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# Copyright (C) 2001-2020, Python Software Foundation
# This file is distributed under the same license as the Python package.
# Maintained by the python-doc-es workteam.
# docs-es@python.org /
# https://mail.python.org/mailman3/lists/docs-es.python.org/
# Check https://github.com/python/python-docs-es/blob/3.8/TRANSLATORS to get
# the list of volunteers
#
msgid ""
msgstr ""
"Project-Id-Version: Python 3.8\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2026-02-26 18:44-0300\n"
"PO-Revision-Date: 2020-06-24 22:27+0200\n"
"Last-Translator: Cristián Maureira-Fredes <cmaureirafredes@gmail.com>\n"
"Language: es\n"
"Language-Team: python-doc-es\n"
"Plural-Forms: nplurals=2; plural=(n != 1);\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=utf-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Generated-By: Babel 2.18.0\n"
#: ../Doc/library/contextlib.rst:2
msgid ""
":mod:`!contextlib` --- Utilities for :keyword:`!with`\\ -statement contexts"
msgstr ""
":mod:`!contextlib` --- Utilidades para declaraciones de contexto :keyword:`!"
"with`"
#: ../Doc/library/contextlib.rst:7
msgid "**Source code:** :source:`Lib/contextlib.py`"
msgstr "**Código fuente:** :source:`Lib/contextlib.py`"
#: ../Doc/library/contextlib.rst:11
msgid ""
"This module provides utilities for common tasks involving the :keyword:"
"`with` statement. For more information see also :ref:`typecontextmanager` "
"and :ref:`context-managers`."
msgstr ""
"Este módulo proporciona utilidades para tareas comunes que involucran la "
"declaración :keyword:`with`. Para obtener más información, consulte también :"
"ref:`typecontextmanager` y :ref:`context-managers`."
#: ../Doc/library/contextlib.rst:17
msgid "Utilities"
msgstr "Utilidades"
#: ../Doc/library/contextlib.rst:19
msgid "Functions and classes provided:"
msgstr "Funciones y clases proporcionadas:"
#: ../Doc/library/contextlib.rst:23
msgid ""
"An :term:`abstract base class` for classes that implement :meth:`object."
"__enter__` and :meth:`object.__exit__`. A default implementation for :meth:"
"`object.__enter__` is provided which returns ``self`` while :meth:`object."
"__exit__` is an abstract method which by default returns ``None``. See also "
"the definition of :ref:`typecontextmanager`."
msgstr ""
"Una :term:`clase base abstracta <abstract base class>` para clases que "
"implementan :meth:`object.__enter__` y :meth:`object.__exit__`. Se "
"proporciona una implementación predeterminada para :meth:`object.__enter__` "
"que retorna ``self`` mientras que :meth:`object.__exit__` es un método "
"abstracto que por defecto retorna ``None``. Véase también la definición de :"
"ref:`typecontextmanager`."
#: ../Doc/library/contextlib.rst:34
msgid ""
"An :term:`abstract base class` for classes that implement :meth:`object."
"__aenter__` and :meth:`object.__aexit__`. A default implementation for :meth:"
"`object.__aenter__` is provided which returns ``self`` while :meth:`object."
"__aexit__` is an abstract method which by default returns ``None``. See also "
"the definition of :ref:`async-context-managers`."
msgstr ""
"Una :term:`clase base abstracta <abstract base class>` para clases que "
"implementan :meth:`object.__aenter__` y :meth:`object.__aexit__`. Se "
"proporciona una implementación predeterminada para :meth:`object.__aenter__` "
"que retorna ``self`` mientras que :meth:`object.__aexit__` es un método "
"abstracto que por defecto retorna ``None``. Véase también la definición de :"
"ref:`async-context-managers`."
#: ../Doc/library/contextlib.rst:46
#, fuzzy
msgid ""
"This function is a :term:`decorator` that can be used to define a factory "
"function for :keyword:`with` statement context managers, without needing to "
"create a class or separate :meth:`~object.__enter__` and :meth:`~object."
"__exit__` methods."
msgstr ""
"Esta función es :term:`decorador` que se puede usar para definir una función "
"de fábrica para gestores de contexto de declaración :keyword:`with`, sin "
"necesidad de crear una clase o separar :meth:`__enter__` y :meth:`__exit__` "
"métodos."
#: ../Doc/library/contextlib.rst:50
#, fuzzy
msgid ""
"While many objects natively support use in with statements, sometimes a "
"resource needs to be managed that isn't a context manager in its own right, "
"and doesn't implement a ``close()`` method for use with ``contextlib."
