三个通用的脚本，处理MySQL WorkBench导出表的JSON数据进SQLITE3

一个通用的脚本，处理MySQL WorkBench导出表的JSON数据进SQLITE3，创建的是FTS4的虚拟表

# -*- coding:utf-8 -*-
import json
import sqlite3
import os,  sys

def join_key_by_dict(dict_info):
    result = ""
    for item in dict_info.keys():
        result += item + ','
    result = result.rstrip(',')
    return result

def join_value_by_dict(dict_info):
    result = ""
    for item in dict_info.keys():
        if isinstance(dict_info[item], str):
            result += "'" + dict_info[item].replace("'",  "''") + "',"
        else:
            result += str(dict_info[item]) + ","
        # result += dict_info[item] + ','
    result = result.rstrip(',')
    return result

def create_tbl_by_json(json_file,  tbl_name,  db_conn):
    # 打开文件，
    json_handle = open(json_file,  "r")
    # 读取第一行，转换成json数据
    line = json_handle.readline()
    json_handle.close()

    # 清除左边的[，右边的,
    line = line.lstrip('[').rstrip('
 ,')

    json_line = json.loads(line)
    # 获取到所有key，构建表的创建命令
    create_tbl_str = "create virtual table %s USING fts4( %s );" % (tbl_name,  join_key_by_dict(json_line))

    # 打开光标
    cur = db_conn.cursor()
    cur.execute(create_tbl_str)
    db_conn.commit()
    cur.close()
    print('create %s table success[%s]' % (tbl_name,  json_file) )

def insert_record_by_json(json_file, tbl_name,  db_conn):
    # 打开文件，
    json_handle = open(json_file,  "r")
    # 读取第一行，转换成json数据
    cur = db_conn.cursor()
    count = 0
    for line in json_handle:
        json_line = json.loads(line.lstrip('[').rstrip('
 ,]'))
        # 获取到所有key，构建表的创建命令
        key_str = join_key_by_dict(json_line)
        val_str = join_value_by_dict(json_line)
        # 组装命令并执行
        insert_record_str = "INSERT INTO %s (%s) VALUES(%s);" % (tbl_name,  key_str, val_str)
        cur.execute(insert_record_str)
        count += 1
    db_conn.commit()
    cur.close()
    json_handle.close()
    print('insert record finish, count: %s' % count )

def convert_json_to_db(json_file,  db_file):
    # 检查json_file是否存在
    if not os.path.exists(json_file):
        print('file not exist: %s' % json_file)
        return

    # 打开数据库连接
    db_conn = sqlite3.connect(db_file)

    tbl_name,  _ = os.path.splitext(os.path.basename(json_file))
    # 开始创建表
    create_tbl_by_json(json_file,  tbl_name,  db_conn)

    # 开始插入记录
    insert_record_by_json(json_file,  tbl_name,  db_conn)

    # 关闭数据库
    db_conn.close()
    print('Operation done successfully')

if __name__ == '__main__':
    if len(sys.argv) != 3:
        print('Usage: python %s json_file db_file' % os.path.basename(__file__))
        exit(1)
    json_file = sys.argv[1]
    db_file = sys.argv[2]
    convert_json_to_db(json_file,  db_file)

一个通用的脚本，处理MySQL WorkBench导出表的JSON数据进SQLITE3，创建的是通用表

# -*- coding:utf-8 -*-
import json
import sqlite3
import os,  sys

def join_key_by_dict(dict_info):
    result = ""
    for item in dict_info.keys():
        result += item + ','
    result = result.rstrip(',')
    return result

def join_value_by_dict(dict_info):
    result = ""
    for item in dict_info.keys():
        if isinstance(dict_info[item], str):
            result += "'" + dict_info[item].replace("'",  "''") + "',"
        else:
            result += str(dict_info[item]) + ","
        # result += dict_info[item] + ','
    result = result.rstrip(',')
    return result

def join_keyvalue_by_dict(dict_info):
    result = ""
    for item in dict_info.keys():
        if isinstance(dict_info[item], int):
            result += str(item) + " INTEGER,"
        else:
            result += str(item) + " TEXT,"
        # result += dict_info[item] + ','
    result = result.rstrip(',')
    return result

def create_tbl_by_json(json_file,  tbl_name,  db_conn):
    # 打开文件，
    json_handle = open(json_file,  "r")
    # 读取第一行，转换成json数据
    line = json_handle.readline()
    json_handle.close()

    # 清除左边的[，右边的,
    line = line.lstrip('[').rstrip('
 ,')

    json_line = json.loads(line)
    # 获取到所有key，构建表的创建命令
    create_tbl_str = "create table %s (%s);" % (tbl_name,  join_keyvalue_by_dict(json_line))

