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Biquge_downloader.py
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import os
import sys
import ctypes
import requests
from time import sleep
from lxml import etree
from threading import Lock
from fake_useragent import UserAgent
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtCore import QThread,pyqtSignal
from concurrent.futures import ThreadPoolExecutor
from PyQt5.QtWidgets import QMainWindow,QApplication,QMessageBox
# 发送搜索请求的线程
class SearchThread(QThread):
signal = pyqtSignal(int,list)
def __init__(self,searchtype,searchkey) -> None:
super(SearchThread,self).__init__()
self.searchtype = searchtype
self.searchkey = searchkey
self.status_code = None
self.ResultList = []
def run(self):
Titles = []
Writers = []
Links = []
data = {
"searchkey": self.searchkey.encode("gbk"),
"searchtype": self.searchtype,
"page" : 1
}
try:
r = requests.post("https://www.biqooge.com/modules/article/search.php",headers={"User-Agent":UserAgent(path="./resource/fake_useragent_0.1.11.json").random},data=data)
r.raise_for_status()
r.encoding = "gbk"
if r.url != "https://www.biqooge.com/modules/article/search.php":
Link = r.url
r = etree.HTML(r.text)
num = 1
Title = r.xpath('//h1/text()')[0]
Writer = r.xpath('//div[@id="info"]/p[1]/text()')[0].replace("作 者：","")
self.ResultList.append((str(num),Title,Writer,Link))
self.status_code = 1
else:
r = etree.HTML(r.text)
lastpage = r.xpath('//a[@class="last"]/text()')
if len(r.xpath('//table/tr[@id="nr"]')) == 0:
self.status_code = 0
else:
self.status_code = 1
lastpage = int(lastpage[0])
title = r.xpath('//table/tr[@id="nr"]/td[1]/a/text()')
writer = r.xpath('//table/tr[@id="nr"]/td[3]/text()')
link = r.xpath('//table//tr[@id="nr"]/td[1]/a/@href')
Titles.extend(title)
Writers.extend(writer)
Links.extend(link)
for page in range(2,lastpage+1):
data = {
"searchkey": self.searchkey.encode("gbk"),
"searchtype": self.searchtype,
"page" : page
}
r = requests.post("https://www.biqooge.com/modules/article/search.php",headers={"User-Agent":UserAgent(path="./resource/fake_useragent_0.1.11.json").random},data=data)
r.raise_for_status()
r.encoding = "gbk"
r = etree.HTML(r.text)
title = r.xpath('//table/tr[@id="nr"]/td[1]/a/text()')
writer = r.xpath('//table/tr[@id="nr"]/td[3]/text()')
link = r.xpath('//table//tr[@id="nr"]/td[1]/a/@href')
Titles.extend(title)
Writers.extend(writer)
Links.extend(link)
num = 1
for Title,Writer,Link in zip(Titles,Writers,Links):
self.ResultList.append((str(num),Title,Writer,Link))
num += 1
except requests.exceptions.HTTPError:
self.status_code = -1
self.signal.emit(self.status_code,self.ResultList)
# 下载小说的线程，用此线程管理多线程下载时的线程池UI不卡死。
class DownloadThread(QThread):
fin_signal = QtCore.pyqtSignal(bool)
content_signal = QtCore.pyqtSignal(str)
total_signal = QtCore.pyqtSignal(int)
def __init__(self,novelname,novellink,ThreadNum:int,saveplace):
super(DownloadThread,self).__init__()
self.novelname = novelname
self.novellink = novellink
self.AllSectionLink = []
self.AllSection = {}
self.result = False
self.lock1 = Lock()
self.lock2 = Lock()
self.ThreadNum = ThreadNum
self.saveplace = saveplace
def __GetHtml(self,url):
while True:
try:
r = requests.get(url,headers={"User-Agent":UserAgent(path="./resource/fake_useragent_0.1.11.json").random})
if r.status_code == 200:
break
except:
sleep(2)
continue
r.raise_for_status()
r.encoding = r.apparent_encoding
return r.text
def run(self):
def DownLoad(Section:tuple):
Secnum = Section[0]
Securl = Section[1]