"closing``."
msgstr ""
"Si bien muchos objetos admiten de forma nativa el uso con declaraciones, a "
"veces es necesario administrar un recurso que no sea un administrador de "
"contexto por sí mismo y no implemente un método ``close()`` para usar con "
"``contextlib.close``"
#: ../Doc/library/contextlib.rst:54
msgid ""
"An abstract example would be the following to ensure correct resource "
"management::"
msgstr ""
"Un ejemplo abstracto sería el siguiente para garantizar la gestión correcta "
"de los recursos::"
#: ../Doc/library/contextlib.rst:57
msgid ""
"from contextlib import contextmanager\n"
"\n"
"@contextmanager\n"
"def managed_resource(*args, **kwds):\n"
" # Code to acquire resource, e.g.:\n"
" resource = acquire_resource(*args, **kwds)\n"
" try:\n"
" yield resource\n"
" finally:\n"
" # Code to release resource, e.g.:\n"
" release_resource(resource)"
msgstr ""
#: ../Doc/library/contextlib.rst:69
msgid "The function can then be used like this::"
msgstr "La función se puede usar así:"
#: ../Doc/library/contextlib.rst:71
msgid ""
">>> with managed_resource(timeout=3600) as resource:\n"
"... # Resource is released at the end of this block,\n"
"... # even if code in the block raises an exception"
msgstr ""
#: ../Doc/library/contextlib.rst:75
msgid ""
"The function being decorated must return a :term:`generator`-iterator when "
"called. This iterator must yield exactly one value, which will be bound to "
"the targets in the :keyword:`with` statement's :keyword:`!as` clause, if any."
msgstr ""
"La función que se está decorando debe retornar un iterador :term:`generador` "
"cuando se llama. Este iterador debe producir exactamente un valor, que "
"estará vinculado a los objetivos en la :keyword:`with` declaración de la "
"cláusula :keyword:`!as`, si existe."
#: ../Doc/library/contextlib.rst:79
msgid ""
"At the point where the generator yields, the block nested in the :keyword:"
"`with` statement is executed. The generator is then resumed after the block "
"is exited. If an unhandled exception occurs in the block, it is reraised "
"inside the generator at the point where the yield occurred. Thus, you can "
"use a :keyword:`try`...\\ :keyword:`except`...\\ :keyword:`finally` "
"statement to trap the error (if any), or ensure that some cleanup takes "
"place. If an exception is trapped merely in order to log it or to perform "
"some action (rather than to suppress it entirely), the generator must "
"reraise that exception. Otherwise the generator context manager will "
"indicate to the :keyword:`!with` statement that the exception has been "
"handled, and execution will resume with the statement immediately following "
"the :keyword:`!with` statement."
msgstr ""
"En el punto donde el generador cede, se ejecuta el bloque anidado en la "
"palabra clave :keyword:`with`. El generador se reanuda luego de salir del "
"bloque. Si se produce una excepción no controlada en el bloque, se vuelve a "
"plantear dentro del generador en el punto donde se produjo el rendimiento. "
"Por lo tanto, puede usar una declaración :keyword:`try`...\\ :keyword:"
"`except`...\\ :keyword:`finally` para atrapar el error (si lo hay), o "
"asegurarse de que se realice una limpieza. Si una excepción queda atrapada "
"simplemente para registrarla o realizar alguna acción (en lugar de "
"suprimirla por completo), el generador debe volver a generar esa excepción. "
"De lo contrario, el administrador de contexto del generador indicará a la "
"palabra clave :keyword:`!with` que se ha manejado la excepción, y la "
"ejecución se reanudará con la declaración inmediatamente siguiente a la "
"palabra clave :keyword:`!with`."
#: ../Doc/library/contextlib.rst:91
msgid ""
":func:`contextmanager` uses :class:`ContextDecorator` so the context "
"managers it creates can be used as decorators as well as in :keyword:`with` "
"statements. When used as a decorator, a new generator instance is implicitly "
"created on each function call (this allows the otherwise \"one-shot\" "
"context managers created by :func:`contextmanager` to meet the requirement "
"that context managers support multiple invocations in order to be used as "
"decorators)."
msgstr ""
":func:`contextmanager` usa :class:`ContextDecorator` para que los gestores "
"de contexto que crea se puedan usar como decoradores, así como en "
"declaraciones :keyword:`with`. Cuando se usa como decorador, se crea "
"implícitamente una nueva instancia de generador en cada llamada de función "
"(esto permite que los gestores de contexto \"de-un-tiro\" creados por :func:"
"`contextmanager` cumplan el requisito de que los gestores de contexto "
"admitan múltiples invocaciones para ser utilizado como decoradores)."
#: ../Doc/library/contextlib.rst:98
msgid "Use of :class:`ContextDecorator`."
msgstr "Uso de :class:`ContextDecorator`."
#: ../Doc/library/contextlib.rst:104
msgid ""
"Similar to :func:`~contextlib.contextmanager`, but creates an :ref:"
"`asynchronous context manager <async-context-managers>`."
msgstr ""
"Similar a :func:`~contextlib.contextmanager`, pero crea un :ref:"
"`administrador de contexto asíncrono <async-context-managers>`."
