Merge branch 'gf2-type' into 'develop'

This commit is contained in:
Alexander Hess 2024-09-18 23:16:51 +02:00
commit 4c47ca1b17
Signed by: alexander
GPG key ID: 344EA5AB10D868E0
10 changed files with 1548 additions and 58 deletions

View file

@ -230,6 +230,7 @@ TEST_DEPENDENCIES = (
"pytest",
"pytest-cov",
"semver",
'typing-extensions; python_version < "3.11"', # to support Python 3.9 & 3.10
"xdoctest",
)
@ -284,6 +285,7 @@ def test_coverage_run(session: nox.Session) -> None:
session.install(".")
install_pinned(session, "coverage", *TEST_DEPENDENCIES)
session.env["NO_CROSS_REFERENCE"] = "true"
session.run(
"python",
"-m",
@ -430,6 +432,11 @@ def start(session: nox.Session) -> None:
session.env["PIP_CACHE_DIR"] = ".cache/pip"
session.env["PIP_DISABLE_PIP_VERSION_CHECK"] = "true"
if session.python in ("3.12", "3.11"):
session.env["PRAGMA_SUPPORT_39_N_310"] = "to support Python 3.9 & 3.10"
else:
session.env["PRAGMA_SUPPORT_39_N_310"] = f"{_magic_number =}"
def suppress_poetry_export_warning(session: nox.Session) -> None:
"""Temporary fix to avoid poetry's warning ...

