Upgrade pydantic to 2.6

.flake8

@@ -0,0 +1,2 @@
+[flake8]
+max-line-length=120

.github/workflows/python-lint-test.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7, 3.8, 3.9]
+        python-version: ["3.10", "3.11", "3.12"]
 
     steps:
       - uses: actions/checkout@v2
@@ -19,13 +19,13 @@ jobs:
 
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
-          pip install flake8 black
-          if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+          python -m pip install --upgrade pip poetry
+          poetry config virtualenvs.create false --local
+          poetry install --with=dev --no-root
 
       - name: Lint with flake8
         run: |
-          flake8 --max-line-length=120 --statistics --show-source .
+          flake8 --statistics --show-source .
 
       - name: Lint with black
         run: |

.pre-commit-config.yaml

@@ -0,0 +1,23 @@
+---
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.4.0
+    hooks:
+      - id: trailing-whitespace
+      - id: check-docstring-first
+      - id: debug-statements
+      - id: end-of-file-fixer
+      - id: requirements-txt-fixer
+      - id: check-merge-conflict
+  - repo: https://github.com/psf/black
+    rev: 23.3.0
+    hooks:
+      - id: black
+  - repo: https://github.com/PyCQA/isort
+    rev: 5.12.0
+    hooks:
+      - id: isort
+        args: [--profile, black]
+  - repo: meta
+    hooks:
+      - id: check-useless-excludes

Makefile

@@ -0,0 +1,25 @@
+all: clean package
+
+.PHONY: test
+test:
+	@echo ----- Running python tests -----
+	python3 -m unittest discover
+
+.PHONY: test_coverage
+test_coverage:
+	@echo ----- Testing code coverage -----
+	coverage run --source=kadet -m unittest discover
+	coverage report --fail-under=65 -m
+
+.PHONY: test_formatting
+test_formatting:
+	@echo ----- Testing code formatting -----
+	black --check .
+	@echo
+
+.PHONY: format_codestyle
+format_codestyle:
+	which black || echo "Install black with pip3 install --user black"
+	# ignores line length and reclass
+	black .
+	@echo

kadet/__init__.py

@@ -4,12 +4,12 @@
 
 import hashlib
 import json
-from typing import ClassVar
+from typing import Annotated
 
 import yaml
 from box import Box, BoxList
 from pydantic import BaseModel as PydanticBaseModel
-from pydantic import Extra
+from pydantic import Field
 from typeguard import check_type
 
 ABORT_EXCEPTION_TYPE = ValueError
@@ -110,7 +110,7 @@ def need(self, key, msg="key and value needed", istype=None):
         if key not in self.kwargs:
             raise ABORT_EXCEPTION_TYPE(err_msg)  # XXX in Kapitan this is CompileError
         elif istype is not None:
-            check_type(key, self.kwargs[key], istype)
+            check_type(self.kwargs[key], istype)
 
     def optional(self, key, default=None, istype=None):
         """Set self.kwargs key as optional.
@@ -119,13 +119,13 @@ def optional(self, key, default=None, istype=None):
         match type passed in istype.
         """
         if key in self.kwargs and istype is not None:
-            check_type(key, self.kwargs[key], istype)
+            check_type(self.kwargs[key], istype)
 
         if key not in self.kwargs:
             if default is None:
                 self.kwargs[key] = default
             elif istype is not None:
-                check_type(key, default, istype)
+                check_type(default, istype)
                 self.kwargs[key] = default
 
     def new(self):
@@ -195,11 +195,15 @@ def sha256(self):
 
 
 class BaseModel(PydanticBaseModel):
-    root: ClassVar  # hide root from repr
+    root: Annotated[Dict, Field(repr=False)] = Dict()
+    model_config: Dict = {
+        # https://docs.pydantic.dev/latest/migration/#changes-to-config
+        "arbitrary_types_allowed": True,
+        "extra": "allow",
+    }
 
     def __init__(self, **data):
         super().__init__(**data)
-        self.root = Dict()  # initialise empty root
 
         if hasattr(self, "new"):
             assert callable(self.new)
@@ -253,9 +257,3 @@ def _dump(self, obj):
     def dump(self):
         """Return object dict/list."""
         return self._dump(self)
-
-    class Config:
-        arbitrary_types_allowed = True  # allow all types e.g. BaseObj
-        copy_on_model_validation = False  # performance?
-        underscore_attrs_are_private = True
-        extra = Extra.allow