#: ../Doc/library/contextlib.rst:107
#, fuzzy
msgid ""
"This function is a :term:`decorator` that can be used to define a factory "
"function for :keyword:`async with` statement asynchronous context managers, "
"without needing to create a class or separate :meth:`~object.__aenter__` "
"and :meth:`~object.__aexit__` methods. It must be applied to an :term:"
"`asynchronous generator` function."
msgstr ""
"Esta función es :term:`decorador` que se puede utilizar para definir una "
"función de fábrica para gestores de contexto asíncrono de declaración :"
"keyword:`async with`, sin necesidad de crear una clase o separar :meth:"
"`__aenter__` y métodos :meth:`__aexit__`. Debe aplicarse a una función :term:"
"`asynchronous generator`."
#: ../Doc/library/contextlib.rst:113
msgid "A simple example::"
msgstr "Un ejemplo simple::"
#: ../Doc/library/contextlib.rst:115
msgid ""
"from contextlib import asynccontextmanager\n"
"\n"
"@asynccontextmanager\n"
"async def get_connection():\n"
" conn = await acquire_db_connection()\n"
" try:\n"
" yield conn\n"
" finally:\n"
" await release_db_connection(conn)\n"
"\n"
"async def get_all_users():\n"
" async with get_connection() as conn:\n"
" return conn.query('SELECT ...')"
msgstr ""
#: ../Doc/library/contextlib.rst:131
msgid ""
"Context managers defined with :func:`asynccontextmanager` can be used either "
"as decorators or with :keyword:`async with` statements::"
msgstr ""
"Los administradores de contexto definidos con :func:`asynccontextmanager` se "
"pueden utilizar como decoradores o con declaraciones :keyword:`async with`:"
#: ../Doc/library/contextlib.rst:134
#, python-brace-format
msgid ""
"import time\n"
"from contextlib import asynccontextmanager\n"
"\n"
"@asynccontextmanager\n"
"async def timeit():\n"
" now = time.monotonic()\n"
" try:\n"
" yield\n"
" finally:\n"
" print(f'it took {time.monotonic() - now}s to run')\n"
"\n"
"@timeit()\n"
"async def main():\n"
" # ... async code ..."
msgstr ""
#: ../Doc/library/contextlib.rst:149
msgid ""
"When used as a decorator, a new generator instance is implicitly created on "
"each function call. This allows the otherwise \"one-shot\" context managers "
"created by :func:`asynccontextmanager` to meet the requirement that context "
"managers support multiple invocations in order to be used as decorators."
msgstr ""
"Cuando se utiliza como decorador, se crea implícitamente una nueva instancia "
"de generador en cada llamada de función. Esto permite que los "
"administradores de contexto de otro modo \"únicos\" creados por :func:"
"`asynccontextmanager` cumplan con el requisito de que los administradores de "
"contexto admitan múltiples invocaciones para ser utilizados como decoradores."
#: ../Doc/library/contextlib.rst:154
msgid ""
"Async context managers created with :func:`asynccontextmanager` can be used "
"as decorators."
msgstr ""
"Los administradores de contexto asíncronos creados con :func:"
"`asynccontextmanager` se pueden utilizar como decoradores."
#: ../Doc/library/contextlib.rst:161
msgid ""
"Return a context manager that closes *thing* upon completion of the block. "
"This is basically equivalent to::"
msgstr ""
"retorna un gestor de contexto que cierra *thing* al completar el bloque. "
"Esto es básicamente equivalente a::"
#: ../Doc/library/contextlib.rst:164
msgid ""
"from contextlib import contextmanager\n"
"\n"
"@contextmanager\n"
"def closing(thing):\n"
" try:\n"
" yield thing\n"
" finally:\n"
" thing.close()"
msgstr ""
#: ../Doc/library/contextlib.rst:173
msgid "And lets you write code like this::"
msgstr "Y te permite escribir código como este::"
#: ../Doc/library/contextlib.rst:175
msgid ""
"from contextlib import closing\n"
"from urllib.request import urlopen\n"
"\n"
"with closing(urlopen('https://www.python.org')) as page:\n"
" for line in page:\n"
" print(line)"
msgstr ""
#: ../Doc/library/contextlib.rst:182
msgid ""
"without needing to explicitly close ``page``. Even if an error occurs, "
"``page.close()`` will be called when the :keyword:`with` block is exited."
msgstr ""
"sin necesidad de cerrar explícitamente la ``page``. Incluso si se produce un "
"error, se llamará a ``page.close()`` cuando salga el bloque :keyword:`with`."
