Python 获取kivymd threelineiconitem中的文本

在发布这个问题之前，我进行了搜索，没有发现类似的问题，因为在标题中，我希望在每次单击时检索mdlist的文本。我尝试了各种各样的方法，但一无所获。这是我的密码： 千伏

file.py

def data(self,widget,text,search=False):
    self.connection()
    result=self.c.execute("SELECT matricule,nom,classe FROM etudiant")
    def add_icon_item(name1,name2,name3):
        widget.data.append(
            {
                "viewclass": "CustomOneLineIconListItem",
                "icon": "account",
                "text": name1,
                "secondary_text":name2,
                "tertiary_text":name3,
                "callback": lambda x: x,
                "on_release": print(x.text)
            }
        )
    widget.data = []
    for row in result:
        if search:
            if text in row[0] or text in row[1] or text in row[2]:
                add_icon_item(row[1],row[0],row[2])
        else:
            add_icon_item(row[1],row[0],row[2])
    self.conn.close()

def data(self,widget,text,search=False):
    self.connection()
    result=self.c.execute("SELECT matricule,nom,classe FROM etudiant")
    def add_icon_item(name1,name2,name3):
        widget.data.append(
            {
                "viewclass": "CustomOneLineIconListItem",
                "icon": "account",
                "text": name1,
                "secondary_text":name2,
                "tertiary_text":name3,
                "callback": lambda x: x,
                "on_release": print(x.text)
            }
        )
    widget.data = []
    for row in result:
        if search:
            if text in row[0] or text in row[1] or text in row[2]:
                add_icon_item(row[1],row[0],row[2])
        else:
            add_icon_item(row[1],row[0],row[2])
    self.conn.close()