将ocr解析模块独立出来

ocr/utils.py

@@ -0,0 +1,40 @@
+#
+#  Copyright 2025 The InfiniFlow 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.
+#
+"""
+OCR 模块工具函数
+"""
+import os
+
+
+def get_project_base_directory(*args):
+    """
+    获取项目根目录
+    
+    Args:
+        *args: 可选的子路径
+        
+    Returns:
+        str: 项目根目录路径
+    """
+    # 获取当前文件的目录
+    current_dir = os.path.dirname(os.path.realpath(__file__))
+    # 返回 ocr 模块的父目录（项目根目录）
+    base_dir = os.path.dirname(current_dir)
+    
+    if args:
+        return os.path.join(base_dir, *args)
+    return base_dir
+