refactor: The first refactored version for sdk release (#907)

Co-authored-by: chengfangyin2 <chengfangyin3@jd.com>

dbgpt/app/_cli.py

@@ -0,0 +1,36 @@
+import click
+import os
+from dbgpt.app.base import WebServerParameters
+from dbgpt.configs.model_config import LOGDIR
+from dbgpt.util.parameter_utils import EnvArgumentParser
+from dbgpt.util.command_utils import _run_current_with_daemon, _stop_service
+
+
+@click.command(name="webserver")
+@EnvArgumentParser.create_click_option(WebServerParameters)
+def start_webserver(**kwargs):
+    """Start webserver(dbgpt_server.py)"""
+    if kwargs["daemon"]:
+        log_file = os.path.join(LOGDIR, "webserver_uvicorn.log")
+        _run_current_with_daemon("WebServer", log_file)
+    else:
+        from dbgpt.app.dbgpt_server import run_webserver
+
+        run_webserver(WebServerParameters(**kwargs))
+
+
+@click.command(name="webserver")
+@click.option(
+    "--port",
+    type=int,
+    default=None,
+    required=False,
+    help=("The port to stop"),
+)
+def stop_webserver(port: int):
+    """Stop webserver(dbgpt_server.py)"""
+    _stop_service("webserver", "WebServer", port=port)
+
+
+def _stop_all_dbgpt_server():
+    _stop_service("webserver", "WebServer")