| 1 | # SPDX-License-Identifier: MIT |
| 2 | # |
| 3 | # Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com> |
| 4 | |
| 5 | from bt2 import native_bt |
| 6 | from bt2 import object as bt2_object |
| 7 | from bt2 import utils as bt2_utils |
| 8 | import collections.abc |
| 9 | import functools |
| 10 | import numbers |
| 11 | import math |
| 12 | import abc |
| 13 | import bt2 |
| 14 | |
| 15 | |
| 16 | def _create_from_ptr_template(ptr, object_map): |
| 17 | if ptr is None: |
| 18 | return |
| 19 | |
| 20 | # bt_value_null is translated to None. However, we are given a reference |
| 21 | # to it that we are not going to manage anymore, since we don't create a |
| 22 | # Python wrapper for it. Therefore put that reference immediately. |
| 23 | if ptr == native_bt.value_null: |
| 24 | _Value._put_ref(ptr) |
| 25 | return |
| 26 | |
| 27 | typeid = native_bt.value_get_type(ptr) |
| 28 | return object_map[typeid]._create_from_ptr(ptr) |
| 29 | |
| 30 | |
| 31 | def _create_from_ptr(ptr): |
| 32 | return _create_from_ptr_template(ptr, _TYPE_TO_OBJ) |
| 33 | |
| 34 | |
| 35 | def _create_from_const_ptr(ptr): |
| 36 | return _create_from_ptr_template(ptr, _TYPE_TO_CONST_OBJ) |
| 37 | |
| 38 | |
| 39 | def _create_from_ptr_and_get_ref_template(ptr, object_map): |
| 40 | if ptr is None or ptr == native_bt.value_null: |
| 41 | return |
| 42 | |
| 43 | typeid = native_bt.value_get_type(ptr) |
| 44 | return object_map[typeid]._create_from_ptr_and_get_ref(ptr) |
| 45 | |
| 46 | |
| 47 | def _create_from_ptr_and_get_ref(ptr): |
| 48 | return _create_from_ptr_and_get_ref_template(ptr, _TYPE_TO_OBJ) |
| 49 | |
| 50 | |
| 51 | def _create_from_const_ptr_and_get_ref(ptr): |
| 52 | return _create_from_ptr_and_get_ref_template(ptr, _TYPE_TO_CONST_OBJ) |
| 53 | |
| 54 | |
| 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, numbers.Integral): |
| 67 | return SignedIntegerValue(value) |
| 68 | |
| 69 | if isinstance(value, numbers.Real): |
| 70 | return RealValue(value) |
| 71 | |
| 72 | if isinstance(value, str): |
| 73 | return StringValue(value) |
| 74 | |
| 75 | if isinstance(value, collections.abc.Sequence): |
| 76 | return ArrayValue(value) |
| 77 | |
| 78 | if isinstance(value, collections.abc.Mapping): |
| 79 | return MapValue(value) |
| 80 | |
| 81 | raise TypeError( |
| 82 | "cannot create value object from '{}' object".format(value.__class__.__name__) |
| 83 | ) |
| 84 | |
| 85 | |
| 86 | class _ValueConst(bt2_object._SharedObject, metaclass=abc.ABCMeta): |
| 87 | @staticmethod |
| 88 | def _get_ref(ptr): |
| 89 | native_bt.value_get_ref(ptr) |
| 90 | |
| 91 | @staticmethod |
| 92 | def _put_ref(ptr): |
| 93 | native_bt.value_put_ref(ptr) |
| 94 | |
| 95 | _create_value_from_ptr = staticmethod(_create_from_const_ptr) |
| 96 | _create_value_from_ptr_and_get_ref = staticmethod( |
| 97 | _create_from_const_ptr_and_get_ref |
| 98 | ) |
| 99 | |
| 100 | def __ne__(self, other): |
| 101 | return not (self == other) |
| 102 | |
| 103 | def _check_create_status(self, ptr): |
| 104 | if ptr is None: |
| 105 | raise bt2._MemoryError( |
| 106 | "cannot create {} value object".format(self._NAME.lower()) |
| 107 | ) |
| 108 | |
| 109 | |
| 110 | class _Value(_ValueConst): |
