rust-discovery: moving most of hg-cpython methods to regular code blocks The chosen methods are those with conversion of an incoming Python iterable, as they will be changed the most when we will remove the C index, and `takefullsample` for consistency with `takequicksample`.

[build-system]
requires = ["setuptools", "wheel"]

[tool.black]
line-length = 80
exclude = '''
build/
| wheelhouse/
| dist/
| packages/
| \.hg/
| \.mypy_cache/
| \.venv/
| mercurial/thirdparty/
'''
skip-string-normalization = true
quiet = true