python-docs-fr/library/shlex.po

# Copyright (C) 2001-2018, Python Software Foundation
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#
msgid ""
msgstr ""
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#: library/shlex.rst:2
msgid ":mod:`shlex` --- Simple lexical analysis"
msgstr ""

#: library/shlex.rst:12
msgid "**Source code:** :source:`Lib/shlex.py`"
msgstr "**Code source :** :source:`Lib/shlex.py`"

#: library/shlex.rst:16
msgid ""
"The :class:`~shlex.shlex` class makes it easy to write lexical analyzers for "
"simple syntaxes resembling that of the Unix shell.  This will often be "
"useful for writing minilanguages, (for example, in run control files for "
"Python applications) or for parsing quoted strings."
msgstr ""

#: library/shlex.rst:21
#, fuzzy
msgid "The :mod:`shlex` module defines the following functions:"
msgstr "Le module :mod:`binhex` définit les fonctions suivantes :"

#: library/shlex.rst:26
msgid ""
"Split the string *s* using shell-like syntax. If *comments* is :const:"
"`False` (the default), the parsing of comments in the given string will be "
"disabled (setting the :attr:`~shlex.commenters` attribute of the :class:"
"`~shlex.shlex` instance to the empty string).  This function operates in "
"POSIX mode by default, but uses non-POSIX mode if the *posix* argument is "
"false."
msgstr ""

#: library/shlex.rst:35
msgid ""
"Since the :func:`split` function instantiates a :class:`~shlex.shlex` "
"instance, passing ``None`` for *s* will read the string to split from "
"standard input."
msgstr ""

#: library/shlex.rst:39
msgid ""
"Passing ``None`` for *s* will raise an exception in future Python versions."
msgstr ""

#: library/shlex.rst:45
msgid ""
"Concatenate the tokens of the list *split_command* and return a string. This "
"function is the inverse of :func:`split`."
msgstr ""

#: library/shlex.rst:52
msgid ""
"The returned value is shell-escaped to protect against injection "
"vulnerabilities (see :func:`quote`)."
msgstr ""

#: library/shlex.rst:60
msgid ""
"Return a shell-escaped version of the string *s*.  The returned value is a "
"string that can safely be used as one token in a shell command line, for "
"cases where you cannot use a list."
msgstr ""

#: library/shlex.rst:68
msgid "The ``shlex`` module is **only designed for Unix shells**."
msgstr ""

#: library/shlex.rst:70
msgid ""
"The :func:`quote` function is not guaranteed to be correct on non-POSIX "
"compliant shells or shells from other operating systems such as Windows. "
"Executing commands quoted by this module on such shells can open up the "
"possibility of a command injection vulnerability."
msgstr ""

#: library/shlex.rst:75
msgid ""
"Consider using functions that pass command arguments with lists such as :"
"func:`subprocess.run` with ``shell=False``."
msgstr ""

#: library/shlex.rst:78
msgid "This idiom would be unsafe:"
msgstr ""

#: library/shlex.rst:85
msgid ":func:`quote` lets you plug the security hole:"
msgstr ""

#: library/shlex.rst:95
msgid "The quoting is compatible with UNIX shells and with :func:`split`:"
msgstr ""

#: library/shlex.rst:107
#, fuzzy
msgid "The :mod:`shlex` module defines the following class:"
msgstr "Le module :mod:`csv` définit les classes suivantes :"

#: library/shlex.rst:112
msgid ""
"A :class:`~shlex.shlex` instance or subclass instance is a lexical analyzer "
"object.  The initialization argument, if present, specifies where to read "
"characters from.  It must be a file-/stream-like object with :meth:`~io."
"TextIOBase.read` and :meth:`~io.TextIOBase.readline` methods, or a string.  "
"If no argument is given, input will be taken from ``sys.stdin``. The second "
"optional argument is a filename string, which sets the initial value of the :"
"attr:`~shlex.infile` attribute.  If the *instream* argument is omitted or "
"equal to ``sys.stdin``, this second argument defaults to \"stdin\".  The "
"*posix* argument defines the operational mode: when *posix* is not true "
"(default), the :class:`~shlex.shlex` instance will operate in compatibility "
"mode.  When operating in POSIX mode, :class:`~shlex.shlex` will try to be as "
"close as possible to the POSIX shell parsing rules.  The *punctuation_chars* "
"argument provides a way to make the behaviour even closer to how real shells "
"parse.  This can take a number of values: the default value, ``False``, "
"preserves the behaviour seen under Python 3.5 and earlier.  If set to "
"``True``, then parsing of the characters ``();<>|&`` is changed: any run of "
"these characters (considered punctuation characters) is returned as a single "
"token.  If set to a non-empty string of characters, those characters will be "
"used as the punctuation characters.  Any characters in the :attr:`wordchars` "
"attribute that appear in *punctuation_chars* will be removed from :attr:"
"`wordchars`.  See :ref:`improved-shell-compatibility` for more information. "
"*punctuation_chars* can be set only upon :class:`~shlex.shlex` instance "
"creation and can't be modified later."
msgstr ""

