Use uv for Python environment

arm_server/arm_server.py

@@ -15,7 +15,9 @@ from flask import Flask, Response, jsonify
 from werkzeug.serving import make_server
 
 # 添加当前目录到路径
-sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+BASE_DIR = os.path.dirname(os.path.abspath(__file__))
+sys.path.insert(0, BASE_DIR)
+LOG_FILE = os.environ.get("ARM_SERVER_LOG_FILE", os.path.join(BASE_DIR, "server.log"))
 
 # 配置日志
 logging.basicConfig(
@@ -23,7 +25,7 @@ logging.basicConfig(
     format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
     handlers=[
         logging.StreamHandler(),
-        logging.FileHandler(os.path.expanduser("~/work/arm_server/server.log"))
+        logging.FileHandler(LOG_FILE)
     ]
 )
 logger = logging.getLogger("arm_server")

arm_server/arm_server.service

@@ -6,13 +6,14 @@ Wants=network-online.target
 [Service]
 Type=simple
 User=pi
-WorkingDirectory=/home/pi/work/arm_server
+WorkingDirectory=/home/pi/work/smart-inspection/arm_server
+Environment=PATH=/home/pi/.local/bin:/usr/local/bin:/usr/bin:/bin
 ExecStartPre=/bin/sleep 5
-ExecStart=/usr/bin/python3 /home/pi/work/arm_server/arm_server.py
+ExecStart=/usr/bin/env uv run --locked python arm_server.py
 Restart=on-failure
 RestartSec=5
-StandardOutput=append:/home/pi/work/arm_server/stdout.log
-StandardError=append:/home/pi/work/arm_server/stderr.log
+StandardOutput=append:/home/pi/work/smart-inspection/arm_server/stdout.log
+StandardError=append:/home/pi/work/smart-inspection/arm_server/stderr.log
 
 [Install]
 WantedBy=multi-user.target

arm_server/requirements.txt

@@ -1,3 +0,0 @@
-# 机械臂端依赖（最少依赖）
-# RoboFlow 已在树莓派上运行，此端仅做透传
-flask>=1.0,<2.3

arm_server/start.sh

@@ -1,12 +1,10 @@
 #!/bin/bash
 # 启动机械臂服务端
+set -e
 
-cd ~/work/arm_server
-PYTHON_BIN="${PYTHON_BIN:-/usr/bin/python3}"
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
+ARM_SERVER_DIR="${ARM_SERVER_DIR:-$PROJECT_DIR/arm_server}"
 
-if ! "$PYTHON_BIN" -c "import flask" >/dev/null 2>&1; then
-    echo "Flask 未安装，正在安装 requirements.txt..."
-    "$PYTHON_BIN" -m pip install --user -r requirements.txt
-fi
-
-exec "$PYTHON_BIN" arm_server.py
+cd "$ARM_SERVER_DIR"
+exec uv run --locked python arm_server.py