forked from AFPy/python-docs-fr
317 lines
11 KiB
Plaintext
317 lines
11 KiB
Plaintext
# Copyright (C) 2001-2018, Python Software Foundation
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# For licence information, see README file.
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#
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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: 2018-06-28 15:29+0200\n"
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"PO-Revision-Date: 2018-02-15 00:41+0100\n"
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"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
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"Language-Team: FRENCH <traductions@lists.afpy.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/ast.rst:2
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msgid ":mod:`ast` --- Abstract Syntax Trees"
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msgstr ":mod:`ast` --- Arbre Syntaxique Abstrait"
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#: ../Doc/library/ast.rst:10
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msgid "**Source code:** :source:`Lib/ast.py`"
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msgstr "**Code source :** :source:`Lib/ast.py`"
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#: ../Doc/library/ast.rst:14
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msgid ""
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"The :mod:`ast` module helps Python applications to process trees of the "
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"Python abstract syntax grammar. The abstract syntax itself might change "
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"with each Python release; this module helps to find out programmatically "
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"what the current grammar looks like."
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msgstr ""
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#: ../Doc/library/ast.rst:19
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msgid ""
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"An abstract syntax tree can be generated by passing :data:`ast."
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"PyCF_ONLY_AST` as a flag to the :func:`compile` built-in function, or using "
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"the :func:`parse` helper provided in this module. The result will be a tree "
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"of objects whose classes all inherit from :class:`ast.AST`. An abstract "
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"syntax tree can be compiled into a Python code object using the built-in :"
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"func:`compile` function."
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msgstr ""
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#: ../Doc/library/ast.rst:27
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msgid "Node classes"
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msgstr ""
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#: ../Doc/library/ast.rst:31
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msgid ""
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"This is the base of all AST node classes. The actual node classes are "
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"derived from the :file:`Parser/Python.asdl` file, which is reproduced :ref:"
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"`below <abstract-grammar>`. They are defined in the :mod:`_ast` C module "
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"and re-exported in :mod:`ast`."
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msgstr ""
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#: ../Doc/library/ast.rst:36
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msgid ""
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"There is one class defined for each left-hand side symbol in the abstract "
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"grammar (for example, :class:`ast.stmt` or :class:`ast.expr`). In addition, "
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"there is one class defined for each constructor on the right-hand side; "
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"these classes inherit from the classes for the left-hand side trees. For "
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"example, :class:`ast.BinOp` inherits from :class:`ast.expr`. For production "
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"rules with alternatives (aka \"sums\"), the left-hand side class is "
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"abstract: only instances of specific constructor nodes are ever created."
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msgstr ""
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#: ../Doc/library/ast.rst:46
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msgid ""
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"Each concrete class has an attribute :attr:`_fields` which gives the names "
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"of all child nodes."
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msgstr ""
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#: ../Doc/library/ast.rst:49
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msgid ""
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"Each instance of a concrete class has one attribute for each child node, of "
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"the type as defined in the grammar. For example, :class:`ast.BinOp` "
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"instances have an attribute :attr:`left` of type :class:`ast.expr`."
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msgstr ""
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#: ../Doc/library/ast.rst:53
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msgid ""
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"If these attributes are marked as optional in the grammar (using a question "
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"mark), the value might be ``None``. If the attributes can have zero-or-more "
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"values (marked with an asterisk), the values are represented as Python "
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"lists. All possible attributes must be present and have valid values when "
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"compiling an AST with :func:`compile`."
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msgstr ""
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#: ../Doc/library/ast.rst:62
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msgid ""
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"Instances of :class:`ast.expr` and :class:`ast.stmt` subclasses have :attr:"
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"`lineno` and :attr:`col_offset` attributes. The :attr:`lineno` is the line "
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"number of source text (1-indexed so the first line is line 1) and the :attr:"
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"`col_offset` is the UTF-8 byte offset of the first token that generated the "
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"node. The UTF-8 offset is recorded because the parser uses UTF-8 internally."
