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bpo-38348: Extend command line options of ast parsing tool (GH-16540)

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Add -i and --indent (indentation level), and --no-type-comments
(type comments) command line options to ast parsing tool.
This commit is contained in:
Batuhan Taşkaya 2019-12-16 21:23:27 +03:00 • committed by Victor Stinner
parent a322f50c36
commit 814d687c7d
3 changed files with 17 additions and 2 deletions
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8
Lib/ast.py
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@ -1258,15 +1258,19 @@ def main():
parser.add_argument('-m', '--mode', default='exec',
choices=('exec', 'single', 'eval', 'func_type'),
help='specify what kind of code must be parsed')
parser.add_argument('--no-type-comments', default=True, action='store_false',
help="don't add information about type comments")
parser.add_argument('-a', '--include-attributes', action='store_true',
help='include attributes such as line numbers and '
'column offsets')
parser.add_argument('-i', '--indent', type=int, default=3,
help='indentation of nodes (number of spaces)')
args = parser.parse_args()
with args.infile as infile:
source = infile.read()
tree = parse(source, args.infile.name, args.mode, type_comments=True)
print(dump(tree, include_attributes=args.include_attributes, indent=3))
tree = parse(source, args.infile.name, args.mode, type_comments=args.no_type_comments)
print(dump(tree, include_attributes=args.include_attributes, indent=args.indent))
if __name__ == '__main__':
main()