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# SOME DESCRIPTIVE TITLE.
# Copyright (C) 2001-2025, Python Software Foundation
# This file is distributed under the same license as the Python package.
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
#
# Translators:
# python-doc bot, 2025
# Rafael Fontenelle <rffontenelle@gmail.com>, 2025
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: Python 3.13\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2025-11-19 20:20+0000\n"
"PO-Revision-Date: 2025-09-15 01:05+0000\n"
"Last-Translator: Rafael Fontenelle <rffontenelle@gmail.com>, 2025\n"
"Language-Team: Portuguese (Brazil) (https://app.transifex.com/python-doc/"
"teams/5390/pt_BR/)\n"
"Language: pt_BR\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Plural-Forms: nplurals=3; plural=(n == 0 || n == 1) ? 0 : n != 0 && n % "
"1000000 == 0 ? 1 : 2;\n"
#: ../../whatsnew/2.5.rst:3
msgid "What's New in Python 2.5"
msgstr "What's New in Python 2.5"
#: ../../whatsnew/2.5.rst:0
msgid "Author"
msgstr "Autor"
#: ../../whatsnew/2.5.rst:5
msgid "A.M. Kuchling"
msgstr "A.M. Kuchling"
#: ../../whatsnew/2.5.rst:12
msgid ""
"This article explains the new features in Python 2.5. The final release of "
"Python 2.5 is scheduled for August 2006; :pep:`356` describes the planned "
"release schedule. Python 2.5 was released on September 19, 2006."
msgstr ""
"This article explains the new features in Python 2.5. The final release of "
"Python 2.5 is scheduled for August 2006; :pep:`356` describes the planned "
"release schedule. Python 2.5 was released on September 19, 2006."
#: ../../whatsnew/2.5.rst:16
msgid ""
"The changes in Python 2.5 are an interesting mix of language and library "
"improvements. The library enhancements will be more important to Python's "
"user community, I think, because several widely useful packages were added. "
"New modules include ElementTree for XML processing (:mod:`xml.etree`), the "
"SQLite database module (:mod:`sqlite`), and the :mod:`ctypes` module for "
"calling C functions."
msgstr ""
"The changes in Python 2.5 are an interesting mix of language and library "
"improvements. The library enhancements will be more important to Python's "
"user community, I think, because several widely useful packages were added. "
"New modules include ElementTree for XML processing (:mod:`xml.etree`), the "
"SQLite database module (:mod:`sqlite`), and the :mod:`ctypes` module for "
"calling C functions."
#: ../../whatsnew/2.5.rst:23
msgid ""
"The language changes are of middling significance. Some pleasant new "
"features were added, but most of them aren't features that you'll use every "
"day. Conditional expressions were finally added to the language using a "
"novel syntax; see section :ref:`pep-308`. The new ':keyword:`with`' "
"statement will make writing cleanup code easier (section :ref:`pep-343`). "
"Values can now be passed into generators (section :ref:`pep-342`). Imports "
"are now visible as either absolute or relative (section :ref:`pep-328`). "
"Some corner cases of exception handling are handled better (section :ref:"
"`pep-341`). All these improvements are worthwhile, but they're improvements "
"to one specific language feature or another; none of them are broad "
"modifications to Python's semantics."
msgstr ""
"The language changes are of middling significance. Some pleasant new "
"features were added, but most of them aren't features that you'll use every "
"day. Conditional expressions were finally added to the language using a "
"novel syntax; see section :ref:`pep-308`. The new ':keyword:`with`' "
"statement will make writing cleanup code easier (section :ref:`pep-343`). "
"Values can now be passed into generators (section :ref:`pep-342`). Imports "
"are now visible as either absolute or relative (section :ref:`pep-328`). "
"Some corner cases of exception handling are handled better (section :ref:"
"`pep-341`). All these improvements are worthwhile, but they're improvements "
"to one specific language feature or another; none of them are broad "
"modifications to Python's semantics."
#: ../../whatsnew/2.5.rst:34
msgid ""
"As well as the language and library additions, other improvements and "
"bugfixes were made throughout the source tree. A search through the SVN "
"change logs finds there were 353 patches applied and 458 bugs fixed between "
"Python 2.4 and 2.5. (Both figures are likely to be underestimates.)"
msgstr ""
"As well as the language and library additions, other improvements and "
"bugfixes were made throughout the source tree. A search through the SVN "
"change logs finds there were 353 patches applied and 458 bugs fixed between "
"Python 2.4 and 2.5. (Both figures are likely to be underestimates.)"
#: ../../whatsnew/2.5.rst:39
msgid ""
"This article doesn't try to be a complete specification of the new features; "
"instead changes are briefly introduced using helpful examples. For full "
"details, you should always refer to the documentation for Python 2.5 at "
"https://docs.python.org. If you want to understand the complete "
"implementation and design rationale, refer to the PEP for a particular new "
"feature."
msgstr ""
"This article doesn't try to be a complete specification of the new features; "
"instead changes are briefly introduced using helpful examples. For full "
"details, you should always refer to the documentation for Python 2.5 at "
"https://docs.python.org. If you want to understand the complete "
"implementation and design rationale, refer to the PEP for a particular new "
"feature."
#: ../../whatsnew/2.5.rst:45
msgid ""
"Comments, suggestions, and error reports for this document are welcome; "
"please e-mail them to the author or open a bug in the Python bug tracker."
msgstr ""
"Comments, suggestions, and error reports for this document are welcome; "
"please e-mail them to the author or open a bug in the Python bug tracker."
