forked from AFPy/python-docs-fr
1378 lines
45 KiB
Plaintext
1378 lines
45 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: 2018-06-10 11:27+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/io.rst:2
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msgid ":mod:`io` --- Core tools for working with streams"
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msgstr ""
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#: ../Doc/library/io.rst:15
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msgid "**Source code:** :source:`Lib/io.py`"
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msgstr ""
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#: ../Doc/library/io.rst:22
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msgid "Overview"
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msgstr ""
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#: ../Doc/library/io.rst:27
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msgid ""
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"The :mod:`io` module provides Python's main facilities for dealing with "
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"various types of I/O. There are three main types of I/O: *text I/O*, "
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"*binary I/O* and *raw I/O*. These are generic categories, and various "
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"backing stores can be used for each of them. A concrete object belonging to "
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"any of these categories is called a :term:`file object`. Other common terms "
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"are *stream* and *file-like object*."
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msgstr ""
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#: ../Doc/library/io.rst:34
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msgid ""
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"Independently of its category, each concrete stream object will also have "
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"various capabilities: it can be read-only, write-only, or read-write. It can "
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"also allow arbitrary random access (seeking forwards or backwards to any "
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"location), or only sequential access (for example in the case of a socket or "
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"pipe)."
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msgstr ""
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#: ../Doc/library/io.rst:40
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msgid ""
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"All streams are careful about the type of data you give to them. For "
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"example giving a :class:`str` object to the ``write()`` method of a binary "
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"stream will raise a ``TypeError``. So will giving a :class:`bytes` object "
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"to the ``write()`` method of a text stream."
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msgstr ""
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#: ../Doc/library/io.rst:45
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msgid ""
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"Operations that used to raise :exc:`IOError` now raise :exc:`OSError`, "
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"since :exc:`IOError` is now an alias of :exc:`OSError`."
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msgstr ""
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#: ../Doc/library/io.rst:51 ../Doc/library/io.rst:746 ../Doc/library/io.rst:976
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msgid "Text I/O"
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msgstr ""
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#: ../Doc/library/io.rst:53
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msgid ""
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"Text I/O expects and produces :class:`str` objects. This means that "
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"whenever the backing store is natively made of bytes (such as in the case of "
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"a file), encoding and decoding of data is made transparently as well as "
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"optional translation of platform-specific newline characters."
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msgstr ""
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#: ../Doc/library/io.rst:58
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msgid ""
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"The easiest way to create a text stream is with :meth:`open()`, optionally "
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"specifying an encoding::"
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msgstr ""
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#: ../Doc/library/io.rst:63
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msgid ""
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"In-memory text streams are also available as :class:`StringIO` objects::"
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msgstr ""
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#: ../Doc/library/io.rst:67
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msgid ""
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"The text stream API is described in detail in the documentation of :class:"
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"`TextIOBase`."
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msgstr ""
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#: ../Doc/library/io.rst:72 ../Doc/library/io.rst:964
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msgid "Binary I/O"
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msgstr ""
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#: ../Doc/library/io.rst:74
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msgid ""
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"Binary I/O (also called *buffered I/O*) expects :term:`bytes-like objects "
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"<bytes-like object>` and produces :class:`bytes` objects. No encoding, "
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"decoding, or newline translation is performed. This category of streams can "
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"be used for all kinds of non-text data, and also when manual control over "
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"the handling of text data is desired."
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msgstr ""
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#: ../Doc/library/io.rst:80
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msgid ""
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"The easiest way to create a binary stream is with :meth:`open()` with "
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"``'b'`` in the mode string::"
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msgstr ""
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#: ../Doc/library/io.rst:85
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msgid ""
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"In-memory binary streams are also available as :class:`BytesIO` objects::"
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msgstr ""
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#: ../Doc/library/io.rst:89
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msgid ""
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"The binary stream API is described in detail in the docs of :class:"
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"`BufferedIOBase`."
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msgstr ""
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#: ../Doc/library/io.rst:92
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msgid ""
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"Other library modules may provide additional ways to create text or binary "
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"streams. See :meth:`socket.socket.makefile` for example."
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msgstr ""
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#: ../Doc/library/io.rst:97
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msgid "Raw I/O"
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msgstr ""
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#: ../Doc/library/io.rst:99
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msgid ""
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"Raw I/O (also called *unbuffered I/O*) is generally used as a low-level "
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"building-block for binary and text streams; it is rarely useful to directly "
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"manipulate a raw stream from user code. Nevertheless, you can create a raw "
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"stream by opening a file in binary mode with buffering disabled::"
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msgstr ""
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#: ../Doc/library/io.rst:106
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msgid ""
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"The raw stream API is described in detail in the docs of :class:`RawIOBase`."
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msgstr ""
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#: ../Doc/library/io.rst:110
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msgid "High-level Module Interface"
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msgstr ""
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#: ../Doc/library/io.rst:114
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msgid ""
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"An int containing the default buffer size used by the module's buffered I/O "
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"classes. :func:`open` uses the file's blksize (as obtained by :func:`os."
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"stat`) if possible."
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msgstr ""
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#: ../Doc/library/io.rst:121
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msgid "This is an alias for the builtin :func:`open` function."
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msgstr ""
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#: ../Doc/library/io.rst:126
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msgid ""
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"This is a compatibility alias for the builtin :exc:`BlockingIOError` "
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"exception."
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msgstr ""
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#: ../Doc/library/io.rst:132
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msgid ""
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"An exception inheriting :exc:`OSError` and :exc:`ValueError` that is raised "
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"when an unsupported operation is called on a stream."
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msgstr ""
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#: ../Doc/library/io.rst:137
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msgid "In-memory streams"
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msgstr ""
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#: ../Doc/library/io.rst:139
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msgid ""
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"It is also possible to use a :class:`str` or :term:`bytes-like object` as a "
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"file for both reading and writing. For strings :class:`StringIO` can be "
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"used like a file opened in text mode. :class:`BytesIO` can be used like a "
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"file opened in binary mode. Both provide full read-write capabilities with "
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"random access."
