feat: 图片迁移脚本
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This commit is contained in:
751
scripts/image_migrate.py
Executable file
751
scripts/image_migrate.py
Executable file
@@ -0,0 +1,751 @@
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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图片迁移脚本 - 通过SSH或本地目录迁移图片到远程服务器
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保持相对路径结构一致
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"""
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import argparse
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import json
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import os
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import shutil
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import sys
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import tempfile
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import time
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from typing import Any, Dict, List, Optional, Tuple
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# paramiko 导入被延迟到实际需要时
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paramiko: Any = None
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def ensure_paramiko() -> None:
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"""确保paramiko已导入,如果未安装则报错"""
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global paramiko
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if paramiko is None:
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try:
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import paramiko as paramiko_module
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paramiko = paramiko_module
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except ImportError:
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print("错误: 需要安装paramiko库")
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print("请运行: pip install paramiko")
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sys.exit(1)
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class ServerConfig:
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"""服务器配置(支持SSH或本地目录)"""
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def __init__(
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self,
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config_type: str = "ssh", # "ssh" 或 "local"
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host: str = "",
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port: int = 22,
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username: Optional[str] = None,
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password: Optional[str] = None,
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key_file: Optional[str] = None,
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base_dir: Optional[str] = None,
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):
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"""
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初始化服务器配置
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Args:
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config_type: 配置类型,'ssh' 表示SSH服务器,'local' 表示本地目录
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host: 服务器地址(对于local类型可为None)
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port: 服务器端口(仅SSH类型)
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username: 用户名(仅SSH类型)
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password: 密码(仅SSH类型)
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key_file: 私钥文件路径(仅SSH类型)
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base_dir: 基础目录路径
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"""
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self.config_type = config_type
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self.host = host
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self.port = port
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self.username = username
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self.password = password
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self.key_file = key_file
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self.base_dir = base_dir.rstrip("/") if base_dir else ""
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def to_dict(self) -> Dict:
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"""转换为字典"""
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return {
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"type": self.config_type,
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"host": self.host,
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"port": self.port,
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"username": self.username,
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"password": self.password,
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"key_file": self.key_file,
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"base_dir": self.base_dir,
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}
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@classmethod
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def from_dict(cls, data: Dict) -> "ServerConfig":
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"""从字典创建"""
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ssh_data = data.get("ssh", {})
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return cls(
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config_type=data.get("type", "ssh"),
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host=ssh_data.get("host", "localhost"),
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port=ssh_data.get("port", 22),
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username=ssh_data.get("username", ""),
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password=ssh_data.get("password", ""),
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key_file=ssh_data.get("key_file", ""),
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base_dir=data.get("base_dir", ""),
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)
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def is_local(self) -> bool:
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"""是否是本地目录配置"""
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return self.config_type == "local"
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def __str__(self) -> str:
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if self.is_local():
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return f"LocalDirectory(base_dir={self.base_dir})"
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else:
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return f"SSHServer(host={self.host}:{self.port}, user={self.username}, base_dir={self.base_dir})"
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class ImageMigrator:
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"""图片迁移器"""
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def __init__(
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self,
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source_config: ServerConfig,
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target_config: ServerConfig,
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verbose: bool = False,
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overwrite: bool = False,
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) -> None:
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"""
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初始化迁移器
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Args:
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source_config: 源服务器配置(可以是本地目录或SSH服务器)
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target_config: 目标服务器配置(必须为SSH服务器)
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verbose: 是否显示详细输出
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overwrite: 是否覆盖已存在的文件
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"""
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self.source_config = source_config
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self.target_config = target_config
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self.verbose = verbose
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self.overwrite = overwrite
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# SSH客户端连接(仅用于SSH类型的服务器)
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self.source_client: Any = None
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self.target_client: Any = None
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self.source_sftp: Any = None
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self.target_sftp: Any = None
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# 统计信息
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self.stats = {
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"total": 0,
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"success": 0,
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"failed": 0,
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"skipped": 0,
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"bytes_transferred": 0,
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}
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def connect(self) -> bool:
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"""连接到服务器"""
