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How to use parse_message_attributes method in localstack

Best Python code snippet using localstack_python

utils.py

Source:utils.py

...6from localstack.utils.urls import path_from_url7def is_sqs_queue_url(url):8    path = path_from_url(url).partition("?")[0]9    return re.match(r"^/(queue|%s)/[a-zA-Z0-9_-]+(.fifo)?$" % get_aws_account_id(), path)10def parse_message_attributes(11    querystring, key="MessageAttribute", base="", value_namespace="Value."12):13    message_attributes = {}14    index = 115    while True:16        # Loop through looking for message attributes17        name_key = base + "{0}.{1}.Name".format(key, index)18        name = querystring.get(name_key)19        if not name:20            # Found all attributes21            break22        data_type_key = base + "{0}.{1}.{2}DataType".format(key, index, value_namespace)23        data_type = querystring.get(data_type_key)24        if not data_type:25            raise MessageAttributesInvalid(26                "The message attribute '{0}' must contain non-empty message attribute value.".format(27                    name[0]28                )29            )30        data_type_parts = data_type[0].split(".")31        if data_type_parts[0] not in [32            "String",33            "Binary",34            "Number",35        ]:36            raise MessageAttributesInvalid(37                "The message attribute '{0}' has an invalid message attribute type, the set of supported type prefixes is Binary, Number, and String.".format(38                    name[0]39                )40            )41        type_prefix = "String"42        if data_type_parts[0] == "Binary":43            type_prefix = "Binary"44        value_key = base + "{0}.{1}.{2}{3}Value".format(key, index, value_namespace, type_prefix)45        value = querystring.get(value_key)46        if not value:47            raise MessageAttributesInvalid(48                "The message attribute '{0}' must contain non-empty message attribute value for message attribute type '{1}'.".format(49                    name[0], data_type[0]50                )51            )52        message_attributes[name[0]] = {53            "data_type": data_type[0],54            type_prefix.lower() + "_value": value[0],55        }56        index += 157    return message_attributes58def get_message_attributes_md5(req_data):59    req_data = clone(req_data)60    orig_types = {}61    for key, entry in dict(req_data).items():62        # Fix an issue in moto where data types like 'Number.java.lang.Integer' are63        # not supported: Keep track of the original data type, and temporarily change64        # it to the short form (e.g., 'Number'), before changing it back again.65        if key.endswith("DataType"):66            parts = entry.split(".")67            if len(parts) > 2:68                short_type_name = parts[0]69                full_type_name = entry70                attr_num = key.split(".")[1]71                attr_name = req_data["MessageAttribute.%s.Name" % attr_num]72                orig_types[attr_name] = full_type_name73                req_data[key] = [short_type_name]74                if full_type_name not in TRANSPORT_TYPE_ENCODINGS:75                    TRANSPORT_TYPE_ENCODINGS[full_type_name] = TRANSPORT_TYPE_ENCODINGS[76                        short_type_name77                    ]78    # moto parse_message_attributes(..) expects params to be passed as dict of lists79    req_data_lists = {k: [v] for k, v in req_data.items()}80    moto_message = Message("dummy_msg_id", "dummy_body")81    moto_message.message_attributes = parse_message_attributes(req_data_lists)82    for key, data_type in orig_types.items():83        moto_message.message_attributes[key]["data_type"] = data_type84    message_attr_hash = moto_message.attribute_md5...

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