gh-104050: Partially annotate Argument Clinic CLanguage class

[erlend-aasland]

Saving render_option_group_parsing() and output_templates() methods for later

• Issue: Add type annotations to clinic.py #104050

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot x86-64 macOS 3.x has failed when building commit 7bb9fa5.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/all/#builders/366/builds/4739) and take a look at the build logs.
4. Check if the failure is related to this commit (7bb9fa5) or if it is a false positive.
5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/all/#builders/366/builds/4739

Failed tests:

• test_unittest

Failed subtests:

• test_wait_until_any_call_with_positional - test.test_unittest.testmock.testthreadingmock.TestThreadingMock.test_wait_until_any_call_with_positional

Summary of the results of the build (if available):

== Tests result: FAILURE then FAILURE ==

423 tests OK.

10 slowest tests:

• test_math: 5 min 10 sec
• test_multiprocessing_spawn: 4 min
• test_signal: 3 min 52 sec
• test_concurrent_futures: 3 min 5 sec
• test_multiprocessing_forkserver: 2 min 10 sec
• test_capi: 1 min 49 sec
• test_tokenize: 1 min 49 sec
• test_unparse: 1 min 32 sec
• test_tarfile: 1 min 20 sec
• test_unicodedata: 1 min 20 sec

1 test failed:
test_unittest

22 tests skipped:
test.test_asyncio.test_windows_events
test.test_asyncio.test_windows_utils test_devpoll test_epoll
test_gdb test_idle test_ioctl test_launcher
test_multiprocessing_fork test_perf_profiler test_perfmaps
test_startfile test_tcl test_tkinter test_ttk test_ttk_textonly
test_turtle test_winconsoleio test_winreg test_winsound test_wmi
test_zipfile64

1 re-run test:
test_unittest

Total duration: 29 min 59 sec

Click to see traceback logs

Traceback (most recent call last):
File "/Users/buildbot/buildarea/3.x.billenstein-macos/build/Lib/test/test_unittest/testmock/testthreadingmock.py", line 177, in test_wait_until_any_call_with_positionalself.assertIn(call(2), something.method_1.mock_calls)
AssertionError: call(2) not found in [call(1), call(3)]
Traceback (most recent call last):
File "/Users/buildbot/buildarea/3.x.billenstein-macos/build/Lib/test/test_unittest/testmock/testthreadingmock.py", line 173, in test_wait_until_any_call_with_positionalself.assertNotIn(call(2), something.method_1.mock_calls)
AssertionError: call(2) unexpectedly found in [call(2), call(1)]