#: ../Doc/library/contextlib.rst:187
msgid ""
"Most types managing resources support the :term:`context manager` protocol, "
"which closes *thing* on leaving the :keyword:`with` statement. As such, :"
"func:`!closing` is most useful for third party types that don't support "
"context managers. This example is purely for illustration purposes, as :func:"
"`~urllib.request.urlopen` would normally be used in a context manager."
msgstr ""
#: ../Doc/library/contextlib.rst:196
msgid ""
"Return an async context manager that calls the ``aclose()`` method of "
"*thing* upon completion of the block. This is basically equivalent to::"
msgstr ""
"Retorna un administrador de contexto asíncrono que llama al método "
"``aclose()`` de *thing* una vez completado el bloque. Esto es básicamente "
"equivalente a:"
#: ../Doc/library/contextlib.rst:199
msgid ""
"from contextlib import asynccontextmanager\n"
"\n"
"@asynccontextmanager\n"
"async def aclosing(thing):\n"
" try:\n"
" yield thing\n"
" finally:\n"
" await thing.aclose()"
msgstr ""
#: ../Doc/library/contextlib.rst:208
msgid ""
"Significantly, ``aclosing()`` supports deterministic cleanup of async "
"generators when they happen to exit early by :keyword:`break` or an "
"exception. For example::"
msgstr ""
"Significativamente, ``aclosing()`` admite la limpieza determinista de "
"generadores asincrónicos cuando salen temprano por :keyword:`break` o una "
"excepción. Por ejemplo::"
#: ../Doc/library/contextlib.rst:212
msgid ""
"from contextlib import aclosing\n"
"\n"
"async with aclosing(my_generator()) as values:\n"
" async for value in values:\n"
" if value == 42:\n"
" break"
msgstr ""
#: ../Doc/library/contextlib.rst:219
msgid ""
"This pattern ensures that the generator's async exit code is executed in the "
"same context as its iterations (so that exceptions and context variables "
"work as expected, and the exit code isn't run after the lifetime of some "
"task it depends on)."
msgstr ""
"Este patrón garantiza que el código de salida asíncrono del generador se "
"ejecute en el mismo contexto que sus iteraciones (de modo que las "
"excepciones y las variables de contexto funcionen como se esperaba, y el "
"código de salida no se ejecute después de la vida útil de alguna tarea de la "
"que depende)."
#: ../Doc/library/contextlib.rst:231
msgid ""
"Return a context manager that returns *enter_result* from ``__enter__``, but "
"otherwise does nothing. It is intended to be used as a stand-in for an "
"optional context manager, for example::"
msgstr ""
"retorna un gestor de contexto que retorna *enter_result* de ``__enter__``, "
"pero de lo contrario no hace nada. Está destinado a ser utilizado como un "
"sustituto para un administrador de contexto opcional, por ejemplo:"
#: ../Doc/library/contextlib.rst:235
msgid ""
"def myfunction(arg, ignore_exceptions=False):\n"
" if ignore_exceptions:\n"
" # Use suppress to ignore all exceptions.\n"
" cm = contextlib.suppress(Exception)\n"
" else:\n"
" # Do not ignore any exceptions, cm has no effect.\n"
" cm = contextlib.nullcontext()\n"
" with cm:\n"
" # Do something"
msgstr ""
#: ../Doc/library/contextlib.rst:245
msgid "An example using *enter_result*::"
msgstr "Un ejemplo usando *enter_result*::"
#: ../Doc/library/contextlib.rst:247
msgid ""
"def process_file(file_or_path):\n"
" if isinstance(file_or_path, str):\n"
" # If string, open file\n"
" cm = open(file_or_path)\n"
" else:\n"
" # Caller is responsible for closing file\n"
" cm = nullcontext(file_or_path)\n"
"\n"
" with cm as file:\n"
" # Perform processing on the file"
msgstr ""
#: ../Doc/library/contextlib.rst:258
msgid ""
"It can also be used as a stand-in for :ref:`asynchronous context managers "
"<async-context-managers>`::"
msgstr ""
"También se puede utilizar como sustituto de :ref:`asynchronous context "
"managers <async-context-managers>`:"
#: ../Doc/library/contextlib.rst:261
msgid ""
"async def send_http(session=None):\n"
" if not session:\n"
" # If no http session, create it with aiohttp\n"
" cm = aiohttp.ClientSession()\n"
" else:\n"
" # Caller is responsible for closing the session\n"
" cm = nullcontext(session)\n"
"\n"
" async with cm as session:\n"
" # Send http requests with session"
msgstr ""
#: ../Doc/library/contextlib.rst:274
msgid ":term:`asynchronous context manager` support was added."
msgstr "Se agregó compatibilidad con :term:`asynchronous context manager`."
#: ../Doc/library/contextlib.rst:281
msgid ""
"Return a context manager that suppresses any of the specified exceptions if "
"they occur in the body of a :keyword:`!with` statement and then resumes "
"execution with the first statement following the end of the :keyword:`!with` "
"statement."
msgstr ""
"Retorna un administrador de contexto que suprime cualquiera de las "
"excepciones especificadas si ocurren en el cuerpo de una instrucción :"
"keyword:`!with` y luego reanuda la ejecución con la primera instrucción que "
"sigue al final de la instrucción :keyword:`!with`."
#: ../Doc/library/contextlib.rst:286
msgid ""
"As with any other mechanism that completely suppresses exceptions, this "
"context manager should be used only to cover very specific errors where "
"silently continuing with program execution is known to be the right thing to "
"do."
msgstr ""
"Al igual que con cualquier otro mecanismo que suprima completamente las "
"excepciones, este administrador de contexto debe usarse solo para cubrir "
"errores muy específicos en los que se sabe que continuar silenciosamente con "
"la ejecución del programa es lo correcto."