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msgstr ""
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#: ../Doc/library/ast.rst:69
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msgid ""
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"The constructor of a class :class:`ast.T` parses its arguments as follows:"
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msgstr ""
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#: ../Doc/library/ast.rst:71
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msgid ""
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"If there are positional arguments, there must be as many as there are items "
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"in :attr:`T._fields`; they will be assigned as attributes of these names."
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msgstr ""
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#: ../Doc/library/ast.rst:73
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msgid ""
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"If there are keyword arguments, they will set the attributes of the same "
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"names to the given values."
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msgstr ""
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#: ../Doc/library/ast.rst:76
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msgid ""
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"For example, to create and populate an :class:`ast.UnaryOp` node, you could "
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"use ::"
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msgstr ""
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#: ../Doc/library/ast.rst:88
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msgid "or the more compact ::"
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msgstr "ou, plus compact : ::"
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#: ../Doc/library/ast.rst:97
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msgid "Abstract Grammar"
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msgstr "Grammaire abstraite"
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#: ../Doc/library/ast.rst:99
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msgid "The abstract grammar is currently defined as follows:"
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msgstr ""
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#: ../Doc/library/ast.rst:106
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msgid ":mod:`ast` Helpers"
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msgstr "Outils du module :mod:`ast`"
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#: ../Doc/library/ast.rst:108
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msgid ""
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"Apart from the node classes, the :mod:`ast` module defines these utility "
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"functions and classes for traversing abstract syntax trees:"
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msgstr ""
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#: ../Doc/library/ast.rst:113
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msgid ""
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"Parse the source into an AST node. Equivalent to ``compile(source, "
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"filename, mode, ast.PyCF_ONLY_AST)``."
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msgstr ""
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#: ../Doc/library/ast.rst:117 ../Doc/library/ast.rst:135
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msgid ""
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"It is possible to crash the Python interpreter with a sufficiently large/"
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"complex string due to stack depth limitations in Python's AST compiler."
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msgstr ""
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#: ../Doc/library/ast.rst:124
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msgid ""
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"Safely evaluate an expression node or a string containing a Python literal "
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"or container display. The string or node provided may only consist of the "
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"following Python literal structures: strings, bytes, numbers, tuples, lists, "
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"dicts, sets, booleans, and ``None``."
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msgstr ""
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#: ../Doc/library/ast.rst:129
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msgid ""
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"This can be used for safely evaluating strings containing Python values from "
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"untrusted sources without the need to parse the values oneself. It is not "
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"capable of evaluating arbitrarily complex expressions, for example involving "
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"operators or indexing."
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msgstr ""
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#: ../Doc/library/ast.rst:139
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msgid "Now allows bytes and set literals."
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msgstr "Accepte maintenant les *bytes* et *sets* écrits littéralement."
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#: ../Doc/library/ast.rst:145
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msgid ""
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"Return the docstring of the given *node* (which must be a :class:"
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"`FunctionDef`, :class:`AsyncFunctionDef`, :class:`ClassDef`, or :class:"
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"`Module` node), or ``None`` if it has no docstring. If *clean* is true, "
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"clean up the docstring's indentation with :func:`inspect.cleandoc`."
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msgstr ""
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#: ../Doc/library/ast.rst:151
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msgid ":class:`AsyncFunctionDef` is now supported."
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msgstr ""
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#: ../Doc/library/ast.rst:157
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msgid ""
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"When you compile a node tree with :func:`compile`, the compiler expects :"
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"attr:`lineno` and :attr:`col_offset` attributes for every node that supports "
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"them. This is rather tedious to fill in for generated nodes, so this helper "
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"adds these attributes recursively where not already set, by setting them to "
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"the values of the parent node. It works recursively starting at *node*."
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msgstr ""
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#: ../Doc/library/ast.rst:166
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msgid ""
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"Increment the line number of each node in the tree starting at *node* by "
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"*n*. This is useful to \"move code\" to a different location in a file."
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msgstr ""
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#: ../Doc/library/ast.rst:172
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msgid ""
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"Copy source location (:attr:`lineno` and :attr:`col_offset`) from *old_node* "
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"to *new_node* if possible, and return *new_node*."