| 111 | _create_value_from_ptr = staticmethod(_create_from_ptr) |
| 112 | _create_value_from_ptr_and_get_ref = staticmethod(_create_from_ptr_and_get_ref) |
| 113 | |
| 114 | |
| 115 | @functools.total_ordering |
| 116 | class _NumericValueConst(_ValueConst): |
| 117 | @staticmethod |
| 118 | def _extract_value(other): |
| 119 | if isinstance(other, _BoolValueConst) or isinstance(other, bool): |
| 120 | return bool(other) |
| 121 | |
| 122 | if isinstance(other, numbers.Integral): |
| 123 | return int(other) |
| 124 | |
| 125 | if isinstance(other, numbers.Real): |
| 126 | return float(other) |
| 127 | |
| 128 | if isinstance(other, numbers.Complex): |
| 129 | return complex(other) |
| 130 | |
| 131 | raise TypeError( |
| 132 | "'{}' object is not a number object".format(other.__class__.__name__) |
| 133 | ) |
| 134 | |
| 135 | def __int__(self): |
| 136 | return int(self._value) |
| 137 | |
| 138 | def __float__(self): |
| 139 | return float(self._value) |
| 140 | |
| 141 | def __repr__(self): |
| 142 | return repr(self._value) |
| 143 | |
| 144 | def __lt__(self, other): |
| 145 | return self._value < self._extract_value(other) |
| 146 | |
| 147 | def __eq__(self, other): |
| 148 | try: |
| 149 | return self._value == self._extract_value(other) |
| 150 | except Exception: |
| 151 | return False |
| 152 | |
| 153 | def __rmod__(self, other): |
| 154 | return self._extract_value(other) % self._value |
| 155 | |
| 156 | def __mod__(self, other): |
| 157 | return self._value % self._extract_value(other) |
| 158 | |
| 159 | def __rfloordiv__(self, other): |
| 160 | return self._extract_value(other) // self._value |
| 161 | |
| 162 | def __floordiv__(self, other): |
| 163 | return self._value // self._extract_value(other) |
| 164 | |
| 165 | def __round__(self, ndigits=None): |
| 166 | if ndigits is None: |
| 167 | return round(self._value) |
| 168 | else: |
| 169 | return round(self._value, ndigits) |
| 170 | |
| 171 | def __ceil__(self): |
| 172 | return math.ceil(self._value) |
| 173 | |
| 174 | def __floor__(self): |
| 175 | return math.floor(self._value) |
| 176 | |
| 177 | def __trunc__(self): |
| 178 | return int(self._value) |
| 179 | |
| 180 | def __abs__(self): |
| 181 | return abs(self._value) |
| 182 | |
| 183 | def __add__(self, other): |
| 184 | return self._value + self._extract_value(other) |
| 185 | |
| 186 | def __radd__(self, other): |
| 187 | return self.__add__(other) |
| 188 | |
| 189 | def __neg__(self): |
| 190 | return -self._value |
| 191 | |
| 192 | def __pos__(self): |
| 193 | return +self._value |
| 194 | |
| 195 | def __mul__(self, other): |
| 196 | return self._value * self._extract_value(other) |
| 197 | |
| 198 | def __rmul__(self, other): |
| 199 | return self.__mul__(other) |
| 200 | |
| 201 | def __truediv__(self, other): |
| 202 | return self._value / self._extract_value(other) |
| 203 | |
| 204 | def __rtruediv__(self, other): |
| 205 | return self._extract_value(other) / self._value |
| 206 | |
| 207 | def __pow__(self, exponent): |
| 208 | return self._value ** self._extract_value(exponent) |
| 209 | |
| 210 | def __rpow__(self, base): |
| 211 | return self._extract_value(base) ** self._value |
| 212 | |
| 213 | |
