forked from AFPy/python-docs-fr
231 lines
8.3 KiB
Plaintext
231 lines
8.3 KiB
Plaintext
# SOME DESCRIPTIVE TITLE.
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# Copyright (C) 2001-2016, Python Software Foundation
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# This file is distributed under the same license as the Python package.
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# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
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#
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#, fuzzy
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msgid ""
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msgstr ""
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"Project-Id-Version: Python 3.6\n"
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"Report-Msgid-Bugs-To: \n"
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"POT-Creation-Date: 2017-08-10 00:49+0200\n"
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"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
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"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
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"Language-Team: LANGUAGE <LL@li.org>\n"
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"Language: fr\n"
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"MIME-Version: 1.0\n"
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"Content-Type: text/plain; charset=UTF-8\n"
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"Content-Transfer-Encoding: 8bit\n"
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#: ../Doc/library/shelve.rst:2
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msgid ":mod:`shelve` --- Python object persistence"
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msgstr ""
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#: ../Doc/library/shelve.rst:7
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msgid "**Source code:** :source:`Lib/shelve.py`"
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msgstr "**Code source :** :source:`Lib/shelve.py`"
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#: ../Doc/library/shelve.rst:13
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msgid ""
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"A \"shelf\" is a persistent, dictionary-like object. The difference with "
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"\"dbm\" databases is that the values (not the keys!) in a shelf can be "
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"essentially arbitrary Python objects --- anything that the :mod:`pickle` "
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"module can handle. This includes most class instances, recursive data types, "
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"and objects containing lots of shared sub-objects. The keys are ordinary "
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"strings."
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msgstr ""
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#: ../Doc/library/shelve.rst:22
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msgid ""
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"Open a persistent dictionary. The filename specified is the base filename "
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"for the underlying database. As a side-effect, an extension may be added to "
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"the filename and more than one file may be created. By default, the "
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"underlying database file is opened for reading and writing. The optional "
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"*flag* parameter has the same interpretation as the *flag* parameter of :"
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"func:`dbm.open`."
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msgstr ""
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#: ../Doc/library/shelve.rst:28
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msgid ""
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"By default, version 3 pickles are used to serialize values. The version of "
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"the pickle protocol can be specified with the *protocol* parameter."
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msgstr ""
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#: ../Doc/library/shelve.rst:31
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msgid ""
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"Because of Python semantics, a shelf cannot know when a mutable persistent-"
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"dictionary entry is modified. By default modified objects are written "
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"*only* when assigned to the shelf (see :ref:`shelve-example`). If the "
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"optional *writeback* parameter is set to ``True``, all entries accessed are "
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"also cached in memory, and written back on :meth:`~Shelf.sync` and :meth:"
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"`~Shelf.close`; this can make it handier to mutate mutable entries in the "
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"persistent dictionary, but, if many entries are accessed, it can consume "
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"vast amounts of memory for the cache, and it can make the close operation "
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"very slow since all accessed entries are written back (there is no way to "
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"determine which accessed entries are mutable, nor which ones were actually "
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"mutated)."
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msgstr ""
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#: ../Doc/library/shelve.rst:45
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msgid ""
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"Do not rely on the shelf being closed automatically; always call :meth:"
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"`~Shelf.close` explicitly when you don't need it any more, or use :func:"
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"`shelve.open` as a context manager::"
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msgstr ""
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#: ../Doc/library/shelve.rst:54
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msgid ""
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"Because the :mod:`shelve` module is backed by :mod:`pickle`, it is insecure "
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"to load a shelf from an untrusted source. Like with pickle, loading a shelf "
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"can execute arbitrary code."
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msgstr ""
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#: ../Doc/library/shelve.rst:58
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msgid ""
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"Shelf objects support all methods supported by dictionaries. This eases the "
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"transition from dictionary based scripts to those requiring persistent "
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"storage."
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msgstr ""
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#: ../Doc/library/shelve.rst:61
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msgid "Two additional methods are supported:"
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msgstr ""
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#: ../Doc/library/shelve.rst:65
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msgid ""
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"Write back all entries in the cache if the shelf was opened with *writeback* "
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"set to :const:`True`. Also empty the cache and synchronize the persistent "
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"dictionary on disk, if feasible. This is called automatically when the "
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"shelf is closed with :meth:`close`."
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msgstr ""
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#: ../Doc/library/shelve.rst:72
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msgid ""
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"Synchronize and close the persistent *dict* object. Operations on a closed "
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"shelf will fail with a :exc:`ValueError`."
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msgstr ""
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#: ../Doc/library/shelve.rst:78
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msgid ""
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"`Persistent dictionary recipe <https://code.activestate.com/recipes/576642/"
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">`_ with widely supported storage formats and having the speed of native "
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"dictionaries."
