| 1 | # SPDX-License-Identifier: MIT |
| 2 | # |
| 3 | # Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com> |
| 4 | |
| 5 | from bt2 import native_bt, object, utils |
| 6 | import collections.abc |
| 7 | import functools |
| 8 | import numbers |
| 9 | import math |
| 10 | import abc |
| 11 | import bt2 |
| 12 | |
| 13 | |
| 14 | def _create_from_ptr_template(ptr, object_map): |
| 15 | if ptr is None: |
| 16 | return |
| 17 | |
| 18 | # bt_value_null is translated to None. However, we are given a reference |
| 19 | # to it that we are not going to manage anymore, since we don't create a |
| 20 | # Python wrapper for it. Therefore put that reference immediately. |
| 21 | if ptr == native_bt.value_null: |
| 22 | _Value._put_ref(ptr) |
| 23 | return |
| 24 | |
| 25 | typeid = native_bt.value_get_type(ptr) |
| 26 | return object_map[typeid]._create_from_ptr(ptr) |
| 27 | |
| 28 | |
| 29 | def _create_from_ptr(ptr): |
| 30 | return _create_from_ptr_template(ptr, _TYPE_TO_OBJ) |
| 31 | |
| 32 | |
| 33 | def _create_from_const_ptr(ptr): |
| 34 | return _create_from_ptr_template(ptr, _TYPE_TO_CONST_OBJ) |
| 35 | |
| 36 | |
| 37 | def _create_from_ptr_and_get_ref_template(ptr, object_map): |
| 38 | if ptr is None or ptr == native_bt.value_null: |
| 39 | return |
| 40 | |
| 41 | typeid = native_bt.value_get_type(ptr) |
| 42 | return object_map[typeid]._create_from_ptr_and_get_ref(ptr) |
| 43 | |
| 44 | |
| 45 | def _create_from_ptr_and_get_ref(ptr): |
| 46 | return _create_from_ptr_and_get_ref_template(ptr, _TYPE_TO_OBJ) |
| 47 | |
| 48 | |
| 49 | def _create_from_const_ptr_and_get_ref(ptr): |
| 50 | return _create_from_ptr_and_get_ref_template(ptr, _TYPE_TO_CONST_OBJ) |
| 51 | |
| 52 | |
| 53 | def create_value(value): |
| 54 | if value is None: |
| 55 | # null value object |
| 56 | return |
| 57 | |
| 58 | if isinstance(value, _Value): |
| 59 | return value |
| 60 | |
| 61 | if isinstance(value, bool): |
| 62 | return BoolValue(value) |
| 63 | |
| 64 | if isinstance(value, numbers.Integral): |
| 65 | return SignedIntegerValue(value) |
| 66 | |
| 67 | if isinstance(value, numbers.Real): |
| 68 | return RealValue(value) |
| 69 | |
| 70 | if isinstance(value, str): |
| 71 | return StringValue(value) |
| 72 | |
| 73 | if isinstance(value, collections.abc.Sequence): |
| 74 | return ArrayValue(value) |
| 75 | |
| 76 | if isinstance(value, collections.abc.Mapping): |
| 77 | return MapValue(value) |
| 78 | |
| 79 | raise TypeError( |
| 80 | "cannot create value object from '{}' object".format(value.__class__.__name__) |
| 81 | ) |
| 82 | |
| 83 | |
| 84 | class _ValueConst(object._SharedObject, metaclass=abc.ABCMeta): |
| 85 | @staticmethod |
| 86 | def _get_ref(ptr): |
| 87 | native_bt.value_get_ref(ptr) |
| 88 | |
| 89 | @staticmethod |
| 90 | def _put_ref(ptr): |
| 91 | native_bt.value_put_ref(ptr) |
| 92 | |
| 93 | _create_value_from_ptr = staticmethod(_create_from_const_ptr) |
| 94 | _create_value_from_ptr_and_get_ref = staticmethod( |
| 95 | _create_from_const_ptr_and_get_ref |
| 96 | ) |
| 97 | |
| 98 | def __ne__(self, other): |
| 99 | return not (self == other) |
| 100 | |
| 101 | def _check_create_status(self, ptr): |
| 102 | if ptr is None: |
| 103 | raise bt2._MemoryError( |