r = etree.HTML(self.__GetHtml(Securl))
title = r.xpath('//div[@class="bookname"]/h1/text()')[0]
contents = r.xpath('//div[@id="content"]/text()')
for content in contents:
contents[contents.index(content)] = " " + content.replace("\n","").replace(" ","").strip()
content = title + "\n" + "\n".join(contents)
self.lock1.acquire()
self.AllSection[Secnum] = content
self.lock1.release()
self.content_signal.emit(content)
try:
r = etree.HTML(self.__GetHtml(self.novellink))
AllSectionLink = r.xpath('//div[@id="list"]/dl/dt[2]/following::dd/a/@href')
for link in AllSectionLink:
self.AllSectionLink.append((AllSectionLink.index(link)+1,"https://www.biqooge.com" + link))
# 总章节数通过信号发送给UI主线程用以设置进度条
self.total_signal.emit(len(self.AllSectionLink))
pool = ThreadPoolExecutor(self.ThreadNum)
while len(self.AllSectionLink) != 0:
self.lock2.acquire()
Section = self.AllSectionLink.pop(0)
self.lock2.release()
pool.submit(DownLoad,Section)
pool.shutdown()
# 章节排序
self.AllSection = sorted(self.AllSection.items(),key=lambda item:item[0])
with open(self.saveplace + self.novelname + ".txt","w",encoding="utf-8") as f:
for i in self.AllSection:
f.write(i[1])
f.write("\n")
f.close()
self.result = True
except:
pass
self.fin_signal.emit(self.result)
# 主窗口
class Ui_MainWindow(object):
def __init__(self):
self.AllSection = {}
self.AllSectionLink = []
self.SearchThread = None
self.DownloadThread = None
self.novelurl = None
self.novelname = None
if os.path.exists("Book") == False:
os.makedirs("Book")
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(1020, 835)
MainWindow.setFixedSize(1020, 835)
ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID("myappid")
MainWindow.setWindowIcon(QtGui.QIcon("./resource/Bookshelf.ico"))
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.layoutWidget = QtWidgets.QWidget(self.centralwidget)
self.layoutWidget.setGeometry(QtCore.QRect(70, 350, 161, 41))
self.layoutWidget.setObjectName("layoutWidget")
self.horizontalLayout_2 = QtWidgets.QHBoxLayout(self.layoutWidget)
self.horizontalLayout_2.setContentsMargins(0, 0, 0, 0)
self.horizontalLayout_2.setObjectName("horizontalLayout_2")
self.label_2 = QtWidgets.QLabel(self.layoutWidget)
self.label_2.setObjectName("label_2")
self.horizontalLayout_2.addWidget(self.label_2)
self.DownloadNumEntry = QtWidgets.QLineEdit(self.layoutWidget)
self.DownloadNumEntry.setObjectName("DownloadNumEntry")
self.horizontalLayout_2.addWidget(self.DownloadNumEntry)
self.Resulttable = QtWidgets.QTableWidget(self.centralwidget)
self.Resulttable.setGeometry(QtCore.QRect(70, 80, 881, 261))
self.Resulttable.setObjectName("Resulttable")
self.Resulttable.setColumnCount(4)
self.Resulttable.setRowCount(0)
self.Resulttable.verticalHeader().setVisible(False)
item = QtWidgets.QTableWidgetItem()
self.Resulttable.setHorizontalHeaderItem(0, item)
item = QtWidgets.QTableWidgetItem()
self.Resulttable.setHorizontalHeaderItem(1, item)
item = QtWidgets.QTableWidgetItem()
self.Resulttable.setHorizontalHeaderItem(2, item)
item = QtWidgets.QTableWidgetItem()
self.Resulttable.setHorizontalHeaderItem(3, item)
self.Resulttable.horizontalHeader().setStretchLastSection(True)
self.Resulttable.verticalHeader().setCascadingSectionResizes(False)
self.Resulttable.verticalHeader().setStretchLastSection(False)
self.StartSearchButton = QtWidgets.QPushButton(self.centralwidget)
self.StartSearchButton.setGeometry(QtCore.QRect(820, 30, 131, 34))
self.StartSearchButton.setObjectName("StartSearchButton")
self.StartSearchButton.clicked.connect(self.Search)
