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# SOME DESCRIPTIVE TITLE.

# This file is distributed under the same license as the Python package.

# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.

# Translators:

# ww song <sww4718168@gmail.com>, 2020

# Freesand Leo <yuqinju@163.com>, 2020

# ppcfish <ppcfish@gmail.com>, 2020

# Siyuan Xu, 2020

#, fuzzy

msgid ""

msgstr ""

"Project-Id-Version: Python 3.8\n"

"Report-Msgid-Bugs-To: \n"

"POT-Creation-Date: 2021-01-01 16:06+0000\n"

"PO-Revision-Date: 2020-05-30 12:16+0000\n"

"Last-Translator: Siyuan Xu, 2020\n"

"Language-Team: Chinese (China) (https://www.transifex.com/python-doc/teams/5390/zh_CN/)\n"

"MIME-Version: 1.0\n"

"Content-Type: text/plain; charset=UTF-8\n"

"Content-Transfer-Encoding: 8bit\n"

"Language: zh_CN\n"

"Plural-Forms: nplurals=1; plural=0;\n"

#: ../../tutorial/stdlib.rst:5

msgid "Brief Tour of the Standard Library"

msgstr ""

#: ../../tutorial/stdlib.rst:11

msgid "Operating System Interface"

msgstr ""

#: ../../tutorial/stdlib.rst:13

msgid ""

"The :mod:`os` module provides dozens of functions for interacting with the "

"operating system::"

msgstr ":mod:`os` ::"

#: ../../tutorial/stdlib.rst:23

msgid ""

"Be sure to use the ``import os`` style instead of ``from os import *``. "

"This will keep :func:`os.open` from shadowing the built-in :func:`open` "

"function which operates much differently."

msgstr ""

" ``import os`` ``from os import *`` :func:`open` "

":func:`os.open` "

#: ../../tutorial/stdlib.rst:29

msgid ""

"The built-in :func:`dir` and :func:`help` functions are useful as "

"interactive aids for working with large modules like :mod:`os`::"

msgstr " :func:`dir` :func:`help` :mod:`os`::"

#: ../../tutorial/stdlib.rst:38

msgid ""

"For daily file and directory management tasks, the :mod:`shutil` module "

"provides a higher level interface that is easier to use::"

msgstr " :mod:`shutil` ::"

#: ../../tutorial/stdlib.rst:51

msgid "File Wildcards"

msgstr ""

#: ../../tutorial/stdlib.rst:53

msgid ""

"The :mod:`glob` module provides a function for making file lists from "

"directory wildcard searches::"

msgstr ":mod:`glob` ::"

#: ../../tutorial/stdlib.rst:64

msgid "Command Line Arguments"

msgstr ""

#: ../../tutorial/stdlib.rst:66

msgid ""

"Common utility scripts often need to process command line arguments. These "

"arguments are stored in the :mod:`sys` module's *argv* attribute as a list."

" For instance the following output results from running ``python demo.py "

"one two three`` at the command line::"

msgstr ""

" :mod:`sys` *argv* "

"``python demo.py one two three`` ::"

#: ../../tutorial/stdlib.rst:75

msgid ""

"The :mod:`argparse` module provides a more sophisticated mechanism to "

"process command line arguments. The following script extracts one or more "

"filenames and an optional number of lines to be displayed::"

msgstr ":mod:`argparse` ::"

#: ../../tutorial/stdlib.rst:88

msgid ""

"When run at the command line with ``python top.py --lines=5 alpha.txt "

"beta.txt``, the script sets ``args.lines`` to ``5`` and ``args.filenames`` "

"to ``['alpha.txt', 'beta.txt']``."

msgstr ""

" ``python top.py --lines=5 alpha.txt beta.txt`` "

"``args.lines`` ``5`` ``args.filenames`` ``['alpha.txt', "

"'beta.txt']``"

#: ../../tutorial/stdlib.rst:96

msgid "Error Output Redirection and Program Termination"

msgstr ""

#: ../../tutorial/stdlib.rst:98

msgid ""