123
poetry.lock generated
View file

@ -431,18 +431,18 @@ test = ["pytest (>=6)"]
[[package]]
name = "filelock"
version = "3.16.0"
version = "3.16.1"
description = "A platform independent file lock."
optional = false
python-versions = ">=3.8"
files = [
{file = "filelock-3.16.0-py3-none-any.whl", hash = "sha256:f6ed4c963184f4c84dd5557ce8fece759a3724b37b80c6c4f20a2f63a4dc6609"},
{file = "filelock-3.16.0.tar.gz", hash = "sha256:81de9eb8453c769b63369f87f11131a7ab04e367f8d97ad39dc230daa07e3bec"},
{file = "filelock-3.16.1-py3-none-any.whl", hash = "sha256:2082e5703d51fbf98ea75855d9d5527e33d8ff23099bec374a134febee6946b0"},
{file = "filelock-3.16.1.tar.gz", hash = "sha256:c249fbfcd5db47e5e2d6d62198e565475ee65e4831e2561c8e313fa7eb961435"},
]
[package.extras]
docs = ["furo (>=2024.8.6)", "sphinx (>=8.0.2)", "sphinx-autodoc-typehints (>=2.4)"]
testing = ["covdefaults (>=2.3)", "coverage (>=7.6.1)", "diff-cover (>=9.1.1)", "pytest (>=8.3.2)", "pytest-asyncio (>=0.24)", "pytest-cov (>=5)", "pytest-mock (>=3.14)", "pytest-timeout (>=2.3.1)", "virtualenv (>=20.26.3)"]
docs = ["furo (>=2024.8.6)", "sphinx (>=8.0.2)", "sphinx-autodoc-typehints (>=2.4.1)"]
testing = ["covdefaults (>=2.3)", "coverage (>=7.6.1)", "diff-cover (>=9.2)", "pytest (>=8.3.3)", "pytest-asyncio (>=0.24)", "pytest-cov (>=5)", "pytest-mock (>=3.14)", "pytest-timeout (>=2.3.1)", "virtualenv (>=20.26.4)"]
typing = ["typing-extensions (>=4.12.2)"]
[[package]]
@ -706,13 +706,13 @@ flake8 = "*"
[[package]]
name = "identify"
version = "2.6.0"
version = "2.6.1"
description = "File identification library for Python"
optional = false
python-versions = ">=3.8"
files = [
{file = "identify-2.6.0-py2.py3-none-any.whl", hash = "sha256:e79ae4406387a9d300332b5fd366d8994f1525e8414984e1a59e058b2eda2dd0"},
{file = "identify-2.6.0.tar.gz", hash = "sha256:cb171c685bdc31bcc4c1734698736a7d5b6c8bf2e0c15117f4d469c8640ae5cf"},
{file = "identify-2.6.1-py2.py3-none-any.whl", hash = "sha256:53863bcac7caf8d2ed85bd20312ea5dcfc22226800f6d6881f232d861db5a8f0"},
{file = "identify-2.6.1.tar.gz", hash = "sha256:91478c5fb7c3aac5ff7bf9b4344f803843dc586832d5f110d672b19aa1984c98"},
]
[package.extras]
@ -720,15 +720,18 @@ license = ["ukkonen"]
[[package]]
name = "idna"
version = "3.8"
version = "3.10"
description = "Internationalized Domain Names in Applications (IDNA)"
optional = false
python-versions = ">=3.6"
files = [
{file = "idna-3.8-py3-none-any.whl", hash = "sha256:050b4e5baadcd44d760cedbd2b8e639f2ff89bbc7a5730fcc662954303377aac"},
{file = "idna-3.8.tar.gz", hash = "sha256:d838c2c0ed6fced7693d5e8ab8e734d5f8fda53a039c0164afb0b82e771e3603"},
{file = "idna-3.10-py3-none-any.whl", hash = "sha256:946d195a0d259cbba61165e88e65941f16e9b36ea6ddb97f00452bae8b1287d3"},
{file = "idna-3.10.tar.gz", hash = "sha256:12f65c9b470abda6dc35cf8e63cc574b1c52b11df2c86030af0ac09b01b13ea9"},
]
[package.extras]
all = ["flake8 (>=7.1.1)", "mypy (>=1.11.2)", "pytest (>=8.3.2)", "ruff (>=0.6.2)"]
[[package]]
name = "imagesize"
version = "1.4.1"
@ -742,22 +745,26 @@ files = [
[[package]]
name = "importlib-metadata"
version = "8.4.0"
version = "8.5.0"
description = "Read metadata from Python packages"
optional = false
python-versions = ">=3.8"
files = [
{file = "importlib_metadata-8.4.0-py3-none-any.whl", hash = "sha256:66f342cc6ac9818fc6ff340576acd24d65ba0b3efabb2b4ac08b598965a4a2f1"},
{file = "importlib_metadata-8.4.0.tar.gz", hash = "sha256:9a547d3bc3608b025f93d403fdd1aae741c24fbb8314df4b155675742ce303c5"},
{file = "importlib_metadata-8.5.0-py3-none-any.whl", hash = "sha256:45e54197d28b7a7f1559e60b95e7c567032b602131fbd588f1497f47880aa68b"},
{file = "importlib_metadata-8.5.0.tar.gz", hash = "sha256:71522656f0abace1d072b9e5481a48f07c138e00f079c38c8f883823f9c26bd7"},
]
[package.dependencies]
zipp = ">=0.5"
zipp = ">=3.20"
[package.extras]
check = ["pytest-checkdocs (>=2.4)", "pytest-ruff (>=0.2.1)"]
cover = ["pytest-cov"]
doc = ["furo", "jaraco.packaging (>=9.3)", "jaraco.tidelift (>=1.4)", "rst.linker (>=1.9)", "sphinx (>=3.5)", "sphinx-lint"]
enabler = ["pytest-enabler (>=2.2)"]
perf = ["ipython"]
test = ["flufl.flake8", "importlib-resources (>=1.3)", "jaraco.test (>=5.4)", "packaging", "pyfakefs", "pytest (>=6,!=8.1.*)", "pytest-checkdocs (>=2.4)", "pytest-cov", "pytest-enabler (>=2.2)", "pytest-mypy", "pytest-perf (>=0.9.2)", "pytest-ruff (>=0.2.1)"]
test = ["flufl.flake8", "importlib-resources (>=1.3)", "jaraco.test (>=5.4)", "packaging", "pyfakefs", "pytest (>=6,!=8.1.*)", "pytest-perf (>=0.9.2)"]
type = ["pytest-mypy"]
[[package]]
name = "iniconfig"
@ -1034,13 +1041,13 @@ flake8 = ">=5.0.0"
[[package]]
name = "platformdirs"
version = "4.3.2"
version = "4.3.6"
description = "A small Python package for determining appropriate platform-specific dirs, e.g. a `user data dir`."
optional = false
python-versions = ">=3.8"
files = [
{file = "platformdirs-4.3.2-py3-none-any.whl", hash = "sha256:eb1c8582560b34ed4ba105009a4badf7f6f85768b30126f351328507b2beb617"},
{file = "platformdirs-4.3.2.tar.gz", hash = "sha256:9e5e27a08aa095dd127b9f2e764d74254f482fef22b0970773bfba79d091ab8c"},
{file = "platformdirs-4.3.6-py3-none-any.whl", hash = "sha256:73e575e1408ab8103900836b97580d5307456908a03e92031bab39e4554cc3fb"},
{file = "platformdirs-4.3.6.tar.gz", hash = "sha256:357fb2acbc885b0419afd3ce3ed34564c13c9b95c89360cd9563f73aa5e2b907"},
]
[package.extras]
@ -1156,13 +1163,13 @@ windows-terminal = ["colorama (>=0.4.6)"]
[[package]]
name = "pytest"
version = "8.3.2"
version = "8.3.3"
description = "pytest: simple powerful testing with Python"
optional = false
python-versions = ">=3.8"
files = [
{file = "pytest-8.3.2-py3-none-any.whl", hash = "sha256:4ba08f9ae7dcf84ded419494d229b48d0903ea6407b030eaec46df5e6a73bba5"},
{file = "pytest-8.3.2.tar.gz", hash = "sha256:c132345d12ce551242c87269de812483f5bcc87cdbb4722e48487ba194f9fdce"},
{file = "pytest-8.3.3-py3-none-any.whl", hash = "sha256:a6853c7375b2663155079443d2e45de913a911a11d669df02a50814944db57b2"},
{file = "pytest-8.3.3.tar.gz", hash = "sha256:70b98107bd648308a7952b06e6ca9a50bc660be218d53c257cc1fc94fda10181"},
]
[package.dependencies]
@ -1279,13 +1286,13 @@ use-chardet-on-py3 = ["chardet (>=3.0.2,<6)"]
[[package]]
name = "rich"
version = "13.8.0"
version = "13.8.1"
description = "Render rich text, tables, progress bars, syntax highlighting, markdown and more to the terminal"
optional = false
python-versions = ">=3.7.0"
files = [
{file = "rich-13.8.0-py3-none-any.whl", hash = "sha256:2e85306a063b9492dffc86278197a60cbece75bcb766022f3436f567cae11bdc"},
{file = "rich-13.8.0.tar.gz", hash = "sha256:a5ac1f1cd448ade0d59cc3356f7db7a7ccda2c8cbae9c7a90c28ff463d3e91f4"},
{file = "rich-13.8.1-py3-none-any.whl", hash = "sha256:1760a3c0848469b97b558fc61c85233e3dafb69c7a071b4d60c38099d3cd4c06"},
{file = "rich-13.8.1.tar.gz", hash = "sha256:8260cda28e3db6bf04d2d1ef4dbc03ba80a824c88b0e7668a0f23126a424844a"},
]
[package.dependencies]
@ -1297,29 +1304,29 @@ jupyter = ["ipywidgets (>=7.5.1,<9)"]
[[package]]
name = "ruff"
version = "0.6.4"
version = "0.6.5"
description = "An extremely fast Python linter and code formatter, written in Rust."
optional = false
python-versions = ">=3.7"
files = [
{file = "ruff-0.6.4-py3-none-linux_armv6l.whl", hash = "sha256:c4b153fc152af51855458e79e835fb6b933032921756cec9af7d0ba2aa01a258"},
{file = "ruff-0.6.4-py3-none-macosx_10_12_x86_64.whl", hash = "sha256:bedff9e4f004dad5f7f76a9d39c4ca98af526c9b1695068198b3bda8c085ef60"},
{file = "ruff-0.6.4-py3-none-macosx_11_0_arm64.whl", hash = "sha256:d02a4127a86de23002e694d7ff19f905c51e338c72d8e09b56bfb60e1681724f"},
{file = "ruff-0.6.4-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:7862f42fc1a4aca1ea3ffe8a11f67819d183a5693b228f0bb3a531f5e40336fc"},
{file = "ruff-0.6.4-py3-none-manylinux_2_17_armv7l.manylinux2014_armv7l.whl", hash = "sha256:eebe4ff1967c838a1a9618a5a59a3b0a00406f8d7eefee97c70411fefc353617"},
{file = "ruff-0.6.4-py3-none-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:932063a03bac394866683e15710c25b8690ccdca1cf192b9a98260332ca93408"},
{file = "ruff-0.6.4-py3-none-manylinux_2_17_ppc64.manylinux2014_ppc64.whl", hash = "sha256:50e30b437cebef547bd5c3edf9ce81343e5dd7c737cb36ccb4fe83573f3d392e"},
