Add linting checks and code formatting

Linting checks are performed using Ruff, Mypy, and Pydocstyle. Code formatting is performed using Black and Isort. A Makefile is also added with linting and formatting commands for convenience.
2023-08-16 10:10:06 +01:00 · 2023-08-16 10:10:06 +01:00 · 0015ae4bff
parent c9f01c7dc2
commit 0015ae4bff
8 changed files with 328 additions and 23 deletions
--- a/44
+++ b/44
@ -0,0 +1,44 @@
+.DEFAULT_GOAL := help
+SHELL := /bin/bash
+
+.PHONY: black
+black: ## Run black formatter
+	@poetry run black src tests;
+
+.PHONY: black-check
+black-check: ## Run black formatter
+	@poetry run black src tests --check;
+
+.PHONY: format
+format: isort black ## Format to match linting requirements
+
+.PHONY: help
+help: ## Show all available commands
+	@awk 'BEGIN {FS = ":.*##"; printf "Usage: make \033[36m<target>\033[0m\n"} /^[a-zA-Z_-]+:.*?##/ { printf "  \033[36m%-13s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST);
+
+.PHONY: isort
+isort: ## Run isort formatter
+	@poetry run isort src tests;
+
+.PHONY: isort-check
+isort-check: ## Run isort formatter
+	@poetry run isort src tests --check-only;
+
+.PHONY: mypy
+mypy: ## Run mypy type checking
+	@poetry run mypy src tests;
+
+.PHONY: pydocstyle
+pydocstyle: ## Run docstring linting
+	@poetry run pydocstyle src tests;
+
+.PHONY: quality
+quality: ruff mypy isort-check black-check pydocstyle ## Run linting checks
+
+.PHONY: ruff
+ruff: ## Run ruff linter
+	@poetry run ruff check src tests;
+
+.PHONY: test
+test: ## Run test pipeline
+	@poetry run pytest -x
--- a/poetry.lock
+++ b/poetry.lock
@ -167,6 +167,51 @@ docs = ["furo", "myst-parser", "sphinx", "sphinx-notfound-page", "sphinxcontrib-
 tests = ["attrs[tests-no-zope]", "zope-interface"]
 tests-no-zope = ["cloudpickle", "hypothesis", "mypy (>=1.1.1)", "pympler", "pytest (>=4.3.0)", "pytest-mypy-plugins", "pytest-xdist[psutil]"]

+[[package]]
+name = "black"
+version = "23.7.0"
+description = "The uncompromising code formatter."
+category = "dev"
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "black-23.7.0-cp310-cp310-macosx_10_16_arm64.whl", hash = "sha256:5c4bc552ab52f6c1c506ccae05681fab58c3f72d59ae6e6639e8885e94fe2587"},
+    {file = "black-23.7.0-cp310-cp310-macosx_10_16_universal2.whl", hash = "sha256:552513d5cd5694590d7ef6f46e1767a4df9af168d449ff767b13b084c020e63f"},
+    {file = "black-23.7.0-cp310-cp310-macosx_10_16_x86_64.whl", hash = "sha256:86cee259349b4448adb4ef9b204bb4467aae74a386bce85d56ba4f5dc0da27be"},
+    {file = "black-23.7.0-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:501387a9edcb75d7ae8a4412bb8749900386eaef258f1aefab18adddea1936bc"},
+    {file = "black-23.7.0-cp310-cp310-win_amd64.whl", hash = "sha256:fb074d8b213749fa1d077d630db0d5f8cc3b2ae63587ad4116e8a436e9bbe995"},
+    {file = "black-23.7.0-cp311-cp311-macosx_10_16_arm64.whl", hash = "sha256:b5b0ee6d96b345a8b420100b7d71ebfdd19fab5e8301aff48ec270042cd40ac2"},
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+    {file = "black-23.7.0-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:642496b675095d423f9b8448243336f8ec71c9d4d57ec17bf795b67f08132a91"},
+    {file = "black-23.7.0-cp39-cp39-win_amd64.whl", hash = "sha256:ad0014efc7acf0bd745792bd0d8857413652979200ab924fbf239062adc12491"},
+    {file = "black-23.7.0-py3-none-any.whl", hash = "sha256:9fd59d418c60c0348505f2ddf9609c1e1de8e7493eab96198fc89d9f865e7a96"},
+    {file = "black-23.7.0.tar.gz", hash = "sha256:022a582720b0d9480ed82576c920a8c1dde97cc38ff11d8d8859b3bd6ca9eedb"},
+]
+
+[package.dependencies]
+click = ">=8.0.0"
+mypy-extensions = ">=0.4.3"
+packaging = ">=22.0"
+pathspec = ">=0.9.0"
+platformdirs = ">=2"
+
+[package.extras]
+colorama = ["colorama (>=0.4.3)"]
+d = ["aiohttp (>=3.7.4)"]
+jupyter = ["ipython (>=7.8.0)", "tokenize-rt (>=3.2.0)"]
+uvloop = ["uvloop (>=0.15.2)"]
+
 [[package]]
 name = "certifi"
 version = "2023.7.22"
@ -264,6 +309,21 @@ files = [
    {file = "charset_normalizer-3.2.0-py3-none-any.whl", hash = "sha256:8e098148dd37b4ce3baca71fb394c81dc5d9c7728c95df695d2dca218edf40e6"},
 ]