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msgstr ""
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#: ../Doc/library/io.rst:149
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msgid ":mod:`sys`"
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msgstr ""
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#: ../Doc/library/io.rst:149
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msgid ""
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"contains the standard IO streams: :data:`sys.stdin`, :data:`sys.stdout`, "
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"and :data:`sys.stderr`."
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msgstr ""
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#: ../Doc/library/io.rst:154
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msgid "Class hierarchy"
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msgstr ""
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#: ../Doc/library/io.rst:156
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msgid ""
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"The implementation of I/O streams is organized as a hierarchy of classes. "
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"First :term:`abstract base classes <abstract base class>` (ABCs), which are "
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"used to specify the various categories of streams, then concrete classes "
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"providing the standard stream implementations."
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msgstr ""
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#: ../Doc/library/io.rst:163
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msgid ""
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"The abstract base classes also provide default implementations of some "
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"methods in order to help implementation of concrete stream classes. For "
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"example, :class:`BufferedIOBase` provides unoptimized implementations of :"
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"meth:`~IOBase.readinto` and :meth:`~IOBase.readline`."
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msgstr ""
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#: ../Doc/library/io.rst:168
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msgid ""
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"At the top of the I/O hierarchy is the abstract base class :class:`IOBase`. "
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"It defines the basic interface to a stream. Note, however, that there is no "
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"separation between reading and writing to streams; implementations are "
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"allowed to raise :exc:`UnsupportedOperation` if they do not support a given "
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"operation."
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msgstr ""
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#: ../Doc/library/io.rst:173
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msgid ""
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"The :class:`RawIOBase` ABC extends :class:`IOBase`. It deals with the "
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"reading and writing of bytes to a stream. :class:`FileIO` subclasses :class:"
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"`RawIOBase` to provide an interface to files in the machine's file system."
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msgstr ""
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#: ../Doc/library/io.rst:177
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msgid ""
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"The :class:`BufferedIOBase` ABC deals with buffering on a raw byte stream (:"
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"class:`RawIOBase`). Its subclasses, :class:`BufferedWriter`, :class:"
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"`BufferedReader`, and :class:`BufferedRWPair` buffer streams that are "
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"readable, writable, and both readable and writable. :class:`BufferedRandom` "
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"provides a buffered interface to random access streams. Another :class:"
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"`BufferedIOBase` subclass, :class:`BytesIO`, is a stream of in-memory bytes."
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msgstr ""
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#: ../Doc/library/io.rst:185
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msgid ""
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"The :class:`TextIOBase` ABC, another subclass of :class:`IOBase`, deals with "
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"streams whose bytes represent text, and handles encoding and decoding to and "
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"from strings. :class:`TextIOWrapper`, which extends it, is a buffered text "
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"interface to a buffered raw stream (:class:`BufferedIOBase`). Finally, :"
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"class:`StringIO` is an in-memory stream for text."
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msgstr ""
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#: ../Doc/library/io.rst:191
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msgid ""
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"Argument names are not part of the specification, and only the arguments of :"
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"func:`open` are intended to be used as keyword arguments."
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msgstr ""
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#: ../Doc/library/io.rst:194
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msgid ""
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"The following table summarizes the ABCs provided by the :mod:`io` module:"
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msgstr ""
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#: ../Doc/library/io.rst:199
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msgid "ABC"
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msgstr "ABC"
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#: ../Doc/library/io.rst:199
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msgid "Inherits"
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msgstr ""
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#: ../Doc/library/io.rst:199
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msgid "Stub Methods"
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msgstr ""
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#: ../Doc/library/io.rst:199
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msgid "Mixin Methods and Properties"
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msgstr ""
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#: ../Doc/library/io.rst:201 ../Doc/library/io.rst:206
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#: ../Doc/library/io.rst:208 ../Doc/library/io.rst:210
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msgid ":class:`IOBase`"
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msgstr ""
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#: ../Doc/library/io.rst:201
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msgid "``fileno``, ``seek``, and ``truncate``"
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msgstr "``fileno``, ``seek``, et ``truncate``"
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#: ../Doc/library/io.rst:201
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msgid ""
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"``close``, ``closed``, ``__enter__``, ``__exit__``, ``flush``, ``isatty``, "
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"``__iter__``, ``__next__``, ``readable``, ``readline``, ``readlines``, "
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"``seekable``, ``tell``, ``writable``, and ``writelines``"
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msgstr ""
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#: ../Doc/library/io.rst:206
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msgid ":class:`RawIOBase`"
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msgstr ""
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#: ../Doc/library/io.rst:206
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msgid "``readinto`` and ``write``"
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msgstr "``readinto`` et ``write``"
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#: ../Doc/library/io.rst:206
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msgid "Inherited :class:`IOBase` methods, ``read``, and ``readall``"
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msgstr ""
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#: ../Doc/library/io.rst:208
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msgid ":class:`BufferedIOBase`"
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msgstr ""
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#: ../Doc/library/io.rst:208
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msgid "``detach``, ``read``, ``read1``, and ``write``"
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msgstr "``detach``, ``read``, ``read1``, et ``write``"
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#: ../Doc/library/io.rst:208
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msgid "Inherited :class:`IOBase` methods, ``readinto``, and ``readinto1``"
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msgstr ""
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#: ../Doc/library/io.rst:210
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msgid ":class:`TextIOBase`"
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msgstr ""
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#: ../Doc/library/io.rst:210
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msgid "``detach``, ``read``, ``readline``, and ``write``"
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msgstr "``detach``, ``read``, ``readline``, et ``write``"
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#: ../Doc/library/io.rst:210
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msgid ""
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"Inherited :class:`IOBase` methods, ``encoding``, ``errors``, and ``newlines``"
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msgstr ""
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#: ../Doc/library/io.rst:217
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msgid "I/O Base Classes"
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msgstr ""
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#: ../Doc/library/io.rst:221
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msgid ""
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"The abstract base class for all I/O classes, acting on streams of bytes. "
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"There is no public constructor."
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msgstr ""
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#: ../Doc/library/io.rst:224
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msgid ""
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"This class provides empty abstract implementations for many methods that "
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"derived classes can override selectively; the default implementations "
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"represent a file that cannot be read, written or seeked."