| 104 | "cannot create {} value object".format(self._NAME.lower()) |
| 105 | ) |
| 106 | |
| 107 | |
| 108 | class _Value(_ValueConst): |
| 109 | _create_value_from_ptr = staticmethod(_create_from_ptr) |
| 110 | _create_value_from_ptr_and_get_ref = staticmethod(_create_from_ptr_and_get_ref) |
| 111 | |
| 112 | |
| 113 | @functools.total_ordering |
| 114 | class _NumericValueConst(_ValueConst): |
| 115 | @staticmethod |
| 116 | def _extract_value(other): |
| 117 | if isinstance(other, _BoolValueConst) or isinstance(other, bool): |
| 118 | return bool(other) |
| 119 | |
| 120 | if isinstance(other, numbers.Integral): |
| 121 | return int(other) |
| 122 | |
| 123 | if isinstance(other, numbers.Real): |
| 124 | return float(other) |
| 125 | |
| 126 | if isinstance(other, numbers.Complex): |
| 127 | return complex(other) |
| 128 | |
| 129 | raise TypeError( |
| 130 | "'{}' object is not a number object".format(other.__class__.__name__) |
| 131 | ) |
| 132 | |
| 133 | def __int__(self): |
| 134 | return int(self._value) |
| 135 | |
| 136 | def __float__(self): |
| 137 | return float(self._value) |
| 138 | |
| 139 | def __repr__(self): |
| 140 | return repr(self._value) |
| 141 | |
| 142 | def __lt__(self, other): |
| 143 | return self._value < self._extract_value(other) |
| 144 | |
| 145 | def __eq__(self, other): |
| 146 | try: |
| 147 | return self._value == self._extract_value(other) |
| 148 | except Exception: |
| 149 | return False |
| 150 | |
| 151 | def __rmod__(self, other): |
| 152 | return self._extract_value(other) % self._value |
| 153 | |
| 154 | def __mod__(self, other): |
| 155 | return self._value % self._extract_value(other) |
| 156 | |
| 157 | def __rfloordiv__(self, other): |
| 158 | return self._extract_value(other) // self._value |
| 159 | |
| 160 | def __floordiv__(self, other): |
| 161 | return self._value // self._extract_value(other) |
| 162 | |
| 163 | def __round__(self, ndigits=None): |
| 164 | if ndigits is None: |
| 165 | return round(self._value) |
| 166 | else: |
| 167 | return round(self._value, ndigits) |
| 168 | |
| 169 | def __ceil__(self): |
| 170 | return math.ceil(self._value) |
| 171 | |
| 172 | def __floor__(self): |
| 173 | return math.floor(self._value) |
| 174 | |
| 175 | def __trunc__(self): |
| 176 | return int(self._value) |
| 177 | |
| 178 | def __abs__(self): |
| 179 | return abs(self._value) |
| 180 | |
| 181 | def __add__(self, other): |
| 182 | return self._value + self._extract_value(other) |
| 183 | |
| 184 | def __radd__(self, other): |
| 185 | return self.__add__(other) |
| 186 | |
| 187 | def __neg__(self): |
| 188 | return -self._value |
| 189 | |
| 190 | def __pos__(self): |
| 191 | return +self._value |
| 192 | |
| 193 | def __mul__(self, other): |
| 194 | return self._value * self._extract_value(other) |
| 195 | |
| 196 | def __rmul__(self, other): |
| 197 | return self.__mul__(other) |
| 198 | |
| 199 | def __truediv__(self, other): |
| 200 | return self._value / self._extract_value(other) |
| 201 | |
| 202 | def __rtruediv__(self, other): |
| 203 | return self._extract_value(other) / self._value |
| 204 | |
| 205 | def __pow__(self, exponent): |
| 206 | return self._value ** self._extract_value(exponent) |
| 207 | |