#: library/shlex.rst:137
msgid "The *punctuation_chars* parameter was added."
msgstr ""

#: library/shlex.rst:142
msgid "Module :mod:`configparser`"
msgstr ""

#: library/shlex.rst:143
msgid ""
"Parser for configuration files similar to the Windows :file:`.ini` files."
msgstr ""

#: library/shlex.rst:149
msgid "shlex Objects"
msgstr ""

#: library/shlex.rst:151
msgid "A :class:`~shlex.shlex` instance has the following methods:"
msgstr ""

#: library/shlex.rst:156
msgid ""
"Return a token.  If tokens have been stacked using :meth:`push_token`, pop a "
"token off the stack.  Otherwise, read one from the input stream.  If reading "
"encounters an immediate end-of-file, :attr:`eof` is returned (the empty "
"string (``''``) in non-POSIX mode, and ``None`` in POSIX mode)."
msgstr ""

#: library/shlex.rst:164
msgid "Push the argument onto the token stack."
msgstr ""

#: library/shlex.rst:169
msgid ""
"Read a raw token.  Ignore the pushback stack, and do not interpret source "
"requests.  (This is not ordinarily a useful entry point, and is documented "
"here only for the sake of completeness.)"
msgstr ""

#: library/shlex.rst:176
msgid ""
"When :class:`~shlex.shlex` detects a source request (see :attr:`source` "
"below) this method is given the following token as argument, and expected to "
"return a tuple consisting of a filename and an open file-like object."
msgstr ""

#: library/shlex.rst:180
msgid ""
"Normally, this method first strips any quotes off the argument.  If the "
"result is an absolute pathname, or there was no previous source request in "
"effect, or the previous source was a stream (such as ``sys.stdin``), the "
"result is left alone.  Otherwise, if the result is a relative pathname, the "
"directory part of the name of the file immediately before it on the source "
"inclusion stack is prepended (this behavior is like the way the C "
"preprocessor handles ``#include \"file.h\"``)."
msgstr ""

#: library/shlex.rst:188
msgid ""
"The result of the manipulations is treated as a filename, and returned as "
"the first component of the tuple, with :func:`open` called on it to yield "
"the second component. (Note: this is the reverse of the order of arguments "
"in instance initialization!)"
msgstr ""

#: library/shlex.rst:193
msgid ""
"This hook is exposed so that you can use it to implement directory search "
"paths, addition of file extensions, and other namespace hacks. There is no "
"corresponding 'close' hook, but a shlex instance will call the :meth:`~io."
"IOBase.close` method of the sourced input stream when it returns EOF."
msgstr ""

#: library/shlex.rst:199
msgid ""
"For more explicit control of source stacking, use the :meth:`push_source` "
"and :meth:`pop_source` methods."
msgstr ""

#: library/shlex.rst:205
msgid ""
"Push an input source stream onto the input stack.  If the filename argument "
"is specified it will later be available for use in error messages.  This is "
"the same method used internally by the :meth:`sourcehook` method."
msgstr ""

#: library/shlex.rst:212
msgid ""
"Pop the last-pushed input source from the input stack. This is the same "
"method used internally when the lexer reaches EOF on a stacked input stream."
msgstr ""

#: library/shlex.rst:218
msgid ""
"This method generates an error message leader in the format of a Unix C "
"compiler error label; the format is ``'\"%s\", line %d: '``, where the "
"``%s`` is replaced with the name of the current source file and the ``%d`` "
"with the current input line number (the optional arguments can be used to "
"override these)."
msgstr ""

#: library/shlex.rst:223
msgid ""
"This convenience is provided to encourage :mod:`shlex` users to generate "
"error messages in the standard, parseable format understood by Emacs and "
"other Unix tools."
msgstr ""

#: library/shlex.rst:227
msgid ""
"Instances of :class:`~shlex.shlex` subclasses have some public instance "
"variables which either control lexical analysis or can be used for debugging:"
msgstr ""

#: library/shlex.rst:233
msgid ""
"The string of characters that are recognized as comment beginners. All "
"characters from the comment beginner to end of line are ignored. Includes "
"just ``'#'`` by default."
msgstr ""

