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GeezerVison is showing github.com — python-docs-ru/c-api/gcsupport.po at 3.15 · python/python-docs-ru Expand file tree/ Copy pathgcsupport.poMore file actions 594 lines (486 loc) · 19 KB / Copy pathgcsupport.poFile metadata and controls594 lines (486 loc) · 19 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 # SOME DESCRIPTIVE TITLE. # Copyright (C) 2001 Python Software Foundation # This file is distributed under the same license as the Python package. # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR. # # Translators: # python-doc bot, 2026 # #, fuzzy msgid "" msgstr "" "Project-Id-Version: Python 3.15\n" "Report-Msgid-Bugs-To: \n" "POT-Creation-Date: 2026-11-05 20:53+0000\n" "PO-Revision-Date: 2025-09-16 00:00+0000\n" "Last-Translator: python-doc bot, 2026\n" "Language-Team: Russian (https://app.transifex.com/python-doc/teams/5390/" "ru/)\n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" "Language: ru\n" "Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && " "n%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || " "(n%100>=11 && n%100<=14)? 2 : 3);\n" msgid "Supporting Cyclic Garbage Collection" msgstr "" msgid "" "Python's support for detecting and collecting garbage which involves " "circular references requires support from object types which are " "\"containers\" for other objects which may also be containers. Types which " "do not store references to other objects, or which only store references to " "atomic types (such as numbers or strings), do not need to provide any " "explicit support for garbage collection." msgstr "" msgid "" "To create a container type, the :c:member:`~PyTypeObject.tp_flags` field of " "the type object must include the :c:macro:`Py_TPFLAGS_HAVE_GC` and provide " "an implementation of the :c:member:`~PyTypeObject.tp_traverse` handler. If " "instances of the type are mutable, a :c:member:`~PyTypeObject.tp_clear` " "implementation must also be provided." msgstr "" msgid ":c:macro:`Py_TPFLAGS_HAVE_GC`" msgstr "" msgid "" "Objects with a type with this flag set must conform with the rules " "documented here. For convenience these objects will be referred to as " "container objects." msgstr "" msgid "Constructors for container types must conform to two rules:" msgstr "" msgid "" "The memory for the object must be allocated using :c:macro:`PyObject_GC_New` " "or :c:macro:`PyObject_GC_NewVar`." msgstr "" msgid "" "Once all the fields which may contain references to other containers are " "initialized, it must call :c:func:`PyObject_GC_Track`." msgstr "" msgid "" "Similarly, the deallocator for the object must conform to a similar pair of " "rules:" msgstr "" msgid "" "Before fields which refer to other containers are " "invalidated, :c:func:`PyObject_GC_UnTrack` must be called." msgstr "" msgid "" "The object's memory must be deallocated using :c:func:`PyObject_GC_Del`." msgstr "" msgid "" "If a type adds the Py_TPFLAGS_HAVE_GC, then it *must* implement at least " "a :c:member:`~PyTypeObject.tp_traverse` handler or explicitly use one from a " "base class." msgstr "" msgid "" "When calling :c:func:`PyType_Ready` or some of the APIs that indirectly call " "it like :c:func:`PyType_FromSpecWithBases` or :c:func:`PyType_FromSpec` the " "interpreter will automatically populate " "the :c:member:`~PyTypeObject.tp_flags`, :c:member:`~PyTypeObject.tp_traverse` " "and :c:member:`~PyTypeObject.tp_clear` fields if the type inherits from a " "class that implements the garbage collector protocol and the child class " "does *not* include the :c:macro:`Py_TPFLAGS_HAVE_GC` flag." msgstr "" msgid "" "Analogous to :c:macro:`PyObject_New` but for container objects with " "the :c:macro:`Py_TPFLAGS_HAVE_GC` flag set." msgstr "" msgid "" "Do not call this directly to allocate memory for an object; call the " "type's :c:member:`~PyTypeObject.tp_alloc` slot