| 208 | def __rpow__(self, base): |
| 209 | return self._extract_value(base) ** self._value |
| 210 | |
| 211 | |
| 212 | class _NumericValue(_NumericValueConst, _Value): |
| 213 | pass |
| 214 | |
| 215 | |
| 216 | class _IntegralValueConst(_NumericValueConst, numbers.Integral): |
| 217 | def __lshift__(self, other): |
| 218 | return self._value << self._extract_value(other) |
| 219 | |
| 220 | def __rlshift__(self, other): |
| 221 | return self._extract_value(other) << self._value |
| 222 | |
| 223 | def __rshift__(self, other): |
| 224 | return self._value >> self._extract_value(other) |
| 225 | |
| 226 | def __rrshift__(self, other): |
| 227 | return self._extract_value(other) >> self._value |
| 228 | |
| 229 | def __and__(self, other): |
| 230 | return self._value & self._extract_value(other) |
| 231 | |
| 232 | def __rand__(self, other): |
| 233 | return self._extract_value(other) & self._value |
| 234 | |
| 235 | def __xor__(self, other): |
| 236 | return self._value ^ self._extract_value(other) |
| 237 | |
| 238 | def __rxor__(self, other): |
| 239 | return self._extract_value(other) ^ self._value |
| 240 | |
| 241 | def __or__(self, other): |
| 242 | return self._value | self._extract_value(other) |
| 243 | |
| 244 | def __ror__(self, other): |
| 245 | return self._extract_value(other) | self._value |
| 246 | |
| 247 | def __invert__(self): |
| 248 | return ~self._value |
| 249 | |
| 250 | |
| 251 | class _IntegralValue(_IntegralValueConst, _NumericValue): |
| 252 | pass |
| 253 | |
| 254 | |
| 255 | class _BoolValueConst(_IntegralValueConst): |
| 256 | _NAME = "Const boolean" |
| 257 | |
| 258 | def __bool__(self): |
| 259 | return self._value |
| 260 | |
| 261 | def __repr__(self): |
| 262 | return repr(self._value) |
| 263 | |
| 264 | @property |
| 265 | def _value(self): |
| 266 | value = native_bt.value_bool_get(self._ptr) |
| 267 | return value != 0 |
| 268 | |
| 269 | |
| 270 | class BoolValue(_BoolValueConst, _IntegralValue): |
| 271 | _NAME = "Boolean" |
| 272 | |
| 273 | def __init__(self, value=None): |
| 274 | if value is None: |
| 275 | ptr = native_bt.value_bool_create() |
| 276 | else: |
| 277 | ptr = native_bt.value_bool_create_init(self._value_to_bool(value)) |
| 278 | |
| 279 | self._check_create_status(ptr) |
| 280 | super().__init__(ptr) |
| 281 | |
| 282 | @classmethod |
| 283 | def _value_to_bool(cls, value): |
| 284 | if isinstance(value, _BoolValueConst): |
| 285 | value = value._value |
| 286 | |
| 287 | if not isinstance(value, bool): |
| 288 | raise TypeError( |
| 289 | "'{}' object is not a 'bool', 'BoolValue', or '_BoolValueConst' object".format( |
| 290 | value.__class__ |
| 291 | ) |
| 292 | ) |
| 293 | |
| 294 | return value |
| 295 | |
| 296 | def _set_value(self, value): |
| 297 | native_bt.value_bool_set(self._ptr, self._value_to_bool(value)) |
| 298 | |
| 299 | value = property(fset=_set_value) |
| 300 | |
| 301 | |
| 302 | class _IntegerValueConst(_IntegralValueConst): |
| 303 | @property |
| 304 | def _value(self): |
| 305 | return self._get_value(self._ptr) |
| 306 | |
| 307 | |
| 308 | class _IntegerValue(_IntegerValueConst, _IntegralValue): |
| 309 | def __init__(self, value=None): |
| 310 | if value is None: |
| 311 | ptr = self._create_default_value() |
