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bpo-43024: improve signature (in help, etc) for functions taking sent… (GH-24331)

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…inel defaults
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Irit Katriel 2021-06-17 17:14:30 +01:00 • committed by GitHub
parent ba2f32a983
commit f73377d57c
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3 changed files with 21 additions and 1 deletions
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16
Lib/test/test_traceback.py
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@ -4,6 +4,7 @@ from collections import namedtuple
from io import StringIO
import linecache
import sys
import inspect
import unittest
import re
from test import support
@ -255,6 +256,21 @@ class TracebackCases(unittest.TestCase):
self.assertEqual(
traceback.format_exception_only(None, None), [NONE_EXC_STRING])
def test_signatures(self):
self.assertEqual(
str(inspect.signature(traceback.print_exception)),
('(exc, /, value=<implicit>, tb=<implicit>, '
'limit=None, file=None, chain=True)'))
self.assertEqual(
str(inspect.signature(traceback.format_exception)),
('(exc, /, value=<implicit>, tb=<implicit>, limit=None, '
'chain=True)'))
self.assertEqual(
str(inspect.signature(traceback.format_exception_only)),
'(exc, /, value=<implicit>)')
class TracebackFormatTests(unittest.TestCase):