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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _get_site(self):
 """Returns the mwclient.Site for accessing and editing the wiki pages. """

        import mwclient
        parts = self.server.settings.wiki.replace("http", "").replace("://", "").split("/")
        self.url = parts[0]
        if len(parts) > 1 and parts[1].strip() != "":
            self.relpath = '/' + '/'.join(parts[1:len(parts)])
            #The API expects us to have a trailing forward-slash.
            if self.relpath[-1] != "/":
                self.relpath += "/"
            if not self.testmode:
                self.site = mwclient.Site(self.url, path=self.relpath)
        else:
            if not self.testmode:
                self.site = mwclient.Site(self.url)