René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Validate existing ci yml seems to be not implemented","articleBody":"## Description of the problem, including code/CLI snippet\n\nIt seems that _existing config validation_ is not implemented (at least I haven't found it in the source code), but the [documentation](https://python-gitlab.readthedocs.io/en/stable/gl_objects/ci_lint.html) doesn't say it explicitly.\n\nWhile this curl call works:\n\n```bash\n$ curl --header \"Private-Token: ${MY_CI_TOKEN}\" https://${MY_GITLAB_HOST}/api/v4/projects/${MY_PROJECT_ID}/ci/lint?content_ref=${MYREF}\n```\n\nThis code doesn't:\n\n```python\nfrom gitlab import Gitlab\ng = Gitlab(my_gitlab_host, private_token=my_ci_token)\np = g.projects.get(my_project_id)\np.ci_lint.validate({\"content_ref\": myref})\n```\n\n## Expected Behavior\n\nIf I pass only `content_ref` instead of `content`, the same GET would be called as in the curl above according to the [GitLab documentation](https://docs.gitlab.com/api/lint/#validate-an-existing-cicd-configuration).\n\n## Actual Behavior\n\nIt executes _new config validation_ as specified [here](https://docs.gitlab.com/api/lint/#validate-a-new-cicd-configuration), sends a POST call, then throws `AttributeError: Missing attributes: content`\n\n## Specifications\n\n  - python-gitlab version: v6.3.0\n  - Gitlab server version (or gitlab.com): v14.7.6\n","author":{"url":"https://github.com/gridranger","@type":"Person","name":"gridranger"},"datePublished":"2025-09-09T10:17:13.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/3260/python-gitlab/issues/3260"}