+[[package]]
+name = "click"
+version = "8.1.6"
+description = "Composable command line interface toolkit"
+category = "dev"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "click-8.1.6-py3-none-any.whl", hash = "sha256:fa244bb30b3b5ee2cae3da8f55c9e5e0c0e86093306301fb418eb9dc40fbded5"},
+    {file = "click-8.1.6.tar.gz", hash = "sha256:48ee849951919527a045bfe3bf7baa8a959c423134e1a5b98c05c20ba75a1cbd"},
+]
+
+[package.dependencies]
+colorama = {version = "*", markers = "platform_system == \"Windows\""}
+
 [[package]]
 name = "colorama"
 version = "0.4.6"
@ -371,6 +431,24 @@ files = [
    {file = "iniconfig-2.0.0.tar.gz", hash = "sha256:2d91e135bf72d31a410b17c16da610a82cb55f6b0477d1a902134b24a455b8b3"},
 ]

+[[package]]
+name = "isort"
+version = "5.12.0"
+description = "A Python utility / library to sort Python imports."
+category = "dev"
+optional = false
+python-versions = ">=3.8.0"
+files = [
+    {file = "isort-5.12.0-py3-none-any.whl", hash = "sha256:f84c2818376e66cf843d497486ea8fed8700b340f308f076c6fb1229dff318b6"},
+    {file = "isort-5.12.0.tar.gz", hash = "sha256:8bef7dde241278824a6d83f44a544709b065191b95b6e50894bdc722fcba0504"},
+]
+
+[package.extras]
+colors = ["colorama (>=0.4.3)"]
+pipfile-deprecated-finder = ["pip-shims (>=0.5.2)", "pipreqs", "requirementslib"]
+plugins = ["setuptools"]
+requirements-deprecated-finder = ["pip-api", "pipreqs"]
+
 [[package]]
 name = "multidict"
 version = "6.0.4"
@ -455,6 +533,59 @@ files = [
    {file = "multidict-6.0.4.tar.gz", hash = "sha256:3666906492efb76453c0e7b97f2cf459b0682e7402c0489a95484965dbc1da49"},
 ]

+[[package]]
+name = "mypy"
+version = "1.5.0"
+description = "Optional static typing for Python"
+category = "dev"
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "mypy-1.5.0-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:ad3109bec37cc33654de8db30fe8ff3a1bb57ea65144167d68185e6dced9868d"},
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+    {file = "mypy-1.5.0.tar.gz", hash = "sha256:f3460f34b3839b9bc84ee3ed65076eb827cd99ed13ed08d723f9083cada4a212"},
+]
+
+[package.dependencies]
+mypy-extensions = ">=1.0.0"
+typing-extensions = ">=4.1.0"
+
+[package.extras]
+dmypy = ["psutil (>=4.0)"]
+install-types = ["pip"]
+reports = ["lxml"]
+
+[[package]]
+name = "mypy-extensions"
+version = "1.0.0"
+description = "Type system extensions for programs checked with the mypy type checker."
+category = "dev"
+optional = false
+python-versions = ">=3.5"
+files = [
+    {file = "mypy_extensions-1.0.0-py3-none-any.whl", hash = "sha256:4392f6c0eb8a5668a69e23d168ffa70f0be9ccfd32b5cc2d26a34ae5b844552d"},
+    {file = "mypy_extensions-1.0.0.tar.gz", hash = "sha256:75dbf8955dc00442a438fc4d0666508a9a97b6bd41aa2f0ffe9d2f2725af0782"},
+]
+
 [[package]]
 name = "openai"
 version = "0.27.8"
@ -490,6 +621,34 @@ files = [
    {file = "packaging-23.1.tar.gz", hash = "sha256:a392980d2b6cffa644431898be54b0045151319d1e7ec34f0cfed48767dd334f"},
 ]

