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* add attach_clean & change_theme * add attach_clean & change_theme * add * add readme --------- Co-authored-by: root <root@DESKTOP-L84EQPB.localdomain>
34 lines
1.1 KiB
Python
34 lines
1.1 KiB
Python
import sqlite3
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import os, glob
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conn = sqlite3.connect("mindoc.db")
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cur = conn.cursor() #通过建立数据库游标对象，准备读写操作
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cmd = """
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SELECT
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att.http_path
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FROM
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md_attachment AS att
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WHERE (att.document_id != 0 OR (NOT EXISTS( SELECT 1 FROM md_documents WHERE markdown LIKE ("%" || att.http_path || "%"))))
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AND (att.document_id = 0 OR (NOT EXISTS( SELECT 1 FROM md_documents WHERE att.document_id = document_id )))
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"""
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cur.execute(cmd)
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file_list = cur.fetchall()
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for file_item in file_list:
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item_path = file_item[0]
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# 1. 删除os文件
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if os.path.exists(os.path.join("..", item_path[1:])):
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os.remove(os.path.join("..", item_path[1:]))
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# 2. 查询os是否删除成功，成功则删除附件记录
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if not os.path.exists(os.path.join("..", item_path[1:])):
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cmd = """
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delete
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from md_attachment
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WHERE http_path = '{}'
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""".format(item_path)
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cur.execute(cmd)
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conn.commit() #保存提交，确保数据保存成功
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conn.close() #关闭与数据库的连接 |