#: ../Doc/library/contextlib.rst:291
msgid "For example::"
msgstr "Por ejemplo::"
#: ../Doc/library/contextlib.rst:293
msgid ""
"from contextlib import suppress\n"
"\n"
"with suppress(FileNotFoundError):\n"
" os.remove('somefile.tmp')\n"
"\n"
"with suppress(FileNotFoundError):\n"
" os.remove('someotherfile.tmp')"
msgstr ""
#: ../Doc/library/contextlib.rst:301
msgid "This code is equivalent to::"
msgstr "Este código es equivalente a::"
#: ../Doc/library/contextlib.rst:303
msgid ""
"try:\n"
" os.remove('somefile.tmp')\n"
"except FileNotFoundError:\n"
" pass\n"
"\n"
"try:\n"
" os.remove('someotherfile.tmp')\n"
"except FileNotFoundError:\n"
" pass"
msgstr ""
#: ../Doc/library/contextlib.rst:313 ../Doc/library/contextlib.rst:362
#: ../Doc/library/contextlib.rst:372 ../Doc/library/contextlib.rst:389
msgid "This context manager is :ref:`reentrant <reentrant-cms>`."
msgstr "Este gestor de contexto es :ref:`reentrant <reentrant-cms>`."
#: ../Doc/library/contextlib.rst:315
#, fuzzy
msgid ""
"If the code within the :keyword:`!with` block raises a :exc:"
"`BaseExceptionGroup`, suppressed exceptions are removed from the group. Any "
"exceptions of the group which are not suppressed are re-raised in a new "
"group which is created using the original group's :meth:`~BaseExceptionGroup."
"derive` method."
msgstr ""
"Si el código dentro del bloque de :keyword:`!with` lanza una :exc:"
"`ExceptionGroup`, las excepciones suprimidas son retiradas del grupo. Si "
"algunas excepciones en el grupo no están suprimidas, un grupo que las "
"contiene se lanza."
#: ../Doc/library/contextlib.rst:323
#, fuzzy
msgid ""
"``suppress`` now supports suppressing exceptions raised as part of a :exc:"
"`BaseExceptionGroup`."
msgstr ""
"Ahora ``supress`` admite suprimir excepciones lanzadas como parte de un :exc:"
"`ExceptionGroup`."
#: ../Doc/library/contextlib.rst:329
msgid ""
"Context manager for temporarily redirecting :data:`sys.stdout` to another "
"file or file-like object."
msgstr ""
"Administrador de contexto para redirigir temporalmente :data:`sys.stdout` a "
"otro archivo u objeto similar a un archivo."
#: ../Doc/library/contextlib.rst:332
msgid ""
"This tool adds flexibility to existing functions or classes whose output is "
"hardwired to stdout."
msgstr ""
"Esta herramienta agrega flexibilidad a las funciones o clases existentes "
"cuya salida está programada para stdout."
#: ../Doc/library/contextlib.rst:335
msgid ""
"For example, the output of :func:`help` normally is sent to *sys.stdout*. "
"You can capture that output in a string by redirecting the output to an :"
"class:`io.StringIO` object. The replacement stream is returned from the "
"``__enter__`` method and so is available as the target of the :keyword:"
"`with` statement::"
msgstr ""
"Por ejemplo, la salida de :func:`help` normalmente se envía a *sys.stdout*. "
"Puede capturar esa salida en una cadena redirigiendo la salida a un objeto :"
"class:`io.StringIO`. La secuencia de reemplazo se retorna desde el método "
"``__enter__`` y, por lo tanto, está disponible como destino de la "
"declaración :keyword:`with`:"
#: ../Doc/library/contextlib.rst:341
msgid ""
"with redirect_stdout(io.StringIO()) as f:\n"
" help(pow)\n"
"s = f.getvalue()"
msgstr ""
#: ../Doc/library/contextlib.rst:345
msgid ""
"To send the output of :func:`help` to a file on disk, redirect the output to "
"a regular file::"
msgstr ""
"Para enviar la salida de :func:`help` a un archivo en el disco, redirija la "
"salida a un archivo normal::"
#: ../Doc/library/contextlib.rst:348
msgid ""
"with open('help.txt', 'w') as f:\n"
" with redirect_stdout(f):\n"
" help(pow)"
msgstr ""
#: ../Doc/library/contextlib.rst:352
msgid "To send the output of :func:`help` to *sys.stderr*::"
msgstr "Para enviar la salida de :func:`help` a *sys.stderr*::"
#: ../Doc/library/contextlib.rst:354
msgid ""
"with redirect_stdout(sys.stderr):\n"
" help(pow)"
msgstr ""
#: ../Doc/library/contextlib.rst:357
msgid ""
"Note that the global side effect on :data:`sys.stdout` means that this "
"context manager is not suitable for use in library code and most threaded "
"applications. It also has no effect on the output of subprocesses. However, "
"it is still a useful approach for many utility scripts."
msgstr ""
"Tenga en cuenta que el efecto secundario global en :data:`sys.stdout` "
"significa que este administrador de contexto no es adecuado para su uso en "
"el código de la biblioteca y en la mayoría de las aplicaciones con "
"subprocesos. Tampoco tiene efecto en la salida de subprocesos. Sin embargo, "
"sigue siendo un enfoque útil para muchos scripts de utilidad."