#: ../../whatsnew/2.5.rst:54
msgid "PEP 308: Conditional Expressions"
msgstr "PEP 308: Conditional Expressions"
#: ../../whatsnew/2.5.rst:56
msgid ""
"For a long time, people have been requesting a way to write conditional "
"expressions, which are expressions that return value A or value B depending "
"on whether a Boolean value is true or false. A conditional expression lets "
"you write a single assignment statement that has the same effect as the "
"following::"
msgstr ""
"For a long time, people have been requesting a way to write conditional "
"expressions, which are expressions that return value A or value B depending "
"on whether a Boolean value is true or false. A conditional expression lets "
"you write a single assignment statement that has the same effect as the "
"following::"
#: ../../whatsnew/2.5.rst:61
msgid ""
"if condition:\n"
" x = true_value\n"
"else:\n"
" x = false_value"
msgstr ""
#: ../../whatsnew/2.5.rst:66
msgid ""
"There have been endless tedious discussions of syntax on both python-dev and "
"comp.lang.python. A vote was even held that found the majority of voters "
"wanted conditional expressions in some form, but there was no syntax that "
"was preferred by a clear majority. Candidates included C's ``cond ? true_v : "
"false_v``, ``if cond then true_v else false_v``, and 16 other variations."
msgstr ""
"There have been endless tedious discussions of syntax on both python-dev and "
"comp.lang.python. A vote was even held that found the majority of voters "
"wanted conditional expressions in some form, but there was no syntax that "
"was preferred by a clear majority. Candidates included C's ``cond ? true_v : "
"false_v``, ``if cond then true_v else false_v``, and 16 other variations."
#: ../../whatsnew/2.5.rst:72
msgid "Guido van Rossum eventually chose a surprising syntax::"
msgstr "Guido van Rossum eventually chose a surprising syntax::"
#: ../../whatsnew/2.5.rst:74
msgid "x = true_value if condition else false_value"
msgstr ""
#: ../../whatsnew/2.5.rst:76
msgid ""
"Evaluation is still lazy as in existing Boolean expressions, so the order of "
"evaluation jumps around a bit. The *condition* expression in the middle is "
"evaluated first, and the *true_value* expression is evaluated only if the "
"condition was true. Similarly, the *false_value* expression is only "
"evaluated when the condition is false."
msgstr ""
"Evaluation is still lazy as in existing Boolean expressions, so the order of "
"evaluation jumps around a bit. The *condition* expression in the middle is "
"evaluated first, and the *true_value* expression is evaluated only if the "
"condition was true. Similarly, the *false_value* expression is only "
"evaluated when the condition is false."
#: ../../whatsnew/2.5.rst:82
msgid ""
"This syntax may seem strange and backwards; why does the condition go in the "
"*middle* of the expression, and not in the front as in C's ``c ? x : y``? "
"The decision was checked by applying the new syntax to the modules in the "
"standard library and seeing how the resulting code read. In many cases "
"where a conditional expression is used, one value seems to be the 'common "
"case' and one value is an 'exceptional case', used only on rarer occasions "
"when the condition isn't met. The conditional syntax makes this pattern a "
"bit more obvious::"
msgstr ""
"This syntax may seem strange and backwards; why does the condition go in the "
"*middle* of the expression, and not in the front as in C's ``c ? x : y``? "
"The decision was checked by applying the new syntax to the modules in the "
"standard library and seeing how the resulting code read. In many cases "
"where a conditional expression is used, one value seems to be the 'common "
"case' and one value is an 'exceptional case', used only on rarer occasions "
"when the condition isn't met. The conditional syntax makes this pattern a "
"bit more obvious::"
#: ../../whatsnew/2.5.rst:90
msgid "contents = ((doc + '\\n') if doc else '')"
msgstr ""
#: ../../whatsnew/2.5.rst:92
msgid ""
"I read the above statement as meaning \"here *contents* is usually assigned "
"a value of ``doc+'\\n'``; sometimes *doc* is empty, in which special case "
"an empty string is returned.\" I doubt I will use conditional expressions "
"very often where there isn't a clear common and uncommon case."
msgstr ""
"I read the above statement as meaning \"here *contents* is usually assigned "
"a value of ``doc+'\\n'``; sometimes *doc* is empty, in which special case "
"an empty string is returned.\" I doubt I will use conditional expressions "
"very often where there isn't a clear common and uncommon case."
#: ../../whatsnew/2.5.rst:97
msgid ""
"There was some discussion of whether the language should require surrounding "
"conditional expressions with parentheses. The decision was made to *not* "
"require parentheses in the Python language's grammar, but as a matter of "
"style I think you should always use them. Consider these two statements::"
msgstr ""
"There was some discussion of whether the language should require surrounding "
"conditional expressions with parentheses. The decision was made to *not* "
"require parentheses in the Python language's grammar, but as a matter of "
"style I think you should always use them. Consider these two statements::"
#: ../../whatsnew/2.5.rst:102
msgid ""
"# First version -- no parens\n"
"level = 1 if logging else 0\n"
"\n"
"# Second version -- with parens\n"
"level = (1 if logging else 0)"
msgstr ""
#: ../../whatsnew/2.5.rst:108
msgid ""
"In the first version, I think a reader's eye might group the statement into "
"'level = 1', 'if logging', 'else 0', and think that the condition decides "
"whether the assignment to *level* is performed. The second version reads "
"better, in my opinion, because it makes it clear that the assignment is "
"always performed and the choice is being made between two values."
msgstr ""
"In the first version, I think a reader's eye might group the statement into "
"'level = 1', 'if logging', 'else 0', and think that the condition decides "
"whether the assignment to *level* is performed. The second version reads "
"better, in my opinion, because it makes it clear that the assignment is "
"always performed and the choice is being made between two values."
