feat: Support Python 3.12

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
       - uses: actions/checkout@v4

copier_template/{{library_name}}/extension.py.jinja

@@ -1,11 +1,8 @@
 """Meltano {{ extension_name }} extension."""
 from __future__ import annotations
 
-import os
-import pkgutil
 import subprocess
 import sys
-from pathlib import Path
 from typing import Any
 
 import structlog
@@ -54,5 +51,5 @@ class {{ extension_name }}(ExtensionBase):
                 models.InvokerCommand(
                     name="{{ cli_prefix }}_invoker", description="pass through invoker"
                 ),
-            ]
+            ],
         )

copier_template/{{library_name}}/main.py.jinja

@@ -58,7 +58,9 @@ def invoke(ctx: typer.Context, command_args: List[str]) -> None:
 @app.command()
 def describe(
     output_format: DescribeFormat = typer.Option(
-        DescribeFormat.text, "--format", help="Output format"
+        DescribeFormat.text,
+        "--format",
+        help="Output format",
     )
 ) -> None:
     """Describe the available commands of this extension."""
@@ -76,13 +78,19 @@ def main(
     ctx: typer.Context,
     log_level: str = typer.Option("INFO", envvar="LOG_LEVEL"),
     log_timestamps: bool = typer.Option(
-        False, envvar="LOG_TIMESTAMPS", help="Show timestamp in logs"
+        False,
+        envvar="LOG_TIMESTAMPS",
+        help="Show timestamp in logs",
     ),
     log_levels: bool = typer.Option(
-        False, "--log-levels", envvar="LOG_LEVELS", help="Show log levels"
+        False,
+        "--log-levels",
+        envvar="LOG_LEVELS",
+        help="Show log levels",
     ),
     meltano_log_json: bool = typer.Option(
-        False, "--meltano-log-json",
+        False,
+        "--meltano-log-json",
         envvar="MELTANO_LOG_JSON",
         help="Log in the meltano JSON log format"
     ),

copier_template/{{library_name}}/pass_through.py.jinja

@@ -12,5 +12,5 @@ def pass_through_cli() -> None:
     ext = {{extension_name}}()
     ext.pass_through_invoker(
         structlog.getLogger("{{ cli_prefix }}_invoker"),
-        *sys.argv[1:] if len(sys.argv) > 1 else []
+        *sys.argv[1:] if len(sys.argv) > 1 else [],
     )

pyproject.toml

@@ -20,6 +20,7 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: Implementation :: CPython",
     "Topic :: Software Development :: Libraries :: Application Frameworks",
     "Typing :: Typed",
@@ -68,13 +69,11 @@ docs = [
 copier = ">=8.1.0,<9.0"
 pytest = "^7.4.2"
 types-pyyaml = "^6.0.12.4"
+
 # Cookiecutter tests
-mypy = "^1.4"
-black = "^23.3"
-darglint = "^1.8.0"
-flake8 = "^3.9.0"
-flake8-annotations = "^2.9.1"
-flake8-docstrings = "^1.7.0"
+mypy = "^1.6"
+ruff = "~=0.1.0"
+typer = "^0.6.1"
 
 [tool.ruff]
 ignore = [

tests/copier_template/test_generated.py

@@ -1,15 +1,12 @@
 """Test copier_template template."""
 
-import logging
 import os
 import shutil
+import subprocess
 from logging import getLogger
-from pathlib import Path
 
-import black
 import pytest
 from copier import run_copy
-from flake8.api import legacy as flake8
 from mypy import api
 
 getLogger("flake8").propagate = False
@@ -31,17 +28,6 @@ def outdir() -> str:
 
 def test_copier_output(outdir: str):
     """Generate and validate the resulting copier managed template."""
-    style_guide_easy = flake8.get_style_guide(
-        ignore=["E302", "E303", "E305", "F401", "W391"]
-    )
-    style_guide_strict = flake8.get_style_guide(
-        ignore=[
-            "F401",  # "imported but unused"
-            "W292",  # "no newline at end of file"
-            "W391",  # "blank line at end of file"
-        ]
-    )
-
     template_path = os.path.join(
         os.path.dirname(os.path.dirname(os.path.dirname(__file__))), "copier_template/"
     )
@@ -62,26 +48,27 @@ def test_copier_output(outdir: str):
         quiet=True,
     )
 
-    for outfile in Path(outdir).glob("**/*.py"):
-        filepath = str(outfile.absolute())
-        report = style_guide_easy.check_files([filepath])
-        errors = report.get_statistics("E")
-        assert (
-            not errors
-        ), f"Flake8 found violations in first pass of {filepath}: {errors}"
-        mypy_out = api.run([filepath, "--config", str(Path(outdir) / Path("tox.ini"))])
-        mypy_msg = str(mypy_out[0])
-        if not mypy_msg.startswith("Success:"):
-            logging.exception(f"MyPy validation failed: {mypy_msg}")
-            assert not mypy_msg, f"MyPy validation failed for file {filepath}"
-        report = style_guide_strict.check_files([filepath])
-        errors = report.get_statistics("E")
-        assert (
-            not errors
-        ), f"Flake8 found violations in second pass of {filepath}: {errors}"
-        black.format_file_in_place(
-            Path(filepath),
-            fast=False,
-            mode=black.FileMode(),
-            write_back=black.WriteBack.NO,
-        )
+    # Use mypy to check the generated code
+    mypy_stdout, mypy_stderr, mypy_exit_status = api.run([outdir])
+    assert not mypy_exit_status, mypy_stdout
+
+    # Use ruff to check the generated code
+    ruff_check = [
+        "ruff",
+        "check",
+        outdir,
+        "--select",
+        "E,F,W,Q",
+    ]
+    p = subprocess.run(ruff_check, capture_output=True)
+    assert p.returncode == 0, p.stdout.decode("utf-8")
+
+    # Use ruff to format the generated code
+    ruff_format = [
+        "ruff",
+        "format",
+        outdir,
+        # "--check",
+    ]
+    p = subprocess.run(ruff_format, capture_output=True)
+    assert p.returncode == 0, p.stdout.decode("utf-8")