#: ../Doc/library/contextlib.rst:369
msgid ""
"Similar to :func:`~contextlib.redirect_stdout` but redirecting :data:`sys."
"stderr` to another file or file-like object."
msgstr ""
"Similar a :func:`~contextlib.redirect_stdout` pero redirigiendo :data:`sys."
"stderr` a otro archivo u objeto similar a un archivo."
#: ../Doc/library/contextlib.rst:379
msgid ""
"Non parallel-safe context manager to change the current working directory. "
"As this changes a global state, the working directory, it is not suitable "
"for use in most threaded or async contexts. It is also not suitable for most "
"non-linear code execution, like generators, where the program execution is "
"temporarily relinquished -- unless explicitly desired, you should not yield "
"when this context manager is active."
msgstr ""
"Administrador de contexto no seguro en paralelo para cambiar el directorio "
"de trabajo actual. Como esto cambia un estado global, el directorio de "
"trabajo, no es adecuado para su uso en la mayoría de los contextos "
"asincrónicos o de subprocesos. Tampoco es adecuado para la mayoría de las "
"ejecuciones de código no lineal, como los generadores, donde la ejecución "
"del programa se abandona temporalmente; a menos que se desee explícitamente, "
"no debe ceder el paso cuando este administrador de contexto está activo."
#: ../Doc/library/contextlib.rst:386
msgid ""
"This is a simple wrapper around :func:`~os.chdir`, it changes the current "
"working directory upon entering and restores the old one on exit."
msgstr ""
"Este es un contenedor simple alrededor de :func:`~os.chdir`, cambia el "
"directorio de trabajo actual al ingresar y restaura el anterior al salir."
#: ../Doc/library/contextlib.rst:396
msgid ""
"A base class that enables a context manager to also be used as a decorator."
msgstr ""
"Una clase base que permite que un administrador de contexto también se use "
"como decorador."
#: ../Doc/library/contextlib.rst:398
msgid ""
"Context managers inheriting from ``ContextDecorator`` have to implement "
"``__enter__`` and ``__exit__`` as normal. ``__exit__`` retains its optional "
"exception handling even when used as a decorator."
msgstr ""
"Los gestores de contexto que heredan de ``ContextDecorator`` tienen que "
"implementar ``__enter__`` y ``__exit__`` de manera normal. ``__exit__`` "
"conserva su manejo opcional de excepciones incluso cuando se usa como "
"decorador."
#: ../Doc/library/contextlib.rst:402
msgid ""
"``ContextDecorator`` is used by :func:`contextmanager`, so you get this "
"functionality automatically."
msgstr ""
"``ContextDecorator`` es utilizado por :func:`contextmanager`, por lo que "
"obtiene esta funcionalidad automáticamente."
#: ../Doc/library/contextlib.rst:405
msgid "Example of ``ContextDecorator``::"
msgstr "Ejemplo de ``ContextDecorator``::"
#: ../Doc/library/contextlib.rst:407
msgid ""
"from contextlib import ContextDecorator\n"
"\n"
"class mycontext(ContextDecorator):\n"
" def __enter__(self):\n"
" print('Starting')\n"
" return self\n"
"\n"
" def __exit__(self, *exc):\n"
" print('Finishing')\n"
" return False"
msgstr ""
#: ../Doc/library/contextlib.rst:418 ../Doc/library/contextlib.rst:490
msgid "The class can then be used like this::"
msgstr "La clase se puede usar así:"
#: ../Doc/library/contextlib.rst:420
msgid ""
">>> @mycontext()\n"
"... def function():\n"
"... print('The bit in the middle')\n"
"...\n"
">>> function()\n"
"Starting\n"
"The bit in the middle\n"
"Finishing\n"
"\n"
">>> with mycontext():\n"
"... print('The bit in the middle')\n"
"...\n"
"Starting\n"
"The bit in the middle\n"
"Finishing"
msgstr ""
#: ../Doc/library/contextlib.rst:436
msgid ""
"This change is just syntactic sugar for any construct of the following form::"
msgstr ""
"Este cambio es solo azúcar sintáctico para cualquier construcción de la "
"siguiente forma:"
#: ../Doc/library/contextlib.rst:438
msgid ""
"def f():\n"
" with cm():\n"
" # Do stuff"
msgstr ""
#: ../Doc/library/contextlib.rst:442
msgid "``ContextDecorator`` lets you instead write::"
msgstr "``ContextDecorator`` le permite escribir en su lugar::"
#: ../Doc/library/contextlib.rst:444
msgid ""
"@cm()\n"
"def f():\n"
" # Do stuff"
msgstr ""
#: ../Doc/library/contextlib.rst:448
msgid ""
"It makes it clear that the ``cm`` applies to the whole function, rather than "
"just a piece of it (and saving an indentation level is nice, too)."
msgstr ""
"Deja en claro que el ``cm`` se aplica a toda la función, en lugar de solo "
"una parte de ella (y guardar un nivel de sangría también es bueno)."