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try:
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# 确保paramiko已导入
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ensure_paramiko()
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# 连接目标服务器(必须为SSH)
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if self.target_config.is_local():
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print("错误: 目标服务器必须为SSH服务器,不能是本地目录")
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return False
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self.target_client = paramiko.SSHClient()
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self.target_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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if self.verbose:
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print(
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f"连接到目标服务器: {self.target_config.host}:{self.target_config.port}"
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)
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if self.target_config.key_file:
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key = paramiko.RSAKey.from_private_key_file(self.target_config.key_file)
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self.target_client.connect(
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hostname=self.target_config.host,
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port=self.target_config.port,
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username=self.target_config.username,
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pkey=key,
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)
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else:
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self.target_client.connect(
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hostname=self.target_config.host,
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port=self.target_config.port,
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username=self.target_config.username,
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password=self.target_config.password,
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)
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self.target_sftp = self.target_client.open_sftp()
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# 连接源服务器(如果是SSH类型)
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if not self.source_config.is_local():
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self.source_client = paramiko.SSHClient()
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self.source_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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if self.verbose:
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print(
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f"连接到源服务器: {self.source_config.host}:{self.source_config.port}"
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)
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if self.source_config.key_file:
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key = paramiko.RSAKey.from_private_key_file(
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self.source_config.key_file
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)
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self.source_client.connect(
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hostname=self.source_config.host,
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port=self.source_config.port,
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username=self.source_config.username,
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pkey=key,
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)
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else:
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self.source_client.connect(
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hostname=self.source_config.host,
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port=self.source_config.port,
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username=self.source_config.username,
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password=self.source_config.password,
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)
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self.source_sftp = self.source_client.open_sftp()
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if self.verbose:
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source_type = (
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"本地目录" if self.source_config.is_local() else "SSH服务器"
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)
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print(f"连接成功! 源: {source_type}, 目标: SSH服务器")
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return True
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except Exception as e:
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print(f"连接失败: {e}")
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self.close()
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return False
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def close(self) -> None:
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"""关闭所有连接"""
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if self.source_sftp:
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self.source_sftp.close()
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if self.source_client:
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self.source_client.close()
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if self.target_sftp:
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self.target_sftp.close()
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if self.target_client:
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self.target_client.close()
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if self.verbose:
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print("连接已关闭")
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def ensure_target_directory(self, remote_dir: str) -> bool:
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"""确保目标目录存在(递归创建)"""
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try:
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# 检查目录是否存在
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try:
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self.target_sftp.stat(remote_dir)
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return True
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except FileNotFoundError:
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# 目录不存在,递归创建
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parts = remote_dir.strip("/").split("/")
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current_path = ""
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for part in parts:
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if not part:
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continue
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current_path = f"{current_path}/{part}" if current_path else part
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try:
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self.target_sftp.stat(current_path)
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except FileNotFoundError:
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if self.verbose:
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print(f"创建目录: {current_path}")
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self.target_sftp.mkdir(current_path)
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return True
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except Exception as e:
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print(f"创建目录失败 {remote_dir}: {e}")
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return False
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def get_source_file_info(self, source_path: str) -> Tuple[bool, Optional[int]]:
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"""
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获取源文件信息
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Returns:
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Tuple[exists: bool, size: Optional[int]]
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"""
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try:
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if self.source_config.is_local():
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# 本地文件
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if os.path.exists(source_path):
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return True, os.path.getsize(source_path)
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else:
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return False, 0
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else:
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# SSH远程文件
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source_attr = self.source_sftp.stat(source_path)
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return True, source_attr.st_size
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except Exception:
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return False, 0
