chore: add ruff settings to pyproject.toml

Add ruff settings to pyproject.toml to prevent deprecation warnings
beyond our control and to disable formatting for now to avoid the noise
it would generate.

Author: stevenh

Diff for: pyproject.toml

@@ -96,3 +96,24 @@ crawl4ai = { workspace = true }
 dev = [
     "crawl4ai",
 ]
+
+[tool.pytest.ini_options]
+asyncio_default_fixture_loop_scope = "function" # Prevent deprecation warning
+# Disable deprecation warnings for code we don't control.
+filterwarnings = [
+    "ignore::DeprecationWarning",
+    "default::DeprecationWarning:__main__",
+    "default::DeprecationWarning:crawl4ai.*",
+]
+timeout = 20
+timeout_func_only = true
+
+# Basic configuration for the `ruff` tool to preserve basic formatting.
+[tool.ruff]
+line-length = 120
+target-version = "py39"
+
+# As a temporary workaround, exclude all files from ruff formatting as the
+# code base has various code style and would introduce a lot of noise.
+[tool.ruff.format]
+exclude = ["*.py"]