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msgstr ""
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#: ../Doc/library/io.rst:229
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msgid ""
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"Even though :class:`IOBase` does not declare :meth:`read`, :meth:`readinto`, "
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"or :meth:`write` because their signatures will vary, implementations and "
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"clients should consider those methods part of the interface. Also, "
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"implementations may raise a :exc:`ValueError` (or :exc:"
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"`UnsupportedOperation`) when operations they do not support are called."
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msgstr ""
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#: ../Doc/library/io.rst:235
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msgid ""
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"The basic type used for binary data read from or written to a file is :class:"
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"`bytes`. Other :term:`bytes-like objects <bytes-like object>` are accepted "
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"as method arguments too. In some cases, such as :meth:`~RawIOBase."
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"readinto`, a writable object such as :class:`bytearray` is required. Text I/"
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"O classes work with :class:`str` data."
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msgstr ""
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#: ../Doc/library/io.rst:241
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msgid ""
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"Note that calling any method (even inquiries) on a closed stream is "
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"undefined. Implementations may raise :exc:`ValueError` in this case."
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msgstr ""
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#: ../Doc/library/io.rst:244
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msgid ""
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":class:`IOBase` (and its subclasses) supports the iterator protocol, meaning "
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"that an :class:`IOBase` object can be iterated over yielding the lines in a "
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"stream. Lines are defined slightly differently depending on whether the "
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"stream is a binary stream (yielding bytes), or a text stream (yielding "
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"character strings). See :meth:`~IOBase.readline` below."
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msgstr ""
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#: ../Doc/library/io.rst:250
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msgid ""
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":class:`IOBase` is also a context manager and therefore supports the :"
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"keyword:`with` statement. In this example, *file* is closed after the :"
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"keyword:`with` statement's suite is finished---even if an exception occurs::"
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msgstr ""
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#: ../Doc/library/io.rst:257
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msgid ":class:`IOBase` provides these data attributes and methods:"
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msgstr ""
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#: ../Doc/library/io.rst:261
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msgid ""
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"Flush and close this stream. This method has no effect if the file is "
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"already closed. Once the file is closed, any operation on the file (e.g. "
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"reading or writing) will raise a :exc:`ValueError`."
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msgstr ""
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#: ../Doc/library/io.rst:265
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msgid ""
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"As a convenience, it is allowed to call this method more than once; only the "
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"first call, however, will have an effect."
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msgstr ""
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#: ../Doc/library/io.rst:270
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msgid "``True`` if the stream is closed."
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msgstr ""
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#: ../Doc/library/io.rst:274
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msgid ""
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"Return the underlying file descriptor (an integer) of the stream if it "
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"exists. An :exc:`OSError` is raised if the IO object does not use a file "
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"descriptor."
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msgstr ""
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#: ../Doc/library/io.rst:280
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msgid ""
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"Flush the write buffers of the stream if applicable. This does nothing for "
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"read-only and non-blocking streams."
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msgstr ""
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#: ../Doc/library/io.rst:285
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msgid ""
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"Return ``True`` if the stream is interactive (i.e., connected to a terminal/"
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"tty device)."
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msgstr ""
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#: ../Doc/library/io.rst:290
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msgid ""
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"Return ``True`` if the stream can be read from. If ``False``, :meth:`read` "
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"will raise :exc:`OSError`."
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msgstr ""
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#: ../Doc/library/io.rst:295
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msgid ""
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"Read and return one line from the stream. If *size* is specified, at most "
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"*size* bytes will be read."
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msgstr ""
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#: ../Doc/library/io.rst:298
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msgid ""
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"The line terminator is always ``b'\\n'`` for binary files; for text files, "
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"the *newline* argument to :func:`open` can be used to select the line "
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"terminator(s) recognized."
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msgstr ""
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#: ../Doc/library/io.rst:304
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msgid ""
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"Read and return a list of lines from the stream. *hint* can be specified to "
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"control the number of lines read: no more lines will be read if the total "
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"size (in bytes/characters) of all lines so far exceeds *hint*."
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msgstr ""
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#: ../Doc/library/io.rst:308
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msgid ""
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"Note that it's already possible to iterate on file objects using ``for line "
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"in file: ...`` without calling ``file.readlines()``."
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msgstr ""
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#: ../Doc/library/io.rst:313
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msgid ""
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"Change the stream position to the given byte *offset*. *offset* is "
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"interpreted relative to the position indicated by *whence*. The default "
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"value for *whence* is :data:`SEEK_SET`. Values for *whence* are:"
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msgstr ""
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#: ../Doc/library/io.rst:317
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msgid ""
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":data:`SEEK_SET` or ``0`` -- start of the stream (the default); *offset* "
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"should be zero or positive"
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msgstr ""
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#: ../Doc/library/io.rst:319
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msgid ""
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":data:`SEEK_CUR` or ``1`` -- current stream position; *offset* may be "
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"negative"
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msgstr ""
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#: ../Doc/library/io.rst:321
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msgid ""
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":data:`SEEK_END` or ``2`` -- end of the stream; *offset* is usually negative"
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msgstr ""
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#: ../Doc/library/io.rst:324
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msgid "Return the new absolute position."
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msgstr ""
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#: ../Doc/library/io.rst:326 ../Doc/library/io.rst:823
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msgid "The ``SEEK_*`` constants."
