Python按条件批量删除TXT文件行工具

import os
import re
import time
from tkinter import ttk, filedialog, messagebox, INSERT, Tk, Button, Text, Scrollbar, \
    HORIZONTAL, VERTICAL, IntVar, Checkbutton, Label, StringVar, Entry  # 有Combobox、LabelFrame 组件时需要本语句
import windnd
 
ui_pos = {
    "title": "TXT文件处理助手",
    "geometry": "450x300",  # 长乘宽
 
}
 
FilePaths = ()
 
 
def clearAll():
    ctrl_FileListBox.delete(1.0, "end")  # 清空文件路径
    str_KeyWord.set("")
    str_KeyNum.set("")
 
 
def getTxtFiles():
    global FilePaths
    files = filedialog.askopenfilenames(filetypes=[('text files', '.txt')])
    if files:
        FilePaths = files
        for f_name in files:
            ctrl_FileListBox.insert('end', f_name)
            ctrl_FileListBox.insert(INSERT, '\n')
    else:
        messagebox.showinfo(title='提示', message='没有选择任何文件！')
 
 
def KeyWordScan(keys, s):
    key_words = keys.split(" ")
    t_f = False
    for key_word in key_words:
        if key_word in s:
            t_f = True
    return t_f
 
 
def ctrl_StartBtn_clicked():
    has_key_words = int_CheckBox1.get()
    key_words = str_KeyWord.get()
 
    has_empty_line = int_CheckBox2.get()
 
    has_N = int_CheckBox3.get()
    n = str_KeyNum.get()
 
    has_zz = int_CheckBox4.get()
    zz = str_zz.get()
    try:
        for file in FilePaths:  # 循环遍历文件
            s_file = open(os.path.splitext(file)[0] + "_new" + os.path.splitext(file)[1], 'w+')  # 文件保存位置
            f_lines = open(file, encoding='utf8').readlines()  # 打开文件，读入每一行
            for s in f_lines:  # s: 每一行的内容
                # 操作1
                if has_key_words:
                    if KeyWordScan(key_words, s):
                        continue
                # 操作2
                if has_empty_line:
                    if len(s.strip()) == 0:
                        continue
                # 操作3：
                if has_N:
                    if len(s.strip()) < int(n):
                        continue
                if has_zz:
                    if re.match(zz, s.strip()):
                        continue
                s_file.write(s)
            s_file.close()  # 关闭文件
    except Exception as e:
        with open("log", "a+") as f:
            f.write(time.strftime("%Y-%m-%d, %H:%M:%S", time.localtime()) + "\n")
            f.write(repr(e) + "\n")
 
 
def draggedFiles(files):
    msg = '\n'.join((item.decode('gbk') for item in files))
    for f_name in files:
        ctrl_FileListBox.insert('end', f_name)
        ctrl_FileListBox.insert(INSERT, '\n')
    print(msg)
 
 
root = Tk()  # 设定窗体变量
root.geometry(ui_pos["geometry"])  # 格式('宽x高+x+y')其中x、y为位置
root.title(ui_pos["title"])
windnd.hook_dropfiles(root, func=draggedFiles)
 
ctrl_Frame1 = ttk.LabelFrame(root, text='选项')
ctrl_Frame1.place(x=14, y=72, width=388, height=140)
 
ctrl_StartBtn = Button(root, text='执行', font=('宋体', '9'),
                       command=ctrl_StartBtn_clicked)  # 可在括号内加上调用函数部分 ,command=ctrl_StartBtn_clicked
ctrl_StartBtn.place(x=22, y=250, width=72, height=29)
 
ctrl_QuitBtn = Button(root, text='清除', font=('宋体', '9'), command=clearAll)  # 可在括号内加上调用函数部分 ,command=ctrl_QuitBtn_clicked
ctrl_QuitBtn.place(x=108, y=250, width=72, height=29)
 
