|
| 1 | +#!/usr/bin/env python3 |
| 2 | +""" |
| 3 | +Author : Ken Youens-Clark <kyclark@gmail.com> |
| 4 | +Date : 24 October 2018 |
| 5 | +Purpose: Python program to write a Python program |
| 6 | +""" |
| 7 | + |
| 8 | +import argparse |
| 9 | +import os |
| 10 | +import subprocess |
| 11 | +import sys |
| 12 | +from datetime import date |
| 13 | +from dire import die |
| 14 | + |
| 15 | + |
| 16 | +# -------------------------------------------------- |
| 17 | +def get_args(): |
| 18 | + """Get arguments""" |
| 19 | + |
| 20 | + parser = argparse.ArgumentParser( |
| 21 | + description='Create Python argparse/simple program', |
| 22 | + formatter_class=argparse.ArgumentDefaultsHelpFormatter) |
| 23 | + |
| 24 | + parser.add_argument('program', help='Program name', type=str) |
| 25 | + |
| 26 | + parser.add_argument('-s', |
| 27 | + '--simple', |
| 28 | + help='Use simple format', |
| 29 | + action='store_true') |
| 30 | + |
| 31 | + parser.add_argument('-f', |
| 32 | + '--force', |
| 33 | + help='Overwrite existing', |
| 34 | + action='store_true') |
| 35 | + |
| 36 | + return parser.parse_args() |
| 37 | + |
| 38 | + |
| 39 | +# -------------------------------------------------- |
| 40 | +def main(): |
| 41 | + """Make a jazz noise here""" |
| 42 | + |
| 43 | + args = get_args() |
| 44 | + out_file = args.program.strip().replace('-', '_') |
| 45 | + |
| 46 | + if not out_file: die('Not a usable filename "{}"'.format(out_file)) |
| 47 | + |
| 48 | + if not out_file.endswith('.py'): out_file += '.py' |
| 49 | + |
| 50 | + if os.path.isfile(out_file) and not args.force: |
| 51 | + answer = input('"{}" exists. Overwrite? [yN] '.format(out_file)) |
| 52 | + if not answer.lower().startswith('y'): |
| 53 | + print('Will not overwrite. Bye!') |
| 54 | + sys.exit() |
| 55 | + |
| 56 | + out_fh = open(out_file, 'w') |
| 57 | + preamble = PREAMBLE.format(os.getenv('USER'), str(date.today())) |
| 58 | + text = SIMPLE if args.simple else ARGPARSE |
| 59 | + |
| 60 | + out_fh.write(preamble) |
| 61 | + out_fh.write(text) |
| 62 | + subprocess.run(['chmod', '+x', out_file]) |
| 63 | + print('Done, see new script "{}."'.format(out_file)) |
| 64 | + |
| 65 | + |
| 66 | +# -------------------------------------------------- |
| 67 | +PREAMBLE = """#!/usr/bin/env python3 |
| 68 | +\"\"\" |
| 69 | +Author : {} |
| 70 | +Date : {} |
| 71 | +Purpose: Rock the Casbah |
| 72 | +\"\"\" |
| 73 | +""" |
| 74 | + |
| 75 | +# -------------------------------------------------- |
| 76 | +SIMPLE = """ |
| 77 | +import os |
| 78 | +import sys |
| 79 | +
|
| 80 | +
|
| 81 | +# -------------------------------------------------- |
| 82 | +def main(): |
| 83 | + \"\"\"Make a jazz noise here\"\"\" |
| 84 | +
|
| 85 | + args = sys.argv[1:] |
| 86 | +
|
| 87 | + if len(args) != 1: |
| 88 | + print('Usage: {} ARG'.format(os.path.basename(sys.argv[0]))) |
| 89 | + sys.exit(1) |
| 90 | +
|
| 91 | + arg = args[0] |
| 92 | +
|
| 93 | + print('Arg is "{}"'.format(arg)) |
| 94 | +
|
| 95 | +
|
| 96 | +# -------------------------------------------------- |
| 97 | +if __name__ == '__main__': |
| 98 | + main() |
| 99 | +""" |
| 100 | + |
| 101 | +# -------------------------------------------------- |
| 102 | +ARGPARSE = """ |
| 103 | +import argparse |
| 104 | +import os |
| 105 | +import sys |
| 106 | +
|
| 107 | +
|
| 108 | +# -------------------------------------------------- |
| 109 | +def get_args(): |
| 110 | + \"\"\"Get command-line arguments\"\"\" |
| 111 | +
|
| 112 | + parser = argparse.ArgumentParser( |
| 113 | + description='Argparse Python script', |
| 114 | + formatter_class=argparse.ArgumentDefaultsHelpFormatter) |
| 115 | +
|
| 116 | + parser.add_argument('positional', |
| 117 | + metavar='str', |
| 118 | + help='A positional argument') |
| 119 | +
|
| 120 | + parser.add_argument('-a', |
| 121 | + '--arg', |
| 122 | + help='A named string argument', |
| 123 | + metavar='str', |
| 124 | + type=str, |
| 125 | + default='') |
| 126 | +
|
| 127 | + parser.add_argument('-i', |
| 128 | + '--int', |
| 129 | + help='A named integer argument', |
| 130 | + metavar='int', |
| 131 | + type=int, |
| 132 | + default=0) |
| 133 | +
|
| 134 | + parser.add_argument('-f', |
| 135 | + '--flag', |
| 136 | + help='A boolean flag', |
| 137 | + action='store_true') |
| 138 | +
|
| 139 | + return parser.parse_args() |
| 140 | +
|
| 141 | +
|
| 142 | +# -------------------------------------------------- |
| 143 | +def main(): |
| 144 | + \"\"\"Make a jazz noise here\"\"\" |
| 145 | +
|
| 146 | + args = get_args() |
| 147 | + str_arg = args.arg |
| 148 | + int_arg = args.int |
| 149 | + flag_arg = args.flag |
| 150 | + pos_arg = args.positional |
| 151 | +
|
| 152 | + print('str_arg = "{}"'.format(str_arg)) |
| 153 | + print('int_arg = "{}"'.format(int_arg)) |
| 154 | + print('flag_arg = "{}"'.format(flag_arg)) |
| 155 | + print('positional = "{}"'.format(pos_arg)) |
| 156 | +
|
| 157 | +
|
| 158 | +# -------------------------------------------------- |
| 159 | +if __name__ == '__main__': |
| 160 | + main() |
| 161 | +""" |
| 162 | + |
| 163 | +# -------------------------------------------------- |
| 164 | +if __name__ == '__main__': |
| 165 | + main() |
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