#!/usr/bin/env python # -*- coding: utf-8 -*- """ Created on 2018年2月4日 @author: Irony @site: https://pyqt.site , https://github.com/PyQt5 @email: 892768447@qq.com @file: TencentMovieHotPlay @description: """ import os import sys import webbrowser from PyQt5.QtCore import QSize, Qt, QUrl, QTimer, pyqtSignal from PyQt5.QtGui import QPainter, QFont, QLinearGradient, QGradient, QColor, \ QBrush, QPaintEvent, QPixmap from PyQt5.QtNetwork import QNetworkAccessManager, QNetworkRequest from PyQt5.QtSvg import QSvgWidget from PyQt5.QtWidgets import QWidget, QApplication, QVBoxLayout, QLabel, \ QHBoxLayout, QSpacerItem, QSizePolicy, QScrollArea, QGridLayout, \ QAbstractSlider from lxml.etree import HTML # @UnresolvedImport # offset=0,30,60,90 Url = "http://v.qq.com/x/list/movie?pay=-1&offset={0}" # 播放量图标 Svg_icon_play_sm = ''' '''.encode() Svg_icon_loading = ''''''.encode() # 主演 Actor = '''{title} ''' class CoverLabel(QLabel): def __init__(self, cover_path, cover_title, video_url, *args, **kwargs): super(CoverLabel, self).__init__(*args, **kwargs) self.setCursor(Qt.PointingHandCursor) self.setScaledContents(True) self.setMinimumSize(220, 308) self.setMaximumSize(220, 308) self.cover_path = cover_path self.cover_title = cover_title self.video_url = video_url self.setPixmap(QPixmap(cover_path)) def setCoverPath(self, path): self.cover_path = path def mouseReleaseEvent(self, event): super(CoverLabel, self).mouseReleaseEvent(event) webbrowser.open_new_tab(self.video_url) def paintEvent(self, event): super(CoverLabel, self).paintEvent(event) if hasattr(self, "cover_title") and self.cover_title != "": # 底部绘制文字 painter = QPainter(self) rect = self.rect() # 粗略字体高度 painter.save() fheight = self.fontMetrics().height() # 底部矩形框背景渐变颜色 bottomRectColor = QLinearGradient( rect.width() / 2, rect.height() - 24 - fheight, rect.width() / 2, rect.height()) bottomRectColor.setSpread(QGradient.PadSpread) bottomRectColor.setColorAt(0, QColor(255, 255, 255, 70)) bottomRectColor.setColorAt(1, QColor(0, 0, 0, 50)) # 画半透明渐变矩形框 painter.setPen(Qt.NoPen) painter.setBrush(QBrush(bottomRectColor)) painter.drawRect(rect.x(), rect.height() - 24 - fheight, rect.width(), 24 + fheight) painter.restore() # 距离底部一定高度画文字 font = self.font() or QFont() font.setPointSize(8) painter.setFont(font) painter.setPen(Qt.white) rect.setHeight(rect.height() - 12) # 底部减去一定高度 painter.drawText(rect, Qt.AlignHCenter | Qt.AlignBottom, self.cover_title) class ItemWidget(QWidget): def __init__(self, cover_path, figure_info, figure_title, figure_score, figure_desc, figure_count, video_url, cover_url, img_path, *args, **kwargs): super(ItemWidget, self).__init__(*args, **kwargs) self.setMaximumSize(220, 380) self.setMaximumSize(220, 380) self.img_path = img_path self.cover_url = cover_url layout = QVBoxLayout(self) layout.setContentsMargins(0, 0, 0, 0) # 图片label self.clabel = CoverLabel(cover_path, figure_info, video_url, self) layout.addWidget(self.clabel) # 片名和分数 flayout = QHBoxLayout() flayout.addWidget(QLabel(figure_title, self)) flayout.addItem(QSpacerItem( 20, 20, QSizePolicy.Expanding, QSizePolicy.Minimum)) flayout.addWidget(QLabel(figure_score, self, styleSheet="color: red;")) layout.addLayout(flayout) # 主演 layout.addWidget( QLabel(figure_desc, self, styleSheet="color: #999999;", openExternalLinks=True)) # 播放量 blayout = QHBoxLayout() count_icon = QSvgWidget(self) count_icon.setMaximumSize(16, 16) count_icon.load(Svg_icon_play_sm) blayout.addWidget(count_icon) blayout.addWidget( QLabel(figure_count, self, styleSheet="color: #999999;")) layout.addLayout(blayout) def setCover(self, path): self.clabel.setCoverPath(path) self.clabel.setPixmap(QPixmap(path)) # self.clabel.setText('

