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bpo-43797: Improve syntax error for invalid comparisons (#25317)

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* bpo-43797: Improve syntax error for invalid comparisons

* Update Lib/test/test_fstring.py

Co-authored-by: Guido van Rossum <gvanrossum@gmail.com>

* Apply review comments

* can't -> cannot

Co-authored-by: Guido van Rossum <gvanrossum@gmail.com>
This commit is contained in:
Pablo Galindo 2021-04-12 16:59:30 +01:00 • committed by GitHub
parent 2459b92a4d
commit b86ed8e3bb
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12 changed files with 1375 additions and 779 deletions
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8
Lib/test/test_cmd_line_script.py
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@ -600,8 +600,8 @@ class CmdLineTest(unittest.TestCase):
script_name = _make_test_script(script_dir, 'script', script)
exitcode, stdout, stderr = assert_python_failure(script_name)
text = io.TextIOWrapper(io.BytesIO(stderr), 'ascii').read()
# Confirm that the caret is located under the first 1 character
self.assertIn("\n 1 + 1 = 2\n ^", text)
# Confirm that the caret is located under the '=' sign
self.assertIn("\n 1 + 1 = 2\n ^\n", text)
def test_syntaxerror_indented_caret_position(self):
script = textwrap.dedent("""\
@ -613,7 +613,7 @@ class CmdLineTest(unittest.TestCase):
exitcode, stdout, stderr = assert_python_failure(script_name)
text = io.TextIOWrapper(io.BytesIO(stderr), 'ascii').read()
# Confirm that the caret is located under the first 1 character
self.assertIn("\n 1 + 1 = 2\n ^", text)
self.assertIn("\n 1 + 1 = 2\n ^\n", text)
# Try the same with a form feed at the start of the indented line
script = (
@ -624,7 +624,7 @@ class CmdLineTest(unittest.TestCase):
exitcode, stdout, stderr = assert_python_failure(script_name)
text = io.TextIOWrapper(io.BytesIO(stderr), "ascii").read()
self.assertNotIn("\f", text)
self.assertIn("\n 1 + 1 = 2\n ^", text)
self.assertIn("\n 1 + 1 = 2\n ^\n", text)
def test_syntaxerror_multi_line_fstring(self):
script = 'foo = f"""{}\nfoo"""\n'