Refactoring/924 remove lint dependencies

doc/changes/unreleased.md

@@ -5,4 +5,8 @@
 * #940: Added shared validation for packaged agent skills and the `skills:check` Nox session.
 * #938: Added the `skills:install` Nox session for installing the packaged PTB agent skill.
 * #942: Added api-contract-audit skill for identifying mismatches between type annotations, docstrings, and runtime
-  behavior
+  behavior
+
+## Refactoring
+
+* #924: Removed the deprecated `lint:dependencies` Nox session and its unused implementation and tests.

exasol/toolbox/nox/_lint.py

@@ -1,22 +1,13 @@
 from __future__ import annotations
 
-import sys
 from collections.abc import Iterable
-from pathlib import Path
 
 import nox
-import rich.console
-import tomlkit
 from nox import Session
 
 from exasol.toolbox.nox._shared import get_filtered_python_files
-from exasol.toolbox.util.dependencies.shared_models import PoetryFiles
 from noxconfig import PROJECT_CONFIG
 
-# The relevant nox session will be removed in:
-#   https://github.com/exasol/python-toolbox/issues/924
-LINT_DEPENDENCIES_DEPRECATION_DATE = "2026-10-08"
-
 
 def _pylint(session: Session, files: Iterable[str]) -> None:
     json_file = PROJECT_CONFIG.root_path / ".lint.json"
@@ -66,58 +57,6 @@ def _security_lint(session: Session, files: Iterable[str]) -> None:
     )
 
 
-class Dependencies:
-    def __init__(self, illegal: dict[str, list[str]] | None):
-        self._illegal = illegal or {}
-
-    @staticmethod
-    def parse(pyproject_toml: str) -> Dependencies:
-        def _source_filter(version) -> bool:
-            ILLEGAL_SPECIFIERS = ["url", "git", "path"]
-            return any(specifier in version for specifier in ILLEGAL_SPECIFIERS)
-
-        def find_illegal(part) -> list[str]:
-            return [
-                f"{name} = {version}"
-                for name, version in part.items()
-                if _source_filter(version)
-            ]
-
-        illegal: dict[str, list[str]] = {}
-        toml = tomlkit.loads(pyproject_toml)
-        poetry = toml.get("tool", {}).get("poetry", {})
-
-        part = poetry.get("dependencies", {})
-        if illegal_group := find_illegal(part):
-            illegal["tool.poetry.dependencies"] = illegal_group
-
-        part = poetry.get("dev", {}).get("dependencies", {})
-        if illegal_group := find_illegal(part):
-            illegal["tool.poetry.dev.dependencies"] = illegal_group
-
-        part = poetry.get("group", {})
-        for group, content in part.items():
-            illegal_group = find_illegal(content.get("dependencies", {}))
-            if illegal_group:
-                illegal[f"tool.poetry.group.{group}.dependencies"] = illegal_group
-        return Dependencies(illegal)
-
-    @property
-    def illegal(self) -> dict[str, list[str]]:
-        return self._illegal
-
-
-def report_illegal(illegal: dict[str, list[str]], console: rich.console.Console):
-    count = sum(len(deps) for deps in illegal.values())
-    suffix = "y" if count == 1 else "ies"
-    console.print(f"{count} illegal dependenc{suffix}\n", style="red")
-    for section, dependencies in illegal.items():
-        console.print(f"\\[{section}]", style="red")
-        for dependency in dependencies:
-            console.print(dependency, style="red")
-        console.print("")
-
-
 @nox.session(name="lint:code", python=False)
 def lint(session: Session) -> None:
     """Runs the static code analyzer on the project"""
@@ -137,18 +76,3 @@ def security_lint(session: Session) -> None:
     """Runs the security linter on the project"""
     py_files = get_filtered_python_files(PROJECT_CONFIG.source_code_path)
     _security_lint(session=session, files=py_files)
-
-
-@nox.session(name="lint:dependencies", python=False)
-def dependency_check(session: Session) -> None:
-    """Checks if only valid sources of dependencies are used"""
-    content = Path(PROJECT_CONFIG.root_path, PoetryFiles.pyproject_toml).read_text()
-    dependencies = Dependencies.parse(content)
-    console = rich.console.Console()
-    if illegal := dependencies.illegal:
-        report_illegal(illegal, console)
-        sys.exit(1)
-    session.warn(
-        f"Warning: `nox -s lint:dependencies` is deprecated and will be removed on "
-        f"{LINT_DEPENDENCIES_DEPRECATION_DATE}."
-    )