| 1 | # The MIT License (MIT) |
| 2 | # |
| 3 | # Copyright (c) 2017 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.Frozen('{} 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 __eq__(self, other): |
| 93 | if other is None: |
| 94 | # self is never the null value object |
| 95 | return False |
| 96 | |
| 97 | # try type-specific comparison first |
| 98 | spec_eq = self._spec_eq(other) |
| 99 | |
| 100 | if spec_eq is not None: |
| 101 | return spec_eq |
| 102 | |
| 103 | if not isinstance(other, _Value): |
| 104 | # not comparing apples to apples |
| 105 | return False |
| 106 | |
| 107 | # fall back to native comparison function |
| 108 | return native_bt.value_compare(self._ptr, other._ptr) |
| 109 | |
| 110 | def __ne__(self, other): |
| 111 | return not (self == other) |
| 112 | |
| 113 | @abc.abstractmethod |
| 114 | def _spec_eq(self, other): |
| 115 | pass |
| 116 | |
| 117 | def _handle_status(self, status): |
| 118 | _handle_status(status, self._NAME) |
| 119 | |
| 120 | def _check_create_status(self, ptr): |
| 121 | if ptr is None: |
| 122 | raise bt2.CreationError('cannot create {} value object'.format(self._NAME.lower())) |
| 123 | |
| 124 | def _is_frozen(self): |
| 125 | return native_bt.value_is_frozen(self._ptr) |
| 126 | |
| 127 | def _freeze(self): |
| 128 | status = native_bt.value_freeze(self._ptr) |
| 129 | self._handle_status(status) |
| 130 | |
| 131 | |
| 132 | class _BasicCopy: |
| 133 | def __copy__(self): |
| 134 | return self.__class__(self.value) |
| 135 | |
| 136 | def __deepcopy__(self, memo): |
| 137 | copy = self.__copy__() |
| 138 | memo[id(self)] = copy |
| 139 | return copy |
| 140 | |
| 141 | |
| 142 | @functools.total_ordering |
| 143 | class _NumericValue(_Value, _BasicCopy): |
| 144 | @staticmethod |
| 145 | def _extract_value(other): |
| 146 | if isinstance(other, _NumericValue): |
| 147 | return other.value |
| 148 | |
| 149 | if other is True or other is False: |
| 150 | return other |
| 151 | |
| 152 | if isinstance(other, numbers.Integral): |
| 153 | return int(other) |
| 154 | |
| 155 | if isinstance(other, numbers.Real): |
| 156 | return float(other) |
| 157 | |
| 158 | if isinstance(other, numbers.Complex): |
| 159 | return complex(other) |
| 160 | |
| 161 | raise TypeError("'{}' object is not a number object".format(other.__class__.__name__)) |
| 162 | |
| 163 | def __int__(self): |
| 164 | return int(self.value) |
| 165 | |
| 166 | def __float__(self): |
| 167 | return float(self.value) |
| 168 | |
| 169 | def __str__(self): |
| 170 | return str(self.value) |
| 171 | |
| 172 | def __lt__(self, other): |
| 173 | if not isinstance(other, numbers.Number): |
| 174 | raise TypeError('unorderable types: {}() < {}()'.format(self.__class__.__name__, |
| 175 | other.__class__.__name__)) |
| 176 | |
| 177 | return self.value < float(other) |
| 178 | |
| 179 | def __le__(self, other): |
| 180 | if not isinstance(other, numbers.Number): |
| 181 | raise TypeError('unorderable types: {}() <= {}()'.format(self.__class__.__name__, |
| 182 | other.__class__.__name__)) |
| 183 | |
| 184 | return self.value <= float(other) |
| 185 | |
| 186 | def _spec_eq(self, other): |
| 187 | pass |
| 188 | |
| 189 | def __eq__(self, other): |
| 190 | if not isinstance(other, numbers.Number): |
| 191 | return False |
| 192 | |
| 193 | return self.value == complex(other) |
| 194 | |
| 195 | def __rmod__(self, other): |