+[[package]]
+name = "pathspec"
+version = "0.11.2"
+description = "Utility library for gitignore style pattern matching of file paths."
+category = "dev"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "pathspec-0.11.2-py3-none-any.whl", hash = "sha256:1d6ed233af05e679efb96b1851550ea95bbb64b7c490b0f5aa52996c11e92a20"},
+    {file = "pathspec-0.11.2.tar.gz", hash = "sha256:e0d8d0ac2f12da61956eb2306b69f9469b42f4deb0f3cb6ed47b9cce9996ced3"},
+]
+
+[[package]]
+name = "platformdirs"
+version = "3.10.0"
+description = "A small Python package for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
+category = "dev"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "platformdirs-3.10.0-py3-none-any.whl", hash = "sha256:d7c24979f292f916dc9cbf8648319032f551ea8c49a4c9bf2fb556a02070ec1d"},
+    {file = "platformdirs-3.10.0.tar.gz", hash = "sha256:b45696dab2d7cc691a3226759c0d3b00c47c8b6e293d96f6436f733303f77f6d"},
+]
+
+[package.extras]
+docs = ["furo (>=2023.7.26)", "proselint (>=0.13)", "sphinx (>=7.1.1)", "sphinx-autodoc-typehints (>=1.24)"]
+test = ["appdirs (==1.4.4)", "covdefaults (>=2.3)", "pytest (>=7.4)", "pytest-cov (>=4.1)", "pytest-mock (>=3.11.1)"]
+
 [[package]]
 name = "pluggy"
 version = "1.2.0"
@ -656,6 +815,24 @@ files = [
 pydantic = ">=2.0.1"
 python-dotenv = ">=0.21.0"

+[[package]]
+name = "pydocstyle"
+version = "6.3.0"
+description = "Python docstring style checker"
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+files = [
+    {file = "pydocstyle-6.3.0-py3-none-any.whl", hash = "sha256:118762d452a49d6b05e194ef344a55822987a462831ade91ec5c06fd2169d019"},
+    {file = "pydocstyle-6.3.0.tar.gz", hash = "sha256:7ce43f0c0ac87b07494eb9c0b462c0b73e6ff276807f204d6b53edc72b7e44e1"},
+]
+
+[package.dependencies]
+snowballstemmer = ">=2.2.0"
+
+[package.extras]
+toml = ["tomli (>=1.2.3)"]
+
 [[package]]
 name = "pytest"
 version = "7.4.0"
@ -714,6 +891,45 @@ urllib3 = ">=1.21.1,<3"
 socks = ["PySocks (>=1.5.6,!=1.5.7)"]
 use-chardet-on-py3 = ["chardet (>=3.0.2,<6)"]