'.format(os.path.abspath(path))) def sizeHint(self): # 每个item控件的大小 return QSize(220, 380) def event(self, event): if isinstance(event, QPaintEvent): if event.rect().height() > 20 and hasattr(self, "clabel"): if self.clabel.cover_path.find("pic_v.png") > -1: # 封面未加载 # print("start download img:", self.cover_url) req = QNetworkRequest(QUrl(self.cover_url)) # 设置两个自定义属性方便后期reply中处理 req.setAttribute(QNetworkRequest.User + 1, self) req.setAttribute(QNetworkRequest.User + 2, self.img_path) self.parentWidget()._manager.get(req) # 调用父窗口中的下载器下载 return super(ItemWidget, self).event(event) class GridWidget(QWidget): Page = 0 loadStarted = pyqtSignal(bool) def __init__(self, *args, **kwargs): super(GridWidget, self).__init__(*args, **kwargs) self._layout = QGridLayout(self, spacing=20) self._layout.setContentsMargins(20, 20, 20, 20) # 异步网络下载管理器 self._manager = QNetworkAccessManager(self) self._manager.finished.connect(self.onFinished) def load(self): if self.Page == -1: return self.loadStarted.emit(True) # 延迟一秒后调用目的在于显示进度条 QTimer.singleShot(1000, self._load) def _load(self): print("load url:", Url.format(self.Page * 30)) url = QUrl(Url.format(self.Page * 30)) self._manager.get(QNetworkRequest(url)) def onFinished(self, reply): # 请求完成后会调用该函数 req = reply.request() # 获取请求 iwidget = req.attribute(QNetworkRequest.User + 1, None) path = req.attribute(QNetworkRequest.User + 2, None) html = reply.readAll().data() reply.deleteLater() del reply if iwidget and path and html: # 这里是图片下载完毕 open(path, "wb").write(html) iwidget.setCover(path) return # 解析网页 self._parseHtml(html) self.loadStarted.emit(False) def splist(self, src, length): # 等分列表 return (src[i:i + length] for i in range(len(src)) if i % length == 0) def _parseHtml(self, html): # encoding = chardet.detect(html) or {} # html = html.decode(encoding.get("encoding","utf-8")) html = HTML(html) # 查找所有的li list_item lis = html.xpath("//li[@class='list_item']") if not lis: self.Page = -1 # 后面没有页面了 return lack_count = self._layout.count() % 30 # 获取布局中上次还缺几个5行*6列的标准 row_count = int(self._layout.count() / 6) # 行数 print("lack_count:", lack_count) self.Page += 1 # 自增+1 if lack_count != 0: # 上一次没有满足一行6个,需要补齐 lack_li = lis[:lack_count] lis = lis[lack_count:] self._makeItem(lack_li, row_count) # 补齐 if lack_li and lis: row_count += 1 self._makeItem(lis, row_count) # 完成剩下的 else: self._makeItem(lis, row_count) def _makeItem(self, li_s, row_count): li_s = self.splist(li_s, 6) for row, lis in enumerate(li_s): for col, li in enumerate(lis): a = li.find("a") video_url = a.get("href") # 视频播放地址 img = a.find("img") cover_url = "http:" + img.get("r-lazyload") # 封面图片 figure_title = img.get("alt") # 电影名 figure_info = a.find("div/span") figure_info = "" if figure_info is None else figure_info.text # 影片信息 figure_score = "".join(li.xpath(".//em/text()")) # 评分 # 主演 figure_desc = "主演：" + \ "".join([Actor.format(**dict(fd.items())) for fd in li.xpath(".//div[@class='figure_desc']/a")]) # 播放数 figure_count = ( li.xpath(".//div[@class='figure_count']/span/text()") or [""])[0] path = "cache/{0}.jpg".format( os.path.splitext(os.path.basename(video_url))[0]) cover_path = "Data/pic_v.png" if os.path.isfile(path): cover_path = path iwidget = ItemWidget(cover_path, figure_info, figure_title, figure_score, figure_desc, figure_count, video_url, cover_url, path, self) self._layout.addWidget(iwidget, row_count + row, col) class Window(QScrollArea): def __init__(self, *args, **kwargs): super(Window, self).__init__(*args, **kwargs) self.resize(800, 600) self.setFrameShape(self.NoFrame) self.setWidgetResizable(True) self.setAlignment(Qt.AlignCenter) self._loadStart = False # 网格窗口 self._widget = GridWidget(self) self._widget.loadStarted.connect(self.setLoadStarted) self.setWidget(self._widget) # 连接竖着的滚动条滚动事件 self.verticalScrollBar().actionTriggered.connect(self.onActionTriggered) # 进度条 self.loadWidget = QSvgWidget( self, minimumHeight=120, minimumWidth=120, visible=False) self.loadWidget.load(Svg_icon_loading) def setLoadStarted(self, started): self._loadStart = started self.loadWidget.setVisible(started) def onActionTriggered(self, action): # 这里要判断action=QAbstractSlider.SliderMove，可以避免窗口大小改变的问题 # 同时防止多次加载同一个url if action != QAbstractSlider.SliderMove or self._loadStart: return # 使用sliderPosition获取值可以同时满足鼠标滑动和拖动判断 if self.verticalScrollBar().sliderPosition() == self.verticalScrollBar().maximum(): # 可以下一页了 self._widget.load() def resizeEvent(self, event): super(Window, self).resizeEvent(event) self.loadWidget.setGeometry( int((self.width() - self.loadWidget.minimumWidth()) / 2), int((self.height() - self.loadWidget.minimumHeight()) / 2), self.loadWidget.minimumWidth(), self.loadWidget.minimumHeight() ) if __name__ == "__main__": os.makedirs("cache", exist_ok=True) app = QApplication(sys.argv) w = Window() w.show() w._widget.load() sys.exit(app.exec_())