{file = "ruff-0.6.4-py3-none-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:c44536df7b93a587de690e124b89bd47306fddd59398a0fb12afd6133c7b3818"},
{file = "ruff-0.6.4-py3-none-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:0ea086601b22dc5e7693a78f3fcfc460cceabfdf3bdc36dc898792aba48fbad6"},
{file = "ruff-0.6.4-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:0b52387d3289ccd227b62102c24714ed75fbba0b16ecc69a923a37e3b5e0aaaa"},
{file = "ruff-0.6.4-py3-none-musllinux_1_2_aarch64.whl", hash = "sha256:0308610470fcc82969082fc83c76c0d362f562e2f0cdab0586516f03a4e06ec6"},
{file = "ruff-0.6.4-py3-none-musllinux_1_2_armv7l.whl", hash = "sha256:803b96dea21795a6c9d5bfa9e96127cc9c31a1987802ca68f35e5c95aed3fc0d"},
{file = "ruff-0.6.4-py3-none-musllinux_1_2_i686.whl", hash = "sha256:66dbfea86b663baab8fcae56c59f190caba9398df1488164e2df53e216248baa"},
{file = "ruff-0.6.4-py3-none-musllinux_1_2_x86_64.whl", hash = "sha256:34d5efad480193c046c86608dbba2bccdc1c5fd11950fb271f8086e0c763a5d1"},
{file = "ruff-0.6.4-py3-none-win32.whl", hash = "sha256:f0f8968feea5ce3777c0d8365653d5e91c40c31a81d95824ba61d871a11b8523"},
{file = "ruff-0.6.4-py3-none-win_amd64.whl", hash = "sha256:549daccee5227282289390b0222d0fbee0275d1db6d514550d65420053021a58"},
{file = "ruff-0.6.4-py3-none-win_arm64.whl", hash = "sha256:ac4b75e898ed189b3708c9ab3fc70b79a433219e1e87193b4f2b77251d058d14"},
{file = "ruff-0.6.4.tar.gz", hash = "sha256:ac3b5bfbee99973f80aa1b7cbd1c9cbce200883bdd067300c22a6cc1c7fba212"},
{file = "ruff-0.6.5-py3-none-linux_armv6l.whl", hash = "sha256:7e4e308f16e07c95fc7753fc1aaac690a323b2bb9f4ec5e844a97bb7fbebd748"},
{file = "ruff-0.6.5-py3-none-macosx_10_12_x86_64.whl", hash = "sha256:932cd69eefe4daf8c7d92bd6689f7e8182571cb934ea720af218929da7bd7d69"},
{file = "ruff-0.6.5-py3-none-macosx_11_0_arm64.whl", hash = "sha256:3a8d42d11fff8d3143ff4da41742a98f8f233bf8890e9fe23077826818f8d680"},
{file = "ruff-0.6.5-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:a50af6e828ee692fb10ff2dfe53f05caecf077f4210fae9677e06a808275754f"},
{file = "ruff-0.6.5-py3-none-manylinux_2_17_armv7l.manylinux2014_armv7l.whl", hash = "sha256:794ada3400a0d0b89e3015f1a7e01f4c97320ac665b7bc3ade24b50b54cb2972"},
{file = "ruff-0.6.5-py3-none-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:381413ec47f71ce1d1c614f7779d88886f406f1fd53d289c77e4e533dc6ea200"},
{file = "ruff-0.6.5-py3-none-manylinux_2_17_ppc64.manylinux2014_ppc64.whl", hash = "sha256:52e75a82bbc9b42e63c08d22ad0ac525117e72aee9729a069d7c4f235fc4d276"},
{file = "ruff-0.6.5-py3-none-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:09c72a833fd3551135ceddcba5ebdb68ff89225d30758027280968c9acdc7810"},
{file = "ruff-0.6.5-py3-none-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:800c50371bdcb99b3c1551d5691e14d16d6f07063a518770254227f7f6e8c178"},
{file = "ruff-0.6.5-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:8e25ddd9cd63ba1f3bd51c1f09903904a6adf8429df34f17d728a8fa11174253"},
{file = "ruff-0.6.5-py3-none-musllinux_1_2_aarch64.whl", hash = "sha256:7291e64d7129f24d1b0c947ec3ec4c0076e958d1475c61202497c6aced35dd19"},
{file = "ruff-0.6.5-py3-none-musllinux_1_2_armv7l.whl", hash = "sha256:9ad7dfbd138d09d9a7e6931e6a7e797651ce29becd688be8a0d4d5f8177b4b0c"},
{file = "ruff-0.6.5-py3-none-musllinux_1_2_i686.whl", hash = "sha256:005256d977021790cc52aa23d78f06bb5090dc0bfbd42de46d49c201533982ae"},
{file = "ruff-0.6.5-py3-none-musllinux_1_2_x86_64.whl", hash = "sha256:482c1e6bfeb615eafc5899127b805d28e387bd87db38b2c0c41d271f5e58d8cc"},
{file = "ruff-0.6.5-py3-none-win32.whl", hash = "sha256:cf4d3fa53644137f6a4a27a2b397381d16454a1566ae5335855c187fbf67e4f5"},
{file = "ruff-0.6.5-py3-none-win_amd64.whl", hash = "sha256:3e42a57b58e3612051a636bc1ac4e6b838679530235520e8f095f7c44f706ff9"},
{file = "ruff-0.6.5-py3-none-win_arm64.whl", hash = "sha256:51935067740773afdf97493ba9b8231279e9beef0f2a8079188c4776c25688e0"},
{file = "ruff-0.6.5.tar.gz", hash = "sha256:4d32d87fab433c0cf285c3683dd4dae63be05fd7a1d65b3f5bf7cdd05a6b96fb"},
]
[[package]]
@ -1335,18 +1342,18 @@ files = [
[[package]]
name = "setuptools"
version = "74.1.2"
version = "75.1.0"
description = "Easily download, build, install, upgrade, and uninstall Python packages"
optional = false
python-versions = ">=3.8"
files = [
{file = "setuptools-74.1.2-py3-none-any.whl", hash = "sha256:5f4c08aa4d3ebcb57a50c33b1b07e94315d7fc7230f7115e47fc99776c8ce308"},
{file = "setuptools-74.1.2.tar.gz", hash = "sha256:95b40ed940a1c67eb70fc099094bd6e99c6ee7c23aa2306f4d2697ba7916f9c6"},
{file = "setuptools-75.1.0-py3-none-any.whl", hash = "sha256:35ab7fd3bcd95e6b7fd704e4a1539513edad446c097797f2985e0e4b960772f2"},
{file = "setuptools-75.1.0.tar.gz", hash = "sha256:d59a21b17a275fb872a9c3dae73963160ae079f1049ed956880cd7c09b120538"},
]
[package.extras]
check = ["pytest-checkdocs (>=2.4)", "pytest-ruff (>=0.2.1)", "ruff (>=0.5.2)"]
core = ["importlib-metadata (>=6)", "importlib-resources (>=5.10.2)", "jaraco.text (>=3.7)", "more-itertools (>=8.8)", "packaging (>=24)", "platformdirs (>=2.6.2)", "tomli (>=2.0.1)", "wheel (>=0.43.0)"]
core = ["importlib-metadata (>=6)", "importlib-resources (>=5.10.2)", "jaraco.collections", "jaraco.functools", "jaraco.text (>=3.7)", "more-itertools", "more-itertools (>=8.8)", "packaging", "packaging (>=24)", "platformdirs (>=2.6.2)", "tomli (>=2.0.1)", "wheel (>=0.43.0)"]
cover = ["pytest-cov"]
doc = ["furo", "jaraco.packaging (>=9.3)", "jaraco.tidelift (>=1.4)", "pygments-github-lexers (==0.0.5)", "pyproject-hooks (!=1.1)", "rst.linker (>=1.9)", "sphinx (>=3.5)", "sphinx-favicon", "sphinx-inline-tabs", "sphinx-lint", "sphinx-notfound-page (>=1,<2)", "sphinx-reredirects", "sphinxcontrib-towncrier", "towncrier (<24.7)"]
enabler = ["pytest-enabler (>=2.2)"]
@ -1586,13 +1593,13 @@ files = [
[[package]]
name = "urllib3"
version = "2.2.2"
version = "2.2.3"
description = "HTTP library with thread-safe connection pooling, file post, and more."
optional = false
python-versions = ">=3.8"
files = [
{file = "urllib3-2.2.2-py3-none-any.whl", hash = "sha256:a448b2f64d686155468037e1ace9f2d2199776e17f0a46610480d311f73e3472"},
{file = "urllib3-2.2.2.tar.gz", hash = "sha256:dd505485549a7a552833da5e6063639d0d177c04f23bc3864e41e5dc5f612168"},
{file = "urllib3-2.2.3-py3-none-any.whl", hash = "sha256:ca899ca043dcb1bafa3e262d73aa25c465bfb49e0bd9dd5d59f1d0acba2f8fac"},
{file = "urllib3-2.2.3.tar.gz", hash = "sha256:e7d814a81dad81e6caf2ec9fdedb284ecc9c73076b62654547cc64ccdcae26e9"},
]
[package.extras]
@ -1603,13 +1610,13 @@ zstd = ["zstandard (>=0.18.0)"]
[[package]]
name = "virtualenv"
version = "20.26.4"
version = "20.26.5"
description = "Virtual Python Environment builder"
optional = false
python-versions = ">=3.7"
files = [
{file = "virtualenv-20.26.4-py3-none-any.whl", hash = "sha256:48f2695d9809277003f30776d155615ffc11328e6a0a8c1f0ec80188d7874a55"},
{file = "virtualenv-20.26.4.tar.gz", hash = "sha256:c17f4e0f3e6036e9f26700446f85c76ab11df65ff6d8a9cbfad9f71aabfcf23c"},
{file = "virtualenv-20.26.5-py3-none-any.whl", hash = "sha256:4f3ac17b81fba3ce3bd6f4ead2749a72da5929c01774948e243db9ba41df4ff6"},
{file = "virtualenv-20.26.5.tar.gz", hash = "sha256:ce489cac131aa58f4b25e321d6d186171f78e6cb13fafbf32a840cee67733ff4"},
]
[package.dependencies]
@ -1654,13 +1661,13 @@ tests-strict = ["pytest (==4.6.0)", "pytest (==6.2.5)", "pytest-cov (==3.0.0)"]
[[package]]
name = "zipp"
version = "3.20.1"
version = "3.20.2"
description = "Backport of pathlib-compatible object wrapper for zip files"
optional = false
python-versions = ">=3.8"
files = [
{file = "zipp-3.20.1-py3-none-any.whl", hash = "sha256:9960cd8967c8f85a56f920d5d507274e74f9ff813a0ab8889a5b5be2daf44064"},
{file = "zipp-3.20.1.tar.gz", hash = "sha256:c22b14cc4763c5a5b04134207736c107db42e9d3ef2d9779d465f5f1bcba572b"},
{file = "zipp-3.20.2-py3-none-any.whl", hash = "sha256:a817ac80d6cf4b23bf7f2828b7cabf326f15a001bea8b1f9b49631780ba28350"},
{file = "zipp-3.20.2.tar.gz", hash = "sha256:bc9eb26f4506fda01b81bcde0ca78103b6e62f991b381fec825435c836edbc29"},
]
[package.extras]
@ -1674,4 +1681,4 @@ type = ["pytest-mypy"]
[metadata]
lock-version = "2.0"
python-versions = "^3.9"
content-hash = "3a34bd29eb4226a6054fe5ddba556605fcd621ceff7661334edf429d715c320f"
content-hash = "e9e490a864511852844926112978e57c1421328f6231437f8f280ddfc88cecde"

