Wordpress convert media ids from multisite shared media, betwen sites

multisite_shared_media.py

import csv,re 

#SELECT post_id,REPLACE(REPLACE(meta_value,';}',''),'a:1:{i:1;i:','') as new_post_id FROM `wp_3_postmeta` WHERE `meta_key` = 'msm_original_file'
d2 = {}
tables = ['wp_2_posts']
with open('media.csv', mode='r') as infile:
    with open('media_result.sql',mode='w') as f:
        reader = csv.reader(infile)
        #rows0: new , rows1: old
        for row in reader:
            f.write("UPDATE wp_2_posts SET post_content = REPLACE(post_content,'wp-image-"+row[1]+"','wp-image-"+row[0]+"');\n")
            f.write("UPDATE wp_2_posts SET post_content = REGEXP_REPLACE(post_content,'(\[gallery.*ids=[\",])"+row[1]+"([,\"].*?\".*\])','\\\\1"+row[0]+"\\\\2');\n")
            f.write("UPDATE wp_2_postmeta SET meta_value = '"+row[0]+"' WHERE meta_key = '_thumbnail_id' AND meta_value = '"+row[1]+"';\n")
#$middle_content = preg_replace('/(\[gallery.*ids=[",])'.$old_attach_id.'([,"].*?".*\])/','${1}'.$attach_id.'${2}',$old_content);