use pre-commit for unified formatting

Author: yuxuan-z19

.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

pyproject.toml

@@ -8,10 +8,8 @@ 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",
@@ -28,6 +26,7 @@ dev = [
     "isort>=5.10.0",
     "mypy>=0.950",
     "requests>=2.28.0",
+    "pre-commit>=4.5.1",
 ]
 
 [tool.black]
@@ -52,7 +51,7 @@ 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 +62,4 @@ include = ["openevolve*"]
 openevolve = ["prompts/defaults/*.txt", "prompts/defaults/*.json"]
 
 [tool.setuptools.dynamic]
-version = {attr = "openevolve._version.__version__"}
+version = { attr = "openevolve._version.__version__" }