| 196 | return self._extract_value(other) % self.value |
| 197 | |
| 198 | def __mod__(self, other): |
| 199 | return self.value % self._extract_value(other) |
| 200 | |
| 201 | def __rfloordiv__(self, other): |
| 202 | return self._extract_value(other) // self.value |
| 203 | |
| 204 | def __floordiv__(self, other): |
| 205 | return self.value // self._extract_value(other) |
| 206 | |
| 207 | def __round__(self, ndigits=None): |
| 208 | if ndigits is None: |
| 209 | return round(self.value) |
| 210 | else: |
| 211 | return round(self.value, ndigits) |
| 212 | |
| 213 | def __ceil__(self): |
| 214 | return math.ceil(self.value) |
| 215 | |
| 216 | def __floor__(self): |
| 217 | return math.floor(self.value) |
| 218 | |
| 219 | def __trunc__(self): |
| 220 | return int(self.value) |
| 221 | |
| 222 | def __abs__(self): |
| 223 | return abs(self.value) |
| 224 | |
| 225 | def __add__(self, other): |
| 226 | return self.value + self._extract_value(other) |
| 227 | |
| 228 | def __radd__(self, other): |
| 229 | return self.__add__(other) |
| 230 | |
| 231 | def __neg__(self): |
| 232 | return -self.value |
| 233 | |
| 234 | def __pos__(self): |
| 235 | return +self.value |
| 236 | |
| 237 | def __mul__(self, other): |
| 238 | return self.value * self._extract_value(other) |
| 239 | |
| 240 | def __rmul__(self, other): |
| 241 | return self.__mul__(other) |
| 242 | |
| 243 | def __truediv__(self, other): |
| 244 | return self.value / self._extract_value(other) |
| 245 | |
| 246 | def __rtruediv__(self, other): |
| 247 | return self._extract_value(other) / self.value |
| 248 | |
| 249 | def __pow__(self, exponent): |
| 250 | return self.value ** self._extract_value(exponent) |
| 251 | |
| 252 | def __rpow__(self, base): |
| 253 | return self._extract_value(base) ** self.value |
| 254 | |
| 255 | def __iadd__(self, other): |
| 256 | self.value = self + other |
| 257 | return self |
| 258 | |
| 259 | def __isub__(self, other): |
| 260 | self.value = self - other |
| 261 | return self |
| 262 | |
| 263 | def __imul__(self, other): |
| 264 | self.value = self * other |
| 265 | return self |
| 266 | |
| 267 | def __itruediv__(self, other): |
| 268 | self.value = self / other |
| 269 | return self |
| 270 | |
| 271 | def __ifloordiv__(self, other): |
| 272 | self.value = self // other |
| 273 | return self |
| 274 | |
| 275 | def __imod__(self, other): |
| 276 | self.value = self % other |
| 277 | return self |
| 278 | |
| 279 | def __ipow__(self, other): |
| 280 | self.value = self ** other |
| 281 | return self |
| 282 | |
| 283 | |
| 284 | class _IntegralValue(_NumericValue, numbers.Integral): |
| 285 | def __lshift__(self, other): |
| 286 | return self.value << self._extract_value(other) |
| 287 | |
| 288 | def __rlshift__(self, other): |
| 289 | return self._extract_value(other) << self.value |
| 290 | |
| 291 | def __rshift__(self, other): |
| 292 | return self.value >> self._extract_value(other) |
| 293 | |
| 294 | def __rrshift__(self, other): |
| 295 | return self._extract_value(other) >> self.value |
| 296 | |
| 297 | def __and__(self, other): |
| 298 | return self.value & self._extract_value(other) |
| 299 | |
| 300 | def __rand__(self, other): |
| 301 | return self._extract_value(other) & self.value |
| 302 | |
| 303 | def __xor__(self, other): |
| 304 | return self.value ^ self._extract_value(other) |
| 305 | |
