Add to window the function to get the html of the opened page for webview

[kachanchik-sys]

Hi, could you add function to get html of page? I modified your function "get_elements" in window.py and got what I wanted, but it would be nice if you add it to your code as well
i need it for lxml parsing

@_loaded_call
 def get_html(self):
     # check for GTK's WebKit2 version
     if hasattr(self.gui, 'old_webkit') and self.gui.old_webkit:
         raise NotImplementedError('get_html requires WebKit2 2.2 or greater')

     code = """
         var elements = document.documentElement.innerHTML;
         elements;
     """ 

     return self.evaluate_js(code)

[r0x0r]

Yeah, this could be useful. Would you create a PR?

[kachanchik-sys]

Public relations? ok, sure

[r0x0r]

Pull request

[kachanchik-sys]

oh, ok