View file

@ -30,6 +30,8 @@ repository = "https://github.com/webartifex/lalib"
python = "^3.9"
typing-extensions = [ { python = "<3.11", version = "^4.12" } ] # to support Python 3.9 & 3.10
[tool.poetry.group.dev.dependencies]
@ -78,6 +80,7 @@ semver = "^3.0" # to test the version identifier
tomli = [ { python = "<3.11", version = "^2.0" } ]
xdoctest = { extras = ["colors"], version = "^1.2" }
[tool.poetry.urls]
"Issues Tracker" = "https://github.com/webartifex/lalib/issues"
@ -121,6 +124,16 @@ show_missing = true
skip_covered = true
skip_empty = true
exclude_lines = [
# "pragma: no cover"
# => Intentionally commented out as we thrive for 100% test coverage
# PyPI's "typing-extensions" are needed to make `mypy` work
"pragma: no cover ${PRAGMA_SUPPORT_39_N_310}",
]
[tool.coverage.run]
@ -177,6 +190,8 @@ extend-ignore = [ # never check the following codes
"ANN401", # allow dynamically typed expressions with `typing.Any`
"DOC301", # PEP257 => class constructor's docstring go in `.__init__()`
# Comply with black's style
# Sources: https://black.readthedocs.io/en/stable/guides/using_black_with_other_tools.html#pycodestyle
"E203", "E701", "E704", "W503",

View file

@ -4,10 +4,26 @@ First, verify that your installation of `lalib` works:
>>> import lalib
>>> lalib.__version__ != '0.0.0'
True
`lalib` exposes its very own "words" (i.e., its public API) at the root
of the package. They can be imported all at once with:
>>> from lalib import *
In addition to Python's built-in numbers, `lalib` comes with a couple of
specific numeric data types, for example, `one` and `zero` representing
the two elements of the Galois field `GF2`:
>>> one + one
zero
>>> one + zero
one
"""
from importlib import metadata
from lalib.elements import gf2
try:
pkg_info = metadata.metadata(__name__)
@ -24,4 +40,15 @@ else:
del pkg_info
GF2, one, zero = gf2.GF2, gf2.one, gf2.zero
del gf2
del metadata
__all__ = (
"GF2",
"one",
"zero",
)

View file

@ -0,0 +1,34 @@
"""Various elements of various fields.
Import the objects like so:
>>> from lalib.elements import *
Then, use them:
>>> one + zero
one
>>> GF2(0)
zero
>>> GF2(42)
Traceback (most recent call last):
...
ValueError: ...
>>> GF2(42, strict=False)
one
"""
from lalib.elements import gf2
GF2, one, zero = gf2.GF2, gf2.one, gf2.zero
del gf2
__all__ = (
"GF2",
"one",
"zero",
)