#: library/shlex.rst:240
msgid ""
"The string of characters that will accumulate into multi-character tokens.  "
"By default, includes all ASCII alphanumerics and underscore.  In POSIX mode, "
"the accented characters in the Latin-1 set are also included.  If :attr:"
"`punctuation_chars` is not empty, the characters ``~-./*?=``, which can "
"appear in filename specifications and command line parameters, will also be "
"included in this attribute, and any characters which appear in "
"``punctuation_chars`` will be removed from ``wordchars`` if they are present "
"there. If :attr:`whitespace_split` is set to ``True``, this will have no "
"effect."
msgstr ""

#: library/shlex.rst:253
msgid ""
"Characters that will be considered whitespace and skipped.  Whitespace "
"bounds tokens.  By default, includes space, tab, linefeed and carriage-"
"return."
msgstr ""

#: library/shlex.rst:259
msgid ""
"Characters that will be considered as escape. This will be only used in "
"POSIX mode, and includes just ``'\\'`` by default."
msgstr ""

#: library/shlex.rst:265
msgid ""
"Characters that will be considered string quotes.  The token accumulates "
"until the same quote is encountered again (thus, different quote types "
"protect each other as in the shell.)  By default, includes ASCII single and "
"double quotes."
msgstr ""

#: library/shlex.rst:272
msgid ""
"Characters in :attr:`quotes` that will interpret escape characters defined "
"in :attr:`escape`.  This is only used in POSIX mode, and includes just "
"``'\"'`` by default."
msgstr ""

#: library/shlex.rst:279
msgid ""
"If ``True``, tokens will only be split in whitespaces.  This is useful, for "
"example, for parsing command lines with :class:`~shlex.shlex`, getting "
"tokens in a similar way to shell arguments.  When used in combination with :"
"attr:`punctuation_chars`, tokens will be split on whitespace in addition to "
"those characters."
msgstr ""

#: library/shlex.rst:285
msgid ""
"The :attr:`punctuation_chars` attribute was made compatible with the :attr:"
"`whitespace_split` attribute."
msgstr ""

#: library/shlex.rst:292
msgid ""
"The name of the current input file, as initially set at class instantiation "
"time or stacked by later source requests.  It may be useful to examine this "
"when constructing error messages."
msgstr ""

#: library/shlex.rst:299
msgid ""
"The input stream from which this :class:`~shlex.shlex` instance is reading "
"characters."
msgstr ""

#: library/shlex.rst:305
msgid ""
"This attribute is ``None`` by default.  If you assign a string to it, that "
"string will be recognized as a lexical-level inclusion request similar to "
"the ``source`` keyword in various shells.  That is, the immediately "
"following token will be opened as a filename and input will be taken from "
"that stream until EOF, at which point the :meth:`~io.IOBase.close` method of "
"that stream will be called and the input source will again become the "
"original input stream.  Source requests may be stacked any number of levels "
"deep."
msgstr ""

#: library/shlex.rst:316
msgid ""
"If this attribute is numeric and ``1`` or more, a :class:`~shlex.shlex` "
"instance will print verbose progress output on its behavior.  If you need to "
"use this, you can read the module source code to learn the details."
msgstr ""

#: library/shlex.rst:323
msgid "Source line number (count of newlines seen so far plus one)."
msgstr ""

#: library/shlex.rst:328
msgid ""
"The token buffer.  It may be useful to examine this when catching exceptions."
msgstr ""

#: library/shlex.rst:333
msgid ""
"Token used to determine end of file. This will be set to the empty string "
"(``''``), in non-POSIX mode, and to ``None`` in POSIX mode."
msgstr ""

#: library/shlex.rst:339
msgid ""
"A read-only property. Characters that will be considered punctuation. Runs "
"of punctuation characters will be returned as a single token. However, note "
"that no semantic validity checking will be performed: for example, '>>>' "
"could be returned as a token, even though it may not be recognised as such "
"by shells."
msgstr ""

#: library/shlex.rst:350
msgid "Parsing Rules"
msgstr ""

#: library/shlex.rst:352
msgid ""
"When operating in non-POSIX mode, :class:`~shlex.shlex` will try to obey to "
"the following rules."
msgstr ""

#: library/shlex.rst:355
msgid ""
"Quote characters are not recognized within words (``Do\"Not\"Separate`` is "
"parsed as the single word ``Do\"Not\"Separate``);"
msgstr ""

#: library/shlex.rst:358
msgid "Escape characters are not recognized;"
msgstr ""