self.Infotext = QtWidgets.QTextEdit(self.centralwidget)
self.Infotext.setGeometry(QtCore.QRect(70, 430, 881, 371))
self.Infotext.setObjectName("Infotext")
self.Infotext.setReadOnly(True)
self.DownloadButton = QtWidgets.QPushButton(self.centralwidget)
self.DownloadButton.setGeometry(QtCore.QRect(770, 393, 181, 31))
self.DownloadButton.setObjectName("DownloadButton")
self.DownloadButton.clicked.connect(self.Download)
self.layoutWidget1 = QtWidgets.QWidget(self.centralwidget)
self.layoutWidget1.setGeometry(QtCore.QRect(70, 30, 251, 31))
self.layoutWidget1.setObjectName("layoutWidget1")
self.horizontalLayout = QtWidgets.QHBoxLayout(self.layoutWidget1)
self.horizontalLayout.setContentsMargins(0, 0, 0, 0)
self.horizontalLayout.setObjectName("horizontalLayout")
self.label = QtWidgets.QLabel(self.layoutWidget1)
self.label.setObjectName("label")
self.horizontalLayout.addWidget(self.label)
self.SearchKeyEntry = QtWidgets.QLineEdit(self.layoutWidget1)
self.SearchKeyEntry.setObjectName("SearchKeyEntry")
self.horizontalLayout.addWidget(self.SearchKeyEntry)
self.layoutWidget2 = QtWidgets.QWidget(self.centralwidget)
self.layoutWidget2.setGeometry(QtCore.QRect(400, 30, 341, 31))
self.layoutWidget2.setObjectName("layoutWidget2")
self.horizontalLayout_3 = QtWidgets.QHBoxLayout(self.layoutWidget2)
self.horizontalLayout_3.setContentsMargins(0, 0, 0, 0)
self.horizontalLayout_3.setObjectName("horizontalLayout_3")
self.NovelnameradioButton = QtWidgets.QRadioButton(self.layoutWidget2)
self.NovelnameradioButton.setObjectName("NovelnameradioButton")
self.horizontalLayout_3.addWidget(self.NovelnameradioButton)
self.WriterradioButton = QtWidgets.QRadioButton(self.layoutWidget2)
self.WriterradioButton.setObjectName("WriterradioButton")
self.horizontalLayout_3.addWidget(self.WriterradioButton)
self.label_5 = QtWidgets.QLabel(self.centralwidget)
self.label_5.setGeometry(QtCore.QRect(70, 400, 81, 18))
self.label_5.setObjectName("label_5")
self.layoutWidget_2 = QtWidgets.QWidget(self.centralwidget)
self.layoutWidget_2.setGeometry(QtCore.QRect(70, 380, 631, 51))
self.layoutWidget_2.setObjectName("layoutWidget_2")
self.horizontalLayout_6 = QtWidgets.QHBoxLayout(self.layoutWidget_2)
self.horizontalLayout_6.setContentsMargins(0, 0, 0, 0)
self.horizontalLayout_6.setObjectName("horizontalLayout_6")
self.label_6 = QtWidgets.QLabel(self.layoutWidget_2)
self.label_6.setObjectName("label_6")
self.horizontalLayout_6.addWidget(self.label_6)
self.SavePlaceEntry = QtWidgets.QLineEdit(self.layoutWidget_2)
self.SavePlaceEntry.setObjectName("SavePlaceEntry")
self.SavePlaceEntry.setPlaceholderText("若无指定则默认保存在当前目录Book文件夹下")
self.horizontalLayout_6.addWidget(self.SavePlaceEntry)
self.widget = QtWidgets.QWidget(self.centralwidget)
self.widget.setGeometry(QtCore.QRect(620, 350, 341, 41))
self.widget.setObjectName("widget")
self.horizontalLayout_4 = QtWidgets.QHBoxLayout(self.widget)
self.horizontalLayout_4.setContentsMargins(0, 0, 0, 0)
self.horizontalLayout_4.setObjectName("horizontalLayout_4")
self.label_3 = QtWidgets.QLabel(self.widget)
self.label_3.setObjectName("label_3")
self.horizontalLayout_4.addWidget(self.label_3)
self.progressBar = QtWidgets.QProgressBar(self.widget)
self.progressBar.setProperty("value", 0)
self.progressBar.setObjectName("progressBar")
self.horizontalLayout_4.addWidget(self.progressBar)
self.splitter = QtWidgets.QSplitter(self.centralwidget)
self.splitter.setGeometry(QtCore.QRect(270, 350, 321, 41))
self.splitter.setOrientation(QtCore.Qt.Horizontal)
