264 lines
8.2 KiB
Python
264 lines
8.2 KiB
Python
import os
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import sqlite3
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from files_utils.files_sort import GetFilesDBNodeInfo, SortFragmentsByStartByte
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from ntfs_utils.main import volume_letter
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def GetFolderID(
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folder_path: str,
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db_path: str = "../src/db_ntfs_info.db",
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table_name: str = "db_path"
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) -> int | None:
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"""
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根据文件夹路径，查询数据库中该文件夹对应的 ID。
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:param folder_path: 文件夹路径（如 r"CloudMusic\\"）
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:param db_path: 数据库文件路径
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:param table_name: 要查询的数据表名称，默认为 'db_path'
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:return: 成功则返回 ID（int），失败返回 None
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"""
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conn = sqlite3.connect(db_path)
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cursor = conn.cursor()
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try:
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# 使用 table_name 构建 SQL 查询
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sql = f"SELECT ID FROM {table_name} WHERE Path = ?"
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cursor.execute(sql, (folder_path,))
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result = cursor.fetchone()
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if result:
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return result[0]
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else:
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print(f"未找到路径：{folder_path} 在表 {table_name} 中")
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return None
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except sqlite3.Error as e:
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print(f"数据库操作失败：{e}")
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return None
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finally:
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conn.close()
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def GetSubPathsByParentID(
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parent_id: int,
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db_path: str = "../src/db_ntfs_info.db",
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table_name: str = "db_path"
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) -> list:
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"""
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根据 ParentID 查询 db_path 表中对应的子项（文件/文件夹）。
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:param parent_id: 父节点 ID
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:param db_path: 数据库文件路径
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:param table_name: 数据表名称
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:return: 包含 ID、Path、Name 的字典列表
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"""
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conn = sqlite3.connect(db_path)
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cursor = conn.cursor()
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sql = f"""
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SELECT ID, Path, Name
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FROM {table_name}
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WHERE ParentID = ?
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"""
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try:
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cursor.execute(sql, (parent_id,))
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rows = cursor.fetchall()
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except Exception as e:
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print(f"数据库查询失败：{e}")
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return []
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results = []
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for row in rows:
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item = {
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'id': row[0],
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'absolute_path': row[1],
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'name': row[2]
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}
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results.append(item)
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conn.close()
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return results
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def GetSortFragmentsByFolderPath(db_path: str = "../src/db_ntfs_info.db", folder_path: str = None) -> list:
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"""
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根据文件夹路径，查询数据库中该文件夹下的所有文件的分片信息。
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:param db_path: 要查询的数据库
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:param folder_path: 文件夹的绝对路径
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:return list: 文件夹下所有文件按片段顺序排列的列表
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"""
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parent_id = GetFolderID(folder_path=folder_path, db_path=db_path)
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path_data = GetSubPathsByParentID(parent_id=parent_id, db_path=db_path)
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node_data = GetFilesDBNodeInfo(path_records=path_data)
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result = SortFragmentsByStartByte(node_data)
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return result
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# if __name__ == "__main__":
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# folder_path_test = "pictures/"
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# data = GetSortFragmentsByFolderPath(db_path="../src/db_ntfs_info.db", folder_path=folder_path_test)
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# for item in data:
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# print(item)
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def ScanDirectory(root_dir, skip_system=True):
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"""
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递归扫描指定目录，返回相对于盘符的路径列表（使用 '/' 分隔），不包含盘符。
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:param root_dir: 要扫描的根目录路径
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:param skip_system: 是否跳过系统目录（默认 True）
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:return: 文件路径列表，格式为 relative/path/to/file.ext
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"""
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file_list = []
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for root, dirs, files in os.walk(root_dir):
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# 跳过系统目录
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if skip_system:
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dirs[:] = [d for d in dirs if not d.startswith('$') and d != "System Volume Information"]
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for file in files:
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full_path = os.path.join(root, file)
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# 去掉盘符
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_, relative_path = os.path.splitdrive(full_path)
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# 替换 \ 为 /
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relative_path = relative_path.lstrip("\\").replace("\\", "/")
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file_list.append(relative_path)
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return file_list
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# if __name__ == "__main__":