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msgstr ""
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#: ../Doc/library/io.rst:329
|
|
msgid ""
|
|
"Some operating systems could support additional values, like :data:`os."
|
|
"SEEK_HOLE` or :data:`os.SEEK_DATA`. The valid values for a file could depend "
|
|
"on it being open in text or binary mode."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:336
|
|
msgid ""
|
|
"Return ``True`` if the stream supports random access. If ``False``, :meth:"
|
|
"`seek`, :meth:`tell` and :meth:`truncate` will raise :exc:`OSError`."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:341
|
|
msgid "Return the current stream position."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:345
|
|
msgid ""
|
|
"Resize the stream to the given *size* in bytes (or the current position if "
|
|
"*size* is not specified). The current stream position isn't changed. This "
|
|
"resizing can extend or reduce the current file size. In case of extension, "
|
|
"the contents of the new file area depend on the platform (on most systems, "
|
|
"additional bytes are zero-filled). The new file size is returned."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:352
|
|
msgid "Windows will now zero-fill files when extending."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:357
|
|
msgid ""
|
|
"Return ``True`` if the stream supports writing. If ``False``, :meth:`write` "
|
|
"and :meth:`truncate` will raise :exc:`OSError`."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:362
|
|
msgid ""
|
|
"Write a list of lines to the stream. Line separators are not added, so it "
|
|
"is usual for each of the lines provided to have a line separator at the end."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:368
|
|
msgid ""
|
|
"Prepare for object destruction. :class:`IOBase` provides a default "
|
|
"implementation of this method that calls the instance's :meth:`~IOBase."
|
|
"close` method."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:375
|
|
msgid ""
|
|
"Base class for raw binary I/O. It inherits :class:`IOBase`. There is no "
|
|
"public constructor."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:378
|
|
msgid ""
|
|
"Raw binary I/O typically provides low-level access to an underlying OS "
|
|
"device or API, and does not try to encapsulate it in high-level primitives "
|
|
"(this is left to Buffered I/O and Text I/O, described later in this page)."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:382
|
|
msgid ""
|
|
"In addition to the attributes and methods from :class:`IOBase`, :class:"
|
|
"`RawIOBase` provides the following methods:"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:387
|
|
msgid ""
|
|
"Read up to *size* bytes from the object and return them. As a convenience, "
|
|
"if *size* is unspecified or -1, all bytes until EOF are returned. Otherwise, "
|
|
"only one system call is ever made. Fewer than *size* bytes may be returned "
|
|
"if the operating system call returns fewer than *size* bytes."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:392
|
|
msgid ""
|
|
"If 0 bytes are returned, and *size* was not 0, this indicates end of file. "
|
|
"If the object is in non-blocking mode and no bytes are available, ``None`` "
|
|
"is returned."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:396
|
|
msgid ""
|
|
"The default implementation defers to :meth:`readall` and :meth:`readinto`."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:401
|
|
msgid ""
|
|
"Read and return all the bytes from the stream until EOF, using multiple "
|
|
"calls to the stream if necessary."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:406
|
|
msgid ""
|
|
"Read bytes into a pre-allocated, writable :term:`bytes-like object` *b*, and "
|
|
"return the number of bytes read. If the object is in non-blocking mode and "
|
|
"no bytes are available, ``None`` is returned."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:413
|
|
msgid ""
|
|
"Write the given :term:`bytes-like object`, *b*, to the underlying raw "
|
|
"stream, and return the number of bytes written. This can be less than the "
|
|
"length of *b* in bytes, depending on specifics of the underlying raw stream, "
|
|
"and especially if it is in non-blocking mode. ``None`` is returned if the "
|
|
"raw stream is set not to block and no single byte could be readily written "
|
|
"to it. The caller may release or mutate *b* after this method returns, so "
|
|
"the implementation should only access *b* during the method call."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:426
|
|
msgid ""
|
|
"Base class for binary streams that support some kind of buffering. It "
|
|
"inherits :class:`IOBase`. There is no public constructor."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:429
|
|
msgid ""
|
|
"The main difference with :class:`RawIOBase` is that methods :meth:`read`, :"
|
|
"meth:`readinto` and :meth:`write` will try (respectively) to read as much "
|
|
"input as requested or to consume all given output, at the expense of making "
|
|
"perhaps more than one system call."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:434
|
|
msgid ""
|
|
"In addition, those methods can raise :exc:`BlockingIOError` if the "
|
|
"underlying raw stream is in non-blocking mode and cannot take or give enough "
|
|
"data; unlike their :class:`RawIOBase` counterparts, they will never return "
|
|
"``None``."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:439
|
|
msgid ""
|
|
"Besides, the :meth:`read` method does not have a default implementation that "
|
|
"defers to :meth:`readinto`."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:442
|
|
msgid ""
|
|
"A typical :class:`BufferedIOBase` implementation should not inherit from a :"
|
|
"class:`RawIOBase` implementation, but wrap one, like :class:`BufferedWriter` "
|
|
"and :class:`BufferedReader` do."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:446
|
|
msgid ""
|
|
":class:`BufferedIOBase` provides or overrides these methods and attribute in "
|
|
"addition to those from :class:`IOBase`:"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:451
|
|
msgid ""
|
|
"The underlying raw stream (a :class:`RawIOBase` instance) that :class:"
|
|
"`BufferedIOBase` deals with. This is not part of the :class:"
|
|
"`BufferedIOBase` API and may not exist on some implementations."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:457
|
|
msgid "Separate the underlying raw stream from the buffer and return it."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:459
|
|
msgid ""
|
|
"After the raw stream has been detached, the buffer is in an unusable state."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:462
|
|
msgid ""
|
|
"Some buffers, like :class:`BytesIO`, do not have the concept of a single raw "
|
|
"stream to return from this method. They raise :exc:`UnsupportedOperation`."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:470
|
|
msgid ""
|
|
"Read and return up to *size* bytes. If the argument is omitted, ``None``, "
|
|
"or negative, data is read and returned until EOF is reached. An empty :"
|
|
"class:`bytes` object is returned if the stream is already at EOF."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:474
|
|
msgid ""
|
|
"If the argument is positive, and the underlying raw stream is not "
|
|
"interactive, multiple raw reads may be issued to satisfy the byte count "
|
|
"(unless EOF is reached first). But for interactive raw streams, at most one "
|
|
"raw read will be issued, and a short result does not imply that EOF is "
|
|
"imminent."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:480 ../Doc/library/io.rst:499
|
|
#: ../Doc/library/io.rst:509
|
|
msgid ""
|
|
"A :exc:`BlockingIOError` is raised if the underlying raw stream is in non "
|
|
"blocking-mode, and has no data available at the moment."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:485
|
|
msgid ""
|
|
"Read and return up to *size* bytes, with at most one call to the underlying "
|
|
"raw stream's :meth:`~RawIOBase.read` (or :meth:`~RawIOBase.readinto`) "
|
|
"method. This can be useful if you are implementing your own buffering on "
|
|
"top of a :class:`BufferedIOBase` object."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:493
|
|
msgid ""
|
|
"Read bytes into a pre-allocated, writable :term:`bytes-like object` *b* and "
|
|
"return the number of bytes read."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:496
|
|
msgid ""
|
|
"Like :meth:`read`, multiple reads may be issued to the underlying raw "
|
|
"stream, unless the latter is interactive."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:504
|
|
msgid ""
|
|
"Read bytes into a pre-allocated, writable :term:`bytes-like object` *b*, "
|
|
"using at most one call to the underlying raw stream's :meth:`~RawIOBase."
