python-docs-fr/library/asyncio-sync.po

# Copyright (C) 2001-2018, Python Software Foundation
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#
msgid ""
msgstr ""
"Project-Id-Version: Python 3\n"
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"PO-Revision-Date: 2018-10-15 00:46+0200\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: FRENCH <traductions@lists.afpy.org>\n"
"Language: fr\n"
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"Content-Transfer-Encoding: 8bit\n"

#: library/asyncio-sync.rst:7
#, fuzzy
msgid "Synchronization Primitives"
msgstr "Primitives de synchronisation"

#: library/asyncio-sync.rst:9
msgid "**Source code:** :source:`Lib/asyncio/locks.py`"
msgstr ""

#: library/asyncio-sync.rst:13
msgid ""
"asyncio synchronization primitives are designed to be similar to those of "
"the :mod:`threading` module with two important caveats:"
msgstr ""

#: library/asyncio-sync.rst:16
msgid ""
"asyncio primitives are not thread-safe, therefore they should not be used "
"for OS thread synchronization (use :mod:`threading` for that);"
msgstr ""

#: library/asyncio-sync.rst:20
msgid ""
"methods of these synchronization primitives do not accept the *timeout* "
"argument; use the :func:`asyncio.wait_for` function to perform operations "
"with timeouts."
msgstr ""

#: library/asyncio-sync.rst:24
msgid "asyncio has the following basic synchronization primitives:"
msgstr ""

#: library/asyncio-sync.rst:26
msgid ":class:`Lock`"
msgstr ":class:`Lock`"

#: library/asyncio-sync.rst:27
msgid ":class:`Event`"
msgstr ":class:`Event`"

#: library/asyncio-sync.rst:28
msgid ":class:`Condition`"
msgstr ":class:`Condition`"

#: library/asyncio-sync.rst:29
msgid ":class:`Semaphore`"
msgstr ":class:`Semaphore`"

#: library/asyncio-sync.rst:30
msgid ":class:`BoundedSemaphore`"
msgstr ":class:`BoundedSemaphore`"

#: library/asyncio-sync.rst:31
#, fuzzy
msgid ":class:`Barrier`"
msgstr ":class:`Semaphore`"

#: library/asyncio-sync.rst:38
msgid "Lock"
msgstr ""

#: library/asyncio-sync.rst:42
msgid "Implements a mutex lock for asyncio tasks.  Not thread-safe."
msgstr ""

#: library/asyncio-sync.rst:44
msgid ""
"An asyncio lock can be used to guarantee exclusive access to a shared "
"resource."
msgstr ""

#: library/asyncio-sync.rst:47
msgid "The preferred way to use a Lock is an :keyword:`async with` statement::"
msgstr ""

#: library/asyncio-sync.rst:199 library/asyncio-sync.rst:298
msgid "which is equivalent to::"
msgstr ""

#: library/asyncio-sync.rst:112 library/asyncio-sync.rst:286
#: library/asyncio-sync.rst:341
#, fuzzy
msgid "Removed the *loop* parameter."
msgstr "Le paramètre *loop*."

#: library/asyncio-sync.rst:72
msgid "Acquire the lock."
msgstr ""

#: library/asyncio-sync.rst:74
msgid ""
"This method waits until the lock is *unlocked*, sets it to *locked* and "
"returns ``True``."
msgstr ""

#: library/asyncio-sync.rst:77
msgid ""
"When more than one coroutine is blocked in :meth:`acquire` waiting for the "
"lock to be unlocked, only one coroutine eventually proceeds."
msgstr ""

#: library/asyncio-sync.rst:81
msgid ""
"Acquiring a lock is *fair*: the coroutine that proceeds will be the first "
"coroutine that started waiting on the lock."
msgstr ""

#: library/asyncio-sync.rst:86
msgid "Release the lock."
msgstr "Libère un verrou."

#: library/asyncio-sync.rst:88
msgid "When the lock is *locked*, reset it to *unlocked* and return."
msgstr ""

#: library/asyncio-sync.rst:90
msgid "If the lock is *unlocked*, a :exc:`RuntimeError` is raised."
msgstr ""

#: library/asyncio-sync.rst:94
msgid "Return ``True`` if the lock is *locked*."
msgstr "Donne ``True`` si le verrou est verrouillé."

#: library/asyncio-sync.rst:98
msgid "Event"
msgstr ""

#: library/asyncio-sync.rst:102
msgid "An event object.  Not thread-safe."
msgstr ""

#: library/asyncio-sync.rst:104
msgid ""
"An asyncio event can be used to notify multiple asyncio tasks that some "
"event has happened."
msgstr ""

#: library/asyncio-sync.rst:107
msgid ""
"An Event object manages an internal flag that can be set to *true* with the :"
"meth:`~Event.set` method and reset to *false* with the :meth:`clear` "
"method.  The :meth:`~Event.wait` method blocks until the flag is set to "
"*true*.  The flag is set to *false* initially."
msgstr ""

#: library/asyncio-sync.rst:365
msgid "Example::"
msgstr "Exemple ::"

#: library/asyncio-sync.rst:142
msgid "Wait until the event is set."
msgstr "Attend que l'évènement ait une valeur."

