from PyQt5.QtWidgets import QApplication
from PyQt5.QtWebKitWidgets import QWebView
from PyQt5.QtNetwork import QNetworkAccessManager
from PyQt5.QtCore import QUrl
import logging

logger = logging.getLogger()
logging.basicConfig(level=logging.DEBUG)


class NetworkAccessManager(QNetworkAccessManager):
    def __init__(self, parent=None):
        QNetworkAccessManager.__init__(self, parent)

    def createRequest(self, op, req, outgoingData=None):
        cookies = self.cookieJar().cookiesForUrl(req.url())
        for c in cookies:
            # http://doc.qt.io/qt-5/qnetworkcookie.html
            logger.debug(
                ("domain=%s, expiration=%s, httpOnly=%s, secure=%s, "
                    "sessionCookie=%s, name=%s, path=%s, value=%s"),
                c.domain(),
                c.expirationDate(),
                c.isHttpOnly(),
                c.isSecure(),
                c.isSessionCookie(),
                c.name(),
                c.path(),
                c.value()
            )
        return QNetworkAccessManager.createRequest(self, op, req, outgoingData)


if __name__ == '__main__':
    app = QApplication([])
    webview = QWebView()
    webview.page().setNetworkAccessManager(NetworkAccessManager())
    webview.show()
    webview.load(QUrl("https://vk.com"))
    app.exec_()