add import to mysql function
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124
import_to_mysql.py
Normal file
124
import_to_mysql.py
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import os
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import sqlite3
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import pymysql
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import sys
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from typing import List, Optional
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from config import DB_HOST, DB_PORT, DB_USER, DB_PASSWORD, DB_NAME, DB_TABLE, PROCESS_DB_THREADS
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BASE_DIR = os.path.dirname(os.path.abspath(__file__))
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def get_thread_indexes() -> Optional[List[int]]:
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if PROCESS_DB_THREADS is None:
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return None
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if isinstance(PROCESS_DB_THREADS, (list, tuple)) and len(PROCESS_DB_THREADS) == 0:
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return None
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return list(PROCESS_DB_THREADS)
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def create_table_if_not_exists(conn):
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sql = f"""
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CREATE TABLE IF NOT EXISTS `{DB_TABLE}` (
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`id` INT AUTO_INCREMENT PRIMARY KEY,
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`softid` INT NOT NULL,
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`softname` TEXT,
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`softdate` DATE,
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`createtime` DATETIME,
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UNIQUE KEY `uniq_softid` (`softid`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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"""
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with conn.cursor() as cur:
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cur.execute(sql)
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conn.commit()
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def import_db(sqlite_path: str, mysql_conn, batch_size: int = 1000):
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if not os.path.exists(sqlite_path):
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print(f"Skipping missing sqlite file: {sqlite_path}")
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return 0
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sconn = sqlite3.connect(sqlite_path)
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scur = sconn.cursor()
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try:
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scur.execute('SELECT softid, softname, softdate, createtime FROM softinfo')
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except Exception as e:
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print(f"Error reading {sqlite_path}: {e}")
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sconn.close()
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return 0
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rows = scur.fetchall()
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total = len(rows)
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if total == 0:
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print(f"No rows in {sqlite_path}")
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sconn.close()
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return 0
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insert_sql = f"INSERT INTO `{DB_TABLE}` (softid, softname, softdate, createtime) VALUES (%s, %s, %s, %s) ON DUPLICATE KEY UPDATE softname=VALUES(softname), softdate=VALUES(softdate), createtime=VALUES(createtime)"
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inserted = 0
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batch = []
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for r in rows:
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# sqlite may store None for softname etc.
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batch.append((r[0], r[1], r[2], r[3]))
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if len(batch) >= batch_size:
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with mysql_conn.cursor() as cur:
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cur.executemany(insert_sql, batch)
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mysql_conn.commit()
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inserted += len(batch)
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print(f"Inserted {inserted}/{total} from {os.path.basename(sqlite_path)}")
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batch = []
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if batch:
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with mysql_conn.cursor() as cur:
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cur.executemany(insert_sql, batch)
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mysql_conn.commit()
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inserted += len(batch)
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print(f"Inserted {inserted}/{total} from {os.path.basename(sqlite_path)}")
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sconn.close()
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return inserted
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def main():
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indexes = get_thread_indexes()
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# Connect to MySQL
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try:
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mconn = pymysql.connect(host=DB_HOST, port=DB_PORT, user=DB_USER, password=DB_PASSWORD, database=DB_NAME, charset='utf8mb4', autocommit=False)
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except Exception as e:
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print(f"Failed to connect to MySQL: {e}")
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sys.exit(1)
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try:
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create_table_if_not_exists(mconn)
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# Discover sqlite files to process
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files = []
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if indexes is None:
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# collect all softlist_*.db files in BASE_DIR
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for fname in os.listdir(BASE_DIR):
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if fname.startswith('softlist_') and fname.endswith('.db'):
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files.append(os.path.join(BASE_DIR, fname))
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else:
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for idx in indexes:
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fname = f'softlist_{idx}.db'
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files.append(os.path.join(BASE_DIR, fname))
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if not files:
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print("No sqlite files to process.")
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return
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total_inserted = 0
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for f in files:
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print(f"Processing: {f}")
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inserted = import_db(f, mconn)
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total_inserted += inserted
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print(f"Done. Total rows inserted/updated: {total_inserted}")
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finally:
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mconn.close()
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if __name__ == '__main__':
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main()
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