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添加 argparse 自定义版本
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‎case/argparse/test_argparse_2.py‎

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# -*- coding:utf-8 -*-
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import argparse
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import logging
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import sys
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def function_argparse():
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'''
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function_argparse
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reference link:
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1. https://docs.python.org/zh-cn/2.7/library/argparse.html
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2. https://docs.python.org/zh-cn/3.8/library/argparse.html
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usage: python -m build [-h] [--version] [--sdist] [--wheel] [--outdir OUTDIR] [--skip-dependency-check] [--no-isolation]
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[--config-setting CONFIG_SETTING]
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[srcdir]
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'''
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#
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# the command line srcipt:
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#
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# python -m build -h
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# python test_argparse_2.py --help
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# python test_argparse_2.py -h
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# python test_argparse_2.py ./a ./b
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# python test_argparse_2.py ./a ./b -vs
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# python test_argparse_2.py ./a ./b -v1 0
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# python test_argparse_2.py ./a ./b -v1 1
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# python test_argparse_2.py ./a ./b -v1 2
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# python test_argparse_2.py ./a ./b -v2
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# python test_argparse_2.py ./a ./b -v2 -v2
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# python test_argparse_2.py ./a ./b -v
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# python test_argparse_2.py ./a ./b -q
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# python test_argparse_2.py ./a ./b -vs -v1 0
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# python test_argparse_2.py ./a ./b -vs -v1 1
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# python test_argparse_2.py ./a ./b -vs -v1 2
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# python test_argparse_2.py ./a ./b -vs -v1 0 -v2
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# python test_argparse_2.py ./a ./b -vs -v1 1 -v2
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# python test_argparse_2.py ./a ./b -vs -v1 2 -v2
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# python test_argparse_2.py ./a ./b -vs -v1 0 -v2 -v2
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# python test_argparse_2.py ./a ./b -vs -v1 1 -v2 -v2
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# python test_argparse_2.py ./a ./b -vs -v1 2 -v2 -v2
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# python test_argparse_2.py ./a ./b -vs -v1 0 -v2 -v
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# python test_argparse_2.py ./a ./b -vs -v1 1 -v2 -v
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# python test_argparse_2.py ./a ./b -vs -v1 2 -v2 -v
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# python test_argparse_2.py ./a ./b -vs -v1 0 -v2 -q
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# python test_argparse_2.py ./a ./b -vs -v1 1 -v2 -q
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# python test_argparse_2.py ./a ./b -vs -v1 2 -v2 -q
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#
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parser = argparse.ArgumentParser(description='这个是命令行总体多行文本描述信息.')
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# 位置参数
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parser.add_argument('srcdir', metavar='srcdir', type=str, help='这是一个 srcdir 位置参数')
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parser.add_argument('destdir', metavar='destdir', type=str, help='这是一个 destdir 位置参数')
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# 可选参数
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parser.add_argument('-vs', '--version', action="store_true", help='可选参数：显示版本号，并退出')
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parser.add_argument("-v1", "--verbosity_1", type=int, choices=[0, 1, 2], default=0, help="可选参数: 默认值形式")
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parser.add_argument("-v2", "--verbosity_2", action="count", default=0, help="可选参数: 默认值count 类型形式")
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# parser.add_argument('-l',
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# '--log',
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# default=sys.stdout,
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# type=argparse.FileType('w'),
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# help='the file where the sum should be written')
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# 可选参数，互斥选项
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group = parser.add_mutually_exclusive_group()
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group.add_argument("-v", "--verbose", action="store_true", help='可选参数，互斥参数: the verbose info')
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group.add_argument("-q", "--quiet", action="store_true", help='可选参数，互斥参数: the quiet info')
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args = parser.parse_args()
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if args.srcdir:
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print('the args.srcdir: {}'.format(args.srcdir))
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logging.debug('the args.srcdir: {}'.format(args.srcdir))
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if args.destdir:
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print('the args.destdir: {}'.format(args.destdir))
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logging.debug('the args.destdir: {}'.format(args.destdir))
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if args.version:
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print('the args.version: {}'.format(args.version))
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logging.debug('the args.version: {}'.format(args.version))
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if args.verbosity_1 >= 0:
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print('the args.verbosity_1: {}'.format(args.verbosity_1))
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logging.debug('the args.verbosity_1: {}'.format(args.verbosity_1))
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if args.verbosity_2:
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print('the args.verbosity_2: {}'.format(args.verbosity_2))
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logging.debug('the args.verbosity_2: {}'.format(args.verbosity_2))
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if args.verbose:
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print('the args.verbose: {}'.format(args.verbose))
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logging.debug('the args.verbose: {}'.format(args.verbose))
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if args.quiet:
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print('the args.quiet: {}'.format(args.quiet))
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logging.debug('the args.quiet: {}'.format(args.quiet))
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# if args.log:
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# args.log.write('%s' % sum(args.integers))
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# args.log.close()
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if __name__ == "__main__":
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''' the main point '''
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function_argparse()

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