| 306 | def __rxor__(self, other): |
| 307 | return self._extract_value(other) ^ self.value |
| 308 | |
| 309 | def __or__(self, other): |
| 310 | return self.value | self._extract_value(other) |
| 311 | |
| 312 | def __ror__(self, other): |
| 313 | return self._extract_value(other) | self.value |
| 314 | |
| 315 | def __invert__(self): |
| 316 | return ~self.value |
| 317 | |
| 318 | def __ilshift__(self, other): |
| 319 | self.value = self << other |
| 320 | return self |
| 321 | |
| 322 | def __irshift__(self, other): |
| 323 | self.value = self >> other |
| 324 | return self |
| 325 | |
| 326 | def __iand__(self, other): |
| 327 | self.value = self & other |
| 328 | return self |
| 329 | |
| 330 | def __ixor__(self, other): |
| 331 | self.value = self ^ other |
| 332 | return self |
| 333 | |
| 334 | def __ior__(self, other): |
| 335 | self.value = self | other |
| 336 | return self |
| 337 | |
| 338 | |
| 339 | class _RealValue(_NumericValue, numbers.Real): |
| 340 | pass |
| 341 | |
| 342 | |
| 343 | class BoolValue(_Value, _BasicCopy): |
| 344 | _NAME = 'Boolean' |
| 345 | |
| 346 | def __init__(self, value=None): |
| 347 | if value is None: |
| 348 | ptr = native_bt.value_bool_create() |
| 349 | else: |
| 350 | ptr = native_bt.value_bool_create_init(self._value_to_bool(value)) |
| 351 | |
| 352 | self._check_create_status(ptr) |
| 353 | super().__init__(ptr) |
| 354 | |
| 355 | def _spec_eq(self, other): |
| 356 | if isinstance(other, numbers.Number): |
| 357 | return self.value == bool(other) |
| 358 | |
| 359 | def __bool__(self): |
| 360 | return self.value |
| 361 | |
| 362 | def __str__(self): |
| 363 | return str(self.value) |
| 364 | |
| 365 | def _value_to_bool(self, value): |
| 366 | if isinstance(value, BoolValue): |
| 367 | value = value.value |
| 368 | |
| 369 | if not isinstance(value, bool): |
| 370 | raise TypeError("'{}' object is not a 'bool' or 'BoolValue' object".format(value.__class__)) |
| 371 | |
| 372 | return int(value) |
| 373 | |
| 374 | @property |
| 375 | def value(self): |
| 376 | status, value = native_bt.value_bool_get(self._ptr) |
| 377 | assert(status == native_bt.VALUE_STATUS_OK) |
| 378 | return value > 0 |
| 379 | |
| 380 | @value.setter |
| 381 | def value(self, value): |
| 382 | status = native_bt.value_bool_set(self._ptr, self._value_to_bool(value)) |
| 383 | self._handle_status(status) |
| 384 | |
| 385 | |
| 386 | class IntegerValue(_IntegralValue): |
| 387 | _NAME = 'Integer' |
| 388 | |
| 389 | def __init__(self, value=None): |
| 390 | if value is None: |
| 391 | ptr = native_bt.value_integer_create() |
| 392 | else: |
| 393 | ptr = native_bt.value_integer_create_init(self._value_to_int(value)) |
| 394 | |
| 395 | self._check_create_status(ptr) |
| 396 | super().__init__(ptr) |
| 397 | |
| 398 | def _value_to_int(self, value): |
| 399 | if not isinstance(value, numbers.Real): |
| 400 | raise TypeError('expecting a number object') |
| 401 | |
| 402 | value = int(value) |
| 403 | utils._check_int64(value) |
| 404 | return value |
| 405 | |
| 406 | @property |
| 407 | def value(self): |
| 408 | status, value = native_bt.value_integer_get(self._ptr) |
| 409 | assert(status == native_bt.VALUE_STATUS_OK) |
| 410 | return value |
| 411 | |
| 412 | @value.setter |
| 413 | def value(self, value): |
| 414 | status = native_bt.value_integer_set(self._ptr, self._value_to_int(value)) |
| 415 | self._handle_status(status) |
