Read disable repositories

def read_disabled(self):
        """Read disable repositories
        """
        for line in self.conf.splitlines():
            line = line.lstrip()
            if self.tag in line:
                self.tag_line = True
            if self.tag_line and line.startswith("#"):
                line = "".join(line.split("#")).strip()
                self.disabled.append(line)
        self.tag_line = False