Refactor: Simplify Config.from_dict with dacite and integrate pre-commit

.gitignore

@@ -24,6 +24,7 @@ wheels/
 .installed.cfg
 *.egg
 MANIFEST
+*.lock
 
 # Virtual environments
 venv/

.pre-commit-config.yaml

@@ -0,0 +1,11 @@
+repos:
+  - repo: https://github.com/pycqa/isort
+    rev: "7.0.0"
+    hooks:
+      - id: isort
+        args: ["--profile", "black"]
+
+  - repo: https://github.com/psf/black
+    rev: "25.12.0"
+    hooks:
+      - id: black

openevolve/config.py

@@ -8,6 +8,7 @@
 from pathlib import Path
 from typing import TYPE_CHECKING, Any, Callable, Dict, List, Optional, Union
 
+import dacite
 import yaml
 
 if TYPE_CHECKING:
@@ -418,46 +419,20 @@ def from_yaml(cls, path: Union[str, Path]) -> "Config":
 
     @classmethod
     def from_dict(cls, config_dict: Dict[str, Any]) -> "Config":
-        """Create configuration from a dictionary"""
-        # Handle nested configurations
-        config = Config()
-
-        # Update top-level fields
-        for key, value in config_dict.items():
-            if key not in ["llm", "prompt", "database", "evaluator", "evolution_trace"] and hasattr(
-                config, key
-            ):
-                setattr(config, key, value)
-
-        # Update nested configs
-        if "llm" in config_dict:
-            llm_dict = config_dict["llm"]
-            if "models" in llm_dict:
-                llm_dict["models"] = [LLMModelConfig(**m) for m in llm_dict["models"]]
-            if "evaluator_models" in llm_dict:
-                llm_dict["evaluator_models"] = [
-                    LLMModelConfig(**m) for m in llm_dict["evaluator_models"]
-                ]
-            config.llm = LLMConfig(**llm_dict)
-        if "prompt" in config_dict:
-            config.prompt = PromptConfig(**config_dict["prompt"])
-        if "database" in config_dict:
-            config.database = DatabaseConfig(**config_dict["database"])
-
-        # Ensure database inherits the random seed if not explicitly set
-        if config.database.random_seed is None and config.random_seed is not None:
-            config.database.random_seed = config.random_seed
-        if "evaluator" in config_dict:
-            config.evaluator = EvaluatorConfig(**config_dict["evaluator"])
-        if "evolution_trace" in config_dict:
-            config.evolution_trace = EvolutionTraceConfig(**config_dict["evolution_trace"])
         if "diff_pattern" in config_dict:
-            # Validate it's a valid regex
             try:
                 re.compile(config_dict["diff_pattern"])
             except re.error as e:
                 raise ValueError(f"Invalid regex pattern in diff_pattern: {e}")
-            config.diff_pattern = config_dict["diff_pattern"]
+
+        config: Config = dacite.from_dict(
+            data_class=cls,
+            data=config_dict,
+            config=dacite.Config(cast=[List, Union], forward_references={"LLMInterface": Any}),
+        )
+
+        if config.database.random_seed is None and config.random_seed is not None:
+            config.database.random_seed = config.random_seed
 
         return config
 

pyproject.toml

@@ -8,16 +8,15 @@ dynamic = ["version"]
 description = "Open-source implementation of AlphaEvolve"
 readme = "README.md"
 requires-python = ">=3.10"
-license = {text = "Apache-2.0"}
-authors = [
-    {name = "codelion"}
-]
+license = { text = "Apache-2.0" }
+authors = [{ name = "codelion" }]
 dependencies = [
     "openai>=1.0.0",
     "pyyaml>=6.0",
     "numpy>=1.22.0",
     "tqdm>=4.64.0",
     "flask",
+    "dacite>=1.9.2",
 ]
 
 [project.optional-dependencies]
@@ -28,6 +27,7 @@ dev = [
     "isort>=5.10.0",
     "mypy>=0.950",
     "requests>=2.28.0",
+    "pre-commit>=4.5.1",
 ]
 
 [tool.black]
@@ -52,7 +52,7 @@ openevolve-run = "openevolve.cli:main"
 [tool.pytest.ini_options]
 markers = [
     "slow: marks tests as slow (deselect with '-m \"not slow\"')",
-    "integration: marks tests as integration tests requiring external services"
+    "integration: marks tests as integration tests requiring external services",
 ]
 addopts = "--strict-markers"
 
@@ -63,4 +63,4 @@ include = ["openevolve*"]
 openevolve = ["prompts/defaults/*.txt", "prompts/defaults/*.json"]
 
 [tool.setuptools.dynamic]
-version = {attr = "openevolve._version.__version__"}
+version = { attr = "openevolve._version.__version__" }