python-gitlab
diff --git a/‎docs/gl_objects/projects.rst
Lines changed: 43 additions & 0 deletions b/‎docs/gl_objects/projects.rst
Lines changed: 43 additions & 0 deletions
diff --git a/‎gitlab/v4/objects/projects.py
Lines changed: 23 additions & 0 deletions b/‎gitlab/v4/objects/projects.py
Lines changed: 23 additions & 0 deletions
diff --git a/‎tests/unit/objects/test_projects.py
Lines changed: 46 additions & 0 deletions b/‎tests/unit/objects/test_projects.py
Lines changed: 46 additions & 0 deletions
@@ -819,6 +819,49 @@ Get total fetches in last 30 days of a project::
 
     total_fetches = project.additionalstatistics.get().fetches['total']
 
+Project CI Lint
+=============================
+
+Reference
+---------
+
+* v4 API:
+
+  + :class:`gitlab.v4.objects.ProjectCiLint`
+ 
8000
 + :class:`gitlab.v4.objects.ProjectCiLintManager`
+  + :attr:`gitlab.v4.objects.Project.ci_lint`
+
+* GitLab API: https://docs.gitlab.com/ee/api/lint.html
+
+Examples
+---------
+
+Validate a project's CI configuration::
+
+    lint_result = project.ci_lint.get()
+    assert lint_result.valid is True  # Test that the .gitlab-ci.yml is valid
+    print(lint_result.merged_yaml)    # Print the merged YAML file
+
+Validate a CI YAML configuration with a namespace::
+
+    gitlab_ci_yml = """.api_test:
+      rules:
+        - if: $CI_PIPELINE_SOURCE=="merge_request_event"
+          changes:
+            - src/api/*
+    deploy:
+      extends:
+        - .api_test
+      rules:
+        - when: manual
+          allow_failure: true
+      script:
+        - echo "hello world"
+    """
+    lint_result = project.ci_lint.create({"content": gitlab_ci_yml})
+    assert lint_result.valid is True  # Test that the .gitlab-ci.yml is valid
+    print(lint_result.merged_yaml)    # Print the merged YAML file
+
 Project storage
 =============================
 
 
@@ -1,3 +1,8 @@
+"""
+GitLab API:
+https://docs.gitlab.com/ee/api/projects.html
+https://docs.gitlab.com/ee/api/lint.html
+"""
 from typing import (
     Any,
     Callable,
@@ -97,6 +102,8 @@
     "ProjectRemoteMirrorManager",
     "ProjectStorage",
     "ProjectStorageManager",
+    "ProjectCiLint",
+    "ProjectCiLintManager",
 ]
 
 
@@ -158,6 +165,7 @@ class Project(RefreshMixin, SaveMixin, ObjectDeleteMixin, RepositoryMixin, RESTO
     badges: ProjectBadgeManager
     boards: ProjectBoardManager
     branches: ProjectBranchManager
+    ci_lint: "ProjectCiLintManager"
     clusters: ProjectClusterManager
     commits: ProjectCommitManager
     customattributes: ProjectCustomAttributeManager
@@ -1055,3 +1063,18 @@ class ProjectStorageManager(GetWithoutIdMixin, RESTManager):
 
     def get(self, **kwargs: Any) -> ProjectStorage:
         return cast(ProjectStorage, super().get(**kwargs))
+
+
+class ProjectCiLint(RESTObject):
+    pass
+
+
+class ProjectCiLintManager(GetWithoutIdMixin, CreateMixin, RESTManager):
+    """GitLab API: https://docs.gitlab.com/ee/api/lint.html"""
+
+    _path = "/projects/{project_id}/ci/lint"
+    _obj_cls = ProjectCiLint
+    _from_parent_attrs = {"project_id": "id"}
+
+    def get(self, **kwargs: Any) -> ProjectCiLint:
+        return cast(ProjectCiLint, super().get(**kwargs))
@@ -82,6 +82,12 @@
     "status": "created",
     "source": "trigger",
 }
+ci_lint_get_content = {
+    "valid": True,
+    "merged_yaml": "---\n:test_job:\n  :script: echo 1\n",
+    "errors": [],
+    "warnings": [],
+}
 
 
 @pytest.fixture
@@ -541,6 +547,32 @@ def resp_artifact():
         yield rsps
 
 
+@pytest.fixture
+def resp_get_ci_lint():
+    with responses.RequestsMock() as rsps:
+        rsps.add(
+            method=responses.GET,
+            url="http://localhost/api/v4/projects/1/ci/lint",
+            json=ci_lint_get_content,
+            content_type="application/json",
+            status=200,
+        )
+        yield rsps
+
+
+@pytest.fixture
+def resp_create_ci_lint():
+    with responses.RequestsMock() as rsps:
+        rsps.add(
+            method=responses.POST,
+            url="http://localhost/api/v4/projects/1/ci/lint",
+            json=ci_lint_get_content,
+            content_type="application/json",
+            status=200,
+        )
+        yield rsps
+
+
 def test_get_project(gl, resp_get_project):
     data = gl.projects.get(1)
     assert isinstance(data, Project)
@@ -756,3 +788,17 @@ def test_project_pull_mirror(project, resp_start_pull_mirroring_project):
 def test_project_snapshot(project, resp_snapshot_project):
     tar_file = project.snapshot()
     assert isinstance(tar_file, bytes)
+
+
+def test_project_ci_lint_get(project, resp_get_ci_lint):
+    lint_result = project.ci_lint.get()
+    assert lint_result.valid is True
+
+
+def test_project_ci_lint_create(project, resp_create_ci_lint):
+    gitlab_ci_yml = """---
+:test_job:
+  :script: echo 1
+"""
+    lint_result = project.ci_lint.create({"content": gitlab_ci_yml})
+    assert lint_result.valid is True