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def read_source_file(self, source_path: str, temp_path: str) -> bool:
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"""
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读取源文件到临时文件
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Returns:
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bool: 是否成功
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"""
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try:
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if self.source_config.is_local():
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# 从本地文件复制
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shutil.copy2(source_path, temp_path)
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return True
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else:
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# 从SSH服务器下载
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self.source_sftp.get(source_path, temp_path)
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return True
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except Exception as e:
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print(f"读取源文件失败 {source_path}: {e}")
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return False
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def transfer_file(self, relative_path: str) -> bool:
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"""
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传输单个文件
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Args:
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relative_path: 相对路径(相对于基础目录)
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Returns:
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bool: 是否成功
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"""
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try:
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# 构建完整路径
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source_path = f"{self.source_config.base_dir}/{relative_path}"
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target_path = f"{self.target_config.base_dir}/{relative_path}"
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if self.verbose:
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source_type = "本地" if self.source_config.is_local() else "远程"
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print(f"传输: {relative_path}")
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print(f" 源({source_type}): {source_path}")
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print(f" 目标(远程): {target_path}")
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# 检查源文件是否存在并获取大小
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source_exists, file_size = self.get_source_file_info(source_path)
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if not source_exists:
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print(f"错误: 源文件不存在: {source_path}")
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self.stats["failed"] += 1
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return False
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# 检查目标文件是否已存在(根据overwrite选项处理)
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try:
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self.target_sftp.stat(target_path)
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if not self.overwrite:
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if self.verbose:
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print(f"跳过: 目标文件已存在: {target_path}")
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self.stats["skipped"] += 1
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return True
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else:
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if self.verbose:
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print(f"覆盖: 目标文件已存在: {target_path}")
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except FileNotFoundError:
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pass
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# 确保目标目录存在
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target_dir = os.path.dirname(target_path)
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if target_dir and not self.ensure_target_directory(target_dir):
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print(f"错误: 无法创建目标目录: {target_dir}")
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self.stats["failed"] += 1
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return False
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# 传输文件
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start_time = time.time()
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temp_path = None
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try:
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# 创建临时文件
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with tempfile.NamedTemporaryFile(delete=False) as temp_file:
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temp_path = temp_file.name
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# 读取源文件到临时文件
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if not self.read_source_file(source_path, temp_path):
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self.stats["failed"] += 1
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return False
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# 上传到目标服务器
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self.target_sftp.put(temp_path, target_path)
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finally:
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# 清理临时文件
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if temp_path and os.path.exists(temp_path):
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try:
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os.remove(temp_path)
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except Exception:
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pass
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# 记录统计
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transfer_time = time.time() - start_time
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speed = (file_size or 0) / transfer_time / 1024 if transfer_time > 0 else 0
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if self.verbose:
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print(
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f" 完成: {file_size} bytes, 耗时: {transfer_time:.2f}s, 速度: {speed:.2f} KB/s"
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)
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self.stats["success"] += 1
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self.stats["bytes_transferred"] += file_size or 0
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return True
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except Exception as e:
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print(f"传输失败 {relative_path}: {e}")
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self.stats["failed"] += 1
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return False
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def migrate_images(self, image_paths: List[str]) -> Dict[str, int]:
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"""
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迁移图片列表
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Args:
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image_paths: 相对路径列表
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Returns:
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Dict: 统计信息
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"""
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if not self.connect():
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return self.stats
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try:
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self.stats["total"] = len(image_paths)
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source_type = "本地目录" if self.source_config.is_local() else "SSH服务器"
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print(f"开始从{source_type}迁移 {len(image_paths)} 个图片到SSH服务器...")
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for i, relative_path in enumerate(image_paths, 1):
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# 清理路径
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relative_path = relative_path.strip()
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if not relative_path:
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continue
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# 显示进度
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print(f"[{i}/{len(image_paths)}] {relative_path}", end="")
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# 传输文件
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success = self.transfer_file(relative_path)
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if success:
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print(" ✓")
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else:
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print(" ✗")
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# 打印统计信息
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print("\n" + "=" * 50)
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print("迁移完成!")
