Martin Panter added the comment:
I am trying out your patch at the moment. There are plenty of test suite
failures; I ran the test suite with approximately the following:
./python -bWerror -m test -Wr -j0 -u network -x
test_{mailbox,shelve,faulthandler,multiprocessing_main_handling,venv,warnings}
Importing modules sometimes fails or generates the warning, but this goes away
if the file is not out of date. E.g. run “touch Lib/test/test_codecs.py”, and
then make sure you next import that module with -Wall or -Werror enabled.
374 tests OK.
10 tests failed:
test___all__ test_ast test_codecs test_doctest test_fstring
test_idle test_strlit test_trace test_unicode
test_zipimport_support
I started pasting some of the failures here, but gave up as more and more
failed. Let me know if you want the full details.
======================================================================
ERROR: test_coverage (test.test_trace.TestCoverage)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/media/disk/home/proj/python/cpython/Lib/test/test_trace.py", line 312,
in test_coverage
self._coverage(tracer)
File "/media/disk/home/proj/python/cpython/Lib/test/test_trace.py", line 307,
in _coverage
r.write_results(show_missing=True, summary=True, coverdir=TESTFN)
File "/media/disk/home/proj/python/cpython/Lib/trace.py", line 284, in
write_results
lnotab = _find_executable_linenos(filename)
File "/media/disk/home/proj/python/cpython/Lib/trace.py", line 403, in
_find_executable_linenos
code = compile(prog, filename, "exec")
DeprecationWarning: invalid escape sequence 'w'
**********************************************************************
File "/media/disk/home/proj/python/cpython/Lib/test/test_doctest.py", line 288,
in test.test_doctest.test_DocTest
Failed example:
docstring = '''
>>> print(12)
12
Non-example text.
>>> print('another\example')
another
example
'''
Exception raised:
Traceback (most recent call last):
File "/media/disk/home/proj/python/cpython/Lib/doctest.py", line 1330, in
__run
compileflags, 1), test.globs)
DeprecationWarning: invalid escape sequence 'e'
**********************************************************************
[Many subsequent NameError exceptions from test_doctest]
**********************************************************************
File "/tmp/tmphzbypj98/test_zip.zip/test_zipped_doctest.py", line 288, in
test_zipped_doctest.test_DocTest
Failed example:
docstring = '''
>>> print(12)
12
Non-example text.
>>> print('another\example')
another
example
'''
Exception raised:
Traceback (most recent call last):
File "/media/disk/home/proj/python/cpython/Lib/doctest.py", line 1330, in
__run
compileflags, 1), test.globs)
DeprecationWarning: invalid escape sequence 'e'
**********************************************************************
[More failures]
======================================================================
FAIL: test_all (test.test___all__.AllTest)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/media/disk/home/proj/python/cpython/Lib/test/test___all__.py", line
105, in test_all
self.check_all(modname)
File "/media/disk/home/proj/python/cpython/Lib/test/test___all__.py", line
28, in check_all
raise FailedImport(modname)
File "/media/disk/home/proj/python/cpython/Lib/contextlib.py", line 89, in
__exit__
next(self.gen)
File "/media/disk/home/proj/python/cpython/Lib/test/support/__init__.py",
line 1130, in _filterwarnings
raise AssertionError("unhandled warning %s" % reraise[0])
AssertionError: unhandled warning {message : DeprecationWarning("invalid escape
sequence '('",), category : 'DeprecationWarning', filename :
'/media/disk/home/proj/python/cpython/Lib/importlib/_bootstrap.py', lineno :
222, line : None}
======================================================================
ERROR: test_escape_order (test.test_fstring.TestCase) (str='f\'{"a"\\!r}\'')
----------------------------------------------------------------------
Traceback (most recent call last):
File "/media/disk/home/proj/python/cpython/Lib/test/test_fstring.py", line
20, in assertAllRaise
eval(str)
DeprecationWarning: invalid escape sequence '!'
======================================================================
ERROR: test_escape (test.test_codecs.EscapeDecodeTest)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/media/disk/home/proj/python/cpython/Lib/test/test_codecs.py", line
1218, in test_escape
decode(b"\\" + b)
OverflowError: character argument not in range(0x110000)
======================================================================
ERROR: test_escape_decode (test.test_codecs.UnicodeEscapeTest)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/media/disk/home/proj/python/cpython/Lib/test/test_codecs.py", line
2467, in test_escape_decode
check(br"[\8]", r"[\8]")
File "/media/disk/home/proj/python/cpython/Lib/test/test_codecs.py", line 26,
in check
self.assertEqual(coder(input), (expect, len(input)))
DeprecationWarning: invalid escape sequence '8'
test test_unicode crashed -- Traceback (most recent call last):
File "/media/disk/home/proj/python/cpython/Lib/test/libregrtest/runtest.py",
line 167, in runtest_inner
the_module = importlib.import_module(abstest)
File "/media/disk/home/proj/python/cpython/Lib/importlib/__init__.py", line
126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 996, in _gcd_import
File "<frozen importlib._bootstrap>", line 979, in _find_and_load
File "<frozen importlib._bootstrap>", line 968, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 673, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 663, in exec_module
File "<frozen importlib._bootstrap_external>", line 770, in get_code
File "<frozen importlib._bootstrap_external>", line 730, in source_to_code
File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed
DeprecationWarning: invalid escape sequence '?'
----------
_______________________________________
Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue27364>
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