免费音乐搜索和下载工具

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import sys from PyQt6.QtWidgets import QApplication, QMessageBox, QWidget, QVBoxLayout, QHBoxLayout, QLineEdit, QPushButton, QTableWidget, QTableWidgetItem, QHeaderView, QAbstractItemView, QLabel from PyQt6.QtCore import QThread, pyqtSignal, Qt from PyQt6.QtGui import QKeySequence, QShortcut, QIcon from urllib.parse import quote from requests import Session from bs4 import BeautifulSoup as BS from html import unescape from functools import partial from json import loads, dumps from base64 import b64decode import os ICON_BASE64 = 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SESSION = Session() HEADERS = { 'Referer': 'http://www.22a5.com/', 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36', } class DownloadWorker(QThread): finished = pyqtSignal(str) error = pyqtSignal(str) def __init__(self, id): super().__init__() self.id = id def run(self): try: r = SESSION.post('http://www.22a5.com/js/play.php', headers=HEADERS, data={ 'id': self.id, 'type': 'music', }, timeout=30).json() title = r.get('title') url = r.get('url') filename = title.split('[Mp3')[0] + '.mp3' if os.path.exists(filename): self.finished.emit(dumps({'status': True, 'filename': filename, 'id': self.id, 'msg': '下载成功'})) return response = SESSION.get(url, headers={ 'Range': 'bytes=0-', 'User-Agent': HEADERS.get('User-Agent'), }, timeout=60, stream=True) with open(filename, 'wb') as f: # 非流式下载 # f.write(response.content) for chunk in response.iter_content(chunk_size=8192): f.write(chunk) self.finished.emit(dumps({'status': True, 'filename': filename, 'id': self.id, 'msg': '下载成功'})) except Exception as e: self.error.emit(dumps({'status': False, 'id': self.id, 'msg': f'下载出错: {str(e)}'})) class MusicSearchApp(QWidget): def __init__(self): super().__init__() self.setWindowTitle('聚合音乐搜索1.0, by tony') self.setGeometry(100, 100, 600, 400) self.set_icon() self.worker = None self.search_list = [] self.wait_list = [] self.done_list = [] self.layout = QVBoxLayout() self.input_layout = QHBoxLayout() # Create a horizontal layout self.input_box = QLineEdit(self) self.input_box.setPlaceholderText('输入歌名、歌手或专辑搜索') self.input_layout.addWidget(self.input_box) # Add input box to horizontal layout self.enter_shortcut = QShortcut(QKeySequence(Qt.Key.Key_Return), self.input_box) # 信号和槽函数关联 self.enter_shortcut.activated.connect(self.search_music) self.search_button = QPushButton('搜索', self) self.search_button.clicked.connect(self.search_music) self.input_layout.addWidget(self.search_button) # Add button to horizontal layout self.layout.addLayout(self.input_layout) # Add horizontal layout to main vertical layout self.results_table = QTableWidget(self) self.results_table.setColumnCount(3) self.results_table.setHorizontalHeaderLabels(['歌曲名', '歌手', '操作']) self.results_table.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeMode.Stretch) self.layout.addWidget(self.results_table) self.results_table.setEditTriggers(QAbstractItemView.EditTrigger.NoEditTriggers) self.page_label = QLabel("1", self) self.pagination_layout = QHBoxLayout() self.prev_button = QPushButton("上一页", self) self.prev_button.clicked.connect(partial(self.update_results_table, 'prev')) self.pagination_layout.addWidget(self.prev_button) self.pagination_layout.addWidget(self.page_label, alignment=Qt.AlignmentFlag.AlignCenter) self.next_button = QPushButton("下一页", self) self.next_button.clicked.connect(partial(self.update_results_table, 'next')) self.pagination_layout.addWidget(self.next_button) self.layout.addLayout(self.pagination_layout) self.setLayout(self.layout) def set_icon(self): icon_name = '.music.ico' if not os.path.exists(icon_name): icon = open(icon_name, 'wb') icon.write(b64decode(ICON_BASE64)) icon.close() self.setWindowIcon(QIcon(icon_name)) def search_music(self): keyword = self.input_box.text().strip() if not keyword: return keyword = quote(keyword) self.search_list = None try: while self.search_list is None: r = SESSION.get(f'http://www.22a5.com/so/{keyword}.html', headers=HEADERS, timeout=30) soup = BS(r.text, 'html.parser') self.search_list = soup.find('div', class_='play_list') self.search_list = self.search_list.find('ul').find_all('li') self.update_results_table('init') except Exception as e: QMessageBox.critical(self, '错误', '搜索失败:重试一下') print(e) def update_results_table(self, direction='next'): page = int(self.page_label.text()) if direction == 'next': page += 1 elif direction == 'prev' : page -= 1 else: page = 1 if len(self.search_list) == 0: self.page_label.setText('1') self.results_table.setRowCount(0) if page < 1 or page > 7: return size = 10 offset = (page-1) * size if len(self.search_list[offset:offset+size]) == 0: return self.page_label.setText(str(page)) self.results_table.setRowCount(len(self.search_list[offset:offset+size])) for i, item in enumerate(self.search_list[offset:offset+size]): _title = unescape(item.find('a',).text).strip().split('《') _href = item.find('a',).get('href') self.results_table.setItem(i, 0, QTableWidgetItem(_title[1].strip('》'))) self.results_table.setItem(i, 1, QTableWidgetItem(_title[0])) button = QPushButton('下载') button.clicked.connect(partial(self.start_download, _href[5:-5])) self.results_table.setCellWidget(i, 2, button) def start_download(self, id): if id in self.done_list: QMessageBox.warning(self, '提示', '该歌曲已经下载过啦') return if id in self.wait_list: QMessageBox.warning(self, '提示', '该歌曲已经在下载队列中啦') return # 尝试在这里限制并发数量 if self.worker is None: # 可以加上正在下载标识 self.worker = DownloadWorker(id) self.worker.finished.connect(self.download_callback) self.worker.error.connect(self.download_callback) self.worker.start() else: # 可以加上等待下载标识 self.wait_list.append(id) # 下载回调, 如果等待列表还有任务, 则继续下载 def download_callback(self, data): data = loads(data) if data['status']: QMessageBox.information(self, '成功', f'已下载: {data["filename"]}') self.done_list.append(data['id']) else: QMessageBox.critical(self, '错误', f'{data["msg"]}, 将自动重试') self.wait_list.insert(0, data['id']) self.worker.quit() self.worker = None if self.wait_list: id = self.wait_list.pop(0) self.start_download(id) if __name__ == '__main__': # '打包: pyinstaller -F -w -i .music.ico .\music_downloader.py' app = QApplication(sys.argv) window = MusicSearchApp() window.show() sys.exit(app.exec())