| 312 | else: |
| 313 | ptr = self._create_value(self._value_to_int(value)) |
| 314 | |
| 315 | self._check_create_status(ptr) |
| 316 | super().__init__(ptr) |
| 317 | |
| 318 | @classmethod |
| 319 | def _value_to_int(cls, value): |
| 320 | if not isinstance(value, numbers.Integral): |
| 321 | raise TypeError("expecting an integral number object") |
| 322 | |
| 323 | value = int(value) |
| 324 | cls._check_int_range(value) |
| 325 | return value |
| 326 | |
| 327 | def _prop_set_value(self, value): |
| 328 | self._set_value(self._ptr, self._value_to_int(value)) |
| 329 | |
| 330 | value = property(fset=_prop_set_value) |
| 331 | |
| 332 | |
| 333 | class _UnsignedIntegerValueConst(_IntegerValueConst): |
| 334 | _NAME = "Const unsigned integer" |
| 335 | _get_value = staticmethod(native_bt.value_integer_unsigned_get) |
| 336 | |
| 337 | |
| 338 | class UnsignedIntegerValue(_UnsignedIntegerValueConst, _IntegerValue): |
| 339 | _NAME = "Unsigned integer" |
| 340 | _check_int_range = staticmethod(utils._check_uint64) |
| 341 | _create_default_value = staticmethod(native_bt.value_integer_unsigned_create) |
| 342 | _create_value = staticmethod(native_bt.value_integer_unsigned_create_init) |
| 343 | _set_value = staticmethod(native_bt.value_integer_unsigned_set) |
| 344 | |
| 345 | |
| 346 | class _SignedIntegerValueConst(_IntegerValueConst): |
| 347 | _NAME = "Const signed integer" |
| 348 | _get_value = staticmethod(native_bt.value_integer_signed_get) |
| 349 | |
| 350 | |
| 351 | class SignedIntegerValue(_SignedIntegerValueConst, _IntegerValue): |
| 352 | _NAME = "Signed integer" |
| 353 | _check_int_range = staticmethod(utils._check_int64) |
| 354 | _create_default_value = staticmethod(native_bt.value_integer_signed_create) |
| 355 | _create_value = staticmethod(native_bt.value_integer_signed_create_init) |
| 356 | _set_value = staticmethod(native_bt.value_integer_signed_set) |
| 357 | |
| 358 | |
| 359 | class _RealValueConst(_NumericValueConst, numbers.Real): |
| 360 | _NAME = "Const real number" |
| 361 | |
| 362 | @property |
| 363 | def _value(self): |
| 364 | return native_bt.value_real_get(self._ptr) |
| 365 | |
| 366 | |
| 367 | class RealValue(_RealValueConst, _NumericValue): |
| 368 | _NAME = "Real number" |
| 369 | |
| 370 | def __init__(self, value=None): |
| 371 | if value is None: |
| 372 | ptr = native_bt.value_real_create() |
| 373 | else: |
| 374 | value = self._value_to_float(value) |
| 375 | ptr = native_bt.value_real_create_init(value) |
| 376 | |
| 377 | self._check_create_status(ptr) |
| 378 | super().__init__(ptr) |
| 379 | |
| 380 | @classmethod |
| 381 | def _value_to_float(cls, value): |
| 382 | if not isinstance(value, numbers.Real): |
| 383 | raise TypeError("expecting a real number object") |
| 384 | |
| 385 | return float(value) |
| 386 | |
| 387 | def _set_value(self, value): |
| 388 | native_bt.value_real_set(self._ptr, self._value_to_float(value)) |
| 389 | |
| 390 | value = property(fset=_set_value) |
| 391 | |
| 392 | |
| 393 | @functools.total_ordering |
| 394 | class _StringValueConst(collections.abc.Sequence, _Value): |
| 395 | _NAME = "Const string" |
| 396 | |
| 397 | @classmethod |
| 398 | def _value_to_str(cls, value): |
