source_PyQy5.py

#!/usr/bin/env python
#Get source with scripts run using PyQt5

import sys
import signal

from PyQt5.QtCore import Qt, QUrl
from PyQt5.QtWidgets import QApplication
from PyQt5.QtWebKitWidgets import QWebPage

agent = 'Mozilla/5.0 (Windows NT 6.2; x86_64; rv:48.0) Gecko/20100101 Firefox/50.0'

class Source_W_Scripts(QWebPage):
    def __init__(self, url, file):
        QWebPage.__init__(self)
        self._url = url
        self._file = file

    def userAgentForUrl(self, Qurl):
        return (agent)

    def get_it(self):
        signal.signal(signal.SIGINT, signal.SIG_DFL)
        self.loadFinished.connect(self.finished_loading)
        self.mainFrame().load(QUrl(self._url))

    def finished_loading( self, result ):
        with open(self._file, 'w') as f:
            f.write(self.mainFrame().toHtml())
        sys.exit(0)

def main():
    url = input('Enter/Paste url for source: ')
    out_file = input('Enter output file name: ')
    app = QApplication([]) #(sys.argv)
    dloader = Source_W_Scripts(url, out_file)
    dloader.get_it()
    sys.exit(app.exec_())

if __name__ == '__main__':
    main()