gumloop · dvlpjrs · May 12, 2025 · May 9, 2025 · May 9, 2025
diff --git a/scripts/server_watcher.py b/scripts/server_watcher.py
@@ -0,0 +1,59 @@
+import os
+import sys
+import time
+import subprocess
+from pathlib import Path
+
+
+def get_file_mtimes(directory, pattern="*.py"):
+    result = {}
+    for path in Path(directory).rglob(pattern):
+        if path.is_file():
+            result[str(path)] = path.stat().st_mtime
+    return result
+
+
+def run_server():
+    cmd = [sys.executable, "src/servers/main.py"]
+    process = subprocess.Popen(cmd)
+    return process
+
+
+def watch_files():
+    servers_dir = "src/servers"
+    print(f"Watching for changes in {servers_dir}/*.py")
+
+    mtimes = get_file_mtimes(servers_dir)
+    process = run_server()
+
+    try:
+        while True:
+            time.sleep(1)
+            new_mtimes = get_file_mtimes(servers_dir)
+
+            # Check for changed files
+            for file_path, mtime in new_mtimes.items():
+                if file_path not in mtimes or mtimes[file_path] != mtime:
+                    print(f"\nChange detected in {file_path}, restarting server...")
+                    process.terminate()
+                    process.wait()
+                    mtimes = new_mtimes
+                    process = run_server()
+                    break
+
+            # Check for new files
+            if set(new_mtimes.keys()) != set(mtimes.keys()):
+                print("\nNew or deleted files detected, restarting server...")
+                process.terminate()
+                process.wait()
+                mtimes = new_mtimes
+                process = run_server()
+
+    except KeyboardInterrupt:
+        print("\nShutting down server...")
+        process.terminate()
+        sys.exit(0)
+
+
+if __name__ == "__main__":
+    watch_files()
diff --git a/start_sse_dev_server.sh b/start_sse_dev_server.sh
@@ -15,14 +15,18 @@ fi
 export GUMCP_HOST=${GUMCP_HOST:-"0.0.0.0"}
 export GUMCP_PORT=${GUMCP_PORT:-"8000"}
 
-# Kill any process running on the specified port
-echo "Checking for processes running on port $GUMCP_PORT..."
-if lsof -i :$GUMCP_PORT > /dev/null; then
-    echo "Killing process running on port $GUMCP_PORT"
-    lsof -ti :$GUMCP_PORT | xargs kill -9
-    sleep 1
-fi
+# Function to kill server process
+kill_server() {
+    echo "Checking for processes running on port $GUMCP_PORT..."
+    if lsof -i :$GUMCP_PORT > /dev/null; then
+        echo "Killing process running on port $GUMCP_PORT"
+        lsof -ti :$GUMCP_PORT | xargs kill -9
+        sleep 1
+    fi
+}
 
-echo "Starting guMCP development server on $GUMCP_HOST:$GUMCP_PORT"
+# Kill any existing server process
+kill_server
 
-python src/servers/main.py
+echo "Starting guMCP development server on $GUMCP_HOST:$GUMCP_PORT with hot reloading"
+python scripts/server_watcher.py