|
|
"read` (or :meth:`~RawIOBase.readinto`) method. Return the number of bytes "
|
|
"read."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:516
|
|
msgid ""
|
|
"Write the given :term:`bytes-like object`, *b*, and return the number of "
|
|
"bytes written (always equal to the length of *b* in bytes, since if the "
|
|
"write fails an :exc:`OSError` will be raised). Depending on the actual "
|
|
"implementation, these bytes may be readily written to the underlying stream, "
|
|
"or held in a buffer for performance and latency reasons."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:523
|
|
msgid ""
|
|
"When in non-blocking mode, a :exc:`BlockingIOError` is raised if the data "
|
|
"needed to be written to the raw stream but it couldn't accept all the data "
|
|
"without blocking."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:527
|
|
msgid ""
|
|
"The caller may release or mutate *b* after this method returns, so the "
|
|
"implementation should only access *b* during the method call."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:532
|
|
msgid "Raw File I/O"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:536
|
|
msgid ""
|
|
":class:`FileIO` represents an OS-level file containing bytes data. It "
|
|
"implements the :class:`RawIOBase` interface (and therefore the :class:"
|
|
"`IOBase` interface, too)."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:540
|
|
msgid "The *name* can be one of two things:"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:542
|
|
msgid ""
|
|
"a character string or :class:`bytes` object representing the path to the "
|
|
"file which will be opened. In this case closefd must be ``True`` (the "
|
|
"default) otherwise an error will be raised."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:545
|
|
msgid ""
|
|
"an integer representing the number of an existing OS-level file descriptor "
|
|
"to which the resulting :class:`FileIO` object will give access. When the "
|
|
"FileIO object is closed this fd will be closed as well, unless *closefd* is "
|
|
"set to ``False``."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:550
|
|
msgid ""
|
|
"The *mode* can be ``'r'``, ``'w'``, ``'x'`` or ``'a'`` for reading "
|
|
"(default), writing, exclusive creation or appending. The file will be "
|
|
"created if it doesn't exist when opened for writing or appending; it will be "
|
|
"truncated when opened for writing. :exc:`FileExistsError` will be raised if "
|
|
"it already exists when opened for creating. Opening a file for creating "
|
|
"implies writing, so this mode behaves in a similar way to ``'w'``. Add a "
|
|
"``'+'`` to the mode to allow simultaneous reading and writing."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:558
|
|
msgid ""
|
|
"The :meth:`read` (when called with a positive argument), :meth:`readinto` "
|
|
"and :meth:`write` methods on this class will only make one system call."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:561
|
|
msgid ""
|
|
"A custom opener can be used by passing a callable as *opener*. The "
|
|
"underlying file descriptor for the file object is then obtained by calling "
|
|
"*opener* with (*name*, *flags*). *opener* must return an open file "
|
|
"descriptor (passing :mod:`os.open` as *opener* results in functionality "
|
|
"similar to passing ``None``)."
|
|
msgstr ""
|
|
"Un *opener* personnalisé peut être utilisé en fournissant un appelable à "
|
|
"*opener*. Le descripteur de fichier de cet objet fichier sera alors obtenu "
|
|
"en appelant *opener* avec (*file*, *flags*). *opener* doit donner un "
|
|
"descripteur de fichier ouvert (fournir :mod:`os.open` en temps qu'*opener* "
|
|
"aura le même effet que donner ``None``)."
|
|
|
|
#: ../Doc/library/io.rst:567
|
|
msgid "The newly created file is :ref:`non-inheritable <fd_inheritance>`."
|
|
msgstr ""
|
|
"Il n'est :ref:`pas possible d'hériter du fichier <fd_inheritance>` "
|
|
"nouvellement créé."
|
|
|
|
#: ../Doc/library/io.rst:569
|
|
msgid ""
|
|
"See the :func:`open` built-in function for examples on using the *opener* "
|
|
"parameter."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:572
|
|
msgid "The *opener* parameter was added. The ``'x'`` mode was added."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:576
|
|
msgid "The file is now non-inheritable."
|
|
msgstr "Il n'est plus possible d'hériter de *file*."