    # 打开光标
    cur = db_conn.cursor()
    cur.execute(create_tbl_str)
    db_conn.commit()
    cur.close()
    print('create %s table success[%s]' % (tbl_name,  json_file) )

def insert_record_by_json(json_file, tbl_name,  db_conn):
    # 打开文件，
    json_handle = open(json_file,  "r")
    # 读取第一行，转换成json数据
    cur = db_conn.cursor()
    count = 0
    for line in json_handle:
        json_line = json.loads(line.lstrip('[').rstrip('
 ,]'))
        # 获取到所有key，构建表的创建命令
        key_str = join_key_by_dict(json_line)
        val_str = join_value_by_dict(json_line)
        # 组装命令并执行
        insert_record_str = "INSERT INTO %s (%s) VALUES(%s);" % (tbl_name,  key_str, val_str)
        cur.execute(insert_record_str)
        count += 1
    db_conn.commit()
    cur.close()
    json_handle.close()
    print('insert record finish, count: %s' % count )

def convert_json_to_db(json_file,  db_file):
    # 检查json_file是否存在
    if not os.path.exists(json_file):
        print('file not exist: %s' % json_file)
        return

    # 打开数据库连接
    db_conn = sqlite3.connect(db_file)

    tbl_name,  _ = os.path.splitext(os.path.basename(json_file))
    # 开始创建表
    create_tbl_by_json(json_file,  tbl_name,  db_conn)

    # 开始插入记录
    insert_record_by_json(json_file,  tbl_name,  db_conn)

    # 关闭数据库
    db_conn.close()
    print('Operation done successfully')

if __name__ == '__main__':
    if len(sys.argv) != 3:
        print('Usage: python %s json_file db_file' % os.path.basename(__file__))
        exit(1)
    json_file = sys.argv[1]
    db_file = sys.argv[2]
    convert_json_to_db(json_file,  db_file)

　　

一个通用的脚本，处理MySQL WorkBench导出表的JSON数据进SQLITE3，输出的是可以执行的SQL语句

# -*- coding:utf-8 -*-
import json
import os,  sys

def join_key_by_dict(dict_info):
    result = ""
    for item in dict_info.keys():
        result += item + ','
    result = result.rstrip(',')
    return result

def join_value_by_dict(dict_info):
    result = ""
    for item in dict_info.keys():
        if isinstance(dict_info[item], str):
            result += "'" + dict_info[item].replace("'",  "''") + "',"
        else:
            result += str(dict_info[item]) + ","
        # result += dict_info[item] + ','
    result = result.rstrip(',')
    return result

def create_tbl_by_json(json_file,  tbl_name,  sql_file):
    # 打开文件，
    json_handle = open(json_file,  "r")
    # 读取第一行，转换成json数据
    line = json_handle.readline()
    json_handle.close()

    # 清除左边的[，右边的,
    line = line.lstrip('[').rstrip('
 ,')

    json_line = json.loads(line)
    # 获取到所有key，构建表的创建命令
    create_tbl_str = 'create virtual table %s USING fts4( %s );
' % (tbl_name,  join_key_by_dict(json_line))
    sql_file.write(create_tbl_str)

    # 打开光标
    #print('create %s table success[%s]' % (tbl_name,  json_file) )

def insert_record_by_json(json_file, tbl_name,  sql_file):
    # 打开文件，
    json_handle = open(json_file,  "r")
    # 读取第一行，转换成json数据
    count = 0
    for line in json_handle:
        json_line = json.loads(line.lstrip('[').rstrip('
 ,]'))
        # 获取到所有key，构建表的创建命令
        key_str = join_key_by_dict(json_line)
        val_str = join_value_by_dict(json_line)
        # 组装命令并执行
        insert_record_str = "INSERT INTO %s (%s) VALUES(%s);
" % (tbl_name,  key_str, val_str)
        sql_file.write(insert_record_str)
        count += 1
    json_handle.close()
    #print('insert record finish, count: %s' % count )

def convert_json_to_sql(json_file,  sql_file):
    # 检查json_file是否存在
    if not os.path.exists(json_file):
        print('file not exist: %s' % json_file)
        return

    # 检查sql_file是否存在
    if os.path.exists(sql_file):
        print('file is exist: %s, will overwrite it.' % sql_file)

    # 打开文件
    sql_handle = open(sql_file, "w")

    tbl_name,  _ = os.path.splitext(os.path.basename(json_file))
    # 开始创建表
    create_tbl_by_json(json_file,  tbl_name,  sql_handle)

    # 开始插入记录
    insert_record_by_json(json_file,  tbl_name,  sql_handle)

    # 关闭文件
    sql_handle.close()
    print('Operation done successfully')

if __name__ == '__main__':
    if len(sys.argv) != 3:
        print('Usage: python %s json_file db_file' % os.path.basename(__file__))
        exit(1)
    json_file = sys.argv[1]
    sql_file = sys.argv[2]
    convert_json_to_sql(json_file,  sql_file)