boto3 enable all local zones

enable-local-zones.py

import boto3

ec2 = boto3.client("ec2", region_name="us-east-1")
for region in ec2.describe_regions()["Regions"]:
    regional_ec2 = boto3.client("ec2", region_name=region["RegionName"])
    done = set()
    for zone in regional_ec2.describe_availability_zones(AllAvailabilityZones=True)["AvailabilityZones"]:
        if zone["OptInStatus"] == "opted-in":
            response = regional_ec2.get_paginator("describe_spot_price_history").paginate(
                AvailabilityZone=zone["ZoneName"],
                ProductDescriptions=["LINUX/UNIX", "Linux/UNIX (Amazon VPC)"],
            )
            for item in response.search("SpotPriceHistory"):
                print(item["AvailabilityZone"], item["InstanceType"], item["SpotPrice"])
        if not (zone["State"] == "available" and zone["OptInStatus"] == "not-opted-in"):
            continue
        if zone["GroupName"] in done:
            continue
        try:
            response = regional_ec2.modify_availability_zone_group(
                GroupName=zone["GroupName"],
                OptInStatus="opted-in",
            )
        except Exception as ex:
            if not ex.response.get("Error", {}).get("Code") == "InvalidAZGroup.NotFound":
                raise
        done.add(zone["GroupName"])