[issue25094] Test_tools not working on Windows.

[Terry J. Reedy]

New submission from Terry J. Reedy:

When run at part of test suite on 3.5.0 (win7)
[341/397/4] test_tools
Usage: 2to3 [options] file|dir ...

regrtest.py: error: no such option: --slaveargs
test test_tools failed -- Traceback (most recent call last):
  File "C:\Programs\Python 3.5\lib\optparse.py", line 1386, in parse_args
    stop = self._process_args(largs, rargs, values)
  File "C:\Programs\Python 3.5\lib\optparse.py", line 1426, in _process_args
    self._process_long_opt(rargs, values)
  File "C:\Programs\Python 3.5\lib\optparse.py", line 1479, in _process_long_opt
    opt = self._match_long_opt(opt)
  File "C:\Programs\Python 3.5\lib\optparse.py", line 1464, in _match_long_opt
    return _match_abbrev(opt, self._long_opt)
  File "C:\Programs\Python 3.5\lib\optparse.py", line 1669, in _match_abbrev
    raise BadOptionError(s)
optparse.BadOptionError: no such option: --slaveargs

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Programs\Python 3.5\lib\test\test_tools\test_sundry.py", line 36, in test_sundry
    import_tool(name)
  File "C:\Programs\Python 3.5\lib\test\test_tools\__init__.py", line 22, in import_tool
    return importlib.import_module(toolname)
  File "C:\Programs\Python 3.5\lib\importlib\__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 986, in _gcd_import
  File "<frozen importlib._bootstrap>", line 969, in _find_and_load
  File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 673, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 662, in exec_module
  File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed
  File "C:\Programs\Python 3.5\Tools\scripts\2to3.py", line 5, in <module>
    sys.exit(main("lib2to3.fixes"))
  File "C:\Programs\Python 3.5\lib\lib2to3\main.py", line 179, in main
    options, args = parser.parse_args(args)
  File "C:\Programs\Python 3.5\lib\optparse.py", line 1388, in parse_args
    self.error(str(err))
  File "C:\Programs\Python 3.5\lib\optparse.py", line 1568, in error
    self.exit(2, "%s: error: %s\n" % (self.get_prog_name(), msg))
  File "C:\Programs\Python 3.5\lib\optparse.py", line 1558, in exit
    sys.exit(status)
SystemExit: 2

run by itselt (-m test test_tools)
PS C:\Users\Terry> py -3 -m test  test_tools
[1/1] test_tools
RefactoringTool: Skipping optional fixer: buffer
RefactoringTool: Skipping optional fixer: idioms
RefactoringTool: Skipping optional fixer: set_literal
RefactoringTool: Skipping optional fixer: ws_comma
RefactoringTool: Can't open test_tools: [Errno 2] No such file or directory: 'test_tools'
RefactoringTool: No files need to be modified.
RefactoringTool: There was 1 error:
RefactoringTool: Can't open test_tools: [Errno 2] No such file or directory: 'test_tools'
Warning -- logging._handlerList was modified by test_tools
test test_tools failed -- Traceback (most recent call last):
  File "C:\Programs\Python 3.5\lib\test\test_tools\test_sundry.py", line 36, in test_sundry
    import_tool(name)
  File "C:\Programs\Python 3.5\lib\test\test_tools\__init__.py", line 22, in import_tool
    return importlib.import_module(toolname)
  File "C:\Programs\Python 3.5\lib\importlib\__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 986, in _gcd_import
  File "<frozen importlib._bootstrap>", line 969, in _find_and_load
  File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 673, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 662, in exec_module
  File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed
  File "C:\Programs\Python 3.5\Tools\scripts\2to3.py", line 5, in <module>
    sys.exit(main("lib2to3.fixes"))
SystemExit: 1

With 3.4.3, shorter message about multiple errors

----------
messages: 250603
nosy: terry.reedy
priority: normal
severity: normal
status: open
title: Test_tools not working on Windows.
type: behavior
versions: Python 3.4, Python 3.5

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue25094>
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