8000 bpo-33927: Add support for same infile and outfile to json.tool by remilapeyre · Pull Request #7865 · python/cpython · GitHub
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bpo-33927: Add support for same infile and outfile to json.tool #7865

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bpo-33927: Add support for same infile and outfile to json.tool #7865

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04b2ade
bpo-33927: Add support for same infile and outfile to json.tool
Jun 22, 2018
23593fb
Fix error message on IOError
Jun 26, 2018
6cae5c5
Add Misc/NEWS entry
Jun 27, 2018
ed871c6
Add fd leakage tests
Jun 29, 2018
48fd561
Clean json_tools tests
Nov 3, 2018
e606980
Merge remote-tracking branch 'origin/master' into bugfix/json.tool-sa…
Dec 26, 2018
fe960a5
Add support for json lines
Feb 25, 2019
e7c868e
Fix indentation level
Feb 26, 2019
67e2116
Remove unused argument
Feb 26, 2019
90b295c
Merge remote-tracking branch 'origin/master' into bugfix/json.tool-sa…
remilapeyre May 28, 2020
f99c54c
Always open outfile with utf-8
remilapeyre May 28, 2020
d79a4e3
Update Lib/json/tool.py
remilapeyre Nov 7, 2021
1490e2b
Update Misc/NEWS.d/next/Library/2018-06-27-14-46-03.bpo-33927.felCrI.rst
remilapeyre Nov 7, 2021
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Fix error message on IOError
  • Loading branch information
Rémi Lapeyre committed Jun 26, 2018
commit 23593fb76c999ed96583b87d5d4873d5383215a2
5 changes: 4 additions & 1 deletion Lib/json/tool.py
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Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,10 @@ def main():
except ValueError as e:
raise SystemExit(e)

outfile = sys.stdout if options.outfile == '-' else open(options.outfile, 'w')
try:
outfile = sys.stdout if options.outfile == '-' else open(options.outfile, 'w')
except IOError as e:
parser.error("can't open '{}': {}".format(options.outfile, str(e)))
with outfile:
json.dump(obj, outfile, sort_keys=sort_keys, indent=4)
outfile.write('\n')
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11 changes: 10 additions & 1 deletion Lib/test/test_json/test_tool.py
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Expand Up @@ -4,7 +4,7 @@
import unittest
from subprocess import Popen, PIPE
from test import support
from test.support.script_helper import assert_python_ok
from test.support.script_helper import assert_python_ok, assert_python_failure


class TestTool(unittest.TestCase):
Expand Down Expand Up @@ -99,6 +99,15 @@ def test_infile_same_outfile(self):
self.assertEqual(out, b'')
self.assertEqual(err, b'')

def test_unavailable_outfile(self):
infile = self._create_infile()
rc, out, err = assert_python_failure('-m', 'json.tool', infile, '/bla/outfile')
self.assertEqual(rc, 2)
self.assertEqual(out, b'')
err = err.decode().splitlines()
self.assertEqual(err[0], 'usage: python -m json.tool [-h] [--sort-keys] [infile] [outfile]')
self.assertEqual(err[1], "python -m json.tool: error: can't open '/bla/outfile': [Errno 2] No such file or directory: '/bla/outfile'")

def test_help_flag(self):
rc, out, err = assert_python_ok('-m', 'json.tool', '-h')
self.assertEqual(rc, 0)
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