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print(f"总计: {self.stats['total']}")
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print(f"成功: {self.stats['success']}")
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print(f"失败: {self.stats['failed']}")
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print(f"跳过: {self.stats['skipped']}")
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print(f"传输字节: {self.stats['bytes_transferred']:,}")
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return self.stats
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finally:
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self.close()
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def load_config(config_file: str) -> Dict:
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"""加载配置文件"""
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try:
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with open(config_file, "r", encoding="utf-8") as f:
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config = json.load(f)
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return config
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except Exception as e:
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print(f"加载配置文件失败 {config_file}: {e}")
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return {}
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def save_config(config_file: str, config: Dict):
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"""保存配置文件"""
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try:
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with open(config_file, "w", encoding="utf-8") as f:
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json.dump(config, f, indent=2, ensure_ascii=False)
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||||
print(f"配置文件已保存: {config_file}")
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except Exception as e:
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print(f"保存配置文件失败 {config_file}: {e}")
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||||
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||||
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||||
def create_example_config(config_file: str):
|
||||
"""创建示例配置文件"""
|
||||
example_config = {
|
||||
"source": {
|
||||
"type": "local", # 可以是 "local" 或 "ssh"
|
||||
"base_dir": "/path/to/local/images",
|
||||
# 如果是SSH类型,需要以下配置
|
||||
"ssh": {
|
||||
"host": "source-server.example.com",
|
||||
"port": 22,
|
||||
"username": "username",
|
||||
"password": "your_password_here",
|
||||
"key_file": "/path/to/private/key",
|
||||
},
|
||||
},
|
||||
"target": {
|
||||
"type": "ssh", # 目标必须是SSH类型
|
||||
"base_dir": "/var/www/html/images",
|
||||
"ssh": {
|
||||
"host": "target-server.example.com",
|
||||
"port": 22,
|
||||
"username": "username",
|
||||
"password": "your_password_here",
|
||||
"key_file": "/path/to/private/key",
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
save_config(config_file, example_config)
|
||||
print("已创建示例配置文件")
|
||||
print("注意: 源服务器可以是本地目录(local)或SSH服务器(ssh)")
|
||||
print(" 目标服务器必须是SSH服务器(ssh)")
|
||||
|
||||
|
||||
def read_image_paths(image_list_file: str) -> List[str]:
|
||||
"""从文件读取图片路径列表"""
|
||||
paths = []
|
||||
try:
|
||||
with open(image_list_file, "r", encoding="utf-8") as f:
|
||||
for line in f:
|
||||
line = line.strip()
|
||||
if line and not line.startswith("#"):
|
||||
paths.append(line)
|
||||
print(f"从文件读取 {len(paths)} 个图片路径")
|
||||
except Exception as e:
|
||||
print(f"读取图片路径文件失败 {image_list_file}: {e}")
|
||||