#: ../../whatsnew/2.5.rst:114
msgid ""
"Another reason for including the brackets: a few odd combinations of list "
"comprehensions and lambdas could look like incorrect conditional "
"expressions. See :pep:`308` for some examples. If you put parentheses "
"around your conditional expressions, you won't run into this case."
msgstr ""
"Another reason for including the brackets: a few odd combinations of list "
"comprehensions and lambdas could look like incorrect conditional "
"expressions. See :pep:`308` for some examples. If you put parentheses "
"around your conditional expressions, you won't run into this case."
#: ../../whatsnew/2.5.rst:122
msgid ":pep:`308` - Conditional Expressions"
msgstr ":pep:`308` - Conditional Expressions"
#: ../../whatsnew/2.5.rst:123
msgid ""
"PEP written by Guido van Rossum and Raymond D. Hettinger; implemented by "
"Thomas Wouters."
msgstr ""
"PEP written by Guido van Rossum and Raymond D. Hettinger; implemented by "
"Thomas Wouters."
#: ../../whatsnew/2.5.rst:132
msgid "PEP 309: Partial Function Application"
msgstr "PEP 309: Partial Function Application"
#: ../../whatsnew/2.5.rst:134
msgid ""
"The :mod:`functools` module is intended to contain tools for functional-"
"style programming."
msgstr ""
"The :mod:`functools` module is intended to contain tools for functional-"
"style programming."
#: ../../whatsnew/2.5.rst:137
msgid ""
"One useful tool in this module is the :func:`partial` function. For programs "
"written in a functional style, you'll sometimes want to construct variants "
"of existing functions that have some of the parameters filled in. Consider "
"a Python function ``f(a, b, c)``; you could create a new function ``g(b, "
"c)`` that was equivalent to ``f(1, b, c)``. This is called \"partial "
"function application\"."
msgstr ""
"One useful tool in this module is the :func:`partial` function. For programs "
"written in a functional style, you'll sometimes want to construct variants "
"of existing functions that have some of the parameters filled in. Consider "
"a Python function ``f(a, b, c)``; you could create a new function ``g(b, "
"c)`` that was equivalent to ``f(1, b, c)``. This is called \"partial "
"function application\"."
#: ../../whatsnew/2.5.rst:144
msgid ""
":func:`partial` takes the arguments ``(function, arg1, arg2, ... "
"kwarg1=value1, kwarg2=value2)``. The resulting object is callable, so you "
"can just call it to invoke *function* with the filled-in arguments."
msgstr ""
":func:`partial` takes the arguments ``(function, arg1, arg2, ... "
"kwarg1=value1, kwarg2=value2)``. The resulting object is callable, so you "
"can just call it to invoke *function* with the filled-in arguments."
#: ../../whatsnew/2.5.rst:148
msgid "Here's a small but realistic example::"
msgstr "Aqui está um pequeno mas bem realístico exemplo::"
#: ../../whatsnew/2.5.rst:150
msgid ""
"import functools\n"
"\n"
"def log (message, subsystem):\n"
" \"Write the contents of 'message' to the specified subsystem.\"\n"
" print '%s: %s' % (subsystem, message)\n"
" ...\n"
"\n"
"server_log = functools.partial(log, subsystem='server')\n"
"server_log('Unable to open socket')"
msgstr ""
#: ../../whatsnew/2.5.rst:160
msgid ""
"Here's another example, from a program that uses PyGTK. Here a context-"
"sensitive pop-up menu is being constructed dynamically. The callback "
"provided for the menu option is a partially applied version of the :meth:"
"`open_item` method, where the first argument has been provided. ::"
msgstr ""
"Here's another example, from a program that uses PyGTK. Here a context-"
"sensitive pop-up menu is being constructed dynamically. The callback "
"provided for the menu option is a partially applied version of the :meth:"
"`open_item` method, where the first argument has been provided. ::"
#: ../../whatsnew/2.5.rst:165
msgid ""
"...\n"
"class Application:\n"
" def open_item(self, path):\n"
" ...\n"
" def init (self):\n"
" open_func = functools.partial(self.open_item, item_path)\n"
" popup_menu.append( (\"Open\", open_func, 1) )"
msgstr ""
#: ../../whatsnew/2.5.rst:173
msgid ""
"Another function in the :mod:`functools` module is the "
"``update_wrapper(wrapper, wrapped)`` function that helps you write well-"
"behaved decorators. :func:`update_wrapper` copies the name, module, and "
"docstring attribute to a wrapper function so that tracebacks inside the "
"wrapped function are easier to understand. For example, you might write::"
msgstr ""
"Another function in the :mod:`functools` module is the "
"``update_wrapper(wrapper, wrapped)`` function that helps you write well-"
"behaved decorators. :func:`update_wrapper` copies the name, module, and "
"docstring attribute to a wrapper function so that tracebacks inside the "
"wrapped function are easier to understand. For example, you might write::"
#: ../../whatsnew/2.5.rst:179
msgid ""
"def my_decorator(f):\n"
" def wrapper(*args, **kwds):\n"
" print 'Calling decorated function'\n"
" return f(*args, **kwds)\n"
" functools.update_wrapper(wrapper, f)\n"
" return wrapper"
msgstr ""
#: ../../whatsnew/2.5.rst:186
msgid ""
":func:`wraps` is a decorator that can be used inside your own decorators to "
"copy the wrapped function's information. An alternate version of the "
"previous example would be::"
msgstr ""
":func:`wraps` is a decorator that can be used inside your own decorators to "
"copy the wrapped function's information. An alternate version of the "
"previous example would be::"
#: ../../whatsnew/2.5.rst:190
msgid ""
"def my_decorator(f):\n"
" @functools.wraps(f)\n"
" def wrapper(*args, **kwds):\n"
" print 'Calling decorated function'\n"
" return f(*args, **kwds)\n"
" return wrapper"
msgstr ""
#: ../../whatsnew/2.5.rst:200
msgid ":pep:`309` - Partial Function Application"
msgstr ":pep:`309` - Partial Function Application"
#: ../../whatsnew/2.5.rst:201
msgid ""
"PEP proposed and written by Peter Harris; implemented by Hye-Shik Chang and "
"Nick Coghlan, with adaptations by Raymond Hettinger."
