fix(lint): resolve all ruff violations

src/github_scaffolding_generator/cli.py

@@ -1,5 +1,5 @@
-import sys
 import os
+import sys
 
 if sys.platform == "win32":
     os.system("")  # enables ANSI/VT100 sequences on Windows terminal
@@ -9,9 +9,10 @@
         sys.stdin.reconfigure(encoding="utf-8")
 
 import typer
-from .validator import validate_all, ValidationError
+
 from .generator import Generator
 from .stacks import STACKS, get_stack_labels
+from .validator import ValidationError, validate_all
 
 app = typer.Typer(name="github-scaffolding-generator", rich_markup_mode="markdown")
 

src/github_scaffolding_generator/generator.py

@@ -11,10 +11,12 @@
 
 import os
 import sys
-from datetime import date
+from datetime import datetime, timezone
 from pathlib import Path
+from typing import ClassVar
+
 from jinja2 import Environment, FileSystemLoader
-from typing import Dict, List
+
 from .stacks import STACK_BY_LABEL
 
 TEMPLATE_DIR = Path(__file__).parent / "templates"
@@ -30,8 +32,8 @@ def __init__(self, output_dir: str = "output"):
             lstrip_blocks=True,
         )
 
-    def generate(self, context: Dict) -> List[str]:
-        today = date.today()
+    def generate(self, context: dict) -> list[str]:
+        today = datetime.now(tz=timezone.utc).date()
         context.setdefault("today", today.isoformat())
         context.setdefault("year", str(today.year))
 
@@ -67,7 +69,7 @@ def generate(self, context: Dict) -> List[str]:
 
         return generated_files
 
-    def _render_template_map(self, base_dir: Path, template_map: Dict[str, str], context: Dict) -> List[str]:
+    def _render_template_map(self, base_dir: Path, template_map: dict[str, str], context: dict) -> list[str]:
         files = []
         for output_name, template_name in template_map.items():
             content = self.env.get_template(template_name).render(**context)
@@ -77,7 +79,7 @@ def _render_template_map(self, base_dir: Path, template_map: Dict[str, str], con
             files.append(str(out_path))
         return files
 
-    def _generate_community_standards(self, project_dir: Path, context: Dict) -> List[str]:
+    def _generate_community_standards(self, project_dir: Path, context: dict) -> list[str]:
         project_type = context.get("project_type", "")
 
         if project_type == "powershell-script":
@@ -97,7 +99,7 @@ def _generate_community_standards(self, project_dir: Path, context: Dict) -> Lis
         }
         return self._render_template_map(project_dir, template_map, context)
 
-    def _generate_github_files(self, project_dir: Path, context: Dict) -> List[str]:
+    def _generate_github_files(self, project_dir: Path, context: dict) -> list[str]:
         template_map = {
             ".github/CODEOWNERS": "github/CODEOWNERS.j2",
             ".github/dependabot.yml": "github/dependabot.yml.j2",
@@ -107,13 +109,13 @@ def _generate_github_files(self, project_dir: Path, context: Dict) -> List[str]:
         }
         return self._render_template_map(project_dir, template_map, context)
 
-    def _generate_ci(self, project_dir: Path, context: Dict) -> List[str]:
+    def _generate_ci(self, project_dir: Path, context: dict) -> list[str]:
         template_map = {
             ".github/workflows/ci.yml": "ci/ci.yml.j2",
         }
         return self._render_template_map(project_dir, template_map, context)
 
-    _MANIFEST_TEMPLATES: Dict[str, tuple] = {
+    _MANIFEST_TEMPLATES: ClassVar[dict[str, tuple]] = {
         "Python": ("pyproject.toml", "pyproject.toml.j2"),
         "Node": ("package.json", "package.json.j2"),
         "Go": ("go.mod", "go.mod.j2"),
@@ -125,7 +127,7 @@ def _generate_ci(self, project_dir: Path, context: Dict) -> List[str]:
         "PowerShell": ("{project_name}.psd1", "module.psd1.j2"),
     }
 
-    def _generate_project_files(self, project_dir: Path, context: Dict) -> List[str]:
+    def _generate_project_files(self, project_dir: Path, context: dict) -> list[str]:
         template_map = {
             ".gitignore": "gitignore.j2",
             ".gitattributes": "gitattributes.j2",

src/github_scaffolding_generator/validator.py

@@ -1,6 +1,6 @@
 """Validation module for project inputs."""
 