self.splitter.setObjectName("splitter")
self.ThreadCheckBox = QtWidgets.QCheckBox(self.splitter)
self.ThreadCheckBox.setObjectName("ThreadCheckBox")
self.ThreadCheckBox.toggled.connect(self.ThreadCheckBox_is_clild)
self.widget1 = QtWidgets.QWidget(self.splitter)
self.widget1.setObjectName("widget1")
self.horizontalLayout_5 = QtWidgets.QHBoxLayout(self.widget1)
self.horizontalLayout_5.setContentsMargins(0, 0, 0, 0)
self.horizontalLayout_5.setObjectName("horizontalLayout_5")
self.label_4 = QtWidgets.QLabel(self.widget1)
self.label_4.setObjectName("label_4")
self.horizontalLayout_5.addWidget(self.label_4)
self.ThreadNumEntry = QtWidgets.QLineEdit(self.widget1)
self.ThreadNumEntry.setObjectName("lineEdit")
self.ThreadNumEntry.setEnabled(False)
self.horizontalLayout_5.addWidget(self.ThreadNumEntry)
MainWindow.setCentralWidget(self.centralwidget)
self.menubar = QtWidgets.QMenuBar(MainWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0, 1018, 30))
self.menubar.setObjectName("menubar")
MainWindow.setMenuBar(self.menubar)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
MainWindow.setTabOrder(self.SearchKeyEntry, self.NovelnameradioButton)
MainWindow.setTabOrder(self.NovelnameradioButton, self.WriterradioButton)
MainWindow.setTabOrder(self.WriterradioButton, self.StartSearchButton)
MainWindow.setTabOrder(self.StartSearchButton, self.DownloadNumEntry)
MainWindow.setTabOrder(self.DownloadNumEntry, self.DownloadButton)
MainWindow.setTabOrder(self.DownloadButton, self.Resulttable)
MainWindow.setTabOrder(self.Resulttable, self.Infotext)
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "笔趣阁小说下载器 3.0"))
self.label_2.setText(_translate("MainWindow", "下载序号"))
item = self.Resulttable.horizontalHeaderItem(0)
item.setText(_translate("MainWindow", "序号"))
item = self.Resulttable.horizontalHeaderItem(1)
item.setText(_translate("MainWindow", "小说名"))
item = self.Resulttable.horizontalHeaderItem(2)
item.setText(_translate("MainWindow", "作者"))
item = self.Resulttable.horizontalHeaderItem(3)
item.setText(_translate("MainWindow", "链接"))
self.StartSearchButton.setText(_translate("MainWindow", "搜 索"))
self.DownloadButton.setText(_translate("MainWindow", "开 始 下 载"))
self.label.setText(_translate("MainWindow", "搜索关键词"))
self.NovelnameradioButton.setText(_translate("MainWindow", "按小说名搜索"))
self.WriterradioButton.setText(_translate("MainWindow", "按作者名搜索"))
self.label_6.setText(_translate("MainWindow", "保存地址"))
self.label_3.setText(_translate("MainWindow", "下载进度"))
self.ThreadCheckBox.setText(_translate("MainWindow", "多线程下载"))
self.label_4.setText(_translate("MainWindow", "线程数"))
def ThreadCheckBox_is_clild(self):
if self.ThreadCheckBox.isChecked():
Info = "多线程下载开启后，下载速度会加快，但开启过多线程会占用电脑资源及对网站造成一定的访问压力，因此本程序只允许开启至多60个线程。"
messagebox = QMessageBox()
messagebox.setWindowTitle("提示")
messagebox.setText(Info)
messagebox.addButton("我已知晓",QMessageBox.YesRole)
messagebox.setWindowIcon(QtGui.QIcon("./resource/computer.ico"))
messagebox.exec_()
self.ThreadNumEntry.setText("60")
self.ThreadNumEntry.setEnabled(True)
else:
self.ThreadNumEntry.clear()
self.ThreadNumEntry.setEnabled(False)
def Search(self):
def start_search():
self.StartSearchButton.setEnabled(False)
self.Infotext.append("正在搜索。\n")
def end_search():
self.StartSearchButton.setEnabled(True)
def getresult(status_code:int,ResultList:list):
if status_code == 0:
self.Infotext.append("该关键词无结果。\n")
elif status_code == -1:
self.Infotext.append("此次请求被网站拦截，请稍后再试！\n")
else:
row = 0
cow = 0