+[[package]]
+name = "ruff"
+version = "0.0.284"
+description = "An extremely fast Python linter, written in Rust."
+category = "dev"
+optional = false
+python-versions = ">=3.7"
+files = [
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+    {file = "ruff-0.0.284-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:c4c79ae3308e308b94635cd57a369d1e6f146d85019da2fbc63f55da183ee29b"},
+    {file = "ruff-0.0.284-py3-none-musllinux_1_2_aarch64.whl", hash = "sha256:f86b2b1e7033c00de45cc176cf26778650fb8804073a0495aca2f674797becbb"},
+    {file = "ruff-0.0.284-py3-none-musllinux_1_2_armv7l.whl", hash = "sha256:e37e086f4d623c05cd45a6fe5006e77a2b37d57773aad96b7802a6b8ecf9c910"},
+    {file = "ruff-0.0.284-py3-none-musllinux_1_2_i686.whl", hash = "sha256:d29dfbe314e1131aa53df213fdfea7ee874dd96ea0dd1471093d93b59498384d"},
+    {file = "ruff-0.0.284-py3-none-musllinux_1_2_x86_64.whl", hash = "sha256:88295fd649d0aa1f1271441df75bf06266a199497afd239fd392abcfd75acd7e"},
+    {file = "ruff-0.0.284-py3-none-win32.whl", hash = "sha256:735cd62fccc577032a367c31f6a9de7c1eb4c01fa9a2e60775067f44f3fc3091"},
+    {file = "ruff-0.0.284-py3-none-win_amd64.whl", hash = "sha256:f67ed868d79fbcc61ad0fa034fe6eed2e8d438d32abce9c04b7c4c1464b2cf8e"},
+    {file = "ruff-0.0.284-py3-none-win_arm64.whl", hash = "sha256:1292cfc764eeec3cde35b3a31eae3f661d86418b5e220f5d5dba1c27a6eccbb6"},
+    {file = "ruff-0.0.284.tar.gz", hash = "sha256:ebd3cc55cd499d326aac17a331deaea29bea206e01c08862f9b5c6e93d77a491"},
+]
+
+[[package]]
+name = "snowballstemmer"
+version = "2.2.0"
+description = "This package provides 29 stemmers for 28 languages generated from Snowball algorithms."
+category = "dev"
+optional = false
+python-versions = "*"
+files = [
+    {file = "snowballstemmer-2.2.0-py2.py3-none-any.whl", hash = "sha256:c8e1716e83cc398ae16824e5572ae04e0d9fc2c6b985fb0f900f5f0c96ecba1a"},
+    {file = "snowballstemmer-2.2.0.tar.gz", hash = "sha256:09b16deb8547d3412ad7b590689584cd0fe25ec8db3be37788be3810cbf19cb1"},
+]
+
 [[package]]
 name = "tqdm"
 version = "4.66.1"
@ -856,4 +1072,4 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.11,<3.12"
-content-hash = "ea8d122dbf4bdb0e3bc19912dc331bac199115f860752ffa6ec5ecabebcaa742"
+content-hash = "544019c132db9541be699bb3aac24f07cd85ee90773412b581f509e273f9df51"
--- a/pyproject.toml
+++ b/pyproject.toml
@ -14,12 +14,52 @@ pydantic-settings = "^2.0.2"

 [tool.poetry.group.test.dependencies]
 pytest = "^7.4.0"
+black = "^23.7.0"
+isort = "^5.12.0"
+ruff = "^0.0.284"
+mypy = "^1.5.0"
+pydocstyle = "^6.3.0"

 [build-system]
 requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"

+[tool.black]
+line-length = 88
+target-version = ['py311']
+include = '\.pyi?$'
+
+[tool.isort]
+multi_line_output = 3
+profile = "black"
+src_paths = ["src", "tests"]
+
+[tool.mypy]
+python_version = "3.11"
+disallow_untyped_calls = false
+pretty = true
+show_error_codes = true
+strict = true
+warn_unreachable = true
+
+[tool.pydocstyle]
+ignore = "D100,D104,D107,D203,D213,D406,D407,D413"
+
 [tool.pytest.ini_options]
 addopts = ["--verbose"]
 pythonpath = ["src"]
 testpaths = ["tests"]
+
+[tool.ruff]
+exclude = [
+    ".git",
+    ".ruff_cache",
+    ".vscode",
+]
+fixable = ["A", "B", "C", "D", "E", "F", "G", "I", "N", "Q", "S", "T", "W", "ANN", "ARG", "BLE", "COM", "DJ", "DTZ", "EM", "ERA", "EXE", "FBT", "ICN", "INP", "ISC", "NPY", "PD", "PGH", "PIE", "PL", "PT", "PTH", "PYI", "RET", "RSE", "RUF", "SIM", "SLF", "TCH", "TID", "TRY", "UP", "YTT"]
+line-length = 88
+select = ["E", "F"]
+target-version = "py311"
+
+[tool.ruff.mccabe]
+max-complexity = 10
--- a/src/llm_chat/chat.py
+++ b/src/llm_chat/chat.py
@ -1,4 +1,7 @@
+from typing import Any
+
 from openai import ChatCompletion
+from openai.openai_object import OpenAIObject