| 214 | class _NumericValue(_NumericValueConst, _Value): |
| 215 | pass |
| 216 | |
| 217 | |
| 218 | class _IntegralValueConst(_NumericValueConst, numbers.Integral): |
| 219 | def __lshift__(self, other): |
| 220 | return self._value << self._extract_value(other) |
| 221 | |
| 222 | def __rlshift__(self, other): |
| 223 | return self._extract_value(other) << self._value |
| 224 | |
| 225 | def __rshift__(self, other): |
| 226 | return self._value >> self._extract_value(other) |
| 227 | |
| 228 | def __rrshift__(self, other): |
| 229 | return self._extract_value(other) >> self._value |
| 230 | |
| 231 | def __and__(self, other): |
| 232 | return self._value & self._extract_value(other) |
| 233 | |
| 234 | def __rand__(self, other): |
| 235 | return self._extract_value(other) & self._value |
| 236 | |
| 237 | def __xor__(self, other): |
| 238 | return self._value ^ self._extract_value(other) |
| 239 | |
| 240 | def __rxor__(self, other): |
| 241 | return self._extract_value(other) ^ self._value |
| 242 | |
| 243 | def __or__(self, other): |
| 244 | return self._value | self._extract_value(other) |
| 245 | |
| 246 | def __ror__(self, other): |
| 247 | return self._extract_value(other) | self._value |
| 248 | |
| 249 | def __invert__(self): |
| 250 | return ~self._value |
| 251 | |
| 252 | |
| 253 | class _IntegralValue(_IntegralValueConst, _NumericValue): |
| 254 | pass |
| 255 | |
| 256 | |
| 257 | class _BoolValueConst(_IntegralValueConst): |
| 258 | _NAME = "Const boolean" |
| 259 | |
| 260 | def __bool__(self): |
| 261 | return self._value |
| 262 | |
| 263 | def __repr__(self): |
| 264 | return repr(self._value) |
| 265 | |
| 266 | @property |
| 267 | def _value(self): |
| 268 | value = native_bt.value_bool_get(self._ptr) |
| 269 | return value != 0 |
| 270 | |
| 271 | |
| 272 | class BoolValue(_BoolValueConst, _IntegralValue): |
| 273 | _NAME = "Boolean" |
| 274 | |
| 275 | def __init__(self, value=None): |
| 276 | if value is None: |
| 277 | ptr = native_bt.value_bool_create() |
| 278 | else: |
| 279 | ptr = native_bt.value_bool_create_init(self._value_to_bool(value)) |
| 280 | |
| 281 | self._check_create_status(ptr) |
| 282 | super().__init__(ptr) |
| 283 | |
| 284 | @classmethod |
| 285 | def _value_to_bool(cls, value): |
| 286 | if isinstance(value, _BoolValueConst): |
| 287 | value = value._value |
| 288 | |
| 289 | if not isinstance(value, bool): |
| 290 | raise TypeError( |
| 291 | "'{}' object is not a 'bool', 'BoolValue', or '_BoolValueConst' object".format( |
| 292 | value.__class__ |
| 293 | ) |
| 294 | ) |
| 295 | |
| 296 | return value |
| 297 | |
| 298 | def _set_value(self, value): |
| 299 | native_bt.value_bool_set(self._ptr, self._value_to_bool(value)) |
| 300 | |
| 301 | value = property(fset=_set_value) |
| 302 | |
| 303 | |
| 304 | class _IntegerValueConst(_IntegralValueConst): |
| 305 | @property |
| 306 | def _value(self): |
| 307 | return self._get_value(self._ptr) |
| 308 | |
| 309 | |
| 310 | class _IntegerValue(_IntegerValueConst, _IntegralValue): |
| 311 | def __init__(self, value=None): |
| 312 | if value is None: |
| 313 | ptr = self._create_default_value() |
| 314 | else: |
| 315 | ptr = self._create_value(self._value_to_int(value)) |