535
src/lalib/elements/gf2.py Normal file
View file

@ -0,0 +1,535 @@
"""A Galois field implementation with two elements.
This module defines two singleton objects, `one` and `zero`,
that follow the rules of a Galois field of two elements,
or `GF2` for short:
>>> one + one
zero
>>> zero + one
one
>>> one * one
one
>>> one * zero
zero
They mix with numbers that compare equal to either `1` or `0`,
for example:
>>> one + 1
zero
>>> 0 * zero
zero
Further usage explanations of `one` and `zero`
can be found in the various docstrings of the `GF2` class.
"""
import abc
import functools
import math
import numbers
# When giving up support for Python 3.9, we can get rid of `Optional`
from typing import Callable, ClassVar, Literal, Optional
try:
from typing import Self
except ImportError: # pragma: no cover to support Python 3.9 & 3.10
from typing_extensions import Self
THRESHOLD = 1e-12
def to_gf2(
value: complex, # `mypy` reads `complex | float | int`
*,
strict: bool = True,
threshold: float = THRESHOLD,
) -> int:
"""Cast a number as a possible Galois field value: `1` or `0`.
By default, the `value` is parsed in a `strict` mode where
`value`s equal to `1` or `0` within the specified `threshold`
return either `1` or `0` exactly.
Args:
value: to be cast; must behave like a number;
for `complex` numbers their `.real` part is used
strict: if `True`, only accept `value`s equal to
`1` or `0` within the `threshold` as `1` or `0`;
otherwise, cast any number different from `0` as `1`
threshold: used for the equality checks to find
`1`-like and `0`-like `value`s
Returns:
either `1` or `0`
Raises:
TypeError: `value` does not behave like a number
ValueError: `value != 1` or `value != 0` in `strict` mode
"""
try:
value = complex(value)
except (TypeError, ValueError):
msg = "`value` must be a number"
raise TypeError(msg) from None
if not (abs(value.imag) < threshold):
msg = "`value` must be either `1`-like or `0`-like"
raise ValueError(msg)
value = value.real
if math.isnan(value):
msg = "`value` must be either `1`-like or `0`-like"
raise ValueError(msg)
if strict:
if abs(value - 1) < threshold:
return 1
if abs(value) < threshold:
return 0
msg = "`value` must be either `1`-like or `0`-like"
raise ValueError(msg)
if abs(value) < threshold:
return 0
return 1
class _GF2Meta(abc.ABCMeta):
"""Make data type of `one` and `zero` appear to be `GF2`."""
def __repr__(cls) -> str:
return "GF2"
@functools.total_ordering
class GF2(metaclass=_GF2Meta):
"""A Galois field value: either `one` or `zero`.
Implements the singleton design pattern such that
only one instance per field value exists in the
computer's memory, i.e., there is only one `one`
and one `zero` object at all times.
"""
_instances: ClassVar = {}
_value: int
@staticmethod
def __new__(
cls: type[Self],
value: object = None,
*,
strict: bool = True,
threshold: float = THRESHOLD,
) -> Self:
"""See docstring for `.__init__()`."""
if isinstance(value, cls):
return value
if value is None:
try:
value = cls._value
except AttributeError:
try:
return cls._instances[0]
except KeyError:
msg = "Must create `one` and `zero` first (internal error)"
raise RuntimeError(msg) from None
else:
value = to_gf2(value, strict=strict, threshold=threshold) # type: ignore[arg-type]
try:
return cls._instances[value]
except KeyError:
obj = super().__new__(cls)
cls._instances[int(obj)] = obj
return obj
def __init__(
self,
value: object = None,
*,
strict: bool = True,
threshold: float = THRESHOLD,
) -> None:
"""Obtain one of two objects: `one` or `zero`.
Args:
value: to be cast; must behave like a number;
for `complex` numbers their `.real` part is used
strict: if `True`, only accept `value`s equal to
`1` or `0` within the `threshold` as `one` or `zero`;
otherwise, cast any number different from `0` as `one`
threshold: used for the equality checks to find
`1`-like and `0`-like `value`s
Returns:
either `one` or `zero`
Raises:
TypeError: `value` does not behave like a number
ValueError: `value != 1` or `value != 0` in `strict` mode
"""
def __repr__(self) -> str:
"""Text representation: `repr(one)` and `repr(zero)`.
`eval(repr(self)) == self` must be `True`; in other words,
the text representation of an object must be valid code on its
own and evaluate into a (new) object with the same value.
See: https://docs.python.org/3/reference/datamodel.html#object.__repr__
"""
return "one" if self._value else "zero"
__str__ = __repr__
def __complex__(self) -> complex:
"""Cast `self` as a `complex` number: `complex(self)`."""
return complex(self._value, 0)
def __float__(self) -> float:
"""Cast `self` as a `float`ing-point number: `float(self)`."""
return float(self._value)
def __int__(self) -> int:
"""Cast `self` as a `int`: `int(self)`."""
return int(self._value)
__hash__ = __int__
def __bool__(self) -> bool:
"""Cast `self` as a `bool`ean: `bool(self)`.
Example usage:
>>> bool(zero)
False
>>> if zero + one:
... result = one
... else:
... result = zero
>>> result
one
"""
return bool(self._value)
def __abs__(self) -> Self:
"""Take the absolute value of `self`: `abs(self)`."""
return self
def __trunc__(self) -> int:
"""Truncate `self` to the next `int`: `math.trunc(self)`."""
return int(self)
def __floor__(self) -> int:
"""Round `self` down to the next `int`: `math.floor(self)`."""
return int(self)
def __ceil__(self) -> int:
"""Round `self` up to the next `int`: `math.ceil(self)`."""
return int(self)
def __round__(self, ndigits: Optional[int] = 0) -> int:
"""Round `self` to the next `int`: `round(self)`."""
return int(self)
@property
def real(self) -> int:
"""The `.real` part of a `complex` number.
For a non-`complex` number this is the number itself.
"""
# Return an `int` to align with `.imag` above
return int(self._value)
@property
def imag(self) -> Literal[0]:
"""The `.imag`inary part of a `complex` number.
For a non-`complex` number this is always `0`.
"""
# `numbers.Real` returns an `int` here
# whereas `numbers.Complex` returns a `float`
# => must return an `int` to make `mypy` happy
return 0
def conjugate(self) -> Self:
"""The conjugate of a `complex` number.
For a non-`complex` number this is the number itself.
"""
return self
@property
def numerator(self) -> int:
"""Smallest numerator when expressed as a `Rational` number.
Either `1` or `0`.
Reasoning:
- `int(one) == 1` => `GF2(1 / 1) == one`
- `int(zero) == 0` => `GF2(0 / 1) == zero`
See also docstring for `.denominator`.
"""
return int(self)
@property
def denominator(self) -> Literal[1]:
"""Smallest denominator when expressed as a `Rational` number.
Always `1` for `GF2` values.
See also docstring for `.numerator`.
"""
return 1
def __eq__(self, other: object) -> bool:
"""Comparison: `self == other`.
Example usage:
>>> zero == one
False
>>> one == one
True
>>> one != zero
True
>>> one == 1
True
"""
try:
other = GF2(other)
except (TypeError, ValueError):
return False
else:
return self is other # `one` and `zero` are singletons
def __lt__(self, other: object) -> bool:
"""Comparison: `self < other`.
Example usage:
>>> zero < one
True
>>> one < one
False
>>> 0 < one
True
"""
try:
other = GF2(other)
except TypeError:
return NotImplemented
except ValueError:
msg = "`other` must be either `1`-like or `0`-like"
raise ValueError(msg) from None
else:
return int(self) < int(other)
def __le__(self, other: object) -> bool:
"""Comparison: `self <= other`.
Example usage:
>>> zero <= one
True
>>> zero <= zero
True
>>> one <= zero
False
>>> zero <= 1
True
"""
# The `numbers.Rational` abstract base class requires both
# `.__lt__()` and `.__le__()` to be present alongside
# `.__eq__()` => `@functools.total_ordering` is not enough
return self == other or self < other
def _compute(self, other: object, func: Callable) -> Self:
"""Run arithmetic operations using `int`s.
The `GF2` atithmetic operations can transparently be conducted
by converting `self` and `other` into `int`s first, and
then "do the math".
Besides the generic arithmetic, this method also handles the
casting of non-`GF2` values and various errors occuring
along the way.
"""
try:
other = GF2(other)
except TypeError:
return NotImplemented
except ValueError:
msg = "`other` must be a `1`-like or `0`-like value"
raise ValueError(msg) from None
else:
try:
return self.__class__(func(int(self), int(other)))
except ZeroDivisionError:
msg = "division by `0`-like value"
raise ZeroDivisionError(msg) from None
def __pos__(self) -> Self:
"""Make `self` positive: `+self`."""
return self
def __neg__(self) -> Self:
"""Make `self` negative: `-self`."""
return self
def __add__(self, other: object) -> Self:
"""Addition / Subtraction: `self + other` / `self - other`.
For `GF2`, addition and subtraction are identical. Besides
`one + one` which cannot result in a "two", all operations
behave as one would expect from `int`s.
Example usage:
>>> one + one
zero
>>> one + zero
one
>>> zero - one
one
>>> zero + 0
zero
>>> 1 + one
zero
"""
return self._compute(other, lambda s, o: (s + o) % 2)
__radd__ = __add__
__sub__ = __add__
__rsub__ = __add__
def __mul__(self, other: object) -> Self:
"""Multiplication: `self * other`.
Multiplying `GF2` values is like multiplying `int`s.
Example usage:
>>> one * one
one
>>> zero * one
zero
>>> 0 * one
zero
"""
return self._compute(other, lambda s, o: s * o)
__rmul__ = __mul__
def __truediv__(self, other: object) -> Self:
"""Division: `self / other` and `self // other`.
Dividing `GF2` values is like dividing `int`s.
Example usage:
>>> one / one
one
>>> zero // one
zero
>>> one / zero
Traceback (most recent call last):
...
ZeroDivisionError: ...
>>> 1 // one
one
"""
return self._compute(other, lambda s, o: s / o)
__floordiv__ = __truediv__
def __rtruediv__(self, other: object) -> Self:
"""(Reflected) Division: `other / self` and `other // self`.
See docstring for `.__truediv__()`.
"""
return self._compute(other, lambda s, o: o / s)
__rfloordiv__ = __rtruediv__
def __mod__(self, other: object) -> Self:
"""Modulo Division: `self % other`.
Modulo dividing `GF2` values is like modulo dividing `int`s.
Example usage:
>>> one % one
zero
>>> zero % one
zero
>>> one % zero
Traceback (most recent call last):
...
ZeroDivisionError: ...
>>> 1 % one
zero
"""
return self._compute(other, lambda s, o: s % o)
def __rmod__(self, other: object) -> Self:
"""(Reflected) Modulo Division: `other % self`.
See docstring for `.__mod__()`.
"""
return self._compute(other, lambda s, o: o % s)
def __pow__(self, other: object, _modulo: Optional[object] = None) -> Self:
"""Exponentiation: `self ** other`.
Powers of `GF2` values are like powers of `int`s.
Example usage:
>>> one ** one
one
>>> zero ** one
zero
>>> one ** zero
one
>>> 1 ** one
one
"""
return self._compute(other, lambda s, o: s**o)
def __rpow__(self, other: object, _modulo: Optional[object] = None) -> Self:
"""(Reflected) Exponentiation: `other ** self`.
See docstring for `.__pow__()`.
"""
return self._compute(other, lambda s, o: o**s)
numbers.Rational.register(GF2)
class GF2One(GF2):
"""The Galois field value `one`."""
_value = 1
class GF2Zero(GF2):
"""The Galois field value `zero`."""
_value = 0
one = GF2One()
zero = GF2Zero()

View file

@ -0,0 +1 @@
"""Tests for the `lalib.elements` sub-package."""