 from llm_chat.models import Conversation, Message, Role
 from llm_chat.settings import OpenAISettings
@ -16,7 +19,7 @@ INITIAL_SYSTEM_MESSAGES = [

 class Chat:
    """Interface class for OpenAI's ChatGPT chat API.
-    
+
    Arguments:
        settings (optional): Settings for the chat. Defaults to reading from
            environment variables.
@ -24,42 +27,41 @@ class Chat:
    """

    def __init__(
-        self,
-        settings: OpenAISettings = None,
-        context: list[Message] = []
+        self, settings: OpenAISettings | None = None, context: list[Message] = []
    ) -> None:
        self._settings = settings
        self.conversation = Conversation(
            messages=INITIAL_SYSTEM_MESSAGES + context,
        )
-    
+
    @property
    def settings(self) -> OpenAISettings:
        """Get OpenAI chat settings."""
        if self._settings is None:
            self._settings = OpenAISettings()
        return self._settings
-    
-    def _make_request(self, message: str) -> dict:
+
+    def _make_request(self, message: str) -> dict[str, Any]:
        """Send a request to the OpenAI API.
-        
+
        TODO: Add error handling.
        TODO: Pop message from messages if error occurs.
        """
        self.conversation.messages.append(Message(role=Role.USER, content=message))

-        response = ChatCompletion.create(
+        response: OpenAIObject = ChatCompletion.create(
            model=self.settings.model,
            temperature=self.settings.temperature,
            api_key=self.settings.api_key,
            messages=self.conversation.model_dump()["messages"],
        )

-        return response.to_dict()
-    
-    def send_message(self, message: str) -> None:
+        out: dict[str, Any] = response.to_dict()
+        return out
+
+    def send_message(self, message: str) -> str:
        """Send a message to the assistant.
-        
+
        TODO: Add error handling.
        """
        response = self._make_request(message)
--- a/src/llm_chat/models.py
+++ b/src/llm_chat/models.py
@ -17,7 +17,7 @@ class Message(BaseModel):
    role: Role
    content: str

-    model_config: ConfigDict = ConfigDict(
+    model_config: ConfigDict = ConfigDict(  # type: ignore[misc]
        frozen=True,
        use_enum_values=True,
    )
@ -28,7 +28,7 @@ class Conversation(BaseModel):

    messages: list[Message]

-    model_config: ConfigDict = ConfigDict(
+    model_config: ConfigDict = ConfigDict(  # type: ignore[misc]
        frozen=False,
        use_enum_values=True,
    )
--- a/src/llm_chat/settings.py
+++ b/src/llm_chat/settings.py
@ -13,11 +13,11 @@ class Model(StrEnum):
 class OpenAISettings(BaseSettings):
    """Settings for the LLM Chat application."""

-    api_key: str
+    api_key: str = ""
    model: Model = Model.GPT3
    temperature: float = 0.7

-    model_config: SettingsConfigDict = SettingsConfigDict(
+    model_config: SettingsConfigDict = SettingsConfigDict(  # type: ignore[misc]
        env_file=".env",
        env_file_encoding="utf-8",
        env_prefix="OPENAI_",
--- a/tests/conftest.py
+++ b/tests/conftest.py
@ -1,7 +1,9 @@
-import pytest
 import os

+import pytest
+

@pytest.fixture(autouse=True)
-def mock_openai_api_key():
+def mock_openai_api_key() -> None:
+    """Set a fake OpenAI API key."""
    os.environ["OPENAI_API_KEY"] = "dummy_key"
--- a/tests/test_chat.py
+++ b/tests/test_chat.py
@ -1,12 +1,13 @@
 from unittest.mock import patch

-import llm_chat
 from llm_chat.chat import Chat


-def test_send_message():
+def test_send_message() -> None:
    with patch("llm_chat.chat.Chat._make_request") as mock_make_request:
-        mock_make_request.return_value = {"choices": [{"message": {"content": "Hello!"}}]}
+        mock_make_request.return_value = {
+            "choices": [{"message": {"content": "Hello!"}}]
+        }
        conversation = Chat()
        response = conversation.send_message("Hello")
        assert isinstance(response, str)