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msgstr ""
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#: ../Doc/library/ast.rst:178
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msgid ""
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"Yield a tuple of ``(fieldname, value)`` for each field in ``node._fields`` "
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"that is present on *node*."
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msgstr ""
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#: ../Doc/library/ast.rst:184
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msgid ""
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"Yield all direct child nodes of *node*, that is, all fields that are nodes "
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"and all items of fields that are lists of nodes."
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msgstr ""
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#: ../Doc/library/ast.rst:190
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msgid ""
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"Recursively yield all descendant nodes in the tree starting at *node* "
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"(including *node* itself), in no specified order. This is useful if you "
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"only want to modify nodes in place and don't care about the context."
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msgstr ""
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#: ../Doc/library/ast.rst:197
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msgid ""
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"A node visitor base class that walks the abstract syntax tree and calls a "
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"visitor function for every node found. This function may return a value "
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"which is forwarded by the :meth:`visit` method."
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msgstr ""
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#: ../Doc/library/ast.rst:201
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msgid ""
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"This class is meant to be subclassed, with the subclass adding visitor "
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"methods."
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msgstr ""
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#: ../Doc/library/ast.rst:206
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msgid ""
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"Visit a node. The default implementation calls the method called :samp:"
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"`self.visit_{classname}` where *classname* is the name of the node class, "
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"or :meth:`generic_visit` if that method doesn't exist."
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msgstr ""
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#: ../Doc/library/ast.rst:212
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msgid "This visitor calls :meth:`visit` on all children of the node."
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msgstr ""
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#: ../Doc/library/ast.rst:214
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msgid ""
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"Note that child nodes of nodes that have a custom visitor method won't be "
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"visited unless the visitor calls :meth:`generic_visit` or visits them itself."
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msgstr ""
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#: ../Doc/library/ast.rst:218
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msgid ""
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"Don't use the :class:`NodeVisitor` if you want to apply changes to nodes "
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"during traversal. For this a special visitor exists (:class:"
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"`NodeTransformer`) that allows modifications."
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msgstr ""
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#: ../Doc/library/ast.rst:225
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msgid ""
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"A :class:`NodeVisitor` subclass that walks the abstract syntax tree and "
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"allows modification of nodes."
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msgstr ""
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#: ../Doc/library/ast.rst:228
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msgid ""
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"The :class:`NodeTransformer` will walk the AST and use the return value of "
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"the visitor methods to replace or remove the old node. If the return value "
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"of the visitor method is ``None``, the node will be removed from its "
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"location, otherwise it is replaced with the return value. The return value "
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"may be the original node in which case no replacement takes place."
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msgstr ""
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#: ../Doc/library/ast.rst:234
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msgid ""
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"Here is an example transformer that rewrites all occurrences of name lookups "
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"(``foo``) to ``data['foo']``::"
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msgstr ""
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#: ../Doc/library/ast.rst:246
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msgid ""
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"Keep in mind that if the node you're operating on has child nodes you must "
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"either transform the child nodes yourself or call the :meth:`generic_visit` "
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"method for the node first."
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msgstr ""
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#: ../Doc/library/ast.rst:250
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msgid ""
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"For nodes that were part of a collection of statements (that applies to all "
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"statement nodes), the visitor may also return a list of nodes rather than "
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"just a single node."
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msgstr ""
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#: ../Doc/library/ast.rst:254
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msgid "Usually you use the transformer like this::"
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msgstr "Utilisation typique du *transformer* ::"
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#: ../Doc/library/ast.rst:261
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msgid ""
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"Return a formatted dump of the tree in *node*. This is mainly useful for "
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"debugging purposes. The returned string will show the names and the values "
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"for fields. This makes the code impossible to evaluate, so if evaluation is "
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"wanted *annotate_fields* must be set to ``False``. Attributes such as line "
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"numbers and column offsets are not dumped by default. If this is wanted, "
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"*include_attributes* can be set to ``True``."
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msgstr ""
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#: ../Doc/library/ast.rst:270
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msgid ""
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"`Green Tree Snakes <https://greentreesnakes.readthedocs.io/>`_, an external "
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"documentation resource, has good details on working with Python ASTs."
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msgstr ""
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