instead." msgstr "" msgid "" "When populating a type's :c:member:`~PyTypeObject.tp_alloc` " "slot, :c:func:`PyType_GenericAlloc` is preferred over a custom function that " "simply calls this macro." msgstr "" msgid "" "Memory allocated by this macro must be freed with :c:func:`PyObject_GC_Del` " "(usually called via the object's :c:member:`~PyTypeObject.tp_free` slot)." msgstr "" msgid ":c:func:`PyObject_GC_Del`" msgstr "" msgid ":c:macro:`PyObject_New`" msgstr "" msgid ":c:func:`PyType_GenericAlloc`" msgstr "" msgid ":c:member:`~PyTypeObject.tp_alloc`" msgstr "" msgid "" "Analogous to :c:macro:`PyObject_NewVar` but for container objects with " "the :c:macro:`Py_TPFLAGS_HAVE_GC` flag set." msgstr "" msgid ":c:macro:`PyObject_NewVar`" msgstr "" msgid "" "Analogous to :c:macro:`PyObject_GC_New` but allocates *extra_size* bytes at " "the end of the object (at offset :c:member:`~PyTypeObject.tp_basicsize`). " "The allocated memory is initialized to zeros, except for the :c:type:`Python " "object header <PyObject>`." msgstr "" msgid "" "The extra data will be deallocated with the object, but otherwise it is not " "managed by Python." msgstr "" msgid "" "Memory allocated by this function must be freed " "with :c:func:`PyObject_GC_Del` (usually called via the " "object's :c:member:`~PyTypeObject.tp_free` slot)." msgstr "" msgid "" "The function is marked as unstable because the final mechanism for reserving " "extra data after an instance is not yet decided. For allocating a variable " "number of fields, prefer using :c:type:`PyVarObject` " "and :c:member:`~PyTypeObject.tp_itemsize` instead." msgstr "" msgid "" "Resize an object allocated by :c:macro:`PyObject_GC_NewVar`. Returns the " "resized object of type ``TYPE*`` (refers to any C type) or ``NULL`` on " "failure." msgstr "" msgid "" "*op* must be of type :c:expr:`PyVarObject *` and must not be tracked by the " "collector yet. *newsize* must be of type :c:type:`Py_ssize_t`." msgstr "" msgid "" "Adds the object *op* to the set of container objects tracked by the " "collector. The collector can run at unexpected times so objects must be " "valid while being tracked. This should be called once all the fields " "followed by the :c:member:`~PyTypeObject.tp_traverse` handler become valid, " "usually near the end of the constructor." msgstr "" msgid "" "Returns non-zero if the object implements the garbage collector protocol, " "otherwise returns 0." msgstr "" msgid "" "The object cannot be tracked by the garbage collector if this function " "returns 0." msgstr "" msgid "" "Returns 1 if the object type of *op* implements the GC protocol and *op* is " "being currently tracked by the garbage collector and 0 otherwise." msgstr "" msgid "This is analogous to the Python function :func:`gc.is_tracked`." msgstr "" msgid "" "Returns 1 if the object type of *op* implements the GC protocol and *op* has " "been already finalized by the garbage collector and 0 otherwise." msgstr "" msgid "This is analogous to the Python function :func:`gc.is_finalized`." msgstr "" msgid "" "Releases memory allocated to an object using :c:macro:`PyObject_GC_New` " "or :c:macro:`PyObject_GC_NewVar`." msgstr "" msgid "" "Do not call this directly to free an object's memory; call the " "type's :c:member:`~PyTypeObject.tp_free` slot instead." msgstr "" msgid "" "Do not use this for memory allocated " "by :c:macro:`PyObject_New`, :c:macro:`PyObject_NewVar`, or related " "allocation functions; use :c:func:`PyObject_Free` instead." msgstr "" msgid ":c:func:`PyObject_Free` is the non-GC equivalent of this function." msgstr "" msgid ":c:macro:`PyObject_GC_New`" msgstr "" msgid ":c:macro:`PyObject_GC_NewVar`" msgstr "" msgid ":c:member:`~PyTypeObject.tp_free`" msgstr "" msgid "" "Remove the object *op* from the set of container objects tracked by the " "collector. Note that :c:func:`PyObject_GC_Track` can be called again on " "this object to add it back to the set of tracked objects. The deallocator " "(:c:member:`~PyTypeObject.tp_dealloc` handler) should call this for the " "object before any of the fields used by " "the :c:member:`~PyTypeObject.tp_traverse` handler become invalid." msgstr "" msgid "" "The :c:func:`!