def _is_valid()

in alibabacloud_oss_v2/checkpoint.py [0:0]

• 29 lines of code
• 11 McCabe index (conditional complexity)

    def _is_valid(self) -> bool:
        try:
            ucp_info = {}
            with open(self.cp_filepath, 'rb') as f:
                ucp_info = json.loads(f.read())
                if not isinstance(ucp_info, Dict):
                    return False

                js = json.dumps(ucp_info.get("Data", {})).encode()
                h = hashlib.md5()
                h.update(js)
                md5sum = h.hexdigest()

                if (CHECKPOINT_MAGIC != ucp_info.get("Magic") or
                    md5sum != ucp_info.get("MD5")):
                    return False

            cpid = self.cp_info["Data"]
            ucpid = ucp_info["Data"]

            #compare
            if (cpid["ObjectInfo"] != ucpid["ObjectInfo"] or
                cpid["FileMeta"] != ucpid["FileMeta"] or
                cpid["FilePath"] != ucpid["FilePath"] or
                cpid["PartSize"] != ucpid["PartSize"]):
                return False

	        #upload info
            uploadid = ucpid["UploadInfo"]["UploadId"]
            if not isinstance(uploadid, str) or uploadid == '':
                return False

            self.upload_id = uploadid

            return True
        except Exception:
            #print(f"err = {err}")
            pass

        return False