#: library/asyncio-sync.rst:144
msgid ""
"If the event is set, return ``True`` immediately. Otherwise block until "
"another task calls :meth:`~Event.set`."
msgstr ""

#: library/asyncio-sync.rst:149
msgid "Set the event."
msgstr ""

#: library/asyncio-sync.rst:151
msgid "All tasks waiting for event to be set will be immediately awakened."
msgstr ""

#: library/asyncio-sync.rst:156
msgid "Clear (unset) the event."
msgstr ""

#: library/asyncio-sync.rst:158
msgid ""
"Tasks awaiting on :meth:`~Event.wait` will now block until the :meth:`~Event."
"set` method is called again."
msgstr ""

#: library/asyncio-sync.rst:163
msgid "Return ``True`` if the event is set."
msgstr "Renvoie ``True`` si l'évènement a une valeur."

#: library/asyncio-sync.rst:167
msgid "Condition"
msgstr ""

#: library/asyncio-sync.rst:171
msgid "A Condition object.  Not thread-safe."
msgstr ""

#: library/asyncio-sync.rst:173
msgid ""
"An asyncio condition primitive can be used by a task to wait for some event "
"to happen and then get exclusive access to a shared resource."
msgstr ""

#: library/asyncio-sync.rst:177
msgid ""
"In essence, a Condition object combines the functionality of an :class:"
"`Event` and a :class:`Lock`.  It is possible to have multiple Condition "
"objects share one Lock, which allows coordinating exclusive access to a "
"shared resource between different tasks interested in particular states of "
"that shared resource."
msgstr ""

#: library/asyncio-sync.rst:183
msgid ""
"The optional *lock* argument must be a :class:`Lock` object or ``None``.  In "
"the latter case a new Lock object is created automatically."
msgstr ""

#: library/asyncio-sync.rst:190
msgid ""
"The preferred way to use a Condition is an :keyword:`async with` statement::"
msgstr ""

#: library/asyncio-sync.rst:212
msgid "Acquire the underlying lock."
msgstr ""

#: library/asyncio-sync.rst:214
msgid ""
"This method waits until the underlying lock is *unlocked*, sets it to "
"*locked* and returns ``True``."
msgstr ""

#: library/asyncio-sync.rst:219
msgid ""
"Wake up at most *n* tasks (1 by default) waiting on this condition.  The "
"method is no-op if no tasks are waiting."
msgstr ""

#: library/asyncio-sync.rst:237
msgid ""
"The lock must be acquired before this method is called and released shortly "
"after.  If called with an *unlocked* lock a :exc:`RuntimeError` error is "
"raised."
msgstr ""

#: library/asyncio-sync.rst:228
msgid "Return ``True`` if the underlying lock is acquired."
msgstr ""

#: library/asyncio-sync.rst:232
msgid "Wake up all tasks waiting on this condition."
msgstr ""

#: library/asyncio-sync.rst:234
msgid "This method acts like :meth:`notify`, but wakes up all waiting tasks."
msgstr ""

#: library/asyncio-sync.rst:243
msgid "Release the underlying lock."
msgstr "Libère le verrou sous-jacent."

#: library/asyncio-sync.rst:245
msgid "When invoked on an unlocked lock, a :exc:`RuntimeError` is raised."
msgstr ""

#: library/asyncio-sync.rst:250
msgid "Wait until notified."
msgstr "Attends d'être notifié."

#: library/asyncio-sync.rst:252
msgid ""
"If the calling task has not acquired the lock when this method is called, a :"
"exc:`RuntimeError` is raised."
msgstr ""

#: library/asyncio-sync.rst:255
msgid ""
"This method releases the underlying lock, and then blocks until it is "
"awakened by a :meth:`notify` or :meth:`notify_all` call. Once awakened, the "
"Condition re-acquires its lock and this method returns ``True``."
msgstr ""

#: library/asyncio-sync.rst:262
msgid "Wait until a predicate becomes *true*."
msgstr "Attends jusqu'à ce qu'un prédicat devienne vrai."

#: library/asyncio-sync.rst:264
msgid ""
"The predicate must be a callable which result will be interpreted as a "
"boolean value.  The final value is the return value."
msgstr ""

#: library/asyncio-sync.rst:270
msgid "Semaphore"
msgstr "Sémaphore"

#: library/asyncio-sync.rst:274
msgid "A Semaphore object.  Not thread-safe."
msgstr ""

#: library/asyncio-sync.rst:276
msgid ""
"A semaphore manages an internal counter which is decremented by each :meth:"
"`acquire` call and incremented by each :meth:`release` call. The counter can "
"never go below zero; when :meth:`acquire` finds that it is zero, it blocks, "
"waiting until some task calls :meth:`release`."
msgstr ""

#: library/asyncio-sync.rst:282
msgid ""
"The optional *value* argument gives the initial value for the internal "
"counter (``1`` by default). If the given value is less than ``0`` a :exc:"
"`ValueError` is raised."
msgstr ""

