[Feature] add cli command chat,complete (#4037)

fastdeploy/entrypoints/cli/main.py

@@ -0,0 +1,56 @@
+"""
+# Copyright (c) 2025  PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""
+
+# This file is modified from https://github.com/vllm-project/vllm/blob/main/vllm/entrypoints/cli/main.py
+from __future__ import annotations
+
+import importlib.metadata
+
+
+def main():
+    import fastdeploy.entrypoints.cli.openai
+    from fastdeploy.utils import FlexibleArgumentParser
+
+    CMD_MODULES = [
+        fastdeploy.entrypoints.cli.openai,
+    ]
+
+    parser = FlexibleArgumentParser(description="FastDeploy CLI")
+    parser.add_argument(
+        "-v",
+        "--version",
+        action="version",
+        version=importlib.metadata.version("fastdeploy"),
+    )
+    subparsers = parser.add_subparsers(required=False, dest="subparser")
+    cmds = {}
+    for cmd_module in CMD_MODULES:
+        new_cmds = cmd_module.cmd_init()
+        for cmd in new_cmds:
+            cmd.subparser_init(subparsers).set_defaults(dispatch_function=cmd.cmd)
+            cmds[cmd.name] = cmd
+    args = parser.parse_args()
+    if args.subparser in cmds:
+        cmds[args.subparser].validate(args)
+
+    if hasattr(args, "dispatch_function"):
+        args.dispatch_function(args)
+    else:
+        parser.print_help()
+
+
+if __name__ == "__main__":
+    main()