| 399 | if isinstance(value, _StringValueConst): |
| 400 | value = value._value |
| 401 | |
| 402 | utils._check_str(value) |
| 403 | return value |
| 404 | |
| 405 | @property |
| 406 | def _value(self): |
| 407 | return native_bt.value_string_get(self._ptr) |
| 408 | |
| 409 | def __eq__(self, other): |
| 410 | try: |
| 411 | return self._value == self._value_to_str(other) |
| 412 | except Exception: |
| 413 | return False |
| 414 | |
| 415 | def __lt__(self, other): |
| 416 | return self._value < self._value_to_str(other) |
| 417 | |
| 418 | def __bool__(self): |
| 419 | return bool(self._value) |
| 420 | |
| 421 | def __repr__(self): |
| 422 | return repr(self._value) |
| 423 | |
| 424 | def __str__(self): |
| 425 | return self._value |
| 426 | |
| 427 | def __getitem__(self, index): |
| 428 | return self._value[index] |
| 429 | |
| 430 | def __len__(self): |
| 431 | return len(self._value) |
| 432 | |
| 433 | def __contains__(self, item): |
| 434 | return self._value_to_str(item) in self._value |
| 435 | |
| 436 | |
| 437 | class StringValue(_StringValueConst, _Value): |
| 438 | _NAME = "String" |
| 439 | |
| 440 | def __init__(self, value=None): |
| 441 | if value is None: |
| 442 | ptr = native_bt.value_string_create() |
| 443 | else: |
| 444 | ptr = native_bt.value_string_create_init(self._value_to_str(value)) |
| 445 | |
| 446 | self._check_create_status(ptr) |
| 447 | super().__init__(ptr) |
| 448 | |
| 449 | def _set_value(self, value): |
| 450 | status = native_bt.value_string_set(self._ptr, self._value_to_str(value)) |
| 451 | utils._handle_func_status(status) |
| 452 | |
| 453 | value = property(fset=_set_value) |
| 454 | |
| 455 | def __iadd__(self, value): |
| 456 | curvalue = self._value |
| 457 | curvalue += self._value_to_str(value) |
| 458 | self.value = curvalue |
| 459 | return self |
| 460 | |
| 461 | |
| 462 | class _ContainerConst: |
| 463 | def __bool__(self): |
| 464 | return len(self) != 0 |
| 465 | |
| 466 | |
| 467 | class _Container(_ContainerConst): |
| 468 | def __delitem__(self, index): |
| 469 | raise NotImplementedError |
| 470 | |
| 471 | |
| 472 | class _ArrayValueConst(_ContainerConst, collections.abc.Sequence, _ValueConst): |
| 473 | _NAME = "Const array" |
| 474 | _borrow_element_by_index = staticmethod( |
| 475 | native_bt.value_array_borrow_element_by_index_const |
| 476 | ) |
| 477 | _is_const = True |
| 478 | |
| 479 | def __eq__(self, other): |
| 480 | if not isinstance(other, collections.abc.Sequence): |
| 481 | return False |
| 482 | |
| 483 | if len(self) != len(other): |
| 484 | # early mismatch |
| 485 | return False |
| 486 | |
| 487 | for self_elem, other_elem in zip(self, other): |
| 488 | if self_elem != other_elem: |
| 489 | return False |
| 490 | |
| 491 | return True |
| 492 | |
| 493 | def __len__(self): |
| 494 | size = native_bt.value_array_get_length(self._ptr) |
| 495 | assert size >= 0 |
| 496 | return size |
| 497 | |
| 498 | def _check_index(self, index): |
| 499 | # TODO: support slices also |
| 500 | if not isinstance(index, numbers.Integral): |
| 501 | raise TypeError( |
| 502 | "'{}' object is not an integral number object: invalid index".format( |
| 503 | index.__class__.__name__ |
| 504 | ) |
| 505 | ) |
