So I'm trying to make a Webkit of sorts, however sometimes the pages stops to load(ideally I'd fix this problem, but can't seem to sort it out), so I've decided to come up with a hackish way of handling that issue. I want to close the current QWebEngineView then recreate it, this works as the view starts loading again, however it doesn't close itself properly. In task manager under processes i find several QtWebEngineProcess.exe processes if the program goes for a long time, which indicates that it isn't being closed properly. How if sip.delete(QWebEngineView) doesn't work what would help?
Qt Code: 
  1. def _render(url, wait):
  2.         try:
  3.             from PyQt5.QtCore import QEventLoop, QUrl, QTimer
  4.             from PyQt5.QtWebEngineWidgets import QWebEngineView
  5.             from PyQt5.QtWidgets import QApplication
  6.             from sip import delete
  7.  
  8.             class Render():
  9.                 page_load_timeout = 15
  10.  
  11.                 def __init__(self, url, wait):
  12.                     self.url = QUrl(url)
  13.                     self.wait = wait
  14.                     self.html = None
  15.                     self.app = QApplication(sys.argv)
  16.                     self._createView()
  17.                     while self.html is None:
  18.                         self.app.processEvents(
  19.                             QEventLoop.ExcludeUserInputEvents |
  20.                             QEventLoop.ExcludeSocketNotifiers |
  21.                             QEventLoop.WaitForMoreEvents)
  22.                     self.app.quit()
  23.  
  24.                 def _createView(self):
  25.                     self.view = QWebEngineView()
  26.                     self.view.loadFinished.connect(self._loadFinished)
  27.                     self.view.loadProgress.connect(self._loadProgress)
  28.                     self.view.load(self.url)
  29.  
  30.                 def _checkProgress(self):
  31.                     cur = time.clock()
  32.                     if self._lastProg + self.page_load_timeout < cur:
  33.                         self._lastProg = time.clock()
  34.                         with open(os.getcwd() + "\\files\\wk_log.txt", "a") as f:
  35.                             f.write("Recreating view\n")
  36.                         delete(self.view)
  37.                         self._createView()
  38.  
  39.                 def _loadProgress(self, prog):
  40.                     with open(os.getcwd() + "\\files\\wk_log.txt", "a") as f:
  41.                         f.write("{}\n".format(prog))
  42.                     if prog != 100:
  43.                         self._lastProg = time.clock()
  44.                         QTimer.singleShot((self.page_load_timeout + 0.5) * 1000, self._checkProgress)
  45.  
  46.  
  47.                 def _loadFinished(self, result):
  48.                     QTimer.singleShot(self.wait * 1000, self._timer_for_html)
  49.  
  50.                 def _timer_for_html(self):
  51.                     self.view.page().toHtml(self._callable)
  52.  
  53.                 def _callable(self, data):
  54.                     self.html = data
  55.         except:
  56.             print("Exception occured")
  57.  
  58.         #with devnull():
  59.         return Render(url, wait).html
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Never mind the layout of the code, it's just to get my problem across. The webview will load fine a couple of times, then suddenly break. Now the current code fixes this, however it doesn't close the previous view properly. I've thought about running del self.view However I don't think that would change anything as it would just delete the reference of the view and not the actual view itself.

Running PyQt5-5.8.2 on windows 10 64 bit, python 64 bit