP |
391 | |
392 | def __getitem__(self, index): | |
9b6cd4a7 | 393 | return self._value[index] |
81447b5b PP |
394 | |
395 | def __len__(self): | |
9b6cd4a7 | 396 | return len(self._value) |
81447b5b PP |
397 | |
398 | def __iadd__(self, value): | |
9b6cd4a7 | 399 | curvalue = self._value |
81447b5b PP |
400 | curvalue += self._value_to_str(value) |
401 | self.value = curvalue | |
402 | return self | |
403 | ||
404 | ||
405 | class _Container: | |
406 | def __bool__(self): | |
407 | return len(self) != 0 | |
408 | ||
81447b5b PP |
409 | def __delitem__(self, index): |
410 | raise NotImplementedError | |
411 | ||
412 | ||
413 | class ArrayValue(_Container, collections.abc.MutableSequence, _Value): | |
414 | _NAME = 'Array' | |
415 | ||
416 | def __init__(self, value=None): | |
417 | ptr = native_bt.value_array_create() | |
418 | self._check_create_status(ptr) | |
419 | super().__init__(ptr) | |
420 | ||
421 | # Python will raise a TypeError if there's anything wrong with | |
422 | # the iterable protocol. | |
423 | if value is not None: | |
424 | for elem in value: | |
425 | self.append(elem) | |
426 | ||
b00a769c PP |
427 | def __eq__(self, other): |
428 | if not isinstance(other, collections.abc.Sequence): | |
429 | return False | |
81447b5b | 430 | |
b00a769c PP |
431 | if len(self) != len(other): |
432 | # early mismatch | |
433 | return False | |
81447b5b | 434 | |
b00a769c PP |
435 | for self_elem, other_elem in zip(self, other): |
436 | if self_elem != other_elem: | |
437 | return False | |
438 | ||
439 | return True | |
81447b5b PP |
440 | |
441 | def __len__(self): | |
10a19b49 | 442 | size = native_bt.value_array_get_size(self._ptr) |
811644b8 | 443 | assert(size >= 0) |
81447b5b PP |
444 | return size |
445 | ||
446 | def _check_index(self, index): | |
447 | # TODO: support slices also | |
448 | if not isinstance(index, numbers.Integral): | |
449 | raise TypeError("'{}' object is not an integral number object: invalid index".format(index.__class__.__name__)) | |
450 | ||
451 | index = int(index) | |
452 | ||
453 | if index < 0 or index >= len(self): | |
454 | raise IndexError('array value object index is out of range') | |
455 | ||
456 | def __getitem__(self, index): | |
457 | self._check_index(index) | |
10a19b49 | 458 | ptr = native_bt.value_array_borrow_element_by_index(self._ptr, index) |
811644b8 | 459 | assert(ptr) |
10a19b49 | 460 | return _create_from_ptr_and_get_ref(ptr) |
81447b5b PP |
461 | |
462 | def __setitem__(self, index, value): | |
463 | self._check_index(index) | |
464 | value = create_value(value) | |
465 | ||
466 | if value is None: | |
467 | ptr = native_bt.value_null | |
468 | else: | |
469 | ptr = value._ptr | |
470 | ||
10a19b49 SM |
471 | status = native_bt.value_array_set_element_by_index( |
472 | self._ptr, index, ptr) | |
d24d5663 | 473 | utils._handle_func_status(status) |
81447b5b PP |
474 | |
475 | def append(self, value): | |
476 | value = create_value(value) | |
477 | ||
478 | if value is None: | |
479 | ptr = native_bt.value_null | |
480 | else: | |
481 | ptr = value._ptr | |
482 | ||
10a19b49 | 483 | status = native_bt.value_array_append_element(self._ptr, ptr) |
d24d5663 | 484 | utils._handle_func_status(status) |
81447b5b PP |
485 | |
486 | def __iadd__(self, iterable): | |
487 | # Python will raise a TypeError if there's anything wrong with | |
488 | # the iterable protocol. | |
489 | for elem in iterable: | |
490 | self.append(elem) | |
491 | ||
492 | return self | |
493 | ||
83656269 JG |
494 | def __repr__(self): |
495 | return '[{}]'.format(', '.join([repr(v) for v in self])) | |
81447b5b PP |
496 | |
497 | def insert(self, value): | |
498 | raise NotImplementedError | |
499 | ||
500 | ||