#: ../Doc/library/contextlib.rst:451
msgid ""
"Existing context managers that already have a base class can be extended by "
"using ``ContextDecorator`` as a mixin class::"
msgstr ""
"Los gestores de contexto existentes que ya tienen una clase base pueden "
"ampliarse utilizando ``ContextDecorator`` como una clase mezcla (*mixin*)::"
#: ../Doc/library/contextlib.rst:454
msgid ""
"from contextlib import ContextDecorator\n"
"\n"
"class mycontext(ContextBaseClass, ContextDecorator):\n"
" def __enter__(self):\n"
" return self\n"
"\n"
" def __exit__(self, *exc):\n"
" return False"
msgstr ""
#: ../Doc/library/contextlib.rst:464
msgid ""
"As the decorated function must be able to be called multiple times, the "
"underlying context manager must support use in multiple :keyword:`with` "
"statements. If this is not the case, then the original construct with the "
"explicit :keyword:`!with` statement inside the function should be used."
msgstr ""
"Como la función decorada debe poder llamarse varias veces, el gestor de "
"contexto subyacente debe admitir el uso en múltiples declaraciones :keyword:"
"`with`. Si este no es el caso, se debe utilizar la construcción original con "
"la declaración explícita :keyword:`!with` dentro de la función."
#: ../Doc/library/contextlib.rst:474
msgid ""
"Similar to :class:`ContextDecorator` but only for asynchronous functions."
msgstr ""
"Similar a :class:`ContextDecorator` pero solo para funciones asincrónicas."
#: ../Doc/library/contextlib.rst:476
msgid "Example of ``AsyncContextDecorator``::"
msgstr "Ejemplo de ``AsyncContextDecorator``:"
#: ../Doc/library/contextlib.rst:478
msgid ""
"from asyncio import run\n"
"from contextlib import AsyncContextDecorator\n"
"\n"
"class mycontext(AsyncContextDecorator):\n"
" async def __aenter__(self):\n"
" print('Starting')\n"
" return self\n"
"\n"
" async def __aexit__(self, *exc):\n"
" print('Finishing')\n"
" return False"
msgstr ""
#: ../Doc/library/contextlib.rst:492
msgid ""
">>> @mycontext()\n"
"... async def function():\n"
"... print('The bit in the middle')\n"
"...\n"
">>> run(function())\n"
"Starting\n"
"The bit in the middle\n"
"Finishing\n"
"\n"
">>> async def function():\n"
"... async with mycontext():\n"
"... print('The bit in the middle')\n"
"...\n"
">>> run(function())\n"
"Starting\n"
"The bit in the middle\n"
"Finishing"
msgstr ""
#: ../Doc/library/contextlib.rst:515
msgid ""
"A context manager that is designed to make it easy to programmatically "
"combine other context managers and cleanup functions, especially those that "
"are optional or otherwise driven by input data."
msgstr ""
"Un gestor de contexto que está diseñado para facilitar la combinación "
"programática de otros gestores de contexto y funciones de limpieza, "
"especialmente aquellas que son opcionales o que de otro modo son impulsadas "
"por los datos de entrada."
#: ../Doc/library/contextlib.rst:519
msgid ""
"For example, a set of files may easily be handled in a single with statement "
"as follows::"
msgstr ""
"Por ejemplo, un conjunto de archivos puede manejarse fácilmente en una sola "
"declaración de la siguiente manera:"
#: ../Doc/library/contextlib.rst:522
msgid ""
"with ExitStack() as stack:\n"
" files = [stack.enter_context(open(fname)) for fname in filenames]\n"
" # All opened files will automatically be closed at the end of\n"
" # the with statement, even if attempts to open files later\n"
" # in the list raise an exception"
msgstr ""
#: ../Doc/library/contextlib.rst:528
#, fuzzy
msgid ""
"The :meth:`~object.__enter__` method returns the :class:`ExitStack` "
"instance, and performs no additional operations."
msgstr ""
"El método :meth:`__enter__` retorna la instancia :class:`ExitStack` y no "
"realiza operaciones adicionales."
#: ../Doc/library/contextlib.rst:531
msgid ""
"Each instance maintains a stack of registered callbacks that are called in "
"reverse order when the instance is closed (either explicitly or implicitly "
"at the end of a :keyword:`with` statement). Note that callbacks are *not* "
"invoked implicitly when the context stack instance is garbage collected."
msgstr ""
"Cada instancia mantiene una pila de retrollamadas registradas que se llaman "
"en orden inverso cuando la instancia se cierra (ya sea explícita o "
"implícitamente al final de una instrucción :keyword:`with`). Tenga en cuenta "
"que las retrollamadas *no* se invocan implícitamente cuando la instancia de "
"la pila de contexto se recolecta basura."
