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# SOME DESCRIPTIVE TITLE.
# Copyright (C) 2001-2017, Python Software Foundation
# This file is distributed under the same license as the Python package.
# FIRST AUTHOR <EMAIL@ADDRESS>, 2017.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: Python 3.6\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2018-05-30 09:56+0900\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <LL@li.org>\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=utf-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Generated-By: Babel 2.5.1\n"
#: ../Doc/library/ast.rst:2
msgid ":mod:`ast` --- Abstract Syntax Trees"
msgstr ""
#: ../Doc/library/ast.rst:10
msgid "**Source code:** :source:`Lib/ast.py`"
msgstr ""
#: ../Doc/library/ast.rst:14
msgid ""
"The :mod:`ast` module helps Python applications to process trees of the "
"Python abstract syntax grammar. The abstract syntax itself might change "
"with each Python release; this module helps to find out programmatically "
"what the current grammar looks like."
msgstr ""
#: ../Doc/library/ast.rst:19
msgid ""
"An abstract syntax tree can be generated by passing "
":data:`ast.PyCF_ONLY_AST` as a flag to the :func:`compile` built-in "
"function, or using the :func:`parse` helper provided in this module. The"
" result will be a tree of objects whose classes all inherit from "
":class:`ast.AST`. An abstract syntax tree can be compiled into a Python "
"code object using the built-in :func:`compile` function."
msgstr ""
#: ../Doc/library/ast.rst:27
msgid "Node classes"
msgstr ""
#: ../Doc/library/ast.rst:31
msgid ""
"This is the base of all AST node classes. The actual node classes are "
"derived from the :file:`Parser/Python.asdl` file, which is reproduced "
":ref:`below <abstract-grammar>`. They are defined in the :mod:`_ast` C "
"module and re-exported in :mod:`ast`."
msgstr ""
#: ../Doc/library/ast.rst:36
msgid ""
"There is one class defined for each left-hand side symbol in the abstract"
" grammar (for example, :class:`ast.stmt` or :class:`ast.expr`). In "
"addition, there is one class defined for each constructor on the right-"
"hand side; these classes inherit from the classes for the left-hand side "
"trees. For example, :class:`ast.BinOp` inherits from :class:`ast.expr`."
" For production rules with alternatives (aka \"sums\"), the left-hand "
"side class is abstract: only instances of specific constructor nodes are "
"ever created."
msgstr ""
#: ../Doc/library/ast.rst:46
msgid ""
"Each concrete class has an attribute :attr:`_fields` which gives the "
"names of all child nodes."
msgstr ""
#: ../Doc/library/ast.rst:49
msgid ""
"Each instance of a concrete class has one attribute for each child node, "
"of the type as defined in the grammar. For example, :class:`ast.BinOp` "
"instances have an attribute :attr:`left` of type :class:`ast.expr`."
msgstr ""
#: ../Doc/library/ast.rst:53
msgid ""
"If these attributes are marked as optional in the grammar (using a "
"question mark), the value might be ``None``. If the attributes can have "
"zero-or-more values (marked with an asterisk), the values are represented"
" as Python lists. All possible attributes must be present and have valid"
" values when compiling an AST with :func:`compile`."
msgstr ""
#: ../Doc/library/ast.rst:62
msgid ""
"Instances of :class:`ast.expr` and :class:`ast.stmt` subclasses have "
":attr:`lineno` and :attr:`col_offset` attributes. The :attr:`lineno` is "
"the line number of source text (1-indexed so the first line is line 1) "
"and the :attr:`col_offset` is the UTF-8 byte offset of the first token "
"that generated the node. The UTF-8 offset is recorded because the parser"
" uses UTF-8 internally."
msgstr ""
#: ../Doc/library/ast.rst:69
msgid "The constructor of a class :class:`ast.T` parses its arguments as follows:"
msgstr ""
#: ../Doc/library/ast.rst:71
msgid ""
"If there are positional arguments, there must be as many as there are "
"items in :attr:`T._fields`; they will be assigned as attributes of these "
"names."