501 | class _MapValueKeyIterator(collections.abc.Iterator): | |
502 | def __init__(self, map_obj): | |
503 | self._map_obj = map_obj | |
504 | self._at = 0 | |
10a19b49 | 505 | keys_ptr = native_bt.value_map_get_keys(map_obj._ptr) |
81447b5b PP |
506 | |
507 | if keys_ptr is None: | |
508 | raise RuntimeError('unexpected error: cannot get map value object keys') | |
509 | ||
510 | self._keys = _create_from_ptr(keys_ptr) | |
511 | ||
512 | def __next__(self): | |
513 | if self._at == len(self._map_obj): | |
514 | raise StopIteration | |
515 | ||
516 | key = self._keys[self._at] | |
517 | self._at += 1 | |
518 | return str(key) | |
519 | ||
520 | ||
521 | class MapValue(_Container, collections.abc.MutableMapping, _Value): | |
522 | _NAME = 'Map' | |
523 | ||
524 | def __init__(self, value=None): | |
525 | ptr = native_bt.value_map_create() | |
526 | self._check_create_status(ptr) | |
527 | super().__init__(ptr) | |
528 | ||
529 | # Python will raise a TypeError if there's anything wrong with | |
530 | # the iterable/mapping protocol. | |
531 | if value is not None: | |
532 | for key, elem in value.items(): | |
533 | self[key] = elem | |
534 | ||
81447b5b PP |
535 | def __ne__(self, other): |
536 | return _Value.__ne__(self, other) | |
537 | ||
b00a769c PP |
538 | def __eq__(self, other): |
539 | if not isinstance(other, collections.abc.Mapping): | |
540 | return False | |
81447b5b | 541 | |
b00a769c PP |
542 | if len(self) != len(other): |
543 | # early mismatch | |
544 | return False | |
81447b5b | 545 | |
b00a769c PP |
546 | for self_key in self: |
547 | if self_key not in other: | |
548 | return False | |
81447b5b | 549 | |
b00a769c PP |
550 | if self[self_key] != other[self_key]: |
551 | return False | |
81447b5b | 552 | |
b00a769c | 553 | return True |
81447b5b PP |
554 | |
555 | def __len__(self): | |
10a19b49 | 556 | size = native_bt.value_map_get_size(self._ptr) |
811644b8 | 557 | assert(size >= 0) |
81447b5b PP |
558 | return size |
559 | ||
560 | def __contains__(self, key): | |
561 | self._check_key_type(key) | |
10a19b49 | 562 | return native_bt.value_map_has_entry(self._ptr, key) |
81447b5b PP |
563 | |
564 | def _check_key_type(self, key): | |
565 | utils._check_str(key) | |
566 | ||
567 | def _check_key(self, key): | |
568 | if key not in self: | |
569 | raise KeyError(key) | |
570 | ||
571 | def __getitem__(self, key): | |
572 | self._check_key(key) | |
10a19b49 | 573 | ptr = native_bt.value_map_borrow_entry_value(self._ptr, key) |
811644b8 | 574 | assert(ptr) |
10a19b49 | 575 | return _create_from_ptr_and_get_ref(ptr) |
81447b5b PP |
576 | |
577 | def __iter__(self): | |
578 | return _MapValueKeyIterator(self) | |
579 | ||
580 | def __setitem__(self, key, value): | |
581 | self._check_key_type(key) | |
582 | value = create_value(value) | |
583 | ||
584 | if value is None: | |
585 | ptr = native_bt.value_null | |
586 | else: | |
587 | ptr = value._ptr | |
588 | ||
10a19b49 | 589 | status = native_bt.value_map_insert_entry(self._ptr, key, ptr) |
d24d5663 | 590 | utils._handle_func_status(status) |
81447b5b | 591 | |
83656269 JG |
592 | def __repr__(self): |
593 | items = ['{}: {}'.format(repr(k), repr(v)) for k, v in self.items()] | |
594 | return '{{{}}}'.format(', '.join(items)) | |
81447b5b PP |
595 | |
596 | ||
597 | _TYPE_TO_OBJ = { | |
598 | native_bt.VALUE_TYPE_BOOL: BoolValue, | |
fdd3a2da PP |
599 | native_bt.VALUE_TYPE_UNSIGNED_INTEGER: UnsignedIntegerValue, |
600 | native_bt.VALUE_TYPE_SIGNED_INTEGER: SignedIntegerValue, | |
10a19b49 | 601 | native_bt.VALUE_TYPE_REAL: RealValue, |
81447b5b PP |
602 | native_bt.VALUE_TYPE_STRING: StringValue, |
603 | native_bt.VALUE_TYPE_ARRAY: ArrayValue, | |
604 | native_bt.VALUE_TYPE_MAP: MapValue, | |
605 | } |