#: ../Doc/library/contextlib.rst:536
msgid ""
"This stack model is used so that context managers that acquire their "
"resources in their ``__init__`` method (such as file objects) can be handled "
"correctly."
msgstr ""
"Este modelo de pila se utiliza para que los administradores de contexto que "
"adquieren sus recursos en su método ``__init__`` (como los objetos de "
"archivo) se puedan manejar correctamente."
#: ../Doc/library/contextlib.rst:540
msgid ""
"Since registered callbacks are invoked in the reverse order of registration, "
"this ends up behaving as if multiple nested :keyword:`with` statements had "
"been used with the registered set of callbacks. This even extends to "
"exception handling - if an inner callback suppresses or replaces an "
"exception, then outer callbacks will be passed arguments based on that "
"updated state."
msgstr ""
"Dado que las retrollamadas registradas se invocan en el orden inverso del "
"registro, esto termina comportándose como si se hubieran utilizado múltiples "
"instrucciones anidadas :keyword:`with` con el conjunto registrado de "
"retrollamadas. Esto incluso se extiende al manejo de excepciones: si una "
"retrollamada interna suprime o reemplaza una excepción, las retrollamadas "
"externas se pasarán argumentos basados en ese estado actualizado."
#: ../Doc/library/contextlib.rst:547
msgid ""
"This is a relatively low level API that takes care of the details of "
"correctly unwinding the stack of exit callbacks. It provides a suitable "
"foundation for higher level context managers that manipulate the exit stack "
"in application specific ways."
msgstr ""
"Esta es una API de nivel relativamente bajo que se ocupa de los detalles de "
"desenrollar correctamente la pila de retrollamadas de salida. Proporciona "
"una base adecuada para administradores de contexto de nivel superior que "
"manipulan la pila de salida en formas específicas de la aplicación."
#: ../Doc/library/contextlib.rst:556
#, fuzzy
msgid ""
"Enters a new context manager and adds its :meth:`~object.__exit__` method to "
"the callback stack. The return value is the result of the context manager's "
"own :meth:`~object.__enter__` method."
msgstr ""
"Ingresa a un nuevo administrador de contexto y agrega su método :meth:"
"`__exit__` a la pila de retrollamada. El valor de retorno es el resultado "
"del método propio del administrador de contexto :meth:`__enter__`."
#: ../Doc/library/contextlib.rst:560
msgid ""
"These context managers may suppress exceptions just as they normally would "
"if used directly as part of a :keyword:`with` statement."
msgstr ""
"Estos administradores de contexto pueden suprimir excepciones tal como lo "
"harían normalmente si se usaran directamente como parte de una declaración :"
"keyword:`with`."
#: ../Doc/library/contextlib.rst:563
msgid ""
"Raises :exc:`TypeError` instead of :exc:`AttributeError` if *cm* is not a "
"context manager."
msgstr ""
"Lanza :exc:`TypeError` en lugar de :exc:`AttributeError` si *cm* no es un "
"administrador de contexto."
#: ../Doc/library/contextlib.rst:569
#, fuzzy
msgid ""
"Adds a context manager's :meth:`~object.__exit__` method to the callback "
"stack."
msgstr ""
"Agrega un método de gestor de contexto :meth:`__exit__` a la pila de "
"retrollamada."
#: ../Doc/library/contextlib.rst:571
#, fuzzy
msgid ""
"As ``__enter__`` is *not* invoked, this method can be used to cover part of "
"an :meth:`~object.__enter__` implementation with a context manager's own :"
"meth:`~object.__exit__` method."
msgstr ""
"Como ``__enter__`` *no* se invoca, este método se puede usar para cubrir "
"parte de una implementación :meth:`__enter__` con un método propio del "
"gestor de contexto :meth:`__exit__`."
#: ../Doc/library/contextlib.rst:575
#, fuzzy
msgid ""
"If passed an object that is not a context manager, this method assumes it is "
"a callback with the same signature as a context manager's :meth:`~object."
"__exit__` method and adds it directly to the callback stack."
msgstr ""
"Si se pasa un objeto que no es un administrador de contexto, este método "
"supone que es una retrollamada con la misma firma que el método :meth:"
"`__exit__` de un gestor de contexto y lo agrega directamente a la pila de "
"retrollamada."
#: ../Doc/library/contextlib.rst:579
#, fuzzy
msgid ""
"By returning true values, these callbacks can suppress exceptions the same "
"way context manager :meth:`~object.__exit__` methods can."
msgstr ""
"Al retornar valores verdaderos, estas retrollamadas pueden suprimir "
"excepciones de la misma manera que el gestor de contexto los métodos :meth:"
"`__exit__` pueden hacerlo."
#: ../Doc/library/contextlib.rst:582
msgid ""
"The passed in object is returned from the function, allowing this method to "
"be used as a function decorator."