"The :mod:`sys` module also has attributes for *stdin*, *stdout*, and "

"*stderr*. The latter is useful for emitting warnings and error messages to "

"make them visible even when *stdout* has been redirected::"

msgstr ""

":mod:`sys` *stdin* *stdout* *stderr* "

"*stdout* ::"

#: ../../tutorial/stdlib.rst:105

msgid "The most direct way to terminate a script is to use ``sys.exit()``."

msgstr " ``sys.exit()`` "

#: ../../tutorial/stdlib.rst:111

msgid "String Pattern Matching"

msgstr ""

#: ../../tutorial/stdlib.rst:113

msgid ""

"The :mod:`re` module provides regular expression tools for advanced string "

"processing. For complex matching and manipulation, regular expressions offer"

" succinct, optimized solutions::"

msgstr ":mod:`re` ::"

#: ../../tutorial/stdlib.rst:123

msgid ""

"When only simple capabilities are needed, string methods are preferred "

"because they are easier to read and debug::"

msgstr "::"

#: ../../tutorial/stdlib.rst:133

msgid "Mathematics"

msgstr ""

#: ../../tutorial/stdlib.rst:135

msgid ""

"The :mod:`math` module gives access to the underlying C library functions "

"for floating point math::"

msgstr ":mod:`math` C::"

#: ../../tutorial/stdlib.rst:144

msgid "The :mod:`random` module provides tools for making random selections::"

msgstr ":mod:`random` ::"

#: ../../tutorial/stdlib.rst:156

msgid ""

"The :mod:`statistics` module calculates basic statistical properties (the "

"mean, median, variance, etc.) of numeric data::"

msgstr ":mod:`statistics` ::"

#: ../../tutorial/stdlib.rst:168

msgid ""

"The SciPy project <https://scipy.org> has many other modules for numerical "

"computations."

msgstr "SciPy <https://scipy.org> "

#: ../../tutorial/stdlib.rst:174

msgid "Internet Access"

msgstr ""

#: ../../tutorial/stdlib.rst:176

msgid ""

"There are a number of modules for accessing the internet and processing "

"internet protocols. Two of the simplest are :mod:`urllib.request` for "

"retrieving data from URLs and :mod:`smtplib` for sending mail::"

msgstr ""

" :mod:`urllib.request` URL "

":mod:`smtplib` ::"

#: ../../tutorial/stdlib.rst:199

msgid ""

"(Note that the second example needs a mailserver running on localhost.)"

msgstr "localhost"

#: ../../tutorial/stdlib.rst:205

msgid "Dates and Times"

msgstr ""

#: ../../tutorial/stdlib.rst:207

msgid ""

"The :mod:`datetime` module supplies classes for manipulating dates and times"

" in both simple and complex ways. While date and time arithmetic is "

"supported, the focus of the implementation is on efficient member extraction"

" for output formatting and manipulation. The module also supports objects "

"that are timezone aware. ::"

msgstr ""

":mod:`datetime` "

" ::"

#: ../../tutorial/stdlib.rst:231

msgid "Data Compression"

msgstr ""

#: ../../tutorial/stdlib.rst:233

msgid ""

"Common data archiving and compression formats are directly supported by "

"modules including: :mod:`zlib`, :mod:`gzip`, :mod:`bz2`, :mod:`lzma`, "

":mod:`zipfile` and :mod:`tarfile`. ::"

msgstr ""

":mod:`zlib`, :mod:`gzip`, :mod:`bz2`, :mod:`lzma`, "

":mod:`zipfile` :mod:`tarfile`::"

#: ../../tutorial/stdlib.rst:253

msgid "Performance Measurement"

msgstr ""

#: ../../tutorial/stdlib.rst:255

msgid ""

"Some Python users develop a deep interest in knowing the relative "

"performance of different approaches to the same problem. Python provides a "

"measurement tool that answers those questions immediately."

msgstr "Python Python"

#: ../../tutorial/stdlib.rst:259

msgid ""

"For example, it may be tempting to use the tuple packing and unpacking "

"feature instead of the traditional approach to swapping arguments. The "

