class Request:
    def parse(self, xml):
        self.requestid = int(xml.get("id"))
        self.creator = xml.get("creator")

        self.type_ = xml.find("action").get("type")
        if self.type_ == "delete":
            # not much to do
            return self

        self.source = xml.find("action/source").get("project")
        # expanded MD5 or commit revision
        self.revisionid = xml.find("action/source").get("rev")

        self.target = xml.find("action/target").get("project")

        self.state = xml.find("state").get("name")

        # TODO: support muti-action requests
        # TODO: parse review history
        # TODO: add description
        return self

    def type(self):
        return self.type_

    def __str__(self):
        return f"Req {self.requestid} {self.creator} {self.type_} {self.source}->{self.target} {self.state}"

    def __repr__(self):
        return f"[{self.__str__()}]"