|
|
|
|
#: ../Doc/library/io.rst:579
|
|
msgid ""
|
|
"In addition to the attributes and methods from :class:`IOBase` and :class:"
|
|
"`RawIOBase`, :class:`FileIO` provides the following data attributes:"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:585
|
|
msgid "The mode as given in the constructor."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:589
|
|
msgid ""
|
|
"The file name. This is the file descriptor of the file when no name is "
|
|
"given in the constructor."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:594
|
|
msgid "Buffered Streams"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:596
|
|
msgid ""
|
|
"Buffered I/O streams provide a higher-level interface to an I/O device than "
|
|
"raw I/O does."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:601
|
|
msgid ""
|
|
"A stream implementation using an in-memory bytes buffer. It inherits :class:"
|
|
"`BufferedIOBase`. The buffer is discarded when the :meth:`~IOBase.close` "
|
|
"method is called."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:605
|
|
msgid ""
|
|
"The optional argument *initial_bytes* is a :term:`bytes-like object` that "
|
|
"contains initial data."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:608
|
|
msgid ""
|
|
":class:`BytesIO` provides or overrides these methods in addition to those "
|
|
"from :class:`BufferedIOBase` and :class:`IOBase`:"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:613
|
|
msgid ""
|
|
"Return a readable and writable view over the contents of the buffer without "
|
|
"copying them. Also, mutating the view will transparently update the "
|
|
"contents of the buffer::"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:624
|
|
msgid ""
|
|
"As long as the view exists, the :class:`BytesIO` object cannot be resized or "
|
|
"closed."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:631
|
|
msgid "Return :class:`bytes` containing the entire contents of the buffer."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:636
|
|
msgid "In :class:`BytesIO`, this is the same as :meth:`read`."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:640
|
|
msgid "In :class:`BytesIO`, this is the same as :meth:`readinto`."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:646
|
|
msgid ""
|
|
"A buffer providing higher-level access to a readable, sequential :class:"
|
|
"`RawIOBase` object. It inherits :class:`BufferedIOBase`. When reading data "
|
|
"from this object, a larger amount of data may be requested from the "
|
|
"underlying raw stream, and kept in an internal buffer. The buffered data can "
|
|
"then be returned directly on subsequent reads."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:652
|
|
msgid ""
|
|
"The constructor creates a :class:`BufferedReader` for the given readable "
|
|
"*raw* stream and *buffer_size*. If *buffer_size* is omitted, :data:"
|
|
"`DEFAULT_BUFFER_SIZE` is used."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:656
|
|
msgid ""
|
|
":class:`BufferedReader` provides or overrides these methods in addition to "
|
|
"those from :class:`BufferedIOBase` and :class:`IOBase`:"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:661
|
|
msgid ""
|
|
"Return bytes from the stream without advancing the position. At most one "
|
|
"single read on the raw stream is done to satisfy the call. The number of "
|
|
"bytes returned may be less or more than requested."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:667
|
|
msgid ""
|
|
"Read and return *size* bytes, or if *size* is not given or negative, until "
|
|
"EOF or if the read call would block in non-blocking mode."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:672
|
|
msgid ""
|
|
"Read and return up to *size* bytes with only one call on the raw stream. If "
|
|
"at least one byte is buffered, only buffered bytes are returned. Otherwise, "
|
|
"one raw stream read call is made."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:679
|
|
msgid ""
|
|
"A buffer providing higher-level access to a writeable, sequential :class:"
|
|
"`RawIOBase` object. It inherits :class:`BufferedIOBase`. When writing to "
|
|
"this object, data is normally placed into an internal buffer. The buffer "
|
|
"will be written out to the underlying :class:`RawIOBase` object under "
|
|
"various conditions, including:"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:685
|
|
msgid "when the buffer gets too small for all pending data;"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:686
|
|
msgid "when :meth:`flush()` is called;"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:687
|
|
msgid ""
|
|
"when a :meth:`seek()` is requested (for :class:`BufferedRandom` objects);"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:688
|
|
msgid "when the :class:`BufferedWriter` object is closed or destroyed."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:690
|
|
msgid ""
|
|
"The constructor creates a :class:`BufferedWriter` for the given writeable "
|
|
"*raw* stream. If the *buffer_size* is not given, it defaults to :data:"
|
|
"`DEFAULT_BUFFER_SIZE`."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:694
|
|
msgid ""
|
|
":class:`BufferedWriter` provides or overrides these methods in addition to "
|
|
"those from :class:`BufferedIOBase` and :class:`IOBase`:"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:699
|
|
msgid ""
|
|
"Force bytes held in the buffer into the raw stream. A :exc:"
|
|
"`BlockingIOError` should be raised if the raw stream blocks."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:704
|
|
msgid ""
|
|
"Write the :term:`bytes-like object`, *b*, and return the number of bytes "
|
|
"written. When in non-blocking mode, a :exc:`BlockingIOError` is raised if "
|
|
"the buffer needs to be written out but the raw stream blocks."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:712
|
|
msgid ""
|
|
"A buffered interface to random access streams. It inherits :class:"
|
|
"`BufferedReader` and :class:`BufferedWriter`, and further supports :meth:"
|
|
"`seek` and :meth:`tell` functionality."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:716
|
|
msgid ""
|
|
"The constructor creates a reader and writer for a seekable raw stream, given "
|
|
"in the first argument. If the *buffer_size* is omitted it defaults to :data:"
|
|
"`DEFAULT_BUFFER_SIZE`."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:720
|
|
msgid ""
|
|
":class:`BufferedRandom` is capable of anything :class:`BufferedReader` or :"
|
|
"class:`BufferedWriter` can do."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:726
|
|
msgid ""
|
|
"A buffered I/O object combining two unidirectional :class:`RawIOBase` "
|
|
"objects -- one readable, the other writeable -- into a single bidirectional "
|
|
"endpoint. It inherits :class:`BufferedIOBase`."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:730
|
|
msgid ""
|
|
"*reader* and *writer* are :class:`RawIOBase` objects that are readable and "
|
|
"writeable respectively. If the *buffer_size* is omitted it defaults to :"
|
|
"data:`DEFAULT_BUFFER_SIZE`."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:734
|
|
msgid ""
|
|
":class:`BufferedRWPair` implements all of :class:`BufferedIOBase`\\'s "
|
|
"methods except for :meth:`~BufferedIOBase.detach`, which raises :exc:"
|
|
"`UnsupportedOperation`."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:740
|
|
msgid ""
|
|
":class:`BufferedRWPair` does not attempt to synchronize accesses to its "