ctrl_FileListBox = Text(root, font=('宋体', '9'))
ctrl_FileListBox.place(x=14, y=7, width=260, height=38)
ctrl_Scrollbar1 = Scrollbar(root, command=ctrl_FileListBox.xview, orient=HORIZONTAL)
ctrl_Scrollbar1.place(x=14, y=46, width=261, height=16)
ctrl_Scrollbar2 = Scrollbar(root, command=ctrl_FileListBox.yview, orient=VERTICAL)
ctrl_Scrollbar2.place(x=275, y=7, width=16, height=39)
ctrl_FileListBox.config(xscrollcommand=ctrl_Scrollbar1.set, yscrollcommand=ctrl_Scrollbar2.set, wrap='none')
 
int_CheckBox1 = IntVar()  # 绑定变量
ctrl_CheckBox1 = Checkbutton(ctrl_Frame1, text='删除行含关键字或词的行', variable=int_CheckBox1, font=('宋体', '9'))
ctrl_CheckBox1.place(x=14, y=14, height=22)  # 考虑到对齐问题，不列入宽度，需要时手动加入 width=130
ctrl_CheckBox1.deselect()  # 默认为未选中状态
 
Ctrl_Label1 = Label(ctrl_Frame1, text="关键字：")
Ctrl_Label1.place(x=180, y=14, width=55, height=22)
 
str_KeyWord = StringVar()  # 绑定变量
ctrl_KeyWord = Entry(ctrl_Frame1, textvariable=str_KeyWord, font=('宋体', '9'))
ctrl_KeyWord.place(x=230, y=14, width=150, height=22)
 
int_CheckBox2 = IntVar()  # 绑定变量
ctrl_CheckBox2 = Checkbutton(ctrl_Frame1, text='删除空行', variable=int_CheckBox2, font=('宋体', '9'))
ctrl_CheckBox2.place(x=14, y=36, height=22)  # 考虑到对齐问题，不列入宽度，需要时手动加入 width=130
ctrl_CheckBox2.deselect()  # 默认为未选中状态
 
int_CheckBox3 = IntVar()  # 绑定变量
ctrl_CheckBox3 = Checkbutton(ctrl_Frame1, text='删除字符小于N的行', variable=int_CheckBox3, font=('宋体', '9'))
ctrl_CheckBox3.place(x=14, y=58, height=22)  # 考虑到对齐问题，不列入宽度，需要时手动加入 width=130
ctrl_CheckBox3.deselect()  # 默认为未选中状态
# N标签
Ctrl_Label = Label(ctrl_Frame1, text="N =")
Ctrl_Label.place(x=180, y=58, width=55, height=22)
# N
str_KeyNum = StringVar()  # 绑定变量
ctrl_KeyNum = Entry(ctrl_Frame1, textvariable=str_KeyNum, font=('宋体', '9'))
ctrl_KeyNum.place(x=230, y=58, width=30, height=22)
 
int_CheckBox4 = IntVar()  # 绑定变量
ctrl_CheckBox4 = Checkbutton(ctrl_Frame1, text='删除符合正则的行', variable=int_CheckBox4, font=('宋体', '9'))
ctrl_CheckBox4.place(x=14, y=80, height=22)  # 考虑到对齐问题，不列入宽度，需要时手动加入 width=130
ctrl_CheckBox4.deselect()  # 默认为未选中状态
 
# N标签
Ctrl_Label2 = Label(ctrl_Frame1, text="正则：")
Ctrl_Label2.place(x=180, y=80, width=55, height=22)
# N
str_zz = StringVar()  # 绑定变量
ctrl_zz = Entry(ctrl_Frame1, textvariable=str_zz, font=('宋体', '9'))
ctrl_zz.place(x=230, y=80, width=150, height=22)
 
ctrl_OpenFileBtn = Button(root, text='选择文件',
                          font=('宋体', '9'),
                          command=getTxtFiles)  # 可在括号内加上调用函数部分 ,command=ctrl_OpenFileBtn_clicked
ctrl_OpenFileBtn.place(x=305, y=18, width=72, height=29)
 
root.mainloop()