Add initial project structure with main application and transport layer

.python-version

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+3.11

main.py

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+import typer
+from src import severcli
+
+
+app = typer.Typer(help="An awesome task manager CLI.")
+
+@app.add_typer(severcli())
+def sever():
+    pass
+
+if __name__ == "__main__":
+    app()

pyproject.toml

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+[project]
+name = "smail"
+version = "0.1.0"
+description = "Add your description here"
+readme = "README.md"
+requires-python = ">=3.11"
+dependencies = [
+    "typer>=0.27.0",
+]

src/__init__.py

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+from .transport import sever
+from .cli import severcli

src/cli/__init__.py

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+from .sever import severcli

src/cli/sever.py

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+import typer
+import asyncio
+from ..transport import sever
+
+severcli = typer.Typer(help="sever for smail")
+
+@severcli.command()
+def start():
+    asyncio.run(sever())

src/transport/__init__.py

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+from .sever import sever

src/transport/sever.py

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+import asyncio
+
+async def handle_echo(reader, writer):
+    # Retrieve client connection details
+    addr = writer.get_extra_info('peername')
+    print(f"Received connection from {addr}")
+
+    try:
+        while True:
+            # Read chunks up to 1024 bytes
+            data = await reader.read(1024)
+            if not data:
+                break # Client disconnected
+                
+            message = data.decode()
+            print(f"Received {message!r} from {addr}")
+
+            # Echo the incoming data back out
+            writer.write(data)
+            await writer.drain()
+            
+    except asyncio.CancelledError:
+        pass
+    finally:
+        print(f"Closing the connection for {addr}")
+        writer.close()
+        await writer.wait_closed()
+
+async def sever():
+    server = await asyncio.start_server(handle_echo, '127.0.0.1', 8888)
+    addr = server.sockets[0].getsockname()
+    print(f'Serving on {addr}')
+
+    async with server:
+        await server.serve_forever()

uv.lock

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+version = 1
+revision = 3
+requires-python = ">=3.11"
+
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+name = "annotated-doc"
+version = "0.0.5"
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+version = "0.4.6"
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