|
|
"underlying raw streams. You should not pass it the same object as reader "
|
|
"and writer; use :class:`BufferedRandom` instead."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:750
|
|
msgid ""
|
|
"Base class for text streams. This class provides a character and line based "
|
|
"interface to stream I/O. There is no :meth:`readinto` method because "
|
|
"Python's character strings are immutable. It inherits :class:`IOBase`. "
|
|
"There is no public constructor."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:755
|
|
msgid ""
|
|
":class:`TextIOBase` provides or overrides these data attributes and methods "
|
|
"in addition to those from :class:`IOBase`:"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:760
|
|
msgid ""
|
|
"The name of the encoding used to decode the stream's bytes into strings, and "
|
|
"to encode strings into bytes."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:765
|
|
msgid "The error setting of the decoder or encoder."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:769
|
|
msgid ""
|
|
"A string, a tuple of strings, or ``None``, indicating the newlines "
|
|
"translated so far. Depending on the implementation and the initial "
|
|
"constructor flags, this may not be available."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:775
|
|
msgid ""
|
|
"The underlying binary buffer (a :class:`BufferedIOBase` instance) that :"
|
|
"class:`TextIOBase` deals with. This is not part of the :class:`TextIOBase` "
|
|
"API and may not exist in some implementations."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:781
|
|
msgid ""
|
|
"Separate the underlying binary buffer from the :class:`TextIOBase` and "
|
|
"return it."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:784
|
|
msgid ""
|
|
"After the underlying buffer has been detached, the :class:`TextIOBase` is in "
|
|
"an unusable state."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:787
|
|
msgid ""
|
|
"Some :class:`TextIOBase` implementations, like :class:`StringIO`, may not "
|
|
"have the concept of an underlying buffer and calling this method will raise :"
|
|
"exc:`UnsupportedOperation`."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:795
|
|
msgid ""
|
|
"Read and return at most *size* characters from the stream as a single :class:"
|
|
"`str`. If *size* is negative or ``None``, reads until EOF."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:800
|
|
msgid ""
|
|
"Read until newline or EOF and return a single ``str``. If the stream is "
|
|
"already at EOF, an empty string is returned."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:803
|
|
msgid "If *size* is specified, at most *size* characters will be read."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:807
|
|
msgid ""
|
|
"Change the stream position to the given *offset*. Behaviour depends on the "
|
|
"*whence* parameter. The default value for *whence* is :data:`SEEK_SET`."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:811
|
|
msgid ""
|
|
":data:`SEEK_SET` or ``0``: seek from the start of the stream (the default); "
|
|
"*offset* must either be a number returned by :meth:`TextIOBase.tell`, or "
|
|
"zero. Any other *offset* value produces undefined behaviour."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:815
|
|
msgid ""
|
|
":data:`SEEK_CUR` or ``1``: \"seek\" to the current position; *offset* must "
|
|
"be zero, which is a no-operation (all other values are unsupported)."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:818
|
|
msgid ""
|
|
":data:`SEEK_END` or ``2``: seek to the end of the stream; *offset* must be "
|
|
"zero (all other values are unsupported)."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:821
|
|
msgid "Return the new absolute position as an opaque number."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:828
|
|
msgid ""
|
|
"Return the current stream position as an opaque number. The number does not "
|
|
"usually represent a number of bytes in the underlying binary storage."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:834
|
|
msgid ""
|
|
"Write the string *s* to the stream and return the number of characters "
|
|
"written."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:841
|
|
msgid ""
|
|
"A buffered text stream over a :class:`BufferedIOBase` binary stream. It "
|
|
"inherits :class:`TextIOBase`."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:844
|
|
msgid ""
|
|
"*encoding* gives the name of the encoding that the stream will be decoded or "
|
|
"encoded with. It defaults to :func:`locale.getpreferredencoding(False) "
|
|
"<locale.getpreferredencoding>`."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:848
|
|
msgid ""
|
|
"*errors* is an optional string that specifies how encoding and decoding "
|
|
"errors are to be handled. Pass ``'strict'`` to raise a :exc:`ValueError` "
|
|
"exception if there is an encoding error (the default of ``None`` has the "
|
|
"same effect), or pass ``'ignore'`` to ignore errors. (Note that ignoring "
|
|
"encoding errors can lead to data loss.) ``'replace'`` causes a replacement "
|
|
"marker (such as ``'?'``) to be inserted where there is malformed data. "
|
|
"``'backslashreplace'`` causes malformed data to be replaced by a backslashed "
|
|
"escape sequence. When writing, ``'xmlcharrefreplace'`` (replace with the "
|
|
"appropriate XML character reference) or ``'namereplace'`` (replace with ``"
|
|
"\\N{...}`` escape sequences) can be used. Any other error handling name "
|
|
"that has been registered with :func:`codecs.register_error` is also valid."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:864
|
|
msgid ""
|
|
"*newline* controls how line endings are handled. It can be ``None``, "
|
|
"``''``, ``'\\n'``, ``'\\r'``, and ``'\\r\\n'``. It works as follows:"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:867
|
|
msgid ""
|
|
"When reading input from the stream, if *newline* is ``None``, :term:"
|
|
"`universal newlines` mode is enabled. Lines in the input can end in "
|
|
"``'\\n'``, ``'\\r'``, or ``'\\r\\n'``, and these are translated into "
|
|
"``'\\n'`` before being returned to the caller. If it is ``''``, universal "
|
|
"newlines mode is enabled, but line endings are returned to the caller "
|
|
"untranslated. If it has any of the other legal values, input lines are only "
|
|
"terminated by the given string, and the line ending is returned to the "
|
|
"caller untranslated."
|
|
msgstr ""
|
|
"Lors de la lecture, si *newline* est ``None``, le mode :term:`universal "
|
|
"newlines` est activé. Les lignes lues peuvent terminer par ``'\\n'``, "
|
|
"``'\\r'``, ou ``'\\r\\n'``, qui sont remplacés par ``'\\n'``, avant d'être "
|
|
"données à l'appelant. S'il vaut ``''``, le mode *universal newline* est "
|
|
"activé mais les fin de lignes ne sont pas remplacés. S'il a n'importe quel "
|
|
"autre valeur autorisée, les lignes sont seulement terminées par la chaîne "
|
|
"donnée, qui est rendue tel qu'elle."
|
|
|
|
#: ../Doc/library/io.rst:876
|
|
msgid ""
|
|
"When writing output to the stream, if *newline* is ``None``, any ``'\\n'`` "
|
|
"characters written are translated to the system default line separator, :"
|
|
"data:`os.linesep`. If *newline* is ``''`` or ``'\\n'``, no translation "
|
|
"takes place. If *newline* is any of the other legal values, any ``'\\n'`` "
|
|
"characters written are translated to the given string."