832
tests/elements/test_gf2.py Normal file
View file

@ -0,0 +1,832 @@
"""Test the `GF2` singeltons `one` and `zero`."""
import decimal
import fractions
import importlib
import math
import numbers
import operator
import os
import sys
import pytest
from lalib.elements import gf2
one, zero = (
gf2.one,
gf2.zero,
)
to_gf2 = gf2.to_gf2
GF2, GF2One, GF2Zero = (
gf2.GF2,
gf2.GF2One,
gf2.GF2Zero,
)
_THRESHOLD = gf2.THRESHOLD
del gf2
CROSS_REFERENCE = not os.environ.get("NO_CROSS_REFERENCE")
default_threshold = _THRESHOLD
within_threshold = _THRESHOLD / 10
not_within_threshold = _THRESHOLD * 10
strict_one_like_values = (
1,
1.0,
1.0 + within_threshold,
(1 + 0j),
(1 + 0j) + complex(0, within_threshold),
(1 + 0j) + complex(within_threshold, 0),
decimal.Decimal("1"),
fractions.Fraction(1, 1),
"1",
"1.0",
"1+0j",
)
non_strict_one_like_values = (
0.0 + not_within_threshold,
1.0 + not_within_threshold,
(1 + 0j) + complex(not_within_threshold, 0),
42,
decimal.Decimal("42"),
fractions.Fraction(42, 1),
"42",
"42.0",
"42+0j",
"+inf",
"-inf",
)
one_like_values = strict_one_like_values + non_strict_one_like_values
zero_like_values = (
0,
0.0,
0.0 + within_threshold,
(0 + 0j),
(0 + 0j) + complex(0, within_threshold),
(0 + 0j) + complex(within_threshold, 0),
decimal.Decimal("0"),
fractions.Fraction(0, 1),
"0",
"0.0",
"0+0j",
)
def test_thresholds():
"""Sanity check for the thresholds used in the tests below."""
assert within_threshold < default_threshold < not_within_threshold
class TestGF2Casting:
"""Test the `to_gf2()` function.
`to_gf2(...)` casts numbers into either `1` or `0`.
"""
@pytest.mark.parametrize("value", strict_one_like_values)
def test_cast_ones_strictly(self, value):
"""`to_gf2(value, strict=True)` returns `1`."""
result1 = to_gf2(value) # `strict=True` by default
assert result1 == 1
result2 = to_gf2(value, strict=True)
assert result2 == 1
@pytest.mark.parametrize("value", one_like_values)
def test_cast_ones_not_strictly(self, value):
"""`to_gf2(value, strict=False)` returns `1`."""
result = to_gf2(value, strict=False)
assert result == 1
@pytest.mark.parametrize("value", non_strict_one_like_values)
def test_cannot_cast_ones_strictly(self, value):
"""`to_gf2(value, strict=False)` returns `1`."""
with pytest.raises(ValueError, match="`1`-like or `0`-like"):
to_gf2(value)
with pytest.raises(ValueError, match="`1`-like or `0`-like"):
to_gf2(value, strict=True)
@pytest.mark.parametrize("value", zero_like_values)
def test_cast_zeros(self, value):
"""`to_gf2(value, strict=...)` returns `0`."""
result1 = to_gf2(value) # `strict=True` by default
assert result1 == 0
result2 = to_gf2(value, strict=True)
assert result2 == 0
result3 = to_gf2(value, strict=False)
assert result3 == 0
@pytest.mark.parametrize(
"value",
[
complex(1, not_within_threshold),
complex(0, not_within_threshold),
],
)
@pytest.mark.parametrize("strict", [True, False])
def test_cannot_cast_with_non_zero_imag_part(self, value, strict):
"""Cannot create `1` or `0` if `.imag != 0`."""
with pytest.raises(ValueError, match="`1`-like or `0`-like"):
to_gf2(value, strict=strict)
@pytest.mark.parametrize("value", ["abc", (1,), [1]])
@pytest.mark.parametrize("strict", [True, False])
def test_cannot_cast_from_wrong_type(self, value, strict):
"""Cannot create `1` or `0` from a non-numeric value."""
with pytest.raises(TypeError):
to_gf2(value, strict=strict)
@pytest.mark.parametrize("strict", [True, False])
def test_cannot_cast_from_nan_value(self, strict):
"""Cannot create `1` or `0` from undefined value."""
with pytest.raises(ValueError, match="`1`-like or `0`-like"):
to_gf2(float("NaN"), strict=strict)
@pytest.mark.parametrize("cls", [GF2, GF2One, GF2Zero])
class TestGF2ConstructorWithCastedValue:
"""Test the `GF2` class's constructor.
`GF2(value, ...)` returns either `one` or `zero`.
"""
@pytest.mark.parametrize("value", strict_one_like_values)
def test_cast_ones_strictly(self, cls, value):
"""`GF2(value, strict=True)` returns `one`."""
result1 = cls(value) # `strict=True` by default
assert result1 is one
result2 = cls(value, strict=True)
assert result2 is one
@pytest.mark.parametrize("value", one_like_values)
def test_cast_ones_not_strictly(self, cls, value):
"""`GF2(value, strict=False)` returns `one`."""
result = cls(value, strict=False)
assert result is one
@pytest.mark.parametrize("value", non_strict_one_like_values)
def test_cannot_cast_ones_strictly(self, cls, value):
"""`GF2(value, strict=False)` returns `1`."""
with pytest.raises(ValueError, match="`1`-like or `0`-like"):
cls(value)
with pytest.raises(ValueError, match="`1`-like or `0`-like"):
cls(value, strict=True)
@pytest.mark.parametrize("value", zero_like_values)
def test_cast_zeros(self, cls, value):
"""`GF2(value, strict=...)` returns `zero`."""
result1 = cls(value) # `strict=True` by default
assert result1 is zero
result2 = cls(value, strict=True)
assert result2 is zero
result3 = cls(value, strict=False)
assert result3 is zero
@pytest.mark.parametrize(
"value",
[
complex(1, not_within_threshold),
complex(0, not_within_threshold),
],
)
@pytest.mark.parametrize("strict", [True, False])
def test_cannot_cast_with_non_zero_imag_part(self, cls, value, strict):
"""Cannot create `one` or `zero` if `.imag != 0`."""
with pytest.raises(ValueError, match="`1`-like or `0`-like"):
cls(value, strict=strict)
@pytest.mark.parametrize("value", ["abc", (1,), [1]])
@pytest.mark.parametrize("strict", [True, False])
def test_cannot_cast_from_wrong_type(self, cls, value, strict):
"""Cannot create `one` or `zero` from a non-numeric value."""
with pytest.raises(TypeError):
cls(value, strict=strict)
@pytest.mark.parametrize("strict", [True, False])
def test_cannot_cast_from_nan_value(self, cls, strict):
"""Cannot create `one` or `zero` from undefined value."""
with pytest.raises(ValueError, match="`1`-like or `0`-like"):
cls(float("NaN"), strict=strict)
@pytest.mark.parametrize("scaler", [1, 10, 100, 1000])
def test_get_one_if_within_threshold(self, cls, scaler):
"""`GF2()` returns `one` if `value` is larger than `threshold`."""
# `not_within_threshold` is larger than the `default_threshold`
# but still different from `1` => `strict=False`
value = scaler * not_within_threshold
threshold = scaler * default_threshold
result = cls(value, strict=False, threshold=threshold)
assert result is one
@pytest.mark.parametrize("scaler", [1, 10, 100, 1000])
@pytest.mark.parametrize("strict", [True, False])
def test_get_zero_if_within_threshold(self, cls, scaler, strict):
"""`GF2()` returns `zero` if `value` is smaller than `threshold`."""
# `within_threshold` is smaller than the `default_threshold`
value = scaler * within_threshold
threshold = scaler * default_threshold
result = cls(value, strict=strict, threshold=threshold)
assert result is zero
@pytest.mark.parametrize("strict", [True, False])
class TestGF2ConstructorWithoutCastedValue:
"""Test the `GF2` class's constructor.
`GF2()` returns either `one` or `zero`.
"""
def test_get_one_from_sub_class_with_no_input_value(self, strict):
"""`GF2One()` returns `one`."""
result = GF2One(strict=strict)
assert result is one
@pytest.mark.parametrize("cls", [GF2, GF2Zero])
def test_get_zero_with_no_input_value(self, cls, strict):
"""`GF2()` and `GF2Zero()` return `zero`."""
result = cls(strict=strict)
assert result is zero
class TestGenericBehavior:
"""Test the classes behind `one` and `zero`."""