_PyObject_GC_TRACK` and :c:func:`!_PyObject_GC_UNTRACK` macros " "have been removed from the public C API." msgstr "" msgid "" "The :c:member:`~PyTypeObject.tp_traverse` handler accepts a function " "parameter of this type:" msgstr "" msgid "" "Type of the visitor function passed to " "the :c:member:`~PyTypeObject.tp_traverse` handler. The function should be " "called with an object to traverse as *object* and the third parameter to " "the :c:member:`~PyTypeObject.tp_traverse` handler as *arg*. The Python core " "uses several visitor functions to implement cyclic garbage detection; it's " "not expected that users will need to write their own visitor functions." msgstr "" msgid "" "The :c:member:`~PyTypeObject.tp_clear` handler must be of " "the :c:type:`inquiry` type, or ``NULL`` if the object is immutable." msgstr "" msgid "" "Drop references that may have created reference cycles. Immutable objects " "do not have to define this method since they can never directly create " "reference cycles. Note that the object must still be valid after calling " "this method (don't just call :c:func:`Py_DECREF` on a reference). The " "collector will call this method if it detects that this object is involved " "in a reference cycle." msgstr "" msgid "Traversal" msgstr "" msgid "" "The :c:member:`~PyTypeObject.tp_traverse` handler must have the following " "type:" msgstr "" msgid "" "Traversal function for a garbage-collected object, used by the garbage " "collector to detect reference cycles. Implementations must call the *visit* " "function for each object directly contained by *self*, with the parameters " "to *visit* being the contained object and the *arg* value passed to the " "handler. The *visit* function must not be called with a ``NULL`` object " "argument. If *visit* returns a non-zero value, that value should be " "returned immediately. Otherwise, return zero." msgstr "" msgid "" "A typical :c:member:`!tp_traverse` function calls the :c:func:`Py_VISIT` " "convenience macro on each of the instance's members that are Python objects " "that the instance owns. For example, this is a (slightly outdated) traversal " "function for the :py:class:`threading.local` class::" msgstr "" msgid "" "static int\n" "local_traverse(PyObject *op, visitproc visit, void *arg)\n" "{\n" " localobject *self = (localobject *) op;\n" " Py_VISIT(Py_TYPE(self));\n" " Py_VISIT(self->args);\n" " Py_VISIT(self->kw);\n" " Py_VISIT(self->dict);\n" " return 0;\n" "}" msgstr "" msgid "" ":c:func:`Py_VISIT` requires the *visit* and *arg* parameters to :c:func:`!" "local_traverse` to have these specific names; don't name them just anything." msgstr "" msgid "" "Instances of :ref:`heap-allocated types <heap-types>` hold a reference to " "their type. Their traversal function must therefore visit the type::" msgstr "" msgid "Py_VISIT(Py_TYPE(self));" msgstr "" msgid "" "Alternately, the type may delegate this responsibility by calling " "``tp_traverse`` of a heap-allocated superclass (or another heap-allocated " "type, if applicable). If they do not, the type object may not be garbage-" "collected." msgstr "" msgid "" "If the :c:macro:`Py_TPFLAGS_MANAGED_DICT` bit is set in " "the :c:member:`~PyTypeObject.tp_flags` field, the traverse function must " "call :c:func:`PyObject_VisitManagedDict` like this::" msgstr "" msgid "" "int err = PyObject_VisitManagedDict((PyObject*)self, visit, arg);\n" "if (err) {\n" " return err;\n" "}" msgstr "" msgid "" "Only the members that the instance *owns* (by having :term:`strong " "references <strong reference>` to them) must be visited. For