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msgstr ""
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#: ../Doc/library/shelve.rst:84
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msgid "Restrictions"
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msgstr ""
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#: ../Doc/library/shelve.rst:90
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msgid ""
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"The choice of which database package will be used (such as :mod:`dbm.ndbm` "
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"or :mod:`dbm.gnu`) depends on which interface is available. Therefore it is "
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"not safe to open the database directly using :mod:`dbm`. The database is "
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"also (unfortunately) subject to the limitations of :mod:`dbm`, if it is used "
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"--- this means that (the pickled representation of) the objects stored in "
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"the database should be fairly small, and in rare cases key collisions may "
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"cause the database to refuse updates."
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msgstr ""
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#: ../Doc/library/shelve.rst:98
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msgid ""
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"The :mod:`shelve` module does not support *concurrent* read/write access to "
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"shelved objects. (Multiple simultaneous read accesses are safe.) When a "
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"program has a shelf open for writing, no other program should have it open "
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"for reading or writing. Unix file locking can be used to solve this, but "
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"this differs across Unix versions and requires knowledge about the database "
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"implementation used."
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msgstr ""
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#: ../Doc/library/shelve.rst:108
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msgid ""
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"A subclass of :class:`collections.abc.MutableMapping` which stores pickled "
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"values in the *dict* object."
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msgstr ""
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#: ../Doc/library/shelve.rst:111
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msgid ""
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"By default, version 3 pickles are used to serialize values. The version of "
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"the pickle protocol can be specified with the *protocol* parameter. See the :"
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"mod:`pickle` documentation for a discussion of the pickle protocols."
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msgstr ""
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#: ../Doc/library/shelve.rst:115
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msgid ""
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"If the *writeback* parameter is ``True``, the object will hold a cache of "
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"all entries accessed and write them back to the *dict* at sync and close "
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"times. This allows natural operations on mutable entries, but can consume "
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"much more memory and make sync and close take a long time."
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msgstr ""
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#: ../Doc/library/shelve.rst:120
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msgid ""
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"The *keyencoding* parameter is the encoding used to encode keys before they "
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"are used with the underlying dict."
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msgstr ""
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#: ../Doc/library/shelve.rst:123
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msgid ""
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"A :class:`Shelf` object can also be used as a context manager, in which case "
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"it will be automatically closed when the :keyword:`with` block ends."
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msgstr ""
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#: ../Doc/library/shelve.rst:126
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msgid ""
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"Added the *keyencoding* parameter; previously, keys were always encoded in "
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"UTF-8."
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msgstr ""
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#: ../Doc/library/shelve.rst:130
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msgid "Added context manager support."
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msgstr "Ajout du support des gestionnaires de contexte."
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#: ../Doc/library/shelve.rst:136
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msgid ""
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"A subclass of :class:`Shelf` which exposes :meth:`first`, :meth:`!next`, :"
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"meth:`previous`, :meth:`last` and :meth:`set_location` which are available "
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"in the third-party :mod:`bsddb` module from `pybsddb <https://www.jcea.es/"
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"programacion/pybsddb.htm>`_ but not in other database modules. The *dict* "
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"object passed to the constructor must support those methods. This is "
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"generally accomplished by calling one of :func:`bsddb.hashopen`, :func:"
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"`bsddb.btopen` or :func:`bsddb.rnopen`. The optional *protocol*, "
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"*writeback*, and *keyencoding* parameters have the same interpretation as "
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"for the :class:`Shelf` class."
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msgstr ""
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#: ../Doc/library/shelve.rst:149
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msgid ""
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"A subclass of :class:`Shelf` which accepts a *filename* instead of a dict-"
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"like object. The underlying file will be opened using :func:`dbm.open`. By "
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"default, the file will be created and opened for both read and write. The "
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"optional *flag* parameter has the same interpretation as for the :func:`."
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"open` function. The optional *protocol* and *writeback* parameters have the "
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"same interpretation as for the :class:`Shelf` class."
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msgstr ""
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#: ../Doc/library/shelve.rst:160
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msgid "Example"
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msgstr "Exemple"
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#: ../Doc/library/shelve.rst:162
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msgid ""
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"To summarize the interface (``key`` is a string, ``data`` is an arbitrary "
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"object)::"
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msgstr ""
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#: ../Doc/library/shelve.rst:199
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msgid "Module :mod:`dbm`"
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msgstr ""
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#: ../Doc/library/shelve.rst:199
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msgid "Generic interface to ``dbm``-style databases."
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msgstr ""
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#: ../Doc/library/shelve.rst:201
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msgid "Module :mod:`pickle`"
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msgstr ""
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#: ../Doc/library/shelve.rst:202
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msgid "Object serialization used by :mod:`shelve`."
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msgstr ""
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