def _bucket_matches_existing()

in taskcat/_dataclasses.py [0:0]

• 27 lines of code
• 10 McCabe index (conditional complexity)

    def _bucket_matches_existing(self):
        try:
            location = self.s3_client.get_bucket_location(Bucket=self.name)[
                "LocationConstraint"
            ]
            location = location if location else "us-east-1"
        except self.s3_client.exceptions.NoSuchBucket:
            location = None
        if location != self.region and location is not None:
            raise TaskCatException(
                f"bucket {self.name} already exists, but is not in "
                f"the expected region {self.region}, expected {location}"
            )
        if location:
            if self.regional_buckets:
                return True
            tags = self.s3_client.get_bucket_tagging(Bucket=self.name)["TagSet"]
            tags = {t["Key"]: t["Value"] for t in tags}
            uid = tags.get("taskcat-id")
            uid = UUID(uid) if uid else uid
            if uid != self.taskcat_id:
                raise TaskCatException(
                    f"bucket {self.name} already exists, but does not have a matching"
                    f" uuid"
                )
            return True
        return False