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2 | 2 |
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3 | 3 | Usage:: |
4 | 4 |
|
5 | | - $ echo '{"json":"obj"}' | python -m json.tool |
| 5 | + $ echo '{"json":"obj"}' | python -m json |
6 | 6 | { |
7 | 7 | "json": "obj" |
8 | 8 | } |
9 | | - $ echo '{ 1.2:3.4}' | python -m json.tool |
| 9 | + $ echo '{ 1.2:3.4}' | python -m json |
10 | 10 | Expecting property name enclosed in double quotes: line 1 column 3 (char 2) |
11 | 11 |
|
12 | 12 | """ |
13 | | -import argparse |
14 | | -import json |
| 13 | +import json.tool |
15 | 14 | import sys |
16 | 15 |
|
17 | 16 |
|
18 | | -def main(): |
19 | | - prog = 'python -m json.tool' |
20 | | - description = ('A simple command line interface for json module ' |
21 | | - 'to validate and pretty-print JSON objects.') |
22 | | - parser = argparse.ArgumentParser(prog=prog, description=description) |
23 | | - parser.add_argument('infile', nargs='?', |
24 | | - help='a JSON file to be validated or pretty-printed', |
25 | | - default='-') |
26 | | - parser.add_argument('outfile', nargs='?', |
27 | | - help='write the output of infile to outfile', |
28 | | - default=None) |
29 | | - parser.add_argument('--sort-keys', action='store_true', default=False, |
30 | | - help='sort the output of dictionaries alphabetically by key') |
31 | | - parser.add_argument('--no-ensure-ascii', dest='ensure_ascii', action='store_false', |
32 | | - help='disable escaping of non-ASCII characters') |
33 | | - parser.add_argument('--json-lines', action='store_true', default=False, |
34 | | - help='parse input using the JSON Lines format. ' |
35 | | - 'Use with --no-indent or --compact to produce valid JSON Lines output.') |
36 | | - group = parser.add_mutually_exclusive_group() |
37 | | - group.add_argument('--indent', default=4, type=int, |
38 | | - help='separate items with newlines and use this number ' |
39 | | - 'of spaces for indentation') |
40 | | - group.add_argument('--tab', action='store_const', dest='indent', |
41 | | - const='\t', help='separate items with newlines and use ' |
42 | | - 'tabs for indentation') |
43 | | - group.add_argument('--no-indent', action='store_const', dest='indent', |
44 | | - const=None, |
45 | | - help='separate items with spaces rather than newlines') |
46 | | - group.add_argument('--compact', action='store_true', |
47 | | - help='suppress all whitespace separation (most compact)') |
48 | | - options = parser.parse_args() |
49 | | - |
50 | | - dump_args = { |
51 | | - 'sort_keys': options.sort_keys, |
52 | | - 'indent': options.indent, |
53 | | - 'ensure_ascii': options.ensure_ascii, |
54 | | - } |
55 | | - if options.compact: |
56 | | - dump_args['indent'] = None |
57 | | - dump_args['separators'] = ',', ':' |
58 | | - |
59 | | - try: |
60 | | - if options.infile == '-': |
61 | | - infile = sys.stdin |
62 | | - else: |
63 | | - infile = open(options.infile, encoding='utf-8') |
64 | | - try: |
65 | | - if options.json_lines: |
66 | | - objs = (json.loads(line) for line in infile) |
67 | | - else: |
68 | | - objs = (json.load(infile),) |
69 | | - finally: |
70 | | - if infile is not sys.stdin: |
71 | | - infile.close() |
72 | | - |
73 | | - if options.outfile is None: |
74 | | - outfile = sys.stdout |
75 | | - else: |
76 | | - outfile = open(options.outfile, 'w', encoding='utf-8') |
77 | | - with outfile: |
78 | | - for obj in objs: |
79 | | - json.dump(obj, outfile, **dump_args) |
80 | | - outfile.write('\n') |
81 | | - except ValueError as e: |
82 | | - raise SystemExit(e) |
83 | | - |
84 | | - |
85 | 17 | if __name__ == '__main__': |
86 | 18 | try: |
87 | | - main() |
| 19 | + json.tool.main() |
88 | 20 | except BrokenPipeError as exc: |
89 | 21 | sys.exit(exc.errno) |
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