| 416 | |
| 417 | |
| 418 | class FloatValue(_RealValue): |
| 419 | _NAME = 'Floating point number' |
| 420 | |
| 421 | def __init__(self, value=None): |
| 422 | if value is None: |
| 423 | ptr = native_bt.value_float_create() |
| 424 | else: |
| 425 | value = self._value_to_float(value) |
| 426 | ptr = native_bt.value_float_create_init(value) |
| 427 | |
| 428 | self._check_create_status(ptr) |
| 429 | super().__init__(ptr) |
| 430 | |
| 431 | def _value_to_float(self, value): |
| 432 | if not isinstance(value, numbers.Real): |
| 433 | raise TypeError("expecting a real number object") |
| 434 | |
| 435 | return float(value) |
| 436 | |
| 437 | @property |
| 438 | def value(self): |
| 439 | status, value = native_bt.value_float_get(self._ptr) |
| 440 | assert(status == native_bt.VALUE_STATUS_OK) |
| 441 | return value |
| 442 | |
| 443 | @value.setter |
| 444 | def value(self, value): |
| 445 | value = self._value_to_float(value) |
| 446 | status = native_bt.value_float_set(self._ptr, value) |
| 447 | self._handle_status(status) |
| 448 | |
| 449 | |
| 450 | @functools.total_ordering |
| 451 | class StringValue(_BasicCopy, collections.abc.Sequence, _Value): |
| 452 | _NAME = 'String' |
| 453 | |
| 454 | def __init__(self, value=None): |
| 455 | if value is None: |
| 456 | ptr = native_bt.value_string_create() |
| 457 | else: |
| 458 | ptr = native_bt.value_string_create_init(self._value_to_str(value)) |
| 459 | |
| 460 | self._check_create_status(ptr) |
| 461 | super().__init__(ptr) |
| 462 | |
| 463 | def _value_to_str(self, value): |
| 464 | if isinstance(value, self.__class__): |
| 465 | value = value.value |
| 466 | |
| 467 | utils._check_str(value) |
| 468 | return value |
| 469 | |
| 470 | @property |
| 471 | def value(self): |
| 472 | status, value = native_bt.value_string_get(self._ptr) |
| 473 | assert(status == native_bt.VALUE_STATUS_OK) |
| 474 | return value |
| 475 | |
| 476 | @value.setter |
| 477 | def value(self, value): |
| 478 | status = native_bt.value_string_set(self._ptr, self._value_to_str(value)) |
| 479 | self._handle_status(status) |
| 480 | |
| 481 | def _spec_eq(self, other): |
| 482 | try: |
| 483 | return self.value == self._value_to_str(other) |
| 484 | except: |
| 485 | return |
| 486 | |
| 487 | def __le__(self, other): |
| 488 | return self.value <= self._value_to_str(other) |
| 489 | |
| 490 | def __lt__(self, other): |
| 491 | return self.value < self._value_to_str(other) |
| 492 | |
| 493 | def __bool__(self): |
| 494 | return bool(self.value) |
| 495 | |
| 496 | def __str__(self): |
| 497 | return self.value |
| 498 | |
| 499 | def __getitem__(self, index): |
| 500 | return self.value[index] |
| 501 | |
| 502 | def __len__(self): |
| 503 | return len(self.value) |
| 504 | |
| 505 | def __iadd__(self, value): |
| 506 | curvalue = self.value |
| 507 | curvalue += self._value_to_str(value) |
| 508 | self.value = curvalue |
| 509 | return self |
| 510 | |
| 511 | |
| 512 | class _Container: |
| 513 | def __bool__(self): |
| 514 | return len(self) != 0 |
| 515 | |
| 516 | def __copy__(self): |
| 517 | return self.__class__(self) |
| 518 | |
| 519 | def __deepcopy__(self, memo): |
| 520 | ptr = native_bt.value_copy(self._ptr) |
| 521 | |
| 522 | if ptr is None: |
| 523 | raise RuntimeError('unexpected error: cannot deep-copy {} value object'.format(self._NAME)) |
| 524 | |