self.Resulttable.setRowCount(len(ResultList))
for Result in ResultList:
for i in Result:
newitem = QtWidgets.QTableWidgetItem(i)
# 表格item居中
newitem.setTextAlignment(QtCore.Qt.AlignHCenter | QtCore.Qt.AlignVCenter)
newitem.setFlags(QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
self.Resulttable.setItem(row,cow,newitem)
cow += 1
row += 1
cow = 0
self.Resulttable.resizeColumnsToContents()
self.Resulttable.resizeRowsToContents()
self.Resulttable.horizontalHeader().setStretchLastSection(True)
self.Infotext.append("搜索完毕。\n")
self.SearchKeyEntry.clear()
flag = False
self.Resulttable.clearContents()
if self.SearchKeyEntry.text() == "":
QMessageBox.about(None,"错误","请输入搜索关键词")
else:
if self.NovelnameradioButton.isChecked():
searchtype = "articalname"
flag = True
elif self.WriterradioButton.isChecked():
searchtype = "author"
flag = True
else:
QMessageBox.about(None,"错误","请选择搜索模式")
if flag == True:
self.SearchThread = SearchThread(searchtype,self.SearchKeyEntry.text())
self.SearchThread.signal.connect(getresult)
self.SearchThread.started.connect(start_search)
self.SearchThread.finished.connect(end_search)
self.SearchThread.start()
def Download(self):
def start_download():
self.DownloadButton.setEnabled(False)
self.DownloadNumEntry.setEnabled(False)
self.SavePlaceEntry.setEnabled(False)
self.ThreadCheckBox.setEnabled(False)
self.ThreadNumEntry.setEnabled(False)
self.progressBar.reset()
self.Infotext.append("\n开始下载。\n")
def end_download():
self.DownloadButton.setEnabled(True)
self.DownloadNumEntry.setEnabled(True)
self.SavePlaceEntry.setEnabled(True)
self.ThreadCheckBox.setEnabled(True)
self.ThreadNumEntry.setEnabled(True)
self.Infotext.append("\n下载完成。\n")
def set_progessbar(total):
self.progressBar.setRange(0,total)
def print_content(content):
self.progressBar.setValue(self.progressBar.value()+1)
self.Infotext.append(content)
def fin_info(result):
if result == True:
QMessageBox.about(None,"完成","下载完成！")
else:
QMessageBox.about(None,"错误","下载出错，请重新下载!")
try:
downloadnum = int(self.DownloadNumEntry.text())
if self.Resulttable.rowCount() == 0:
QMessageBox.about(None,"错误","该关键词无搜索结果。")
else:
if downloadnum > self.Resulttable.rowCount() or downloadnum < 1:
QMessageBox.about(None,"错误","输入序号有误，请重新输入。")
else:
novelname = self.Resulttable.item(downloadnum-1,1).text()
novellink = self.Resulttable.item(downloadnum-1,3).text()
if self.ThreadCheckBox.isChecked():
try:
ThreadNum = int(self.ThreadNumEntry.text())
if ThreadNum > 60 or ThreadNum < 1:
QMessageBox.about(None,"错误","您未输入正确线程数，线程数将默认指定为60.")
ThreadNum = 60
self.ThreadNumEntry.setText("60")
except:
QMessageBox.about(None,"错误","您未输入线程数，线程数将默认指定为60.")
self.ThreadNumEntry.setText("60")
ThreadNum = 60
else:
ThreadNum = 1
saveplace = self.SavePlaceEntry.text()
if saveplace == "":
saveplace = "./Book/"
if os.path.exists(saveplace) == False:
QMessageBox.about(None,"提示","该目录不存在。")
else:
saveplace = saveplace + "/"
self.DownloadThread = DownloadThread(novelname,novellink,ThreadNum,saveplace)
self.DownloadThread.content_signal.connect(print_content)
self.DownloadThread.fin_signal.connect(fin_info)
self.DownloadThread.total_signal.connect(set_progessbar)
self.DownloadThread.started.connect(start_download)
self.DownloadThread.finished.connect(end_download)
self.DownloadThread.start()
except:
QMessageBox.about(None,"错误","请输入下载序号")
def Run(self):
app = QApplication(sys.argv)
MainWin = QMainWindow()
self.setupUi(MainWin)
MainWin.show()
sys.exit(app.exec_())
if __name__ == "__main__":
Ui_MainWindow().Run()