使用Python多進程下載抖音短視頻

废话少说，直接上货
抖音官網：https://www.douyin.com/
640_result
複製視頻鏈接地址
到文本框，然後點擊按鈕，按鈕上邊會提示下載成功還是下載失敗。
640 (1)
此時視頻文件就被下載成功。
640 (2)
完整代碼：

import wx
import re
import requests
from multiprocessing import Pool

req=requests.session()

def download_video(url, save_path):
    response = requests.get(url, stream=True)
    if response.status_code == 200:
        with open(save_path, 'wb') as file:
            for chunk in response.iter_content(1024):
                file.write(chunk)
        t='下載成功'
    else:
        t='下載失敗'
    return t

def get_mid_string(html, start_str, end):
    try:
        start = html.find(start_str)
        if start >= 0:
            start += len(start_str)
            end = html.find(end, start)
            if end >= 0:
                return html[start:end].strip()
    except:
        return None

def remove_special_characters(text):
    pattern = r'[\\/:*?"<>|]'
    cleaned_text = re.sub(pattern, '', text)
    return cleaned_text

def keep_characters_before_hash(text):
    parts = text.split('#', 1)
    return parts[0]

def download_with_multiprocessing(url):
    a=req.get('https://api.douyin.wtf/api?url={}'.format(url))
    title = get_mid_string(a.text, '"desc":"', '"')
    title1 = remove_special_characters(title)
    title2 = keep_characters_before_hash(title1)
    video_url = get_mid_string(a.text, 'nwm_video_url":"', '"')
    save_path = f'./{title2}.mp4'
    return download_video(video_url, save_path)

class Frame(wx.Frame):
    def __init__(self):
        wx.Frame.__init__(self, None, title='抖音下載', size=(400, 300), name='frame', style=541072960)
        self.啟動窗口 = wx.Panel(self)
        self.Centre()
        self.編輯框1 =  wx.TextCtrl(self.啟動窗口, size=(269, 221), pos=(7, 7), value='', name='text', style=1073741856)
        self.標籤1 = wx.StaticText(self.啟動窗口, size=(80, 107), pos=(292, 16), label='默認保存與\n程序相同文\n件夾', name='staticText', style=2321)
        self.標籤1.SetForegroundColour((255, 0, 0, 255))
        self.按鈕1 = wx.Button(self.啟動窗口, size=(80, 32), pos=(287, 215), label='按鈕', name='button')
        self.按鈕1.Bind(wx.EVT_BUTTON, self.按鈕1_按鈕被單擊)
        self.編輯框2 = wx.TextCtrl(self.啟動窗口, size=(98, 22), pos=(282, 134), value='', name='text', style=16)

    def 按鈕1_按鈕被單擊(self, event):
        c=self.編輯框1.GetValue()
        pattern = r'[a-zA-Z]+://[^"\'\s]*'
        urls = re.findall(pattern,c)
        with Pool(len(urls)) as pool:
            results = pool.map(download_with_multiprocessing, urls)

        s = '\n'.join(results)
        self.編輯框2.SetValue(s)

class myApp(wx.App):
    def OnInit(self):
        self.frame = Frame()
        self.frame.Show(True)
        return True

if __name__ == '__main__':
    app = myApp()
    app.MainLoo