instance, if an " "object supports weak references via " "the :c:member:`~PyTypeObject.tp_weaklist` slot, the pointer supporting the " "linked list (what *tp_weaklist* points to) must **not** be visited as the " "instance does not directly own the weak references to itself." msgstr "" msgid "The traversal function has a limitation:" msgstr "" msgid "" "The traversal function must not have any side effects. Implementations may " "not modify the reference counts of any Python objects nor create or destroy " "any Python objects, directly or indirectly." msgstr "" msgid "" "This means that *most* Python C API functions may not be used, since they " "can raise a new exception, return a new reference to a result object, have " "internal logic that uses side effects. Also, unless documented otherwise, " "functions that happen to not have side effects may start having them in " "future versions, without warning." msgstr "" msgid "" "For a list of safe functions, see a :ref:`separate section <duringgc-" "functions>` below." msgstr "" msgid "" "If an error occurs during traversal, ignore it and return 0. If " "``tp_traverse`` fails to visit some strong references, garbage reference " "cycles involving the skipped references will not be reliably broken, but " "correctness won't be affected. For example, if traversal requires a lock " "that cannot be acquired promptly, skip the traversal. The garbage collector " "will visit your object again in a future pass." msgstr "" msgid "" "The :c:func:`Py_VISIT` call may be skipped for those members that provably " "cannot participate in reference cycles. In the ``local_traverse`` example " "above, there is also a ``self->key`` member, but it can only be ``NULL`` or " "a Python string and therefore cannot be part of a reference cycle." msgstr "" msgid "" "On the other hand, even if you know a member can never be part of a cycle, " "as a debugging aid you may want to visit it anyway just so the :mod:`gc` " "module's :func:`~gc.get_referents` function will include it." msgstr "" msgid "" "The :c:member:`~PyTypeObject.tp_traverse` function can be called from any " "thread." msgstr "" msgid "" "Garbage collection is a \"stop-the-world\" operation: even in :term:`free " "threading` builds, only one thread state is :term:`attached <attached thread " "state>` when :c:member:`!tp_traverse` handlers run." msgstr "" msgid "" "Heap-allocated types are expected to visit ``Py_TYPE(self)`` in " "``tp_traverse``. In earlier versions of Python, due to `bug 40217 <https://" "bugs.python.org/issue40217>`_, doing this may lead to crashes in subclasses." msgstr "" msgid "" "To simplify writing :c:member:`~PyTypeObject.tp_traverse` handlers, " "a :c:func:`Py_VISIT` macro is provided. In order to use this macro, " "the :c:member:`~PyTypeObject.tp_traverse` implementation must name its " "arguments exactly *visit* and *arg*:" msgstr "" msgid "" "If the :c:expr:`PyObject *` *o* is not ``NULL``, call the *visit* callback, " "with arguments *o* and *arg*. If *visit* returns a non-zero value, then " "return it." msgstr "" msgid "This corresponds roughly to::" msgstr "" msgid "" "#define Py_VISIT(o) \\\n" " if (o) { \\\n" " int visit_result = visit(o, arg); \\\n" " if (visit_result != 0) { \\\n" " return visit_result; \\\n" " } \\\n" " }" msgstr "" msgid "Traversal-safe functions" msgstr "" msgid "" "The following functions and macros are safe to use in " "a :c:member:`~PyTypeObject.tp_traverse` handler:" msgstr "" msgid "the *visit* function passed to ``tp_traverse``" msgstr "" msgid ":c:func:`Py_VISIT`" msgstr "" msgid ":c:func:`Py_SIZE`" msgstr "" msgid "" ":c:func:`Py_TYPE`: if called from a :c:member:`!tp_traverse` " "handler, :c:func:`!Py_TYPE`'s result will be valid for the duration of the " "handler call" msgstr "" msgid ":c:func:`PyObject_VisitManagedDict`" msgstr "" msgid ":c:func:`PyObject_TypeCheck`, :c:func:`PyType_IsSubtype`, :c:func:`PyType_HasFeature`" msgstr "" msgid "" ":samp:`Py{<type>}_Check` and :samp:`Py{<type>}_CheckExact` -- for " "example, :c:func:`PyTuple_Check`" msgstr "" msgid ":ref:`duringgc-functions`" msgstr "" msgid "\"DuringGC\" functions" msgstr "" msgid "" "The following functions should *only* be used in " "a :c:member:`~PyTypeObject.tp_traverse` handler; calling them in other " "contexts may have unintended consequences." msgstr "" msgid "" "These functions act like their counterparts without the ``_DuringGC`` " "suffix, but they are guaranteed to not have side effects, they do not set an " "exception on failure, and they return/set :term:`borrowed references " "<borrowed reference>` as detailed in the individual documentation." msgstr "" msgid "" "Note that these functions may fail (return ``NULL`` or ``-1``), but as they " "do not set an exception, no error information is available. In some cases, " "failure is not distinguishable from a successful ``NULL`` result." msgstr "" msgid "See :ref:`duringgc-functions` for common information." msgstr "" msgid ":c:func:`PyObject_GetTypeData`, :c:func:`PyObject_GetItemData`, :c:func:`PyType_GetModuleState`, :c:func:`PyModule_GetState`, :c:func:`PyModule_GetToken`, :c:func:`PyType_GetBaseByToken`" msgstr "" msgid "" "Sets *\\*result* to a :term:`borrowed reference` rather than a strong one. " "The reference is valid for the duration of the :c:member:`!tp_traverse` " "handler call." msgstr "" msgid ":c:func:`PyType_GetBaseByToken`" msgstr "" msgid "" "These functions return a :term:`borrowed reference`, which is valid for the " "duration of the :c:member:`!tp_traverse` handler call." msgstr "" msgid ":c:func:`PyType_GetModule`, :c:func:`PyType_GetModuleByToken`" msgstr "" msgid "Controlling the Garbage Collector State" msgstr "" msgid "" "The C-API provides the following functions for controlling garbage " "collection runs." msgstr "" msgid "" "Perform a full garbage collection, if the garbage collector is enabled. " "(Note that :func:`gc.collect` runs it unconditionally.)" msgstr "" msgid "" "Returns the number of collected + unreachable objects which cannot be " "collected. If the garbage collector is disabled or already collecting, " "returns ``0`` immediately. Errors during garbage collection are passed " "to :data:`sys.unraisablehook`. This function does not raise exceptions." msgstr "" msgid "" "Enable the garbage collector: similar to :func:`gc.enable`. Returns the " "previous state, 0 for disabled and 1 for enabled." msgstr "" msgid "" "Disable the garbage collector: similar to :func:`gc.disable`. Returns the " "previous state, 0 for disabled and 1 for enabled." msgstr "" msgid "" "Query the state of the garbage collector: similar to :func:`gc.isenabled`. " "Returns the current state, 0 for disabled and 1 for enabled." msgstr "" msgid "Querying Garbage Collector State" msgstr "" msgid "" "The C-API provides the following interface for querying information about " "the garbage collector." msgstr "" msgid "" "Run supplied *callback* on all live GC-capable objects. *arg* is passed " "through to all invocations of *callback*." msgstr "" msgid "" "If new objects are (de)allocated by the callback it is undefined if they " "will be visited." msgstr "" msgid "" "Garbage collection is disabled during operation. Explicitly running a " "collection in the callback may lead to undefined behaviour e.g. visiting the " "same objects multiple times or not at all." msgstr "" msgid "" "Type of the visitor function to be passed " "to :c:func:`PyUnstable_GC_VisitObjects`. *arg* is the same as the *arg* " "passed to ``PyUnstable_GC_VisitObjects``. Return ``1`` to continue " "iteration, return ``0`` to stop iteration. Other return values are reserved " "for now so behavior on returning anything else is undefined." msgstr "" |
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