| 316 | |
| 317 | self._check_create_status(ptr) |
| 318 | super().__init__(ptr) |
| 319 | |
| 320 | @classmethod |
| 321 | def _value_to_int(cls, value): |
| 322 | if not isinstance(value, numbers.Integral): |
| 323 | raise TypeError("expecting an integral number object") |
| 324 | |
| 325 | value = int(value) |
| 326 | cls._check_int_range(value) |
| 327 | return value |
| 328 | |
| 329 | def _prop_set_value(self, value): |
| 330 | self._set_value(self._ptr, self._value_to_int(value)) |
| 331 | |
| 332 | value = property(fset=_prop_set_value) |
| 333 | |
| 334 | |
| 335 | class _UnsignedIntegerValueConst(_IntegerValueConst): |
| 336 | _NAME = "Const unsigned integer" |
| 337 | _get_value = staticmethod(native_bt.value_integer_unsigned_get) |
| 338 | |
| 339 | |
| 340 | class UnsignedIntegerValue(_UnsignedIntegerValueConst, _IntegerValue): |
| 341 | _NAME = "Unsigned integer" |
| 342 | _check_int_range = staticmethod(bt2_utils._check_uint64) |
| 343 | _create_default_value = staticmethod(native_bt.value_integer_unsigned_create) |
| 344 | _create_value = staticmethod(native_bt.value_integer_unsigned_create_init) |
| 345 | _set_value = staticmethod(native_bt.value_integer_unsigned_set) |
| 346 | |
| 347 | |
| 348 | class _SignedIntegerValueConst(_IntegerValueConst): |
| 349 | _NAME = "Const signed integer" |
| 350 | _get_value = staticmethod(native_bt.value_integer_signed_get) |
| 351 | |
| 352 | |
| 353 | class SignedIntegerValue(_SignedIntegerValueConst, _IntegerValue): |
| 354 | _NAME = "Signed integer" |
| 355 | _check_int_range = staticmethod(bt2_utils._check_int64) |
| 356 | _create_default_value = staticmethod(native_bt.value_integer_signed_create) |
| 357 | _create_value = staticmethod(native_bt.value_integer_signed_create_init) |
| 358 | _set_value = staticmethod(native_bt.value_integer_signed_set) |
| 359 | |
| 360 | |
| 361 | class _RealValueConst(_NumericValueConst, numbers.Real): |
| 362 | _NAME = "Const real number" |
| 363 | |
| 364 | @property |
| 365 | def _value(self): |
| 366 | return native_bt.value_real_get(self._ptr) |
| 367 | |
| 368 | |
| 369 | class RealValue(_RealValueConst, _NumericValue): |
| 370 | _NAME = "Real number" |
| 371 | |
| 372 | def __init__(self, value=None): |
| 373 | if value is None: |
| 374 | ptr = native_bt.value_real_create() |
| 375 | else: |
| 376 | value = self._value_to_float(value) |
| 377 | ptr = native_bt.value_real_create_init(value) |
| 378 | |
| 379 | self._check_create_status(ptr) |
| 380 | super().__init__(ptr) |
| 381 | |
| 382 | @classmethod |
| 383 | def _value_to_float(cls, value): |
| 384 | if not isinstance(value, numbers.Real): |
| 385 | raise TypeError("expecting a real number object") |
| 386 | |
| 387 | return float(value) |
| 388 | |
| 389 | def _set_value(self, value): |
| 390 | native_bt.value_real_set(self._ptr, self._value_to_float(value)) |
| 391 | |
| 392 | value = property(fset=_set_value) |
| 393 | |
| 394 | |
| 395 | @functools.total_ordering |
| 396 | class _StringValueConst(collections.abc.Sequence, _Value): |
| 397 | _NAME = "Const string" |
| 398 | |
| 399 | @classmethod |
| 400 | def _value_to_str(cls, value): |
| 401 | if isinstance(value, _StringValueConst): |
| 402 | value = value._value |