| 525 | copy = self.__class__._create_from_ptr(ptr) |
| 526 | memo[id(self)] = copy |
| 527 | return copy |
| 528 | |
| 529 | def __delitem__(self, index): |
| 530 | raise NotImplementedError |
| 531 | |
| 532 | |
| 533 | class ArrayValue(_Container, collections.abc.MutableSequence, _Value): |
| 534 | _NAME = 'Array' |
| 535 | |
| 536 | def __init__(self, value=None): |
| 537 | ptr = native_bt.value_array_create() |
| 538 | self._check_create_status(ptr) |
| 539 | super().__init__(ptr) |
| 540 | |
| 541 | # Python will raise a TypeError if there's anything wrong with |
| 542 | # the iterable protocol. |
| 543 | if value is not None: |
| 544 | for elem in value: |
| 545 | self.append(elem) |
| 546 | |
| 547 | def _spec_eq(self, other): |
| 548 | try: |
| 549 | if len(self) != len(other): |
| 550 | # early mismatch |
| 551 | return False |
| 552 | |
| 553 | for self_elem, other_elem in zip(self, other): |
| 554 | if self_elem != other_elem: |
| 555 | return False |
| 556 | |
| 557 | return True |
| 558 | except: |
| 559 | return |
| 560 | |
| 561 | def __len__(self): |
| 562 | size = native_bt.value_array_size(self._ptr) |
| 563 | assert(size >= 0) |
| 564 | return size |
| 565 | |
| 566 | def _check_index(self, index): |
| 567 | # TODO: support slices also |
| 568 | if not isinstance(index, numbers.Integral): |
| 569 | raise TypeError("'{}' object is not an integral number object: invalid index".format(index.__class__.__name__)) |
| 570 | |
| 571 | index = int(index) |
| 572 | |
| 573 | if index < 0 or index >= len(self): |
| 574 | raise IndexError('array value object index is out of range') |
| 575 | |
| 576 | def __getitem__(self, index): |
| 577 | self._check_index(index) |
| 578 | ptr = native_bt.value_array_get(self._ptr, index) |
| 579 | assert(ptr) |
| 580 | return _create_from_ptr(ptr) |
| 581 | |
| 582 | def __setitem__(self, index, value): |
| 583 | self._check_index(index) |
| 584 | value = create_value(value) |
| 585 | |
| 586 | if value is None: |
| 587 | ptr = native_bt.value_null |
| 588 | else: |
| 589 | ptr = value._ptr |
| 590 | |
| 591 | status = native_bt.value_array_set(self._ptr, index, ptr) |
| 592 | self._handle_status(status) |
| 593 | |
| 594 | def append(self, value): |
| 595 | value = create_value(value) |
| 596 | |
| 597 | if value is None: |
| 598 | ptr = native_bt.value_null |
| 599 | else: |
| 600 | ptr = value._ptr |
| 601 | |
| 602 | status = native_bt.value_array_append(self._ptr, ptr) |
| 603 | self._handle_status(status) |
| 604 | |
| 605 | def __iadd__(self, iterable): |
| 606 | # Python will raise a TypeError if there's anything wrong with |
| 607 | # the iterable protocol. |
| 608 | for elem in iterable: |
| 609 | self.append(elem) |
| 610 | |
| 611 | return self |
| 612 | |
| 613 | def __str__(self): |
| 614 | strings = [] |
| 615 | |
| 616 | for elem in self: |
| 617 | if isinstance(elem, StringValue): |
| 618 | strings.append(repr(elem.value)) |
| 619 | else: |
| 620 | strings.append(str(elem)) |
| 621 | |
| 622 | return '[{}]'.format(', '.join(strings)) |
| 623 | |
| 624 | def insert(self, value): |
| 625 | raise NotImplementedError |
| 626 | |
| 627 | |
| 628 | class _MapValueKeyIterator(collections.abc.Iterator): |
| 629 | def __init__(self, map_obj): |
| 630 | self._map_obj = map_obj |
| 631 | self._at = 0 |
| 632 | keys_ptr = native_bt.value_map_get_keys_private(map_obj._ptr) |
| 633 | |