def test_cannot_instantiate_base_class_alone(self, monkeypatch):
"""`GF2One` and `GF2Zero` must be instantiated before `GF2`."""
monkeypatch.setattr(GF2, "_instances", {})
with pytest.raises(RuntimeError, match="internal error"):
GF2()
@pytest.mark.parametrize("cls", [GF2, GF2One, GF2Zero])
def test_create_singletons(self, cls):
"""Singleton pattern: The classes always return the same instance."""
first = cls()
second = cls()
assert first is second
@pytest.mark.parametrize("obj", [one, zero])
def test_sub_classes_return_objs(self, obj):
"""`type(one)` and `type(zero)` return ...
the sub-classes that create `one` and `zero`.
"""
sub_cls = type(obj)
assert sub_cls is not GF2
new_obj = sub_cls()
assert new_obj is obj
@pytest.mark.parametrize("obj", [one, zero])
@pytest.mark.parametrize(
"type_",
[
numbers.Number,
numbers.Complex,
numbers.Real,
numbers.Rational,
],
)
def test_objs_are_numbers(self, obj, type_):
"""`one` and `zero` are officially `Numbers`s."""
assert isinstance(obj, type_)
@pytest.mark.parametrize("cls", [GF2, GF2One, GF2Zero])
@pytest.mark.parametrize(
"method",
[
"__abs__",
"__trunc__",
"__floor__",
"__ceil__",
"__round__",
"__floordiv__",
"__rfloordiv__",
"__mod__",
"__rmod__",
"__lt__",
"__le__",
"numerator",
"denominator",
],
)
@pytest.mark.parametrize("value", [1, 0])
def test_classes_fulfill_rational_numbers_abc(
self,
cls,
method,
monkeypatch,
value,
):
"""Ensure all of `numbers.Rational`'s abstact methods are implemented."""
monkeypatch.setattr(GF2, "_instances", {})
monkeypatch.delattr(GF2, method)
sub_cls = type("GF2Baby", (cls, numbers.Rational), {})
with pytest.raises(TypeError, match="instantiate abstract class"):
sub_cls(value)
@pytest.mark.parametrize("func", [repr, str])
@pytest.mark.parametrize("obj", [one, zero])
def test_text_repr_for_objs(self, func, obj):
"""`repr(one)` and `repr(zero)` return "one" and "zero" ...
... which is valid code evaluating into the objects themselves.
`str()` does the same as `repr()`.
"""
new_obj = eval(func(obj)) # noqa: S307
assert new_obj is obj
@pytest.mark.parametrize("func", [repr, str])
@pytest.mark.parametrize("obj", [one, zero])
def test_text_repr_for_classes(self, func, obj):
"""'GF2' is the text representation for all sub-classes ...
... which is valid code referring to the base class `GF2`.
`GF2()` returns `zero` if called without arguments.
"""
base_cls = eval(func(type(obj))) # noqa: S307
assert base_cls is GF2
new_obj = base_cls()
assert new_obj is zero
class TestNumericBehavior:
"""Test how `one` and `zero` behave like numbers."""
def test_make_complex(self):
"""`one` and `zero` behave like `1 + 0j` and `0 + 0j`."""
assert (complex(one), complex(zero)) == (1 + 0j, 0 + 0j)
def test_make_float(self):
"""`one` and `zero` behave like `1.0` and `0.0`."""
assert (float(one), float(zero)) == (1.0, 0.0)
@pytest.mark.parametrize("func", [int, hash])
def test_make_int(self, func):
"""`one` and `zero` behave like `1` and `0`.
That also holds true for their hash values.
"""
assert (func(one), func(zero)) == (1, 0)
def test_make_bool(self):
"""`one` and `zero` behave like `True` and `False`."""
assert (bool(one), bool(zero)) == (True, False)
@pytest.mark.parametrize("obj", [one, zero])
def test_get_abs_value(self, obj):
"""`abs(one)` and `abs(zero)` are `one` and `zero`."""
assert abs(obj) is obj
@pytest.mark.parametrize("obj", [one, zero])
@pytest.mark.parametrize("func", [math.trunc, math.floor, math.ceil, round])
def test_round_obj(self, obj, func):
"""`func(one)` and `func(zero)` equal `1` and `0`."""
assert func(obj) in (1, 0)
if CROSS_REFERENCE:
assert func(obj) == obj
def test_real_part(self):
"""`one.real` and `zero.real` are `1` and `0`."""
assert (one.real, zero.real) == (1, 0)
def test_imag_part(self):
"""`one.imag` and `zero.imag` are `0`."""
assert (one.imag, zero.imag) == (0, 0)
def test_conjugate(self):
"""`one.conjugate()` and `zero.conjugate()` are `1 + 0j` and `0 + 0j`."""
assert (one.conjugate(), zero.conjugate()) == (1 + 0j, 0 + 0j)
def test_one_as_fraction(self):
"""`one.numerator / one.denominator` equals `1`."""
assert (one.numerator, one.denominator) == (1, 1)
def test_zero_as_fraction(self):
"""`one.numerator / one.denominator` equals `0`."""
assert (zero.numerator, zero.denominator) == (0, 1)
class TestComparison:
"""Test `one` and `zero` interact with relational operators."""
@pytest.mark.parametrize("obj", [one, zero])
def test_equal_to_itself(self, obj):
"""`one` and `zero` are equal to themselves."""
assert obj == obj # noqa: PLR0124
@pytest.mark.parametrize(
["first", "second"],
[
(one, one),
(one, 1),
(one, 1.0),
(one, 1 + 0j),
(zero, zero),
(zero, 0),
(zero, 0.0),
(zero, 0 + 0j),
],
)
def test_equal_to_another(self, first, second):
"""`one` and `zero` are equal to `1`-like and `0`-like numbers."""
assert first == second
assert second == first
@pytest.mark.parametrize(
["first", "second"],
[
(one, zero),
(one, 0),
(one, 0.0),
(one, 0 + 0j),
(zero, 1),
(zero, 1.0),
(zero, 1 + 0j),
],
)
def test_not_equal_to_another_one_or_zero_like(self, first, second):
"""`one` and `zero` are not equal to `0`-like and `1`-like numbers."""
assert first != second
assert second != first
@pytest.mark.parametrize(
["first", "second"],
[
(one, 42),
(one, 42.0),
(one, 42 + 0j),
(one, 0 + 42j),
(zero, 42),
(zero, 42.0),
(zero, 42 + 0j),
(zero, 0 + 42j),
],
)
def test_not_equal_to_another_non_one_like(self, first, second):
"""`one` and `zero` are not equal to non-`1`-or-`0`-like numbers."""
assert first != second
assert second != first
@pytest.mark.parametrize("operator", [operator.gt, operator.ge])
def test_one_greater_than_or_equal_to_zero(self, operator):
"""`one > zero` and `one >= zero`."""
assert operator(one, zero)
@pytest.mark.parametrize("operator", [operator.lt, operator.le])
def test_one_not_smaller_than_or_equal_to_zero(self, operator):
"""`not one < zero` and `not one <= zero`."""
assert not operator(one, zero)
@pytest.mark.parametrize("operator", [operator.lt, operator.le])
def test_zero_smaller_than_or_equal_to_one(self, operator):
"""`zero < one` and `zero <= one`."""
assert operator(zero, one)
@pytest.mark.parametrize("operator", [operator.gt, operator.ge])
def test_zero_not_greater_than_or_equalt_to_one(self, operator):
"""`not zero > one` and `not zero >= one`."""
assert not operator(zero, one)
@pytest.mark.parametrize("obj", [one, zero])
def test_obj_not_strictly_greater_than_itself(self, obj):
"""`obj >= obj` but not `obj > obj`."""
assert obj >= obj # noqa: PLR0124
assert not obj > obj # noqa: PLR0124
@pytest.mark.parametrize("obj", [one, zero])
def test_obj_not_strictly_smaller_than_itself(self, obj):
"""`obj <= obj` but not `obj < obj`."""
assert obj <= obj # noqa: PLR0124
assert not obj < obj # noqa: PLR0124
@pytest.mark.parametrize("obj", [one, zero])
@pytest.mark.parametrize(
"operator",
[operator.gt, operator.ge, operator.lt, operator.le],
)
def test_compare_to_other_operand_of_wrong_type(self, obj, operator):
"""`one` and `zero` may only interact with numbers."""
with pytest.raises(TypeError):
operator(obj, "abc")
with pytest.raises(TypeError):
operator("abc", obj)
@pytest.mark.parametrize("obj", [one, zero])
@pytest.mark.parametrize(
"operator",
[operator.gt, operator.ge, operator.lt, operator.le],
)
def test_compare_to_other_operand_of_wrong_value(self, obj, operator):