#: library/asyncio-sync.rst:289
msgid ""
"The preferred way to use a Semaphore is an :keyword:`async with` statement::"
msgstr ""

#: library/asyncio-sync.rst:311
msgid "Acquire a semaphore."
msgstr ""

#: library/asyncio-sync.rst:313
msgid ""
"If the internal counter is greater than zero, decrement it by one and return "
"``True`` immediately.  If it is zero, wait until a :meth:`release` is called "
"and return ``True``."
msgstr ""

#: library/asyncio-sync.rst:319
msgid "Returns ``True`` if semaphore can not be acquired immediately."
msgstr ""

#: library/asyncio-sync.rst:323
msgid ""
"Release a semaphore, incrementing the internal counter by one. Can wake up a "
"task waiting to acquire the semaphore."
msgstr ""

#: library/asyncio-sync.rst:326
msgid ""
"Unlike :class:`BoundedSemaphore`, :class:`Semaphore` allows making more "
"``release()`` calls than ``acquire()`` calls."
msgstr ""

#: library/asyncio-sync.rst:331
msgid "BoundedSemaphore"
msgstr "BoundedSemaphore"

#: library/asyncio-sync.rst:335
msgid "A bounded semaphore object.  Not thread-safe."
msgstr ""

#: library/asyncio-sync.rst:337
msgid ""
"Bounded Semaphore is a version of :class:`Semaphore` that raises a :exc:"
"`ValueError` in :meth:`~Semaphore.release` if it increases the internal "
"counter above the initial *value*."
msgstr ""

#: library/asyncio-sync.rst:346
msgid "Barrier"
msgstr ""

#: library/asyncio-sync.rst:350
msgid "A barrier object.  Not thread-safe."
msgstr ""

#: library/asyncio-sync.rst:352
msgid ""
"A barrier is a simple synchronization primitive that allows to block until "
"*parties* number of tasks are waiting on it. Tasks can wait on the :meth:"
"`~Barrier.wait` method and would be blocked until the specified number of "
"tasks end up waiting on :meth:`~Barrier.wait`. At that point all of the "
"waiting tasks would unblock simultaneously."
msgstr ""

#: library/asyncio-sync.rst:358
msgid ""
":keyword:`async with` can be used as an alternative to awaiting on :meth:"
"`~Barrier.wait`."
msgstr ""

#: library/asyncio-sync.rst:361
msgid "The barrier can be reused any number of times."
msgstr ""

#: library/asyncio-sync.rst:388
msgid "Result of this example is::"
msgstr ""

#: library/asyncio-sync.rst:399
msgid ""
"Pass the barrier. When all the tasks party to the barrier have called this "
"function, they are all unblocked simultaneously."
msgstr ""

#: library/asyncio-sync.rst:402
msgid ""
"When a waiting or blocked task in the barrier is cancelled, this task exits "
"the barrier which stays in the same state. If the state of the barrier is "
"\"filling\", the number of waiting task decreases by 1."
msgstr ""

#: library/asyncio-sync.rst:407
msgid ""
"The return value is an integer in the range of 0 to ``parties-1``, different "
"for each task. This can be used to select a task to do some special "
"housekeeping, e.g.::"
msgstr ""

#: library/asyncio-sync.rst:417
msgid ""
"This method may raise a :class:`BrokenBarrierError` exception if the barrier "
"is broken or reset while a task is waiting. It could raise a :exc:"
"`CancelledError` if a task is cancelled."
msgstr ""

#: library/asyncio-sync.rst:423
msgid ""
"Return the barrier to the default, empty state.  Any tasks waiting on it "
"will receive the :class:`BrokenBarrierError` exception."
msgstr ""

#: library/asyncio-sync.rst:426
msgid ""
"If a barrier is broken it may be better to just leave it and create a new "
"one."
msgstr ""

#: library/asyncio-sync.rst:430
msgid ""
"Put the barrier into a broken state.  This causes any active or future calls "
"to :meth:`wait` to fail with the :class:`BrokenBarrierError`. Use this for "
"example if one of the tasks needs to abort, to avoid infinite waiting tasks."
msgstr ""

#: library/asyncio-sync.rst:437
msgid "The number of tasks required to pass the barrier."
msgstr ""

#: library/asyncio-sync.rst:441
msgid "The number of tasks currently waiting in the barrier while filling."
msgstr ""

#: library/asyncio-sync.rst:445
msgid "A boolean that is ``True`` if the barrier is in the broken state."
msgstr ""

#: library/asyncio-sync.rst:450
msgid ""
"This exception, a subclass of :exc:`RuntimeError`, is raised when the :class:"
"`Barrier` object is reset or broken."
msgstr ""

#: library/asyncio-sync.rst:458
msgid ""
"Acquiring a lock using ``await lock`` or ``yield from lock`` and/or :keyword:"
"`with` statement (``with await lock``, ``with (yield from lock)``) was "
"removed.  Use ``async with lock`` instead."
msgstr ""