iaas component is trying to regex match on an UUID

Description

after adding support for UUID in iaas the use of the SDK is failing with expected string or bytes-like object, got 'UUID'

Steps to reproduce

from uuid import UUID
from stackit.core.configuration import Configuration
from stackit.iaas.api.default_api import DefaultApi

def mytest():
    config_kwargs = {
        # 'region': self.region,
        'service_account_key_path': ".../svc_acc.json",
    }
    config = Configuration(**config_kwargs)

    client = DefaultApi(config)

    srv = client.list_servers(project_id=UUID("uuid"), region="eu01")

    print(srv)

if __name__ == "__main__":
    mytest()

Actual behavior

error message expected string or bytes-like object, got 'UUID'

Expected behavior

no error

Environment

OS: Linux
Python version (see python --version): 3.14.3
Version of the Python STACKIT SDK:

# please run the following command to get the versions of the STACKIT Python SDK versions and add the output here in this code block

$ pip list | grep "stackit"

latest stackit.iaas

Additional information

Feel free to add any additional information here.

I assume this needs to be fixed in the sdk generator as it seems to generate this for all:

    @field_validator("id")
    def id_validate_regular_expression(cls, value):
        """Validates the regular expression"""
        if value is None:
            return value

        if not re.match(r"^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$", value):
            raise ValueError(
                r"must validate the regular expression /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/"
            )
        return value

there should be a check if it is string or UUID. this re.match is obsolete on UUID.

but it could be handled by wrapping value with str()

I ran into the same issue just today, temporary fix for it is the str wrapper as suggested above

if isinstance(value, UUID):
            value = str(value)

Probably related to this recent change no idea OpenAPITools/openapi-generator#23295

We've merged a fix upstream and are waiting for the next release

https://github.com/stackitcloud/stackit-sdk-python/releases/tag/release-2026-05-13
contains the regex fix, please reopen this issue if there are still problems.

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iaas component is trying to regex match on an UUID #3534

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iaas component is trying to regex match on an UUID #3534

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mhenselin commented on Mar 23, 2026

gimbald commented on Mar 24, 2026

cgoetz-inovex commented on Apr 27, 2026

cgoetz-inovex commented on May 19, 2026

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