msgstr ""
"PEP proposed and written by Peter Harris; implemented by Hye-Shik Chang and "
"Nick Coghlan, with adaptations by Raymond Hettinger."
#: ../../whatsnew/2.5.rst:210
msgid "PEP 314: Metadata for Python Software Packages v1.1"
msgstr "PEP 314: Metadata for Python Software Packages v1.1"
#: ../../whatsnew/2.5.rst:212
msgid ""
"Some simple dependency support was added to Distutils. The :func:`setup` "
"function now has ``requires``, ``provides``, and ``obsoletes`` keyword "
"parameters. When you build a source distribution using the ``sdist`` "
"command, the dependency information will be recorded in the :file:`PKG-INFO` "
"file."
msgstr ""
"Some simple dependency support was added to Distutils. The :func:`setup` "
"function now has ``requires``, ``provides``, and ``obsoletes`` keyword "
"parameters. When you build a source distribution using the ``sdist`` "
"command, the dependency information will be recorded in the :file:`PKG-INFO` "
"file."
#: ../../whatsnew/2.5.rst:217
msgid ""
"Another new keyword parameter is ``download_url``, which should be set to a "
"URL for the package's source code. This means it's now possible to look up "
"an entry in the package index, determine the dependencies for a package, and "
"download the required packages. ::"
msgstr ""
"Another new keyword parameter is ``download_url``, which should be set to a "
"URL for the package's source code. This means it's now possible to look up "
"an entry in the package index, determine the dependencies for a package, and "
"download the required packages. ::"
#: ../../whatsnew/2.5.rst:222
msgid ""
"VERSION = '1.0'\n"
"setup(name='PyPackage',\n"
" version=VERSION,\n"
" requires=['numarray', 'zlib (>=1.1.4)'],\n"
" obsoletes=['OldPackage']\n"
" download_url=('http://www.example.com/pypackage/dist/pkg-%s.tar.gz'\n"
" % VERSION),\n"
" )"
msgstr ""
#: ../../whatsnew/2.5.rst:231
msgid ""
"Another new enhancement to the Python package index at https://pypi.org is "
"storing source and binary archives for a package. The new :command:`upload` "
"Distutils command will upload a package to the repository."
msgstr ""
"Another new enhancement to the Python package index at https://pypi.org is "
"storing source and binary archives for a package. The new :command:`upload` "
"Distutils command will upload a package to the repository."
#: ../../whatsnew/2.5.rst:236
msgid ""
"Before a package can be uploaded, you must be able to build a distribution "
"using the :command:`sdist` Distutils command. Once that works, you can run "
"``python setup.py upload`` to add your package to the PyPI archive. "
"Optionally you can GPG-sign the package by supplying the :option:`!--sign` "
"and :option:`!--identity` options."
msgstr ""
"Before a package can be uploaded, you must be able to build a distribution "
"using the :command:`sdist` Distutils command. Once that works, you can run "
"``python setup.py upload`` to add your package to the PyPI archive. "
"Optionally you can GPG-sign the package by supplying the :option:`!--sign` "
"and :option:`!--identity` options."
#: ../../whatsnew/2.5.rst:242
msgid ""
"Package uploading was implemented by Martin von Löwis and Richard Jones."
msgstr ""
"Package uploading was implemented by Martin von Löwis and Richard Jones."
#: ../../whatsnew/2.5.rst:247
msgid ":pep:`314` - Metadata for Python Software Packages v1.1"
msgstr ":pep:`314` - Metadata for Python Software Packages v1.1"
#: ../../whatsnew/2.5.rst:248
msgid ""
"PEP proposed and written by A.M. Kuchling, Richard Jones, and Fred Drake; "
"implemented by Richard Jones and Fred Drake."
msgstr ""
"PEP proposed and written by A.M. Kuchling, Richard Jones, and Fred Drake; "
"implemented by Richard Jones and Fred Drake."