| 634 | if keys_ptr is None: |
| 635 | raise RuntimeError('unexpected error: cannot get map value object keys') |
| 636 | |
| 637 | self._keys = _create_from_ptr(keys_ptr) |
| 638 | |
| 639 | def __next__(self): |
| 640 | if self._at == len(self._map_obj): |
| 641 | raise StopIteration |
| 642 | |
| 643 | key = self._keys[self._at] |
| 644 | self._at += 1 |
| 645 | return str(key) |
| 646 | |
| 647 | |
| 648 | class MapValue(_Container, collections.abc.MutableMapping, _Value): |
| 649 | _NAME = 'Map' |
| 650 | |
| 651 | def __init__(self, value=None): |
| 652 | ptr = native_bt.value_map_create() |
| 653 | self._check_create_status(ptr) |
| 654 | super().__init__(ptr) |
| 655 | |
| 656 | # Python will raise a TypeError if there's anything wrong with |
| 657 | # the iterable/mapping protocol. |
| 658 | if value is not None: |
| 659 | for key, elem in value.items(): |
| 660 | self[key] = elem |
| 661 | |
| 662 | def __eq__(self, other): |
| 663 | return _Value.__eq__(self, other) |
| 664 | |
| 665 | def __ne__(self, other): |
| 666 | return _Value.__ne__(self, other) |
| 667 | |
| 668 | def _spec_eq(self, other): |
| 669 | try: |
| 670 | if len(self) != len(other): |
| 671 | # early mismatch |
| 672 | return False |
| 673 | |
| 674 | for self_key in self: |
| 675 | if self_key not in other: |
| 676 | return False |
| 677 | |
| 678 | self_value = self[self_key] |
| 679 | other_value = other[self_key] |
| 680 | |
| 681 | if self_value != other_value: |
| 682 | return False |
| 683 | |
| 684 | return True |
| 685 | except: |
| 686 | return |
| 687 | |
| 688 | def __len__(self): |
| 689 | size = native_bt.value_map_size(self._ptr) |
| 690 | assert(size >= 0) |
| 691 | return size |
| 692 | |
| 693 | def __contains__(self, key): |
| 694 | self._check_key_type(key) |
| 695 | return native_bt.value_map_has_key(self._ptr, key) |
| 696 | |
| 697 | def _check_key_type(self, key): |
| 698 | utils._check_str(key) |
| 699 | |
| 700 | def _check_key(self, key): |
| 701 | if key not in self: |
| 702 | raise KeyError(key) |
| 703 | |
| 704 | def __getitem__(self, key): |
| 705 | self._check_key(key) |
| 706 | ptr = native_bt.value_map_get(self._ptr, key) |
| 707 | assert(ptr) |
| 708 | return _create_from_ptr(ptr) |
| 709 | |
| 710 | def __iter__(self): |
| 711 | return _MapValueKeyIterator(self) |
| 712 | |
| 713 | def __setitem__(self, key, value): |
| 714 | self._check_key_type(key) |
| 715 | value = create_value(value) |
| 716 | |
| 717 | if value is None: |
| 718 | ptr = native_bt.value_null |
| 719 | else: |
| 720 | ptr = value._ptr |
| 721 | |
| 722 | status = native_bt.value_map_insert(self._ptr, key, ptr) |
| 723 | self._handle_status(status) |
| 724 | |
| 725 | def __str__(self): |
| 726 | strings = [] |
| 727 | |
| 728 | for key, elem in self.items(): |
| 729 | if isinstance(elem, StringValue): |
| 730 | value = repr(elem.value) |
| 731 | else: |
| 732 | value = str(elem) |
| 733 | |
| 734 | strings.append('{}: {}'.format(repr(key), value)) |
| 735 | |
| 736 | return '{{{}}}'.format(', '.join(strings)) |
| 737 | |
| 738 | |
| 739 | _TYPE_TO_OBJ = { |
| 740 | native_bt.VALUE_TYPE_BOOL: BoolValue, |
| 741 | native_bt.VALUE_TYPE_INTEGER: IntegerValue, |
| 742 | native_bt.VALUE_TYPE_FLOAT: FloatValue, |
| 743 | native_bt.VALUE_TYPE_STRING: StringValue, |
| 744 | native_bt.VALUE_TYPE_ARRAY: ArrayValue, |
| 745 | native_bt.VALUE_TYPE_MAP: MapValue, |
| 746 | } |