-from typing import Optional
+
 from .stacks import get_all_valid_labels
 
 VALID_PROJECT_TYPES = ["cli", "library", "webapp", "github-action", "docs", "monorepo", "powershell-script", "shell-script"]
@@ -35,7 +35,7 @@ def validate_stack(stack: str) -> str:
     return stack
 
 
-def validate_license(license_name: Optional[str]) -> str:
+def validate_license(license_name: str | None) -> str:
     if license_name is None:
         return "MIT"
     normalized = license_name.lower()
@@ -45,15 +45,15 @@ def validate_license(license_name: Optional[str]) -> str:
     raise ValidationError(f"Invalid license. Must be one of: {', '.join(VALID_LICENSES)}")
 
 
-def validate_visibility(visibility: Optional[str]) -> str:
+def validate_visibility(visibility: str | None) -> str:
     if visibility is None:
         return "public"
     if visibility not in VALID_VISIBILITIES:
         raise ValidationError(f"Invalid visibility. Must be one of: {', '.join(VALID_VISIBILITIES)}")
     return visibility
 
 
-def validate_ci_targets(ci_targets: Optional[str]) -> list:
+def validate_ci_targets(ci_targets: str | None) -> list:
     if ci_targets is None:
         return ["lint", "test"]
     targets = [t.strip() for t in ci_targets.split(",")]
@@ -67,9 +67,9 @@ def validate_all(
     project_name: str,
     project_type: str,
     stack: str,
-    license_name: Optional[str] = None,
-    visibility: Optional[str] = None,
-    ci_targets: Optional[str] = None,
+    license_name: str | None = None,
+    visibility: str | None = None,
+    ci_targets: str | None = None,
 ) -> dict:
     return {
         "project_name": validate_project_name(project_name),

tests/test_cli.py

@@ -2,6 +2,8 @@
 
 import pytest
 
+from github_scaffolding_generator.cli import ACTIVITY_MAPPING, CI_MAP, LICENSE_MAP
+from github_scaffolding_generator.generator import Generator
 from github_scaffolding_generator.validator import (
     ValidationError,
     validate_all,
@@ -12,9 +14,6 @@
     validate_stack,
     validate_visibility,
 )
-from github_scaffolding_generator.generator import Generator
-from github_scaffolding_generator.cli import ACTIVITY_MAPPING, LICENSE_MAP, CI_MAP
-
 
 # ---------------------------------------------------------------------------
 # validate_project_name
@@ -333,12 +332,12 @@ def test_generator_injects_today_and_year():
     with tempfile.TemporaryDirectory() as tmpdir:
         gen = Generator(output_dir=tmpdir)
         gen.generate(_make_context())
+        from datetime import datetime, timezone
         from pathlib import Path
-        from datetime import date
         changelog = Path(tmpdir) / "test-project" / "CHANGELOG.md"
         content = changelog.read_text(encoding="utf-8")
-        assert date.today().isoformat() in content
-        assert str(date.today().year) in content
+        assert datetime.now(tz=timezone.utc).date().isoformat() in content
+        assert str(datetime.now(tz=timezone.utc).date().year) in content
 
 
 def test_generator_injects_project_name_in_templates():
@@ -471,11 +470,11 @@ def test_generator_readme_contains_today_date():
     with tempfile.TemporaryDirectory() as tmpdir:
         gen = Generator(output_dir=tmpdir)
         gen.generate(_make_context())
+        from datetime import datetime, timezone
         from pathlib import Path
-        from datetime import date
         readme = Path(tmpdir) / "test-project" / "README.md"
         content = readme.read_text(encoding="utf-8")
-        assert date.today().isoformat() in content
+        assert datetime.now(tz=timezone.utc).date().isoformat() in content
 
 
 # ---------------------------------------------------------------------------