| 506 | |
| 507 | index = int(index) |
| 508 | |
| 509 | if index < 0 or index >= len(self): |
| 510 | raise IndexError("array value object index is out of range") |
| 511 | |
| 512 | def __getitem__(self, index): |
| 513 | self._check_index(index) |
| 514 | ptr = self._borrow_element_by_index(self._ptr, index) |
| 515 | assert ptr |
| 516 | return self._create_value_from_ptr_and_get_ref(ptr) |
| 517 | |
| 518 | def __repr__(self): |
| 519 | return "[{}]".format(", ".join([repr(v) for v in self])) |
| 520 | |
| 521 | |
| 522 | class ArrayValue(_ArrayValueConst, _Container, collections.abc.MutableSequence, _Value): |
| 523 | _NAME = "Array" |
| 524 | _borrow_element_by_index = staticmethod( |
| 525 | native_bt.value_array_borrow_element_by_index |
| 526 | ) |
| 527 | |
| 528 | def __init__(self, value=None): |
| 529 | ptr = native_bt.value_array_create() |
| 530 | self._check_create_status(ptr) |
| 531 | super().__init__(ptr) |
| 532 | |
| 533 | # Python will raise a TypeError if there's anything wrong with |
| 534 | # the iterable protocol. |
| 535 | if value is not None: |
| 536 | for elem in value: |
| 537 | self.append(elem) |
| 538 | |
| 539 | def __setitem__(self, index, value): |
| 540 | self._check_index(index) |
| 541 | value = create_value(value) |
| 542 | |
| 543 | if value is None: |
| 544 | ptr = native_bt.value_null |
| 545 | else: |
| 546 | ptr = value._ptr |
| 547 | |
| 548 | status = native_bt.value_array_set_element_by_index(self._ptr, index, ptr) |
| 549 | utils._handle_func_status(status) |
| 550 | |
| 551 | def append(self, value): |
| 552 | value = create_value(value) |
| 553 | |
| 554 | if value is None: |
| 555 | ptr = native_bt.value_null |
| 556 | else: |
| 557 | ptr = value._ptr |
| 558 | |
| 559 | status = native_bt.value_array_append_element(self._ptr, ptr) |
| 560 | utils._handle_func_status(status) |
| 561 | |
| 562 | def __iadd__(self, iterable): |
| 563 | # Python will raise a TypeError if there's anything wrong with |
| 564 | # the iterable protocol. |
| 565 | for elem in iterable: |
| 566 | self.append(elem) |
| 567 | |
| 568 | return self |
| 569 | |
| 570 | def insert(self, value): |
| 571 | raise NotImplementedError |
| 572 | |
| 573 | |
| 574 | class _MapValueKeyIterator(collections.abc.Iterator): |
| 575 | def __init__(self, map_obj): |
| 576 | self._map_obj = map_obj |
| 577 | self._at = 0 |
| 578 | keys_ptr = native_bt.value_map_get_keys(map_obj._ptr) |
| 579 | |
| 580 | if keys_ptr is None: |
| 581 | raise RuntimeError("unexpected error: cannot get map value object keys") |
| 582 | |
| 583 | self._keys = _create_from_ptr(keys_ptr) |
| 584 | |
| 585 | def __next__(self): |
| 586 | if self._at == len(self._map_obj): |
| 587 | raise StopIteration |
| 588 | |
| 589 | key = self._keys[self._at] |
| 590 | self._at += 1 |
| 591 | return str(key) |
| 592 | |
| 593 | |
| 594 | class _MapValueConst(_ContainerConst, collections.abc.Mapping, _ValueConst): |
| 595 | _NAME = "Const map" |
| 596 | _borrow_entry_value_ptr = staticmethod(native_bt.value_map_borrow_entry_value_const) |
| 597 | |
| 598 | def __ne__(self, other): |
| 599 | return _Value.__ne__(self, other) |
| 600 | |
| 601 | def __eq__(self, other): |
| 602 | if not isinstance(other, collections.abc.Mapping): |