| 403 | |
| 404 | bt2_utils._check_str(value) |
| 405 | return value |
| 406 | |
| 407 | @property |
| 408 | def _value(self): |
| 409 | return native_bt.value_string_get(self._ptr) |
| 410 | |
| 411 | def __eq__(self, other): |
| 412 | try: |
| 413 | return self._value == self._value_to_str(other) |
| 414 | except Exception: |
| 415 | return False |
| 416 | |
| 417 | def __lt__(self, other): |
| 418 | return self._value < self._value_to_str(other) |
| 419 | |
| 420 | def __bool__(self): |
| 421 | return bool(self._value) |
| 422 | |
| 423 | def __repr__(self): |
| 424 | return repr(self._value) |
| 425 | |
| 426 | def __str__(self): |
| 427 | return self._value |
| 428 | |
| 429 | def __getitem__(self, index): |
| 430 | return self._value[index] |
| 431 | |
| 432 | def __len__(self): |
| 433 | return len(self._value) |
| 434 | |
| 435 | def __contains__(self, item): |
| 436 | return self._value_to_str(item) in self._value |
| 437 | |
| 438 | |
| 439 | class StringValue(_StringValueConst, _Value): |
| 440 | _NAME = "String" |
| 441 | |
| 442 | def __init__(self, value=None): |
| 443 | if value is None: |
| 444 | ptr = native_bt.value_string_create() |
| 445 | else: |
| 446 | ptr = native_bt.value_string_create_init(self._value_to_str(value)) |
| 447 | |
| 448 | self._check_create_status(ptr) |
| 449 | super().__init__(ptr) |
| 450 | |
| 451 | def _set_value(self, value): |
| 452 | status = native_bt.value_string_set(self._ptr, self._value_to_str(value)) |
| 453 | bt2_utils._handle_func_status(status) |
| 454 | |
| 455 | value = property(fset=_set_value) |
| 456 | |
| 457 | def __iadd__(self, value): |
| 458 | curvalue = self._value |
| 459 | curvalue += self._value_to_str(value) |
| 460 | self.value = curvalue |
| 461 | return self |
| 462 | |
| 463 | |
| 464 | class _ContainerConst: |
| 465 | def __bool__(self): |
| 466 | return len(self) != 0 |
| 467 | |
| 468 | |
| 469 | class _Container(_ContainerConst): |
| 470 | def __delitem__(self, index): |
| 471 | raise NotImplementedError |
| 472 | |
| 473 | |
| 474 | class _ArrayValueConst(_ContainerConst, collections.abc.Sequence, _ValueConst): |
| 475 | _NAME = "Const array" |
| 476 | _borrow_element_by_index = staticmethod( |
| 477 | native_bt.value_array_borrow_element_by_index_const |
| 478 | ) |
| 479 | _is_const = True |
| 480 | |
| 481 | def __eq__(self, other): |
| 482 | if not isinstance(other, collections.abc.Sequence): |
| 483 | return False |
| 484 | |
| 485 | if len(self) != len(other): |
| 486 | # early mismatch |
| 487 | return False |
| 488 | |
| 489 | for self_elem, other_elem in zip(self, other): |
| 490 | if self_elem != other_elem: |
| 491 | return False |
| 492 | |
| 493 | return True |
| 494 | |
| 495 | def __len__(self): |
| 496 | size = native_bt.value_array_get_length(self._ptr) |
| 497 | assert size >= 0 |
| 498 | return size |
| 499 | |
| 500 | def _check_index(self, index): |
| 501 | # TODO: support slices also |
| 502 | if not isinstance(index, numbers.Integral): |
| 503 | raise TypeError( |
| 504 | "'{}' object is not an integral number object: invalid index".format( |
| 505 | index.__class__.__name__ |
| 506 | ) |
| 507 | ) |
| 508 | |
| 509 | index = int(index) |
| 510 | |