#: ../../whatsnew/2.5.rst:257
msgid "PEP 328: Absolute and Relative Imports"
msgstr "PEP 328: Absolute and Relative Imports"
#: ../../whatsnew/2.5.rst:259
msgid ""
"The simpler part of :pep:`328` was implemented in Python 2.4: parentheses "
"could now be used to enclose the names imported from a module using the "
"``from ... import ...`` statement, making it easier to import many different "
"names."
msgstr ""
"The simpler part of :pep:`328` was implemented in Python 2.4: parentheses "
"could now be used to enclose the names imported from a module using the "
"``from ... import ...`` statement, making it easier to import many different "
"names."
#: ../../whatsnew/2.5.rst:263
msgid ""
"The more complicated part has been implemented in Python 2.5: importing a "
"module can be specified to use absolute or package-relative imports. The "
"plan is to move toward making absolute imports the default in future "
"versions of Python."
msgstr ""
"The more complicated part has been implemented in Python 2.5: importing a "
"module can be specified to use absolute or package-relative imports. The "
"plan is to move toward making absolute imports the default in future "
"versions of Python."
#: ../../whatsnew/2.5.rst:267
msgid "Let's say you have a package directory like this::"
msgstr "Let's say you have a package directory like this::"
#: ../../whatsnew/2.5.rst:269
msgid ""
"pkg/\n"
"pkg/__init__.py\n"
"pkg/main.py\n"
"pkg/string.py"
msgstr ""
#: ../../whatsnew/2.5.rst:274
msgid ""
"This defines a package named :mod:`pkg` containing the :mod:`pkg.main` and :"
"mod:`pkg.string` submodules."
msgstr ""
"This defines a package named :mod:`pkg` containing the :mod:`pkg.main` and :"
"mod:`pkg.string` submodules."
#: ../../whatsnew/2.5.rst:277
msgid ""
"Consider the code in the :file:`main.py` module. What happens if it "
"executes the statement ``import string``? In Python 2.4 and earlier, it "
"will first look in the package's directory to perform a relative import, "
"finds :file:`pkg/string.py`, imports the contents of that file as the :mod:"
"`pkg.string` module, and that module is bound to the name ``string`` in the :"
"mod:`pkg.main` module's namespace."
msgstr ""
"Consider the code in the :file:`main.py` module. What happens if it "
"executes the statement ``import string``? In Python 2.4 and earlier, it "
"will first look in the package's directory to perform a relative import, "
"finds :file:`pkg/string.py`, imports the contents of that file as the :mod:"
"`pkg.string` module, and that module is bound to the name ``string`` in the :"
"mod:`pkg.main` module's namespace."
#: ../../whatsnew/2.5.rst:284
msgid ""
"That's fine if :mod:`pkg.string` was what you wanted. But what if you "
"wanted Python's standard :mod:`string` module? There's no clean way to "
"ignore :mod:`pkg.string` and look for the standard module; generally you had "
"to look at the contents of ``sys.modules``, which is slightly unclean. "
"Holger Krekel's :mod:`py.std` package provides a tidier way to perform "
"imports from the standard library, ``import py; py.std.string.join()``, but "
"that package isn't available on all Python installations."
msgstr ""
"That's fine if :mod:`pkg.string` was what you wanted. But what if you "
"wanted Python's standard :mod:`string` module? There's no clean way to "
"ignore :mod:`pkg.string` and look for the standard module; generally you had "
"to look at the contents of ``sys.modules``, which is slightly unclean. "
"Holger Krekel's :mod:`py.std` package provides a tidier way to perform "
"imports from the standard library, ``import py; py.std.string.join()``, but "
"that package isn't available on all Python installations."
#: ../../whatsnew/2.5.rst:292
msgid ""
"Reading code which relies on relative imports is also less clear, because a "
"reader may be confused about which module, :mod:`string` or :mod:`pkg."
"string`, is intended to be used. Python users soon learned not to duplicate "
"the names of standard library modules in the names of their packages' "
"submodules, but you can't protect against having your submodule's name being "
"used for a new module added in a future version of Python."
msgstr ""
"Reading code which relies on relative imports is also less clear, because a "
"reader may be confused about which module, :mod:`string` or :mod:`pkg."
"string`, is intended to be used. Python users soon learned not to duplicate "
"the names of standard library modules in the names of their packages' "
"submodules, but you can't protect against having your submodule's name being "
"used for a new module added in a future version of Python."
#: ../../whatsnew/2.5.rst:299
msgid ""
"In Python 2.5, you can switch :keyword:`import`'s behaviour to absolute "
"imports using a ``from __future__ import absolute_import`` directive. This "
"absolute-import behaviour will become the default in a future version "
"(probably Python 2.7). Once absolute imports are the default, ``import "
"string`` will always find the standard library's version. It's suggested "
"that users should begin using absolute imports as much as possible, so it's "
"preferable to begin writing ``from pkg import string`` in your code."
msgstr ""
"In Python 2.5, you can switch :keyword:`import`'s behaviour to absolute "
"imports using a ``from __future__ import absolute_import`` directive. This "
"absolute-import behaviour will become the default in a future version "
"(probably Python 2.7). Once absolute imports are the default, ``import "
"string`` will always find the standard library's version. It's suggested "
"that users should begin using absolute imports as much as possible, so it's "
"preferable to begin writing ``from pkg import string`` in your code."
