feat: publish Dever core with project scaffolding and versioned AI skills

sdk/python/example.py

@@ -0,0 +1,55 @@
+"""Runnable protocol example with a fixed compiler-owned fixture schema."""
+
+import asyncio
+from dever_component import BusinessError, Contract, Worker, main
+
+
+def setting(value):
+    if not isinstance(value, dict) or set(value) != {"prefix"} or not isinstance(value["prefix"], str):
+        raise ValueError("invalid setting")
+    return value["prefix"]
+
+
+def payload(value):
+    if not isinstance(value, dict) or set(value) != {"text", "delay_ms"}:
+        raise ValueError("invalid payload")
+    if not isinstance(value["text"], str) or type(value["delay_ms"]) is not int or not 0 <= value["delay_ms"] <= 10_000:
+        raise ValueError("invalid payload")
+    return value
+
+
+async def render(value, prefix):
+    await asyncio.sleep(value["delay_ms"] / 1000)
+    return {"value": prefix + value["text"]}
+
+
+async def fail(value, prefix):
+    raise BusinessError("example.rejected", {"reason": "rejected"})
+
+
+def number(value):
+    if not isinstance(value, dict) or set(value) != {"number"} or type(value["number"]) is not int:
+        raise ValueError("invalid number")
+    return value["number"]
+
+
+async def echo_number(value, prefix):
+    return {"number": value}
+
+
+async def stubborn(value, prefix):
+    try:
+        await asyncio.sleep(5)
+    except asyncio.CancelledError:
+        await asyncio.sleep(5)
+    return {"value": prefix + value["text"]}
+
+
+worker = Worker(Contract("example.Text", "fixture-schema-v1", "example.TextAdapter", ("text.render", "text.fail", "number.echo", "text.stubborn"), errors=("example.rejected",)), setting)
+worker.register("text.render", payload, render)
+worker.register("text.fail", payload, fail)
+worker.register("number.echo", number, echo_number)
+worker.register("text.stubborn", payload, stubborn)
+
+if __name__ == "__main__":
+    main(worker)