206 lines
7.1 KiB
Python
206 lines
7.1 KiB
Python
import pandas as pd
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import os
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import shutil
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import urllib
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from sqlalchemy import create_engine, text
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import ntfy_utils # 确保该文件在同一目录下
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# ==========================================
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# 1. 脚本配置 (Configuration)
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# ==========================================
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# 数据库连接信息
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DB_CONFIG = {
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"server": "192.168.110.114",
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"database": "CompanyDB",
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"username": "peng",
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"password": "Cqbld123456.",
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"driver": "ODBC Driver 18 for SQL Server"
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}
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# 目标表配置
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TARGET_DB_SCHEMA = "warehouseOutbound"
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TARGET_TABLE_NAME = "customerProductType"
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SQL_SOURCE_FILE_COL = "SourceFile" # 你在SQL中新增的字段名
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# 字段映射常量
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SQL_COL_YEAR = "合同年份"
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SQL_COL_WORKSHOP = "车间号"
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SQL_COL_ORDER = "工令号"
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SQL_COL_MODEL = "客户型号"
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# 运行参数
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FORCE_UPDATE = False # 如果设为 True，则无视时间对比，强制更新所有文件
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TEMP_DIR = os.path.join(os.path.dirname(os.path.abspath(__file__)), "temp")
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# 迁移任务清单
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MIGRATION_TASKS = [
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{
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"file_path": r"\\192.168.110.113\生产执行卡\往年生产执行卡\生产执行卡2022.xlsm",
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"year": 2022,
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"sheet_names": ["Sheet1"],
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"mapping": {
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"车间号": SQL_COL_WORKSHOP,
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"工令号": SQL_COL_ORDER,
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"产品型号": SQL_COL_MODEL
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}
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},
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{
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"file_path": r"\\192.168.110.113\生产执行卡\往年生产执行卡\生产执行卡2023（1-5月）.xlsm",
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"year": 2023,
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"sheet_names": ["Sheet1"],
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"mapping": {
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"车间号": SQL_COL_WORKSHOP,
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"工令号": SQL_COL_ORDER,
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"产品型号": SQL_COL_MODEL
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}
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}
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]
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# ==========================================
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# 2. 核心辅助函数
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# ==========================================
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def get_db_engine():
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params = urllib.parse.quote_plus(
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f"DRIVER={{{DB_CONFIG['driver']}}};"
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f"SERVER={DB_CONFIG['server']};"
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f"DATABASE={DB_CONFIG['database']};"
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f"UID={DB_CONFIG['username']};"
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f"PWD={DB_CONFIG['password']};"
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f"TrustServerCertificate=yes;"
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)
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# fast_executemany 极大提高写入速度
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return create_engine(f"mssql+pyodbc:///?odbc_connect={params}", fast_executemany=True)
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def get_file_mtime(path):
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"""获取文件最后修改时间戳"""
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try:
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return os.path.getmtime(path)
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except OSError:
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return 0
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def delete_old_data(engine, filename):
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"""根据 SourceFile 字段精确删除旧数据"""
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full_table = f"[{TARGET_DB_SCHEMA}].[{TARGET_TABLE_NAME}]"
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sql = text(f"DELETE FROM {full_table} WHERE [{SQL_SOURCE_FILE_COL}] = :fname")
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with engine.begin() as conn:
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conn.execute(sql, {"fname": filename})
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# ==========================================
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# 3. 迁移主逻辑
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# ==========================================
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def run_migration():
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# 初始化环境
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if not os.path.exists(TEMP_DIR):
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os.makedirs(TEMP_DIR)
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engine = get_db_engine()
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sync_count = 0
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error_count = 0
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print(f"🚀 开始增量同步任务 (强制更新={FORCE_UPDATE})")
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for task in MIGRATION_TASKS:
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remote_path = task['file_path']
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filename = os.path.basename(remote_path)
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local_path = os.path.join(TEMP_DIR, filename)
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# 1. 检查源文件
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if not os.path.exists(remote_path):
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msg = f"远程文件未找到: {remote_path}"
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print(f"❌ {msg}")
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ntfy_utils.send_error(msg)
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continue
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# 2. 增量判定
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remote_mtime = get_file_mtime(remote_path)
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local_mtime = get_file_mtime(local_path)
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if not FORCE_UPDATE and os.path.exists(local_path) and remote_mtime <= local_mtime:
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print(f"⏭️ 跳过: {filename} (文件未变更)")
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continue
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print(f"🔄 正在处理: {filename} ...")
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try:
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# 3. 复制文件到本地 temp
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shutil.copy2(remote_path, local_path)
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# 4. 读取 Excel
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xls_dict = pd.read_excel(local_path, sheet_name=task['sheet_names'])
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if not isinstance(xls_dict, dict):
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xls_dict = {task['sheet_names'][0]: xls_dict}
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# 准备存放该文件所有 Sheet 的合并数据
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df_all_sheets = []
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for sheet_name, df in xls_dict.items():
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if df.empty: continue
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# 清洗与过滤
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df.columns = df.columns.astype(str).str.strip()
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source_cols = list(task['mapping'].keys())
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missing = [c for c in source_cols if c not in df.columns]
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if missing:
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print(f" ⚠️ Sheet[{sheet_name}] 缺失列: {missing}")
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continue
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# 提取并重命名
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df_subset = df[source_cols].copy()
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df_subset.rename(columns=task['mapping'], inplace=True)
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# 注入年份和来源文件名
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df_subset[SQL_COL_YEAR] = task['year']
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df_subset[SQL_SOURCE_FILE_COL] = filename # 存入文件名，用于下次精准删除
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# 数据清洗
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subset_keys = [SQL_COL_YEAR, SQL_COL_WORKSHOP, SQL_COL_ORDER]
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df_subset.dropna(subset=subset_keys, inplace=True)
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df_subset.drop_duplicates(subset=subset_keys, keep='first', inplace=True)
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if not df_subset.empty:
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df_all_sheets.append(df_subset)
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# 5. 写入数据库
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if df_all_sheets:
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final_df = pd.concat(df_all_sheets, ignore_index=True)
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# 执行删除并插入 (事务)
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with engine.begin() as conn:
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# A. 删除旧记录
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delete_sql = text(f"DELETE FROM [{TARGET_DB_SCHEMA}].[{TARGET_TABLE_NAME}] WHERE [{SQL_SOURCE_FILE_COL}] = :fname")
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conn.execute(delete_sql, {"fname": filename})
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# B. 插入新记录
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final_df.to_sql(
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name=TARGET_TABLE_NAME,
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schema=TARGET_DB_SCHEMA,
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con=conn,
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if_exists='append',
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index=False,
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chunksize=1000
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)
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print(f" ✅ 成功同步: {len(final_df)} 行记录")
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sync_count += 1
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else:
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print(f" ⚠️ 警告: 文件内容为空或格式不符")
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except Exception as e:
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error_msg = f"文件 [{filename}] 处理失败: {str(e)}"
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print(f"❌ {error_msg}")
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ntfy_utils.send_error(error_msg)
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error_count += 1
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# 结束汇总
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summary = f"同步完成: 成功 {sync_count} 个文件, 失败 {error_count} 个文件。"
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print(f"\n🏁 {summary}")
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if sync_count > 0:
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# 只有在有实际更新时才发送成功通知
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ntfy_utils.send_ntfy(summary, title="📊 数据迁移报告", tags=["package"])
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if __name__ == "__main__":
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run_migration() |