":mod:`timeit` module quickly demonstrates a modest performance advantage::"

msgstr ":mod:`timeit` ::"

#: ../../tutorial/stdlib.rst:269

msgid ""

"In contrast to :mod:`timeit`'s fine level of granularity, the :mod:`profile`"

" and :mod:`pstats` modules provide tools for identifying time critical "

"sections in larger blocks of code."

msgstr ""

" :mod:`timeit` :mod:`profile` :mod:`pstats` "

#: ../../tutorial/stdlib.rst:277

msgid "Quality Control"

msgstr ""

#: ../../tutorial/stdlib.rst:279

msgid ""

"One approach for developing high quality software is to write tests for each"

" function as it is developed and to run those tests frequently during the "

"development process."

msgstr ""

#: ../../tutorial/stdlib.rst:283

msgid ""

"The :mod:`doctest` module provides a tool for scanning a module and "

"validating tests embedded in a program's docstrings. Test construction is "

"as simple as cutting-and-pasting a typical call along with its results into "

"the docstring. This improves the documentation by providing the user with an"

" example and it allows the doctest module to make sure the code remains true"

" to the documentation::"

msgstr ""

":mod:`doctest` "

"doctest::"

#: ../../tutorial/stdlib.rst:301

msgid ""

"The :mod:`unittest` module is not as effortless as the :mod:`doctest` "

"module, but it allows a more comprehensive set of tests to be maintained in "

"a separate file::"

msgstr ":mod:`unittest` :mod:`doctest` ::"

#: ../../tutorial/stdlib.rst:323

msgid "Batteries Included"

msgstr ""

#: ../../tutorial/stdlib.rst:325

msgid ""

"Python has a \"batteries included\" philosophy. This is best seen through "

"the sophisticated and robust capabilities of its larger packages. For "

"example:"

msgstr "Python:"

#: ../../tutorial/stdlib.rst:328

msgid ""

"The :mod:`xmlrpc.client` and :mod:`xmlrpc.server` modules make implementing "

"remote procedure calls into an almost trivial task. Despite the modules "

"names, no direct knowledge or handling of XML is needed."

msgstr ""

":mod:`xmlrpc.client` :mod:`xmlrpc.server` "

" XML"

#: ../../tutorial/stdlib.rst:332

msgid ""

"The :mod:`email` package is a library for managing email messages, including"

" MIME and other :rfc:`2822`-based message documents. Unlike :mod:`smtplib` "

"and :mod:`poplib` which actually send and receive messages, the email "

"package has a complete toolset for building or decoding complex message "

"structures (including attachments) and for implementing internet encoding "

"and header protocols."

msgstr ""

":mod:`email` MIME :rfc:`2822` "

":mod:`smtplib` :mod:`poplib` "

#: ../../tutorial/stdlib.rst:339

msgid ""

"The :mod:`json` package provides robust support for parsing this popular "

"data interchange format. The :mod:`csv` module supports direct reading and "

"writing of files in Comma-Separated Value format, commonly supported by "

"databases and spreadsheets. XML processing is supported by the "

":mod:`xml.etree.ElementTree`, :mod:`xml.dom` and :mod:`xml.sax` packages. "

"Together, these modules and packages greatly simplify data interchange "

"between Python applications and other tools."

msgstr ""

":mod:`json` :mod:`csv` "

" XML "

":mod:`xml.etree.ElementTree` :mod:`xml.dom` :mod:`xml.sax` "

" Python "

#: ../../tutorial/stdlib.rst:348

msgid ""

"The :mod:`sqlite3` module is a wrapper for the SQLite database library, "

"providing a persistent database that can be updated and accessed using "

"slightly nonstandard SQL syntax."

msgstr ""

":mod:`sqlite3` SQLite SQL "

#: ../../tutorial/stdlib.rst:352

msgid ""

"Internationalization is supported by a number of modules including "

":mod:`gettext`, :mod:`locale`, and the :mod:`codecs` package."

msgstr " :mod:`gettext` :mod:`locale` :mod:`codecs` "

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