| 603 | return False |
| 604 | |
| 605 | if len(self) != len(other): |
| 606 | # early mismatch |
| 607 | return False |
| 608 | |
| 609 | for self_key in self: |
| 610 | if self_key not in other: |
| 611 | return False |
| 612 | |
| 613 | if self[self_key] != other[self_key]: |
| 614 | return False |
| 615 | |
| 616 | return True |
| 617 | |
| 618 | def __len__(self): |
| 619 | size = native_bt.value_map_get_size(self._ptr) |
| 620 | assert size >= 0 |
| 621 | return size |
| 622 | |
| 623 | def __contains__(self, key): |
| 624 | self._check_key_type(key) |
| 625 | return native_bt.value_map_has_entry(self._ptr, key) |
| 626 | |
| 627 | def _check_key_type(self, key): |
| 628 | utils._check_str(key) |
| 629 | |
| 630 | def _check_key(self, key): |
| 631 | if key not in self: |
| 632 | raise KeyError(key) |
| 633 | |
| 634 | def __getitem__(self, key): |
| 635 | self._check_key(key) |
| 636 | ptr = self._borrow_entry_value_ptr(self._ptr, key) |
| 637 | assert ptr |
| 638 | return self._create_value_from_ptr_and_get_ref(ptr) |
| 639 | |
| 640 | def __iter__(self): |
| 641 | return _MapValueKeyIterator(self) |
| 642 | |
| 643 | def __repr__(self): |
| 644 | items = ["{}: {}".format(repr(k), repr(v)) for k, v in self.items()] |
| 645 | return "{{{}}}".format(", ".join(items)) |
| 646 | |
| 647 | |
| 648 | class MapValue(_MapValueConst, _Container, collections.abc.MutableMapping, _Value): |
| 649 | _NAME = "Map" |
| 650 | _borrow_entry_value_ptr = staticmethod(native_bt.value_map_borrow_entry_value) |
| 651 | |
| 652 | def __init__(self, value=None): |
| 653 | ptr = native_bt.value_map_create() |
| 654 | self._check_create_status(ptr) |
| 655 | super().__init__(ptr) |
| 656 | |
| 657 | # Python will raise a TypeError if there's anything wrong with |
| 658 | # the iterable/mapping protocol. |
| 659 | if value is not None: |
| 660 | for key, elem in value.items(): |
| 661 | self[key] = elem |
| 662 | |
| 663 | def __setitem__(self, key, value): |
| 664 | self._check_key_type(key) |
| 665 | value = create_value(value) |
| 666 | |
| 667 | if value is None: |
| 668 | ptr = native_bt.value_null |
| 669 | else: |
| 670 | ptr = value._ptr |
| 671 | |
| 672 | status = native_bt.value_map_insert_entry(self._ptr, key, ptr) |
| 673 | utils._handle_func_status(status) |
| 674 | |
| 675 | |
| 676 | _TYPE_TO_OBJ = { |
| 677 | native_bt.VALUE_TYPE_BOOL: BoolValue, |
| 678 | native_bt.VALUE_TYPE_UNSIGNED_INTEGER: UnsignedIntegerValue, |
| 679 | native_bt.VALUE_TYPE_SIGNED_INTEGER: SignedIntegerValue, |
| 680 | native_bt.VALUE_TYPE_REAL: RealValue, |
| 681 | native_bt.VALUE_TYPE_STRING: StringValue, |
| 682 | native_bt.VALUE_TYPE_ARRAY: ArrayValue, |
| 683 | native_bt.VALUE_TYPE_MAP: MapValue, |
| 684 | } |
| 685 | |
| 686 | _TYPE_TO_CONST_OBJ = { |
| 687 | native_bt.VALUE_TYPE_BOOL: _BoolValueConst, |
| 688 | native_bt.VALUE_TYPE_UNSIGNED_INTEGER: _UnsignedIntegerValueConst, |
| 689 | native_bt.VALUE_TYPE_SIGNED_INTEGER: _SignedIntegerValueConst, |
| 690 | native_bt.VALUE_TYPE_REAL: _RealValueConst, |
| 691 | native_bt.VALUE_TYPE_STRING: _StringValueConst, |
| 692 | native_bt.VALUE_TYPE_ARRAY: _ArrayValueConst, |
| 693 | native_bt.VALUE_TYPE_MAP: _MapValueConst, |
| 694 | } |