msgstr ""
#: ../Doc/library/ast.rst:73
msgid ""
"If there are keyword arguments, they will set the attributes of the same "
"names to the given values."
msgstr ""
#: ../Doc/library/ast.rst:76
msgid ""
"For example, to create and populate an :class:`ast.UnaryOp` node, you "
"could use ::"
msgstr ""
#: ../Doc/library/ast.rst:88
msgid "or the more compact ::"
msgstr ""
#: ../Doc/library/ast.rst:97
msgid "Abstract Grammar"
msgstr ""
#: ../Doc/library/ast.rst:99
msgid "The abstract grammar is currently defined as follows:"
msgstr ""
#: ../Doc/library/ast.rst:106
msgid ":mod:`ast` Helpers"
msgstr ""
#: ../Doc/library/ast.rst:108
msgid ""
"Apart from the node classes, the :mod:`ast` module defines these utility "
"functions and classes for traversing abstract syntax trees:"
msgstr ""
#: ../Doc/library/ast.rst:113
msgid ""
"Parse the source into an AST node. Equivalent to ``compile(source, "
"filename, mode, ast.PyCF_ONLY_AST)``."
msgstr ""
#: ../Doc/library/ast.rst:117 ../Doc/library/ast.rst:135
msgid ""
"It is possible to crash the Python interpreter with a sufficiently "
"large/complex string due to stack depth limitations in Python's AST "
"compiler."
msgstr ""
#: ../Doc/library/ast.rst:124
msgid ""
"Safely evaluate an expression node or a string containing a Python "
"literal or container display. The string or node provided may only "
"consist of the following Python literal structures: strings, bytes, "
"numbers, tuples, lists, dicts, sets, booleans, and ``None``."
msgstr ""
#: ../Doc/library/ast.rst:129
msgid ""
"This can be used for safely evaluating strings containing Python values "
"from untrusted sources without the need to parse the values oneself. It "
"is not capable of evaluating arbitrarily complex expressions, for example"
" involving operators or indexing."
msgstr ""
#: ../Doc/library/ast.rst:139
msgid "Now allows bytes and set literals."
msgstr ""
#: ../Doc/library/ast.rst:145
msgid ""
"Return the docstring of the given *node* (which must be a "
":class:`FunctionDef`, :class:`AsyncFunctionDef`, :class:`ClassDef`, or "
":class:`Module` node), or ``None`` if it has no docstring. If *clean* is "
"true, clean up the docstring's indentation with :func:`inspect.cleandoc`."
msgstr ""
#: ../Doc/library/ast.rst:151
msgid ":class:`AsyncFunctionDef` is now supported."
msgstr ""
#: ../Doc/library/ast.rst:157
msgid ""
"When you compile a node tree with :func:`compile`, the compiler expects "
":attr:`lineno` and :attr:`col_offset` attributes for every node that "
"supports them. This is rather tedious to fill in for generated nodes, so"
" this helper adds these attributes recursively where not already set, by "
"setting them to the values of the parent node. It works recursively "
"starting at *node*."
msgstr ""
#: ../Doc/library/ast.rst:166
msgid ""
"Increment the line number of each node in the tree starting at *node* by "
"*n*. This is useful to \"move code\" to a different location in a file."
msgstr ""
#: ../Doc/library/ast.rst:172
msgid ""
"Copy source location (:attr:`lineno` and :attr:`col_offset`) from "
"*old_node* to *new_node* if possible, and return *new_node*."
msgstr ""
#: ../Doc/library/ast.rst:178
msgid ""
"Yield a tuple of ``(fieldname, value)`` for each field in "
"``node._fields`` that is present on *node*."
msgstr ""
#: ../Doc/library/ast.rst:184
msgid ""
"Yield all direct child nodes of *node*, that is, all fields that are "
"nodes and all items of fields that are lists of nodes."
msgstr ""
#: ../Doc/library/ast.rst:190
msgid ""
"Recursively yield all descendant nodes in the tree starting at *node* "
"(including *node* itself), in no specified order. This is useful if you "
"only want to modify nodes in place and don't care about the context."