| 511 | if index < 0 or index >= len(self): |
| 512 | raise IndexError("array value object index is out of range") |
| 513 | |
| 514 | def __getitem__(self, index): |
| 515 | self._check_index(index) |
| 516 | ptr = self._borrow_element_by_index(self._ptr, index) |
| 517 | assert ptr |
| 518 | return self._create_value_from_ptr_and_get_ref(ptr) |
| 519 | |
| 520 | def __repr__(self): |
| 521 | return "[{}]".format(", ".join([repr(v) for v in self])) |
| 522 | |
| 523 | |
| 524 | class ArrayValue(_ArrayValueConst, _Container, collections.abc.MutableSequence, _Value): |
| 525 | _NAME = "Array" |
| 526 | _borrow_element_by_index = staticmethod( |
| 527 | native_bt.value_array_borrow_element_by_index |
| 528 | ) |
| 529 | |
| 530 | def __init__(self, value=None): |
| 531 | ptr = native_bt.value_array_create() |
| 532 | self._check_create_status(ptr) |
| 533 | super().__init__(ptr) |
| 534 | |
| 535 | # Python will raise a TypeError if there's anything wrong with |
| 536 | # the iterable protocol. |
| 537 | if value is not None: |
| 538 | for elem in value: |
| 539 | self.append(elem) |
| 540 | |
| 541 | def __setitem__(self, index, value): |
| 542 | self._check_index(index) |
| 543 | value = create_value(value) |
| 544 | |
| 545 | if value is None: |
| 546 | ptr = native_bt.value_null |
| 547 | else: |
| 548 | ptr = value._ptr |
| 549 | |
| 550 | status = native_bt.value_array_set_element_by_index(self._ptr, index, ptr) |
| 551 | bt2_utils._handle_func_status(status) |
| 552 | |
| 553 | def append(self, value): |
| 554 | value = create_value(value) |
| 555 | |
| 556 | if value is None: |
| 557 | ptr = native_bt.value_null |
| 558 | else: |
| 559 | ptr = value._ptr |
| 560 | |
| 561 | status = native_bt.value_array_append_element(self._ptr, ptr) |
| 562 | bt2_utils._handle_func_status(status) |
| 563 | |
| 564 | def __iadd__(self, iterable): |
| 565 | # Python will raise a TypeError if there's anything wrong with |
| 566 | # the iterable protocol. |
| 567 | for elem in iterable: |
| 568 | self.append(elem) |
| 569 | |
| 570 | return self |
| 571 | |
| 572 | def insert(self, value): |
| 573 | raise NotImplementedError |
| 574 | |
| 575 | |
| 576 | class _MapValueKeyIterator(collections.abc.Iterator): |
| 577 | def __init__(self, map_obj): |
| 578 | self._map_obj = map_obj |
| 579 | self._at = 0 |
| 580 | keys_ptr = native_bt.value_map_get_keys(map_obj._ptr) |
| 581 | |
| 582 | if keys_ptr is None: |
| 583 | raise RuntimeError("unexpected error: cannot get map value object keys") |
| 584 | |
| 585 | self._keys = _create_from_ptr(keys_ptr) |
| 586 | |
| 587 | def __next__(self): |
| 588 | if self._at == len(self._map_obj): |
| 589 | raise StopIteration |
| 590 | |
| 591 | key = self._keys[self._at] |
| 592 | self._at += 1 |
| 593 | return str(key) |
| 594 | |
| 595 | |
| 596 | class _MapValueConst(_ContainerConst, collections.abc.Mapping, _ValueConst): |
| 597 | _NAME = "Const map" |
| 598 | _borrow_entry_value_ptr = staticmethod(native_bt.value_map_borrow_entry_value_const) |
| 599 | |
| 600 | def __ne__(self, other): |
| 601 | return _Value.__ne__(self, other) |
| 602 | |
| 603 | def __eq__(self, other): |
| 604 | if not isinstance(other, collections.abc.Mapping): |