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# folder_path = r"Y:/folder1/"
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# files_list = ScanDirectory(folder_path)
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#
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# print(f"共找到 {len(files_list)} 个文件：")
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# for f in files_list:
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# print(f)
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def ScanMultiFolders(folder_paths_list: list, skip_system: bool = True) -> list:
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"""
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扫描多个根目录，返回所有文件的相对路径列表（格式为 folder/file.ext）。
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:param folder_paths_list: 要扫描的根目录列表（如 ["CloudMusic/", "folder1/"]）
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:param skip_system: 是否跳过系统目录
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:return: 文件路径列表（统一格式为 folder/file.ext）
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"""
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all_files = []
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for root_dir in folder_paths_list:
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# 规范化输入路径，确保结尾有 '/'（如果是目录）
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normalized_root_dir = root_dir.replace("\\", "/")
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if not normalized_root_dir.endswith("/"):
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normalized_root_dir += "/" # 确保结尾 /
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full_root_path = f"{volume_letter}:/{normalized_root_dir}"
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full_root_path = os.path.normpath(full_root_path)
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if not os.path.exists(full_root_path):
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print(f"⚠️ 路径不存在：{full_root_path}")
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continue
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for root, dirs, files in os.walk(full_root_path):
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if skip_system:
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dirs[:] = [d for d in dirs if not d.startswith('$') and d != "System Volume Information"]
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for file in files:
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full_file_path = os.path.join(root, file)
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# 去掉盘符
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_, relative_path = os.path.splitdrive(full_file_path)
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# 去除开头和结尾的 '\' 或 '/' 并替换分隔符
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normalized_path = relative_path.strip("\\").strip("/").replace("\\", "/")
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all_files.append(normalized_path)
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return all_files
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# if __name__ == "__main__":
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# folders = [
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# "CloudMusic\\",
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# "folder1/"
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# ]
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#
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# files = ScanMultiFolders(folders)
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#
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# print(f"共找到 {len(files)} 个文件：")
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# for f in files:
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# print(f)
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def ClassifyFilesAndFolders(paths: list) -> dict:
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"""
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将传入的路径列表分类为文件和目录，并统一使用 '/' 分隔符。
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确保目录路径以 '/' 结尾。
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:param paths: 路径列表（元素可以是文件或目录）
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:return: 包含 'files' 和 'directories' 的字典，路径格式统一为 '/'
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"""
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files = []
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directories = []
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for path in paths:
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# 统一用 '/' 分隔符，并保留原始结构（是否以 '/' 结尾）
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normalized_path = path.replace("\\", "/")
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# 判断是否原本是目录（以 '/' 或 '\' 结尾）
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is_potential_dir = normalized_path.endswith("/")
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# 拼接完整路径用于判断是否存在
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full_path = f"{volume_letter}:/{normalized_path.lstrip('/')}"
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full_path = os.path.normpath(full_path)
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if os.path.isfile(full_path):
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# 如果是文件，去掉结尾的 /（如果有的话）
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if normalized_path.endswith("/"):
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normalized_path = normalized_path.rstrip("/")
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files.append(normalized_path)
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elif os.path.isdir(full_path):
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# 如果是目录，确保以 '/' 结尾
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if not normalized_path.endswith("/"):
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normalized_path += "/"
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directories.append(normalized_path)
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else:
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print(f"⚠️ 路径不存在或类型未知：{normalized_path}")
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return {
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'files': files,
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'folders': directories
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}
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# if __name__ == "__main__":
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# test_paths = [
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# "CloudMusic\\AGA - MIZU.mp3",
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# "CloudMusic/AGA - 一.mp3",
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# "CloudMusic/Aaron Zigman - Main Title.mp3",
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# "CloudMusic/Anson Seabra - Keep Your Head Up Princess.mp3",
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# "CloudMusic/Anthony Keyrouz,Romy Wave - Something Just Like This (feat. Romy Wave).mp3",
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# "CloudMusic/Ava Max - Sweet but Psycho.mp3",
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# "CloudMusic\\",
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# "folder1/",
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# "CloudMusic/Cecilia Cheung - Turn Into Fireworks and Fall for You.mp3",
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# "CloudMusic/Color Music Choir - Something Just Like This (Live).mp3"
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# ]
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#
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# result = ClassifyFilesAndFolders(test_paths)
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#
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# print("✅ 文件列表：")
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# for f in result['files']:
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# print(f)
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#
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# print("\n📁 文件夹列表：")
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# for d in result['directories']:
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# print(d)
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