ai-agent-book 精选快照（<2MB 代码与文档，来自 github.com/bojieli/ai-agent-book）

chapter7/model-action-threshold/tasks/localized_timeout/repo/app/__init__.py

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+"""Example application package."""

chapter7/model-action-threshold/tasks/localized_timeout/repo/app/config.py

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+"""Runtime timeout configuration."""
+
+DEFAULT_TIMEOUT = 30
+
+
+def resolve_timeout(explicit=None, env=None):
+    """Return a positive timeout using explicit > environment > default."""
+    env = env or {}
+    raw = env.get("AGENT_TIMEOUT", explicit)
+    try:
+        value = int(raw)
+    except (TypeError, ValueError):
+        return DEFAULT_TIMEOUT
+    return value if value > 0 else DEFAULT_TIMEOUT

chapter7/model-action-threshold/tasks/localized_timeout/repo/app/worker.py

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+"""Worker construction kept separate from configuration parsing."""
+
+from app.config import resolve_timeout
+
+
+def worker_options(timeout=None, env=None):
+    return {"timeout": resolve_timeout(timeout, env), "retries": 2}

chapter7/model-action-threshold/tasks/localized_timeout/repo/tests/test_config.py

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+import unittest
+
+from app.config import DEFAULT_TIMEOUT, resolve_timeout
+
+
+class ResolveTimeoutTests(unittest.TestCase):
+    def test_explicit_value_wins_over_environment(self):
+        self.assertEqual(resolve_timeout(12, {"AGENT_TIMEOUT": "45"}), 12)
+
+    def test_environment_is_used_without_explicit_value(self):
+        self.assertEqual(resolve_timeout(None, {"AGENT_TIMEOUT": "45"}), 45)
+
+    def test_invalid_values_use_default(self):
+        self.assertEqual(resolve_timeout("nope", {}), DEFAULT_TIMEOUT)
+        self.assertEqual(resolve_timeout(0, {}), DEFAULT_TIMEOUT)
+        self.assertEqual(resolve_timeout(-2, {}), DEFAULT_TIMEOUT)
+
+
+if __name__ == "__main__":
+    unittest.main()

chapter7/model-action-threshold/tasks/localized_timeout/task.json

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+{
+  "category": "localized",
+  "instruction": "Fix the timeout configuration bug exposed by the tests. The public resolve_timeout API must remain unchanged. Explicit arguments should take precedence over AGENT_TIMEOUT, and invalid or non-positive values should fall back to the default.",
+  "test_command": ["python", "-m", "unittest", "discover", "-s", "tests", "-v"]
+}