| 605 | return False |
| 606 | |
| 607 | if len(self) != len(other): |
| 608 | # early mismatch |
| 609 | return False |
| 610 | |
| 611 | for self_key in self: |
| 612 | if self_key not in other: |
| 613 | return False |
| 614 | |
| 615 | if self[self_key] != other[self_key]: |
| 616 | return False |
| 617 | |
| 618 | return True |
| 619 | |
| 620 | def __len__(self): |
| 621 | size = native_bt.value_map_get_size(self._ptr) |
| 622 | assert size >= 0 |
| 623 | return size |
| 624 | |
| 625 | def __contains__(self, key): |
| 626 | self._check_key_type(key) |
| 627 | return native_bt.value_map_has_entry(self._ptr, key) |
| 628 | |
| 629 | def _check_key_type(self, key): |
| 630 | bt2_utils._check_str(key) |
| 631 | |
| 632 | def _check_key(self, key): |
| 633 | if key not in self: |
| 634 | raise KeyError(key) |
| 635 | |
| 636 | def __getitem__(self, key): |
| 637 | self._check_key(key) |
| 638 | ptr = self._borrow_entry_value_ptr(self._ptr, key) |
| 639 | assert ptr |
| 640 | return self._create_value_from_ptr_and_get_ref(ptr) |
| 641 | |
| 642 | def __iter__(self): |
| 643 | return _MapValueKeyIterator(self) |
| 644 | |
| 645 | def __repr__(self): |
| 646 | items = ["{}: {}".format(repr(k), repr(v)) for k, v in self.items()] |
| 647 | return "{{{}}}".format(", ".join(items)) |
| 648 | |
| 649 | |
| 650 | class MapValue(_MapValueConst, _Container, collections.abc.MutableMapping, _Value): |
| 651 | _NAME = "Map" |
| 652 | _borrow_entry_value_ptr = staticmethod(native_bt.value_map_borrow_entry_value) |
| 653 | |
| 654 | def __init__(self, value=None): |
| 655 | ptr = native_bt.value_map_create() |
| 656 | self._check_create_status(ptr) |
| 657 | super().__init__(ptr) |
| 658 | |
| 659 | # Python will raise a TypeError if there's anything wrong with |
| 660 | # the iterable/mapping protocol. |
| 661 | if value is not None: |
| 662 | for key, elem in value.items(): |
| 663 | self[key] = elem |
| 664 | |
| 665 | def __setitem__(self, key, value): |
| 666 | self._check_key_type(key) |
| 667 | value = create_value(value) |
| 668 | |
| 669 | if value is None: |
| 670 | ptr = native_bt.value_null |
| 671 | else: |
| 672 | ptr = value._ptr |
| 673 | |
| 674 | status = native_bt.value_map_insert_entry(self._ptr, key, ptr) |
| 675 | bt2_utils._handle_func_status(status) |
| 676 | |
| 677 | |
| 678 | _TYPE_TO_OBJ = { |
| 679 | native_bt.VALUE_TYPE_BOOL: BoolValue, |
| 680 | native_bt.VALUE_TYPE_UNSIGNED_INTEGER: UnsignedIntegerValue, |
| 681 | native_bt.VALUE_TYPE_SIGNED_INTEGER: SignedIntegerValue, |
| 682 | native_bt.VALUE_TYPE_REAL: RealValue, |
| 683 | native_bt.VALUE_TYPE_STRING: StringValue, |
| 684 | native_bt.VALUE_TYPE_ARRAY: ArrayValue, |
| 685 | native_bt.VALUE_TYPE_MAP: MapValue, |
| 686 | } |
| 687 | |
| 688 | _TYPE_TO_CONST_OBJ = { |
| 689 | native_bt.VALUE_TYPE_BOOL: _BoolValueConst, |
| 690 | native_bt.VALUE_TYPE_UNSIGNED_INTEGER: _UnsignedIntegerValueConst, |
| 691 | native_bt.VALUE_TYPE_SIGNED_INTEGER: _SignedIntegerValueConst, |
| 692 | native_bt.VALUE_TYPE_REAL: _RealValueConst, |
| 693 | native_bt.VALUE_TYPE_STRING: _StringValueConst, |
| 694 | native_bt.VALUE_TYPE_ARRAY: _ArrayValueConst, |
| 695 | native_bt.VALUE_TYPE_MAP: _MapValueConst, |
| 696 | } |