return paths
|
||||
|
||||
|
||||
def main():
|
||||
parser = argparse.ArgumentParser(
|
||||
description="从本地目录或SSH服务器迁移图片到远程SSH服务器,保持相对路径结构",
|
||||
formatter_class=argparse.RawDescriptionHelpFormatter,
|
||||
epilog="""
|
||||
示例:
|
||||
# 使用配置文件迁移(源为本地目录)
|
||||
python image_migrate.py --config config.json --input images.txt
|
||||
|
||||
# 使用配置文件迁移(源为SSH服务器)
|
||||
# 配置文件中 source.type="ssh"
|
||||
|
||||
# 直接指定参数迁移(源为本地目录)
|
||||
python image_migrate.py \\
|
||||
--source-type local --source-dir /path/to/local/images \\
|
||||
--target-host dst.example.com --target-user user2 --target-dir /home/user/images \\
|
||||
--input images.txt
|
||||
|
||||
# 直接指定参数迁移(源为SSH服务器)
|
||||
python image_migrate.py \\
|
||||
--source-type ssh --source-host src.example.com --source-user user1 --source-dir /var/www/images \\
|
||||
--target-host dst.example.com --target-user user2 --target-dir /home/user/images \\
|
||||
--input images.txt
|
||||
|
||||
# 创建示例配置文件
|
||||
python image_migrate.py --create-config config.json
|
||||
|
||||
# 从命令行直接指定图片路径
|
||||
python image_migrate.py --config config.json images/product1.jpg images/product2.jpg
|
||||
""",
|
||||
)
|
||||
|
||||
# 配置文件选项
|
||||
parser.add_argument("--config", help="配置文件路径")
|
||||
parser.add_argument("--create-config", metavar="FILE", help="创建示例配置文件")
|
||||
|
||||
# 源服务器选项
|
||||
parser.add_argument(
|
||||
"--source-type",
|
||||
choices=["local", "ssh"],
|
||||
default="local",
|
||||
help="源服务器类型: local(本地目录) 或 ssh(SSH服务器),默认: local",
|
||||
)
|
||||
parser.add_argument("--source-host", help="源服务器地址(仅SSH类型需要)")
|
||||
parser.add_argument(
|
||||
"--source-port",
|
||||
type=int,
|
||||
default=22,
|
||||
help="源服务器端口(仅SSH类型,默认: 22)",
|
||||
)
|
||||
parser.add_argument("--source-user", help="源服务器用户名(仅SSH类型需要)")
|
||||
parser.add_argument("--source-password", help="源服务器密码(仅SSH类型需要)")
|
||||
parser.add_argument("--source-key", help="源服务器私钥文件路径(仅SSH类型需要)")
|
||||
parser.add_argument("--source-dir", help="源服务器图片基础目录")
|
||||
|
||||
# 目标服务器选项
|
||||
parser.add_argument("--target-host", help="目标服务器地址")
|
||||
parser.add_argument(
|
||||
"--target-port", type=int, default=22, help="目标服务器端口(默认: 22)"
|
||||
)
|
||||
parser.add_argument("--target-user", help="目标服务器用户名")
|
||||
parser.add_argument("--target-password", help="目标服务器密码")
|
||||
parser.add_argument("--target-key", help="目标服务器私钥文件路径")
|
||||
parser.add_argument("--target-dir", help="目标服务器图片基础目录")
|
||||
|
||||
# 输入选项
|
||||
parser.add_argument(
|
||||
"--input", "-i", help="包含图片路径列表的文件(每行一个相对路径)"
|
||||
)
|
||||
parser.add_argument("--verbose", "-v", action="store_true", help="显示详细输出")
|
||||
parser.add_argument("--overwrite", action="store_true", help="覆盖已存在的文件")
|
||||
|
||||
# 直接传递图片路径
|
||||
parser.add_argument("image_paths", nargs="*", help="直接指定图片相对路径")
|
||||
|
||||
args = parser.parse_args()
|
||||
|
||||
# 创建示例配置文件
|
||||
if args.create_config:
|
||||
create_example_config(args.create_config)
|
||||
return
|
||||
|
||||
# 检查必要参数(如果不是创建配置文件)
|
||||
if not args.config and not (
|
||||
args.source_dir and args.target_host and args.target_user and args.target_dir
|
||||
):
|
||||
print("错误: 必须提供配置文件或指定必要的服务器参数")
|
||||
print("必要参数: --source-dir, --target-host, --target-user, --target-dir")
|
||||
parser.print_help()
|
||||
sys.exit(1)
|
||||
|
||||
# 加载配置
|
||||
config = {}
|
||||
if args.config:
|
||||
config = load_config(args.config)
|
||||
if not config:
|
||||
print("错误: 无法加载配置文件")
|
||||
sys.exit(1)
|
||||
|
||||
# 构建源服务器配置
|
||||
source_config_data = config.get("source", {})
|
||||
|
||||
# 命令行参数覆盖配置文件
|
||||
if args.source_type:
|
||||
source_config_data["type"] = args.source_type
|
||||
|
||||
# 如果是SSH类型,需要SSH配置
|
||||
if args.source_type == "ssh" or source_config_data.get("type") == "ssh":
|
||||
ssh_config = source_config_data.get("ssh", {})
|
||||
|
||||
if args.source_host:
|
||||
ssh_config["host"] = args.source_host
|
||||
if args.source_port:
|
||||
ssh_config["port"] = args.source_port
|
||||
if args.source_user:
|
||||
ssh_config["username"] = args.source_user
|
||||
if args.source_password:
|
||||
ssh_config["password"] = args.source_password
|
||||
if args.source_key:
|
||||
ssh_config["key_file"] = args.source_key
|
||||
|
||||
source_config_data["ssh"] = ssh_config
|
||||
|
||||
# 检查必要的SSH参数
|
||||
if not ssh_config.get("host"):
|
||||
print("错误: 源服务器为SSH类型,必须指定 --source-host")
|
||||
sys.exit(1)
|
||||
if not ssh_config.get("username"):
|
||||
print("错误: 源服务器为SSH类型,必须指定 --source-user")
|
||||
sys.exit(1)
|
||||
else:
|
||||
# 本地类型,不需要SSH配置
|
||||
source_config_data.pop("ssh", None)
|
||||
|
||||
# 设置基础目录
|
||||
if args.source_dir:
|
||||
source_config_data["base_dir"] = args.source_dir
|
||||
elif "base_dir" not in source_config_data:
|
||||
print("错误: 必须指定源服务器图片基础目录 (--source-dir)")
|
||||
sys.exit(1)
|
||||
|
||||
# 构建目标服务器配置
|
||||
target_config_data = config.get("target", {})
|
||||
target_config_data["type"] = "ssh" # 目标必须是SSH
|
||||
|
||||
ssh_config = target_config_data.get("ssh", {})
|
||||
|
||||
# 命令行参数覆盖配置文件
|
||||
if args.target_host:
|
||||
ssh_config["host"] = args.target_host
|
||||
if args.target_port:
|
||||
ssh_config["port"] = args.target_port
|
||||
if args.target_user:
|
||||
ssh_config["username"] = args.target_user
|
||||
if args.target_password:
|
||||
ssh_config["password"] = args.target_password
|
||||
if args.target_key:
|
||||
ssh_config["key_file"] = args.target_key
|
||||
|
||||
target_config_data["ssh"] = ssh_config
|
||||
|
||||
# 设置基础目录
|
||||
if args.target_dir:
|
||||
target_config_data["base_dir"] = args.target_dir
|
||||
elif "base_dir" not in target_config_data:
|
||||
print("错误: 必须指定目标服务器图片基础目录 (--target-dir)")
|
||||
sys.exit(1)
|
||||
|
||||
# 检查必要的目标SSH参数
|
||||
if not ssh_config.get("host"):
|
||||
print("错误: 必须指定目标服务器地址 (--target-host)")
|
||||
sys.exit(1)
|
||||
if not ssh_config.get("username"):
|
||||
print("错误: 必须指定目标服务器用户名 (--target-user)")
|
||||
sys.exit(1)
|
||||
|
||||
# 创建服务器配置对象
|
||||
try:
|
||||
source_config = ServerConfig.from_dict(source_config_data)
|
||||
target_config = ServerConfig.from_dict(target_config_data)
|
||||
|
||||
if args.verbose:
|
||||
print(f"源服务器配置: {source_config}")
|
||||
print(f"目标服务器配置: {target_config}")
|
||||
except Exception as e:
|
||||
print(f"创建服务器配置失败: {e}")
|
||||
sys.exit(1)
|
||||
|
||||
# 获取图片路径列表
|
||||
image_paths = []
|
||||
|
||||
# 从文件读取
|
||||
if args.input:
|
||||
file_paths = read_image_paths(args.input)
|
||||
image_paths.extend(file_paths)
|
||||
|
||||
# 从命令行参数添加
|
||||
if args.image_paths:
|
||||
image_paths.extend(args.image_paths)
|
||||
|
||||
if not image_paths:
|
||||
print("错误: 没有指定要迁移的图片路径")
|
||||
print("请使用 --input 指定文件或直接在命令行提供路径")
|
||||
sys.exit(1)
|
||||
|
||||
# 去重
|
||||
image_paths = list(set(image_paths))
|
||||
|
||||
# 创建并运行迁移器
|
||||
migrator = ImageMigrator(
|
||||
source_config=source_config,
|
||||
target_config=target_config,
|
||||
verbose=args.verbose,
|
||||
overwrite=args.overwrite,
|
||||
)
|
||||
|
||||
# 执行迁移
|
||||
stats = migrator.migrate_images(image_paths)
|
||||
|
||||
# 如果有失败,返回错误代码
|
||||
if stats["failed"] > 0:
|
||||
sys.exit(1)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
Reference in New Issue
Block a user