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‎library/devmode.po‎

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# SOME DESCRIPTIVE TITLE.
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# Copyright (C) 2001-2020, Python Software Foundation
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# This file is distributed under the same license as the Python package.
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# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
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#
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# Translators:
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# Freesand Leo <[email protected]>, 2020
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# ppcfish <[email protected]>, 2020
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#
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#, fuzzy
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msgid ""
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msgstr ""
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"Project-Id-Version: Python 3.9\n"
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"Report-Msgid-Bugs-To: \n"
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"POT-Creation-Date: 2020-05-31 09:25+0000\n"
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"PO-Revision-Date: 2020-05-31 09:29+0000\n"
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"Last-Translator: ppcfish <[email protected]>, 2020\n"
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"Language-Team: Chinese (China) (https://www.transifex.com/python-doc/teams/5390/zh_CN/)\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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"Language: zh_CN\n"
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"Plural-Forms: nplurals=1; plural=0;\n"
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#: ../../library/devmode.rst:4
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msgid "Python Development Mode"
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msgstr ""
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#: ../../library/devmode.rst:8
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msgid ""
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"The Python Development Mode introduces additional runtime checks that are "
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"too expensive to be enabled by default. It should not be more verbose than "
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"the default if the code is correct; new warnings are only emitted when an "
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"issue is detected."
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msgstr ""
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#: ../../library/devmode.rst:13
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msgid ""
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"It can be enabled using the :option:`-X dev <-X>` command line option or by "
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"setting the :envvar:`PYTHONDEVMODE` environment variable to ``1``."
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msgstr ""
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#: ../../library/devmode.rst:17
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msgid "Effects of the Python Development Mode"
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msgstr ""
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#: ../../library/devmode.rst:19
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msgid ""
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"Enabling the Python Development Mode is similar to the following command, "
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"but with additional effects described below::"
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msgstr ""
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#: ../../library/devmode.rst:24
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msgid "Effects of the Python Development Mode:"
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msgstr ""
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#: ../../library/devmode.rst:26
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msgid ""
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"Add ``default`` :ref:`warning filter <describing-warning-filters>`. The "
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"following warnings are shown:"
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msgstr ""
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#: ../../library/devmode.rst:29
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msgid ":exc:`DeprecationWarning`"
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msgstr ":exc:`DeprecationWarning`"
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#: ../../library/devmode.rst:30
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msgid ":exc:`ImportWarning`"
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msgstr ":exc:`ImportWarning`"
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#: ../../library/devmode.rst:31
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msgid ":exc:`PendingDeprecationWarning`"
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msgstr ":exc:`PendingDeprecationWarning`"
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#: ../../library/devmode.rst:32
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msgid ":exc:`ResourceWarning`"
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msgstr ":exc:`ResourceWarning`"
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#: ../../library/devmode.rst:34
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msgid ""
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"Normally, the above warnings are filtered by the default :ref:`warning "
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"filters <describing-warning-filters>`."
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msgstr ""
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#: ../../library/devmode.rst:37
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msgid ""
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"It behaves as if the :option:`-W default <-W>` command line option is used."
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msgstr ""
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#: ../../library/devmode.rst:39
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msgid ""
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"Use the :option:`-W error <-W>` command line option or set the "
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":envvar:`PYTHONWARNINGS` environment variable to ``error`` to treat warnings"
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" as errors."
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msgstr ""
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#: ../../library/devmode.rst:43
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msgid "Install debug hooks on memory allocators to check for:"
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msgstr ""
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#: ../../library/devmode.rst:45
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msgid "Buffer underflow"
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msgstr ""
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#: ../../library/devmode.rst:46
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msgid "Buffer overflow"
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msgstr ""
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#: ../../library/devmode.rst:47
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msgid "Memory allocator API violation"
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msgstr ""
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#: ../../library/devmode.rst:48
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msgid "Unsafe usage of the GIL"
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msgstr ""
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#: ../../library/devmode.rst:50
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msgid "See the :c:func:`PyMem_SetupDebugHooks` C function."
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msgstr ""
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#: ../../library/devmode.rst:52
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msgid ""
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"It behaves as if the :envvar:`PYTHONMALLOC` environment variable is set to "
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"``debug``."
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msgstr ""
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#: ../../library/devmode.rst:55
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msgid ""
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"To enable the Python Development Mode without installing debug hooks on "
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"memory allocators, set the :envvar:`PYTHONMALLOC` environment variable to "
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"``default``."
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msgstr ""
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#: ../../library/devmode.rst:59
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msgid ""
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"Call :func:`faulthandler.enable` at Python startup to install handlers for "
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"the :const:`SIGSEGV`, :const:`SIGFPE`, :const:`SIGABRT`, :const:`SIGBUS` and"
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" :const:`SIGILL` signals to dump the Python traceback on a crash."
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msgstr ""
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#: ../../library/devmode.rst:63
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msgid ""
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"It behaves as if the :option:`-X faulthandler <-X>` command line option is "
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"used or if the :envvar:`PYTHONFAULTHANDLER` environment variable is set to "
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"``1``."