#: ../../whatsnew/2.5.rst:307
msgid ""
"Relative imports are still possible by adding a leading period to the "
"module name when using the ``from ... import`` form::"
msgstr ""
"Relative imports are still possible by adding a leading period to the "
"module name when using the ``from ... import`` form::"
#: ../../whatsnew/2.5.rst:310
msgid ""
"# Import names from pkg.string\n"
"from .string import name1, name2\n"
"# Import pkg.string\n"
"from . import string"
msgstr ""
#: ../../whatsnew/2.5.rst:315
msgid ""
"This imports the :mod:`string` module relative to the current package, so "
"in :mod:`pkg.main` this will import *name1* and *name2* from :mod:`pkg."
"string`. Additional leading periods perform the relative import starting "
"from the parent of the current package. For example, code in the :mod:`A.B."
"C` module can do::"
msgstr ""
"This imports the :mod:`string` module relative to the current package, so "
"in :mod:`pkg.main` this will import *name1* and *name2* from :mod:`pkg."
"string`. Additional leading periods perform the relative import starting "
"from the parent of the current package. For example, code in the :mod:`A.B."
"C` module can do::"
#: ../../whatsnew/2.5.rst:320
msgid ""
"from . import D # Imports A.B.D\n"
"from .. import E # Imports A.E\n"
"from ..F import G # Imports A.F.G"
msgstr ""
#: ../../whatsnew/2.5.rst:324
msgid ""
"Leading periods cannot be used with the ``import modname`` form of the "
"import statement, only the ``from ... import`` form."
msgstr ""
"Leading periods cannot be used with the ``import modname`` form of the "
"import statement, only the ``from ... import`` form."
#: ../../whatsnew/2.5.rst:330
msgid ":pep:`328` - Imports: Multi-Line and Absolute/Relative"
msgstr ":pep:`328` - Importações: Multilinha e absoluta/relativa"
#: ../../whatsnew/2.5.rst:331
msgid "PEP written by Aahz; implemented by Thomas Wouters."
msgstr "PEP written by Aahz; implemented by Thomas Wouters."
#: ../../whatsnew/2.5.rst:333
msgid "https://pylib.readthedocs.io/"
msgstr "https://pylib.readthedocs.io/"
#: ../../whatsnew/2.5.rst:334
msgid ""
"The py library by Holger Krekel, which contains the :mod:`py.std` package."
msgstr ""
"The py library by Holger Krekel, which contains the :mod:`py.std` package."
#: ../../whatsnew/2.5.rst:342
msgid "PEP 338: Executing Modules as Scripts"
msgstr "PEP 338: Executing Modules as Scripts"
#: ../../whatsnew/2.5.rst:344
msgid ""
"The :option:`-m` switch added in Python 2.4 to execute a module as a script "
"gained a few more abilities. Instead of being implemented in C code inside "
"the Python interpreter, the switch now uses an implementation in a new "
"module, :mod:`runpy`."
msgstr ""
"The :option:`-m` switch added in Python 2.4 to execute a module as a script "
"gained a few more abilities. Instead of being implemented in C code inside "
"the Python interpreter, the switch now uses an implementation in a new "
"module, :mod:`runpy`."
#: ../../whatsnew/2.5.rst:349
msgid ""
"The :mod:`runpy` module implements a more sophisticated import mechanism so "
"that it's now possible to run modules in a package such as :mod:`pychecker."
"checker`. The module also supports alternative import mechanisms such as "
"the :mod:`zipimport` module. This means you can add a .zip archive's path "
"to ``sys.path`` and then use the :option:`-m` switch to execute code from "
"the archive."
msgstr ""
"The :mod:`runpy` module implements a more sophisticated import mechanism so "
"that it's now possible to run modules in a package such as :mod:`pychecker."
"checker`. The module also supports alternative import mechanisms such as "
"the :mod:`zipimport` module. This means you can add a .zip archive's path "
"to ``sys.path`` and then use the :option:`-m` switch to execute code from "
"the archive."
#: ../../whatsnew/2.5.rst:359
msgid ":pep:`338` - Executing modules as scripts"
msgstr ":pep:`338` - Executing modules as scripts"
#: ../../whatsnew/2.5.rst:360
msgid "PEP written and implemented by Nick Coghlan."
msgstr "PEP written and implemented by Nick Coghlan."
#: ../../whatsnew/2.5.rst:368
msgid "PEP 341: Unified try/except/finally"
msgstr "PEP 341: Unified try/except/finally"
#: ../../whatsnew/2.5.rst:370
msgid ""
"Until Python 2.5, the :keyword:`try` statement came in two flavours. You "
"could use a :keyword:`finally` block to ensure that code is always executed, "
"or one or more :keyword:`except` blocks to catch specific exceptions. You "
"couldn't combine both :keyword:`!except` blocks and a :keyword:`!finally` "
"block, because generating the right bytecode for the combined version was "
"complicated and it wasn't clear what the semantics of the combined statement "
"should be."
msgstr ""
"Until Python 2.5, the :keyword:`try` statement came in two flavours. You "
"could use a :keyword:`finally` block to ensure that code is always executed, "
"or one or more :keyword:`except` blocks to catch specific exceptions. You "
"couldn't combine both :keyword:`!except` blocks and a :keyword:`!finally` "
"block, because generating the right bytecode for the combined version was "
"complicated and it wasn't clear what the semantics of the combined statement "
"should be."