msgstr ""
#: ../Doc/library/ast.rst:197
msgid ""
"A node visitor base class that walks the abstract syntax tree and calls a"
" visitor function for every node found. This function may return a value"
" which is forwarded by the :meth:`visit` method."
msgstr ""
#: ../Doc/library/ast.rst:201
msgid ""
"This class is meant to be subclassed, with the subclass adding visitor "
"methods."
msgstr ""
#: ../Doc/library/ast.rst:206
msgid ""
"Visit a node. The default implementation calls the method called "
":samp:`self.visit_{classname}` where *classname* is the name of the node "
"class, or :meth:`generic_visit` if that method doesn't exist."
msgstr ""
#: ../Doc/library/ast.rst:212
msgid "This visitor calls :meth:`visit` on all children of the node."
msgstr ""
#: ../Doc/library/ast.rst:214
msgid ""
"Note that child nodes of nodes that have a custom visitor method won't be"
" visited unless the visitor calls :meth:`generic_visit` or visits them "
"itself."
msgstr ""
#: ../Doc/library/ast.rst:218
msgid ""
"Don't use the :class:`NodeVisitor` if you want to apply changes to nodes "
"during traversal. For this a special visitor exists "
"(:class:`NodeTransformer`) that allows modifications."
msgstr ""
#: ../Doc/library/ast.rst:225
msgid ""
"A :class:`NodeVisitor` subclass that walks the abstract syntax tree and "
"allows modification of nodes."
msgstr ""
#: ../Doc/library/ast.rst:228
msgid ""
"The :class:`NodeTransformer` will walk the AST and use the return value "
"of the visitor methods to replace or remove the old node. If the return "
"value of the visitor method is ``None``, the node will be removed from "
"its location, otherwise it is replaced with the return value. The return"
" value may be the original node in which case no replacement takes place."
msgstr ""
#: ../Doc/library/ast.rst:234
msgid ""
"Here is an example transformer that rewrites all occurrences of name "
"lookups (``foo``) to ``data['foo']``::"
msgstr ""
#: ../Doc/library/ast.rst:246
msgid ""
"Keep in mind that if the node you're operating on has child nodes you "
"must either transform the child nodes yourself or call the "
":meth:`generic_visit` method for the node first."
msgstr ""
#: ../Doc/library/ast.rst:250
msgid ""
"For nodes that were part of a collection of statements (that applies to "
"all statement nodes), the visitor may also return a list of nodes rather "
"than just a single node."
msgstr ""
#: ../Doc/library/ast.rst:254
msgid "Usually you use the transformer like this::"
msgstr ""
#: ../Doc/library/ast.rst:261
msgid ""
"Return a formatted dump of the tree in *node*. This is mainly useful for"
" debugging purposes. The returned string will show the names and the "
"values for fields. This makes the code impossible to evaluate, so if "
"evaluation is wanted *annotate_fields* must be set to ``False``. "
"Attributes such as line numbers and column offsets are not dumped by "
"default. If this is wanted, *include_attributes* can be set to ``True``."
msgstr ""
#: ../Doc/library/ast.rst:270
msgid ""
"`Green Tree Snakes <https://greentreesnakes.readthedocs.io/>`_, an "
"external documentation resource, has good details on working with Python "
"ASTs."
msgstr ""
#~ msgid ""
#~ "Return the docstring of the given "
#~ "*node* (which must be a "
#~ ":class:`FunctionDef`, :class:`ClassDef` or "
#~ ":class:`Module` node), or ``None`` if it"
#~ " has no docstring. If *clean* is "
#~ "true, clean up the docstring's "
#~ "indentation with :func:`inspect.cleandoc`."
#~ msgstr ""
#~ msgid ""
#~ "`Green Tree Snakes "
#~ "<https://greentreesnakes.readthedocs.org/>`_, an external"
#~ " documentation resource, has good details"
#~ " on working with Python ASTs."
#~ msgstr ""