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msgstr ""
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#: ../../library/devmode.rst:67
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msgid ""
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"Enable :ref:`asyncio debug mode <asyncio-debug-mode>`. For example, "
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":mod:`asyncio` checks for coroutines that were not awaited and logs them."
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msgstr ""
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#: ../../library/devmode.rst:70
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msgid ""
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"It behaves as if the :envvar:`PYTHONASYNCIODEBUG` environment variable is "
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"set to ``1``."
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msgstr ""
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#: ../../library/devmode.rst:73
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msgid ""
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"Check the *encoding* and *errors* arguments for string encoding and decoding"
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" operations. Examples: :func:`open`, :meth:`str.encode` and "
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":meth:`bytes.decode`."
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msgstr ""
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#: ../../library/devmode.rst:77
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msgid ""
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"By default, for best performance, the *errors* argument is only checked at "
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"the first encoding/decoding error and the *encoding* argument is sometimes "
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"ignored for empty strings."
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msgstr ""
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#: ../../library/devmode.rst:81
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msgid "The :class:`io.IOBase` destructor logs ``close()`` exceptions."
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msgstr ""
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#: ../../library/devmode.rst:82
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msgid ""
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"Set the :attr:`~sys.flags.dev_mode` attribute of :attr:`sys.flags` to "
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"``True``."
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msgstr "将 :attr:`sys.flags` 的 :attr:`~sys.flags.dev_mode` 属性设为 ``True``。"
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#: ../../library/devmode.rst:85
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msgid ""
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"The Python Development Mode does not enable the :mod:`tracemalloc` module by"
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" default, because the overhead cost (to performance and memory) would be too"
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" large. Enabling the :mod:`tracemalloc` module provides additional "
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"information on the origin of some errors. For example, "
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":exc:`ResourceWarning` logs the traceback where the resource was allocated, "
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"and a buffer overflow error logs the traceback where the memory block was "
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"allocated."
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msgstr ""
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#: ../../library/devmode.rst:92
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msgid ""
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"The Python Development Mode does not prevent the :option:`-O` command line "
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"option from removing :keyword:`assert` statements nor from setting "
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":const:`__debug__` to ``False``."
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msgstr ""
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#: ../../library/devmode.rst:96
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msgid "The :class:`io.IOBase` destructor now logs ``close()`` exceptions."
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msgstr ""
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#: ../../library/devmode.rst:99
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msgid ""
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"The *encoding* and *errors* arguments are now checked for string encoding "
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"and decoding operations."
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msgstr ""
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#: ../../library/devmode.rst:105
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msgid "ResourceWarning Example"
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msgstr ""
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#: ../../library/devmode.rst:107
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msgid ""
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"Example of a script counting the number of lines of the text file specified "
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"in the command line::"
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msgstr ""
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#: ../../library/devmode.rst:121
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msgid ""
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"The script does not close the file explicitly. By default, Python does not "
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"emit any warning. Example using README.txt, which has 269 lines:"
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msgstr ""
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#: ../../library/devmode.rst:129
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msgid ""
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"Enabling the Python Development Mode displays a :exc:`ResourceWarning` "
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"warning:"
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msgstr ""
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#: ../../library/devmode.rst:139
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msgid ""
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"In addition, enabling :mod:`tracemalloc` shows the line where the file was "
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"opened:"
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msgstr ""
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#: ../../library/devmode.rst:154
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msgid ""
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"The fix is to close explicitly the file. Example using a context manager::"
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msgstr ""
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#: ../../library/devmode.rst:162
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msgid ""
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"Not closing a resource explicitly can leave a resource open for way longer "
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"than expected; it can cause severe issues upon exiting Python. It is bad in "
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"CPython, but it is even worse in PyPy. Closing resources explicitly makes an"
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" application more deterministic and more reliable."
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msgstr ""
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#: ../../library/devmode.rst:169
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msgid "Bad file descriptor error example"
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msgstr ""
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#: ../../library/devmode.rst:171
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msgid "Script displaying the first line of itself::"
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msgstr ""
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#: ../../library/devmode.rst:184
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msgid "By default, Python does not emit any warning:"
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msgstr ""
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#: ../../library/devmode.rst:191
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msgid ""
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"The Python Development Mode shows a :exc:`ResourceWarning` and logs a \"Bad "
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"file descriptor\" error when finalizing the file object:"
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msgstr ""
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#: ../../library/devmode.rst:207
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msgid ""
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"``os.close(fp.fileno())`` closes the file descriptor. When the file object "
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"finalizer tries to close the file descriptor again, it fails with the ``Bad "
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"file descriptor`` error. A file descriptor must be closed only once. In the "
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"worst case scenario, closing it twice can lead to a crash (see "
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":issue:`18748` for an example)."
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msgstr ""
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#: ../../library/devmode.rst:213
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msgid ""
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"The fix is to remove the ``os.close(fp.fileno())`` line, or open the file "
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"with ``closefd=False``."
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msgstr ""

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