"""`one` and `zero` may only interact with `1`-like or `0`-like numbers."""
with pytest.raises(ValueError, match="`1`-like or `0`-like"):
operator(obj, 42)
with pytest.raises(ValueError, match="`1`-like or `0`-like"):
operator(42, obj)
class TestArithmetic:
"""Test `one` and `zero` interact with arithmetic operators."""
@pytest.mark.parametrize("obj", [one, zero])
@pytest.mark.parametrize("operator", [operator.pos, operator.neg])
def test_make_obj_positive_or_negative(self, obj, operator):
"""`+one` and `+zero` equal `-one` and `-zero`."""
assert obj is operator(obj)
@pytest.mark.parametrize(
"objs",
[
(one, one, zero),
(one, zero, one),
(zero, zero, zero),
(one, 1, zero),
(one, 1.0, zero),
(one, 1 + 0j, zero),
(one, 0, one),
(one, 0.0, one),
(one, 0 + 0j, one),
(zero, 1, one),
(zero, 1.0, one),
(zero, 1 + 0j, one),
(zero, 0, zero),
(zero, 0.0, zero),
(zero, 0 + 0j, zero),
],
)
@pytest.mark.parametrize("operator", [operator.add, operator.sub])
def test_addition_and_subtraction(self, objs, operator):
"""Adding and subtracting `one` and `zero` is identical and commutative."""
first, second, expected = objs
result1 = operator(first, second)
assert result1 is expected
result2 = operator(second, first)
assert result2 is expected
if CROSS_REFERENCE: # cast `one` and `zero` as `integer`s before doing the math
result3 = GF2((operator(int(abs(first)), int(abs(second))) + 2) % 2)
assert result3 is expected
result4 = GF2((operator(int(abs(second)), int(abs(first))) + 2) % 2)
assert result4 is expected
@pytest.mark.parametrize(
["first", "second", "expected"],
[
(one, one, one),
(one, zero, zero),
(zero, zero, zero),
(one, 1, one),
(one, 1.0, one),
(one, 1 + 0j, one),
(one, 0, zero),
(one, 0.0, zero),
(one, 0 + 0j, zero),
(zero, 1, zero),
(zero, 1.0, zero),
(zero, 1 + 0j, zero),
(zero, 0, zero),
(zero, 0.0, zero),
(zero, 0 + 0j, zero),
],
)
def test_multiplication(self, first, second, expected):
"""Multiplying `one` and `zero` is commutative."""
result1 = first * second
assert result1 is expected
result2 = second * first
assert result2 is expected
if CROSS_REFERENCE: # cast `one` and `zero` as `integer`s before doing the math
result3 = GF2(int(abs(first)) * int(abs(second)))
assert result3 is expected
result4 = GF2(int(abs(second)) * int(abs(first)))
assert result4 is expected
@pytest.mark.parametrize(
"objs",
[
# In Python 3.9 we cannot floor-divide a `complex` number
(one, one, one),
(one, 1, one),
(one, 1.0, one),
(one, 1 + 0j, one),
(1, one, one),
(1.0, one, one),
(zero, one, zero),
(zero, 1, zero),
(zero, 1.0, zero),
(zero, 1 + 0j, zero),
(0, one, zero),
(0.0, one, zero),
],
)
@pytest.mark.parametrize(
"operator",
[operator.truediv, operator.floordiv],
)
def test_division_by_one(self, objs, operator):
"""Division by `one`."""
first, second, expected = objs
result1 = operator(first, second)
assert result1 is expected
if CROSS_REFERENCE: # cast `one` and `zero` as `integer`s before doing the math
result2 = GF2(operator(int(abs(first)), int(abs(second))))
assert result2 is expected
@pytest.mark.parametrize(
"objs",
[
# In Python 3.9 we cannot modulo-divide a `complex` number
(one, one, zero),
(one, 1, zero),
(one, 1.0, zero),
(one, 1 + 0j, zero),
(1, one, zero),
(1.0, one, zero),
(zero, one, zero),
(zero, 1, zero),
(zero, 1.0, zero),
(zero, 1 + 0j, zero),
(0, one, zero),
(0.0, one, zero),
],
)
def test_modulo_division_by_one(self, objs):
"""Division by `one`."""
first, second, expected = objs
result1 = first % second
assert result1 is expected
if CROSS_REFERENCE: # cast `one` and `zero` as `integer`s before doing the math
result2 = GF2(int(abs(first)) % int(abs(second)))
assert result2 is expected
@pytest.mark.parametrize(
"objs",
[
# In Python 3.9 we cannot floor-divide a `complex` number
(one, zero),
(one, 0),
(one, 0.0),
(1, zero),
(1.0, zero),
(zero, zero),
(zero, 0),
(zero, 0.0),
(0, zero),
(0.0, zero),
],
)
@pytest.mark.parametrize(
"operator",
[operator.truediv, operator.floordiv, operator.mod],
)
def test_division_by_zero(self, objs, operator):
"""Division by `zero` raises `ZeroDivisionError`."""
first, second = objs
with pytest.raises(ZeroDivisionError):
operator(first, second)
if CROSS_REFERENCE: # cast `one` and `zero` as `integer`s before doing the math
with pytest.raises(ZeroDivisionError):
operator(int(abs(first)), int(abs(second)))
@pytest.mark.parametrize(
"objs",
[
(one, one, one),
(one, 1, one),
(one, 1.0, one),
(one, 1 + 0j, one),
(1, one, one),
(1.0, one, one),
(1 + 0j, one, one),
(zero, one, zero),
(zero, 1, zero),
(zero, 1.0, zero),
(zero, 1 + 0j, zero),
(0, one, zero),
(0.0, one, zero),
(0 + 0j, one, zero),
(one, zero, one),
(one, 0, one),
(one, 0.0, one),
(one, 0 + 0j, one),
(1, zero, one),
(1.0, zero, one),
(1 + 0j, zero, one),
(zero, zero, one),
(zero, 0, one),
(zero, 0.0, one),
(zero, 0 + 0j, one),
(0, zero, one),
(0.0, zero, one),
(0 + 0j, zero, one),
],
)
def test_to_the_power_of(self, objs):
"""Exponentiation with `one` and `zero`."""
first, second, expected = objs
result1 = first**second
assert result1 is expected
if CROSS_REFERENCE: # cast `one` and `zero` as `integer`s before doing the math
result2 = GF2(int(abs(first)) ** int(abs(second)))
assert result2 is expected
@pytest.mark.parametrize("obj", [one, zero])
@pytest.mark.parametrize(
"operator",
[
operator.add,
operator.mul,
operator.truediv,
operator.floordiv,
operator.mod,
operator.pow,
],
)
def test_other_operand_of_wrong_type(self, obj, operator):
"""`one` and `zero` may only interact with numbers."""
# Cannot use a `str` like `"abc"` as then `%` means string formatting
with pytest.raises(TypeError):
operator(obj, ("a", "b", "c"))
with pytest.raises(TypeError):
operator(("a", "b", "c"), obj)
@pytest.mark.parametrize("obj", [one, zero])
@pytest.mark.parametrize(
"operator",
[
operator.add,
operator.mul,
operator.truediv,
operator.floordiv,
operator.mod,
operator.pow,
],
)
def test_other_operand_of_wrong_value(self, obj, operator):
"""`one` and `zero` may only interact with `1`-like or `0`-like numbers."""
with pytest.raises(ValueError, match="`1`-like or `0`-like"):
operator(obj, 42)
with pytest.raises(ValueError, match="`1`-like or `0`-like"):
operator(42, obj)
@pytest.mark.skipif(
not sys.version_info < (3, 11),
reason='"typing-extensions" are installed to support Python 3.9 & 3.10',
)
def test_can_import_typing_extensions():
"""For Python versions 3.11+ we do not need the "typing-extensions"."""
package = importlib.import_module("lalib.elements.gf2")
importlib.reload(package)
assert package.Self is not None

View file

@ -14,6 +14,8 @@ import xdoctest
"module",
[
"lalib",
"lalib.elements",
"lalib.elements.gf2",
],
)
def test_docstrings(module):

View file

@ -0,0 +1,30 @@
"""Test top-level imports for `lalib`."""
import importlib
from typing import Any
import pytest
@pytest.mark.parametrize(
"path_to_package",
[
"lalib",
"lalib.elements",
],
)
def test_top_level_imports(path_to_package: str):
"""Verify `from {path_to_package} import *` works."""
package = importlib.import_module(path_to_package)
environment: dict[str, Any] = {}
exec("...", environment, environment) # noqa: S102
defined_vars_before = set(environment)
exec(f"from {path_to_package} import *", environment, environment) # noqa: S102
defined_vars_after = set(environment)
new_vars = defined_vars_after - defined_vars_before
assert new_vars == set(package.__all__)