#: ../../whatsnew/2.5.rst:377
msgid ""
"Guido van Rossum spent some time working with Java, which does support the "
"equivalent of combining :keyword:`except` blocks and a :keyword:`finally` "
"block, and this clarified what the statement should mean. In Python 2.5, "
"you can now write::"
msgstr ""
"Guido van Rossum spent some time working with Java, which does support the "
"equivalent of combining :keyword:`except` blocks and a :keyword:`finally` "
"block, and this clarified what the statement should mean. In Python 2.5, "
"you can now write::"
#: ../../whatsnew/2.5.rst:382
msgid ""
"try:\n"
" block-1 ...\n"
"except Exception1:\n"
" handler-1 ...\n"
"except Exception2:\n"
" handler-2 ...\n"
"else:\n"
" else-block\n"
"finally:\n"
" final-block"
msgstr ""
#: ../../whatsnew/2.5.rst:393
msgid ""
"The code in *block-1* is executed. If the code raises an exception, the "
"various :keyword:`except` blocks are tested: if the exception is of class :"
"class:`Exception1`, *handler-1* is executed; otherwise if it's of class :"
"class:`Exception2`, *handler-2* is executed, and so forth. If no exception "
"is raised, the *else-block* is executed."
msgstr ""
"The code in *block-1* is executed. If the code raises an exception, the "
"various :keyword:`except` blocks are tested: if the exception is of class :"
"class:`Exception1`, *handler-1* is executed; otherwise if it's of class :"
"class:`Exception2`, *handler-2* is executed, and so forth. If no exception "
"is raised, the *else-block* is executed."
#: ../../whatsnew/2.5.rst:399
msgid ""
"No matter what happened previously, the *final-block* is executed once the "
"code block is complete and any raised exceptions handled. Even if there's an "
"error in an exception handler or the *else-block* and a new exception is "
"raised, the code in the *final-block* is still run."
msgstr ""
"No matter what happened previously, the *final-block* is executed once the "
"code block is complete and any raised exceptions handled. Even if there's an "
"error in an exception handler or the *else-block* and a new exception is "
"raised, the code in the *final-block* is still run."
#: ../../whatsnew/2.5.rst:407
msgid ":pep:`341` - Unifying try-except and try-finally"
msgstr ":pep:`341` - Unifying try-except and try-finally"
#: ../../whatsnew/2.5.rst:408
msgid "PEP written by Georg Brandl; implementation by Thomas Lee."
msgstr "PEP written by Georg Brandl; implementation by Thomas Lee."
#: ../../whatsnew/2.5.rst:416
msgid "PEP 342: New Generator Features"
msgstr "PEP 342: New Generator Features"
#: ../../whatsnew/2.5.rst:418
msgid ""
"Python 2.5 adds a simple way to pass values *into* a generator. As "
"introduced in Python 2.3, generators only produce output; once a generator's "
"code was invoked to create an iterator, there was no way to pass any new "
"information into the function when its execution is resumed. Sometimes the "
"ability to pass in some information would be useful. Hackish solutions to "
"this include making the generator's code look at a global variable and then "
"changing the global variable's value, or passing in some mutable object that "
"callers then modify."
msgstr ""
"Python 2.5 adds a simple way to pass values *into* a generator. As "
"introduced in Python 2.3, generators only produce output; once a generator's "
"code was invoked to create an iterator, there was no way to pass any new "
"information into the function when its execution is resumed. Sometimes the "
"ability to pass in some information would be useful. Hackish solutions to "
"this include making the generator's code look at a global variable and then "
"changing the global variable's value, or passing in some mutable object that "
"callers then modify."
#: ../../whatsnew/2.5.rst:426
msgid "To refresh your memory of basic generators, here's a simple example::"
msgstr "To refresh your memory of basic generators, here's a simple example::"
#: ../../whatsnew/2.5.rst:428
msgid ""
"def counter (maximum):\n"
" i = 0\n"
" while i < maximum:\n"
" yield i\n"
" i += 1"
msgstr ""
#: ../../whatsnew/2.5.rst:434
msgid ""
"When you call ``counter(10)``, the result is an iterator that returns the "
"values from 0 up to 9. On encountering the :keyword:`yield` statement, the "
"iterator returns the provided value and suspends the function's execution, "
"preserving the local variables. Execution resumes on the following call to "
"the iterator's :meth:`next` method, picking up after the :keyword:`!yield` "
"statement."
msgstr ""
"When you call ``counter(10)``, the result is an iterator that returns the "
"values from 0 up to 9. On encountering the :keyword:`yield` statement, the "
"iterator returns the provided value and suspends the function's execution, "
"preserving the local variables. Execution resumes on the following call to "
"the iterator's :meth:`next` method, picking up after the :keyword:`!yield` "
"statement."
#: ../../whatsnew/2.5.rst:440
msgid ""
"In Python 2.3, :keyword:`yield` was a statement; it didn't return any "
"value. In 2.5, :keyword:`!yield` is now an expression, returning a value "
"that can be assigned to a variable or otherwise operated on::"
msgstr ""
"In Python 2.3, :keyword:`yield` was a statement; it didn't return any "
"value. In 2.5, :keyword:`!yield` is now an expression, returning a value "
"that can be assigned to a variable or otherwise operated on::"
#: ../../whatsnew/2.5.rst:444
msgid "val = (yield i)"
msgstr "val = (yield i)"
#: ../../whatsnew/2.5.rst:446
msgid ""
"I recommend that you always put parentheses around a :keyword:`yield` "
"expression when you're doing something with the returned value, as in the "
"above example. The parentheses aren't always necessary, but it's easier to "
"always add them instead of having to remember when they're needed."
msgstr ""
"I recommend that you always put parentheses around a :keyword:`yield` "
"expression when you're doing something with the returned value, as in the "
"above example. The parentheses aren't always necessary, but it's easier to "
"always add them instead of having to remember when they're needed."