|
|
msgstr ""
|
|
"Lors de l'écriture, si *newline* est ``None``, chaque ``'\\n'`` est remplacé "
|
|
"par le séparateur de lignes par défaut du système :data:`os.linesep`. Si "
|
|
"*newline* est ``*`` ou ``'\\n'`` aucun remplacent n'est effectué. Si "
|
|
"*newline* est un autre caractère valide, chaque ``'\\n'`` sera remplacé par "
|
|
"la chaîne donnée."
|
|
|
|
#: ../Doc/library/io.rst:882
|
|
msgid ""
|
|
"If *line_buffering* is ``True``, :meth:`flush` is implied when a call to "
|
|
"write contains a newline character or a carriage return."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:885
|
|
msgid ""
|
|
"If *write_through* is ``True``, calls to :meth:`write` are guaranteed not to "
|
|
"be buffered: any data written on the :class:`TextIOWrapper` object is "
|
|
"immediately handled to its underlying binary *buffer*."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:889
|
|
msgid "The *write_through* argument has been added."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:892
|
|
msgid ""
|
|
"The default *encoding* is now ``locale.getpreferredencoding(False)`` instead "
|
|
"of ``locale.getpreferredencoding()``. Don't change temporary the locale "
|
|
"encoding using :func:`locale.setlocale`, use the current locale encoding "
|
|
"instead of the user preferred encoding."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:898
|
|
msgid ""
|
|
":class:`TextIOWrapper` provides one attribute in addition to those of :class:"
|
|
"`TextIOBase` and its parents:"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:903
|
|
msgid "Whether line buffering is enabled."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:908
|
|
msgid ""
|
|
"An in-memory stream for text I/O. The text buffer is discarded when the :"
|
|
"meth:`~IOBase.close` method is called."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:911
|
|
msgid ""
|
|
"The initial value of the buffer can be set by providing *initial_value*. If "
|
|
"newline translation is enabled, newlines will be encoded as if by :meth:"
|
|
"`~TextIOBase.write`. The stream is positioned at the start of the buffer."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:916
|
|
msgid ""
|
|
"The *newline* argument works like that of :class:`TextIOWrapper`. The "
|
|
"default is to consider only ``\\n`` characters as ends of lines and to do no "
|
|
"newline translation. If *newline* is set to ``None``, newlines are written "
|
|
"as ``\\n`` on all platforms, but universal newline decoding is still "
|
|
"performed when reading."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:922
|
|
msgid ""
|
|
":class:`StringIO` provides this method in addition to those from :class:"
|
|
"`TextIOBase` and its parents:"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:927
|
|
msgid ""
|
|
"Return a ``str`` containing the entire contents of the buffer. Newlines are "
|
|
"decoded as if by :meth:`~TextIOBase.read`, although the stream position is "
|
|
"not changed."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:931
|
|
msgid "Example usage::"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:953
|
|
msgid ""
|
|
"A helper codec that decodes newlines for :term:`universal newlines` mode. It "
|
|
"inherits :class:`codecs.IncrementalDecoder`."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:958
|
|
msgid "Performance"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:960
|
|
msgid ""
|
|
"This section discusses the performance of the provided concrete I/O "
|
|
"implementations."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:966
|
|
msgid ""
|
|
"By reading and writing only large chunks of data even when the user asks for "
|
|
"a single byte, buffered I/O hides any inefficiency in calling and executing "
|
|
"the operating system's unbuffered I/O routines. The gain depends on the OS "
|
|
"and the kind of I/O which is performed. For example, on some modern OSes "
|
|
"such as Linux, unbuffered disk I/O can be as fast as buffered I/O. The "
|
|
"bottom line, however, is that buffered I/O offers predictable performance "
|
|
"regardless of the platform and the backing device. Therefore, it is almost "
|
|
"always preferable to use buffered I/O rather than unbuffered I/O for binary "
|
|
"data."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:978
|
|
msgid ""
|
|
"Text I/O over a binary storage (such as a file) is significantly slower than "
|
|
"binary I/O over the same storage, because it requires conversions between "
|
|
"unicode and binary data using a character codec. This can become noticeable "
|
|
"handling huge amounts of text data like large log files. Also, :meth:"
|
|
"`TextIOWrapper.tell` and :meth:`TextIOWrapper.seek` are both quite slow due "
|
|
"to the reconstruction algorithm used."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:985
|
|
msgid ""
|
|
":class:`StringIO`, however, is a native in-memory unicode container and will "
|
|
"exhibit similar speed to :class:`BytesIO`."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:989
|
|
msgid "Multi-threading"
|
|
msgstr "Fils d'exécution"
|
|
|
|
#: ../Doc/library/io.rst:991
|
|
msgid ""
|
|
":class:`FileIO` objects are thread-safe to the extent that the operating "
|
|
"system calls (such as ``read(2)`` under Unix) they wrap are thread-safe too."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:994
|
|
msgid ""
|
|
"Binary buffered objects (instances of :class:`BufferedReader`, :class:"
|
|
"`BufferedWriter`, :class:`BufferedRandom` and :class:`BufferedRWPair`) "
|
|
"protect their internal structures using a lock; it is therefore safe to call "
|
|
"them from multiple threads at once."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:999
|
|
msgid ":class:`TextIOWrapper` objects are not thread-safe."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:1002
|
|
msgid "Reentrancy"
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:1004
|
|
msgid ""
|
|
"Binary buffered objects (instances of :class:`BufferedReader`, :class:"
|
|
"`BufferedWriter`, :class:`BufferedRandom` and :class:`BufferedRWPair`) are "
|
|
"not reentrant. While reentrant calls will not happen in normal situations, "
|
|
"they can arise from doing I/O in a :mod:`signal` handler. If a thread tries "
|
|
"to re-enter a buffered object which it is already accessing, a :exc:"
|
|
"`RuntimeError` is raised. Note this doesn't prohibit a different thread "
|
|
"from entering the buffered object."
|
|
msgstr ""
|
|
|
|
#: ../Doc/library/io.rst:1012
|
|
msgid ""
|
|
"The above implicitly extends to text files, since the :func:`open()` "
|
|
"function will wrap a buffered object inside a :class:`TextIOWrapper`. This "
|
|
"includes standard streams and therefore affects the built-in function :func:"
|
|
"`print()` as well."
|
|
msgstr ""
|