#: library/shlex.rst:360
msgid ""
"Enclosing characters in quotes preserve the literal value of all characters "
"within the quotes;"
msgstr ""

#: library/shlex.rst:363
msgid ""
"Closing quotes separate words (``\"Do\"Separate`` is parsed as ``\"Do\"`` "
"and ``Separate``);"
msgstr ""

#: library/shlex.rst:366
msgid ""
"If :attr:`~shlex.whitespace_split` is ``False``, any character not declared "
"to be a word character, whitespace, or a quote will be returned as a single-"
"character token. If it is ``True``, :class:`~shlex.shlex` will only split "
"words in whitespaces;"
msgstr ""

#: library/shlex.rst:371
msgid "EOF is signaled with an empty string (``''``);"
msgstr ""

#: library/shlex.rst:373
msgid "It's not possible to parse empty strings, even if quoted."
msgstr ""

#: library/shlex.rst:375
msgid ""
"When operating in POSIX mode, :class:`~shlex.shlex` will try to obey to the "
"following parsing rules."
msgstr ""

#: library/shlex.rst:378
msgid ""
"Quotes are stripped out, and do not separate words "
"(``\"Do\"Not\"Separate\"`` is parsed as the single word ``DoNotSeparate``);"
msgstr ""

#: library/shlex.rst:381
msgid ""
"Non-quoted escape characters (e.g. ``'\\'``) preserve the literal value of "
"the next character that follows;"
msgstr ""

#: library/shlex.rst:384
msgid ""
"Enclosing characters in quotes which are not part of :attr:`~shlex."
"escapedquotes` (e.g. ``\"'\"``) preserve the literal value of all characters "
"within the quotes;"
msgstr ""

#: library/shlex.rst:388
msgid ""
"Enclosing characters in quotes which are part of :attr:`~shlex."
"escapedquotes` (e.g. ``'\"'``) preserves the literal value of all characters "
"within the quotes, with the exception of the characters mentioned in :attr:"
"`~shlex.escape`.  The escape characters retain its special meaning only when "
"followed by the quote in use, or the escape character itself. Otherwise the "
"escape character will be considered a normal character."
msgstr ""

#: library/shlex.rst:396
msgid "EOF is signaled with a :const:`None` value;"
msgstr ""

#: library/shlex.rst:398
msgid "Quoted empty strings (``''``) are allowed."
msgstr ""

#: library/shlex.rst:403
msgid "Improved Compatibility with Shells"
msgstr ""

#: library/shlex.rst:407
msgid ""
"The :class:`shlex` class provides compatibility with the parsing performed "
"by common Unix shells like ``bash``, ``dash``, and ``sh``.  To take "
"advantage of this compatibility, specify the ``punctuation_chars`` argument "
"in the constructor.  This defaults to ``False``, which preserves pre-3.6 "
"behaviour. However, if it is set to ``True``, then parsing of the characters "
"``();<>|&`` is changed: any run of these characters is returned as a single "
"token.  While this is short of a full parser for shells (which would be out "
"of scope for the standard library, given the multiplicity of shells out "
"there), it does allow you to perform processing of command lines more easily "
"than you could otherwise.  To illustrate, you can see the difference in the "
"following snippet:"
msgstr ""

#: library/shlex.rst:433
msgid ""
"Of course, tokens will be returned which are not valid for shells, and "
"you'll need to implement your own error checks on the returned tokens."
msgstr ""

#: library/shlex.rst:436
msgid ""
"Instead of passing ``True`` as the value for the punctuation_chars "
"parameter, you can pass a string with specific characters, which will be "
"used to determine which characters constitute punctuation. For example::"
msgstr ""

#: library/shlex.rst:445
msgid ""
"When ``punctuation_chars`` is specified, the :attr:`~shlex.wordchars` "
"attribute is augmented with the characters ``~-./*?=``.  That is because "
"these characters can appear in file names (including wildcards) and command-"
"line arguments (e.g. ``--color=auto``). Hence::"
msgstr ""

#: library/shlex.rst:456
msgid ""
"However, to match the shell as closely as possible, it is recommended to "
"always use ``posix`` and :attr:`~shlex.whitespace_split` when using :attr:"
"`~shlex.punctuation_chars`, which will negate :attr:`~shlex.wordchars` "
"entirely."
msgstr ""

#: library/shlex.rst:461
msgid ""
"For best effect, ``punctuation_chars`` should be set in conjunction with "
"``posix=True``. (Note that ``posix=False`` is the default for :class:`~shlex."
"shlex`.)"
msgstr ""