#: ../../whatsnew/2.5.rst:451
msgid ""
"(:pep:`342` explains the exact rules, which are that a :keyword:`yield`\\ -"
"expression must always be parenthesized except when it occurs at the top-"
"level expression on the right-hand side of an assignment. This means you "
"can write ``val = yield i`` but have to use parentheses when there's an "
"operation, as in ``val = (yield i) + 12``.)"
msgstr ""
"(:pep:`342` explains the exact rules, which are that a :keyword:`yield`\\ -"
"expression must always be parenthesized except when it occurs at the top-"
"level expression on the right-hand side of an assignment. This means you "
"can write ``val = yield i`` but have to use parentheses when there's an "
"operation, as in ``val = (yield i) + 12``.)"
#: ../../whatsnew/2.5.rst:458
msgid ""
"Values are sent into a generator by calling its ``send(value)`` method. The "
"generator's code is then resumed and the :keyword:`yield` expression returns "
"the specified *value*. If the regular :meth:`next` method is called, the :"
"keyword:`!yield` returns :const:`None`."
msgstr ""
"Values are sent into a generator by calling its ``send(value)`` method. The "
"generator's code is then resumed and the :keyword:`yield` expression returns "
"the specified *value*. If the regular :meth:`next` method is called, the :"
"keyword:`!yield` returns :const:`None`."
#: ../../whatsnew/2.5.rst:463
msgid ""
"Here's the previous example, modified to allow changing the value of the "
"internal counter. ::"
msgstr ""
"Here's the previous example, modified to allow changing the value of the "
"internal counter. ::"
#: ../../whatsnew/2.5.rst:466
msgid ""
"def counter (maximum):\n"
" i = 0\n"
" while i < maximum:\n"
" val = (yield i)\n"
" # If value provided, change counter\n"
" if val is not None:\n"
" i = val\n"
" else:\n"
" i += 1"
msgstr ""
#: ../../whatsnew/2.5.rst:476
msgid "And here's an example of changing the counter::"
msgstr "And here's an example of changing the counter::"
#: ../../whatsnew/2.5.rst:478
msgid ""
">>> it = counter(10)\n"
">>> print it.next()\n"
"0\n"
">>> print it.next()\n"
"1\n"
">>> print it.send(8)\n"
"8\n"
">>> print it.next()\n"
"9\n"
">>> print it.next()\n"
"Traceback (most recent call last):\n"
" File \"t.py\", line 15, in ?\n"
" print it.next()\n"
"StopIteration"
msgstr ""
#: ../../whatsnew/2.5.rst:493
msgid ""
":keyword:`yield` will usually return :const:`None`, so you should always "
"check for this case. Don't just use its value in expressions unless you're "
"sure that the :meth:`send` method will be the only method used to resume "
"your generator function."
msgstr ""
":keyword:`yield` will usually return :const:`None`, so you should always "
"check for this case. Don't just use its value in expressions unless you're "
"sure that the :meth:`send` method will be the only method used to resume "
"your generator function."
#: ../../whatsnew/2.5.rst:498
msgid ""
"In addition to :meth:`send`, there are two other new methods on generators:"
msgstr ""
"In addition to :meth:`send`, there are two other new methods on generators:"
#: ../../whatsnew/2.5.rst:500
msgid ""
"``throw(type, value=None, traceback=None)`` is used to raise an exception "
"inside the generator; the exception is raised by the :keyword:`yield` "
"expression where the generator's execution is paused."
msgstr ""
"``throw(type, value=None, traceback=None)`` is used to raise an exception "
"inside the generator; the exception is raised by the :keyword:`yield` "
"expression where the generator's execution is paused."
#: ../../whatsnew/2.5.rst:504
msgid ""
":meth:`close` raises a new :exc:`GeneratorExit` exception inside the "
"generator to terminate the iteration. On receiving this exception, the "
"generator's code must either raise :exc:`GeneratorExit` or :exc:"
"`StopIteration`. Catching the :exc:`GeneratorExit` exception and returning "
"a value is illegal and will trigger a :exc:`RuntimeError`; if the function "
"raises some other exception, that exception is propagated to the caller. :"
"meth:`close` will also be called by Python's garbage collector when the "
"generator is garbage-collected."
msgstr ""
":meth:`close` raises a new :exc:`GeneratorExit` exception inside the "
"generator to terminate the iteration. On receiving this exception, the "
"generator's code must either raise :exc:`GeneratorExit` or :exc:"
"`StopIteration`. Catching the :exc:`GeneratorExit` exception and returning "
"a value is illegal and will trigger a :exc:`RuntimeError`; if the function "
"raises some other exception, that exception is propagated to the caller. :"
"meth:`close` will also be called by Python's garbage collector when the "
"generator is garbage-collected."
#: ../../whatsnew/2.5.rst:512
msgid ""