119 lines
4.2 KiB
Python
119 lines
4.2 KiB
Python
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import os
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import shutil
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from pathlib import Path
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import psutil
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class DirectoryManager:
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def __init__(self, config):
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"""
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初始化目录管理器
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Args:
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config: 配置对象，包含输入和输出目录等信息
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"""
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self.config = config
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def check_disk_space(self):
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"""检查磁盘空间是否足够"""
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# 获取输入目录大小
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input_size = self._get_directory_size(self.config.image_dir)
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# 获取输入目录所在磁盘的剩余空间
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output_drive = os.path.splitdrive(
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os.path.abspath(self.config.image_dir))[0]
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if not output_drive: # 处理Linux/Unix路径
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output_drive = '/home'
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disk_usage = psutil.disk_usage(output_drive)
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free_space = disk_usage.free
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# 计算所需空间（输入大小的1.5倍）
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required_space = input_size * 10
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if free_space < required_space:
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error_msg = (
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f"磁盘空间不足!\n"
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f"输入目录大小: {input_size / (1024**3):.2f} GB\n"
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f"所需空间: {required_space / (1024**3):.2f} GB\n"
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f"可用空间: {free_space / (1024**3):.2f} GB\n"
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f"在驱动器 {output_drive}"
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)
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raise RuntimeError(error_msg)
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def clean_output_dir(self):
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"""清理输出目录"""
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try:
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if os.path.exists(self.config.output_dir):
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shutil.rmtree(self.config.output_dir)
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print(f"已清理输出目录: {self.config.output_dir}")
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except Exception as e:
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print(f"清理输出目录时发生错误: {str(e)}")
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raise
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def setup_output_dirs(self):
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"""创建必要的输出目录结构"""
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try:
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# 创建主输出目录
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os.makedirs(self.config.output_dir)
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# 创建过滤图像保存目录
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os.makedirs(os.path.join(self.config.output_dir, 'filter_imgs'))
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# 创建日志目录
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os.makedirs(os.path.join(self.config.output_dir, 'logs'))
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print(f"已创建输出目录结构: {self.config.output_dir}")
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except Exception as e:
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print(f"创建输出目录时发生错误: {str(e)}")
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raise
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def rename_input_dir(self):
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"""修改输入目录，符合ODM要求"""
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image_dir = Path(self.config.image_dir).resolve()
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# 原目录名和父路径
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parent_dir = image_dir.parent
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original_name = image_dir.name
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if not image_dir.exists() or not image_dir.is_dir():
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raise ValueError(
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f"Provided path '{image_dir}' is not a valid directory.")
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if image_dir.name == "images" and parent_dir == image_dir.parent:
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# 如果目录已经是 images，直接返回
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print(f"输入目录已经是images，无需重命名: {image_dir}")
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final_images_path = image_dir
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else:
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# 新的 images 路径（原目录重命名为 images）
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images_path = parent_dir / "images"
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# 重命名原目录为 images
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image_dir.rename(images_path)
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# 创建一个新的、和原目录同名的文件夹
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new_root = parent_dir / original_name
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new_root.mkdir(exist_ok=False)
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# 创建 project 子文件夹
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project_dir = new_root / "project"
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project_dir.mkdir()
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# 把 images 文件夹移动到 project 下
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final_images_path = project_dir / "images"
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shutil.move(str(images_path), str(final_images_path))
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print(f"符合标准输入的文件夹结构已经创建好了，{final_images_path}")
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return final_images_path.parent.parent
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def _get_directory_size(self, path):
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"""获取目录的总大小（字节）"""
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total_size = 0
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for dirpath, dirnames, filenames in os.walk(path):
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for filename in filenames:
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file_path = os.path.join(dirpath, filename)
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try:
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total_size += os.path.getsize(file_path)
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except (OSError, FileNotFoundError):
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continue
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return total_size
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