我正在尝试使用pythonpyqt4+美丽的汤刮几个网页。在
由于我整个程序的性质,我使用了一个主脚本“程序.py“调用其他脚本的函数,用靓汤做不同的分析。在
因此,mymain的简化架构程序.py如下:
program.py :
import script1
import script2
script1.function1(urlA)
script2.function2(urlB)
使用script1.py和script2.py,如下所示:
^{pr2}$我的脚本2有完全相同的结构,但是在另一个url上做其他事情。在
script2.py :
import requests
import re
from bs4 import BeautifulSoup
from PyQt4.QtGui import *
from PyQt4.QtCore import *
from PyQt4.QtWebKit import *
class Render(QWebPage):
def __init__(self, url):
self.app = QApplication(sys.argv)
QWebPage.__init__(self)
self.loadFinished.connect(self._loadFinished)
self.mainFrame().load(QUrl(url))
self.app.exec_()
def _loadFinished(self, result):
self.frame = self.mainFrame()
self.app.quit()
def function2(url):
r = Render(url)
soup = BeautifulSoup(unicode(r.frame.toHtml()))
#Do many other things with soup
#Nothing related to PyQT4 further in this script
使用script1.py一切正常。我的函数1和分析运行成功。在
但是script2.py有错误,我有以下错误:
QObject::connect: Cannot connect (null)::configurationAdded(QNetworkConfiguration) to QNetworkConfigurationManager::configurationAdded(QNetworkConfiguration)
QObject::connect: Cannot connect (null)::configurationRemoved(QNetworkConfiguration) to QNetworkConfigurationManager::configurationRemoved(QNetworkConfiguration)
QObject::connect: Cannot connect (null)::configurationChanged(QNetworkConfiguration) to QNetworkConfigurationManager::configurationChanged(QNetworkConfiguration)
QObject::connect: Cannot connect (null)::onlineStateChanged(bool) to QNetworkConfigurationManager::onlineStateChanged(bool)
QObject::connect: Cannot connect (null)::configurationUpdateComplete() to QNetworkConfigurationManager::updateCompleted()
我花了很多时间寻找这个问题,发现PyQT4无法在同一个实例中加载多个页面。在
问题是,我需要PyQT4在将页面内容加载到Beautiful Soup之前呈现Javascripts。在
所以我想我需要self.app.退出在script1中的function1的末尾,以便script2中的function2也可以呈现带有PyQT4的页面。但我没能成功。在
这个怎么样
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