python-gitlab · nejch · Nov 1, 2021 · Oct 20, 2021
diff --git a/docs/api-objects.rst b/docs/api-objects.rst
@@ -29,6 +29,7 @@ API examples
    gl_objects/boards
    gl_objects/labels
    gl_objects/notifications
+   gl_objects/merge_trains
    gl_objects/mrs
    gl_objects/mr_approvals
    gl_objects/milestones

diff --git a/docs/gl_objects/merge_trains.rst b/docs/gl_objects/merge_trains.rst
@@ -0,0 +1,29 @@
+############
+Merge Trains
+############
+
+Reference
+---------
+
+* v4 API:
+
+  + :class:`gitlab.v4.objects.ProjectMergeTrain`
+  + :class:`gitlab.v4.objects.ProjectMergeTrainManager`
+  + :attr:`gitlab.v4.objects.Project.merge_trains`
+
+* GitLab API: https://docs.gitlab.com/ee/api/merge_trains.html
+
+Examples
+--------
+
+List merge trains for a project::
+
+    merge_trains = project.merge_trains.list()
+
+List active merge trains for a project::
+
+    merge_trains = project.merge_trains.list(scope="active")
+
+List completed (have been merged) merge trains for a project::
+
+    merge_trains = project.merge_trains.list(scope="complete")
diff --git a/gitlab/v4/objects/__init__.py b/gitlab/v4/objects/__init__.py
@@ -49,6 +49,7 @@
 from .members import *
 from .merge_request_approvals import *
 from .merge_requests import *
+from .merge_trains import *
 from .milestones import *
 from .namespaces import *
 from .notes import *

diff --git a/gitlab/v4/objects/merge_trains.py b/gitlab/v4/objects/merge_trains.py
@@ -0,0 +1,18 @@
+from gitlab.base import RESTManager, RESTObject
+from gitlab.mixins import ListMixin
+
+__all__ = [
+    "ProjectMergeTrain",
+    "ProjectMergeTrainManager",
+]
+
+
+class ProjectMergeTrain(RESTObject):
+    pass
+
+
+class ProjectMergeTrainManager(ListMixin, RESTManager):
+    _path = "/projects/%(project_id)s/merge_trains"
+    _obj_cls = ProjectMergeTrain
+    _from_parent_attrs = {"project_id": "id"}
+    _list_filters = "scope"
diff --git a/gitlab/v4/objects/projects.py b/gitlab/v4/objects/projects.py
@@ -42,6 +42,7 @@
     ProjectApprovalRuleManager,
 )
 from .merge_requests import ProjectMergeRequestManager  # noqa: F401
+from .merge_trains import ProjectMergeTrainManager  # noqa: F401
 from .milestones import ProjectMilestoneManager  # noqa: F401
 from .notes import ProjectNoteManager  # noqa: F401
 from .notification_settings import ProjectNotificationSettingsManager  # noqa: F401
@@ -141,6 +142,7 @@ class Project(RefreshMixin, SaveMixin, ObjectDeleteMixin, RepositoryMixin, RESTO
     members: ProjectMemberManager
     members_all: ProjectMemberAllManager
     mergerequests: ProjectMergeRequestManager
+    merge_trains: ProjectMergeTrainManager
     milestones: ProjectMilestoneManager
     notes: ProjectNoteManager
     notificationsettings: ProjectNotificationSettingsManager

diff --git a/tests/unit/objects/test_merge_trains.py b/tests/unit/objects/test_merge_trains.py
@@ -0,0 +1,65 @@
+"""
+GitLab API:
+https://docs.gitlab.com/ee/api/merge_trains.html
+"""
+import pytest
+import responses
+
+from gitlab.v4.objects import ProjectMergeTrain
+
+mr_content = {
+    "id": 110,
+    "merge_request": {
+        "id": 1,
+        "iid": 1,
+        "project_id": 3,
+        "title": "Test merge train",
+        "description": "",
+        "state": "merged",
+        "created_at": "2020-02-06T08:39:14.883Z",
+        "updated_at": "2020-02-06T08:40:57.038Z",
+        "web_url": "http://gitlab.example.com/root/merge-train-race-condition/-/merge_requests/1",
+    },
+    "user": {
+        "id": 1,
+        "name": "Administrator",
+        "username": "root",
+        "state": "active",
+        "avatar_url": "https://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80&d=identicon",
+        "web_url": "http://gitlab.example.com/root",
+    },
+    "pipeline": {
+        "id": 246,
+        "sha": "bcc17a8ffd51be1afe45605e714085df28b80b13",
+        "ref": "refs/merge-requests/1/train",
+        "status": "success",
+        "created_at": "2020-02-06T08:40:42.410Z",
+        "updated_at": "2020-02-06T08:40:46.912Z",
+        "web_url": "http://gitlab.example.com/root/merge-train-race-condition/pipelines/246",
+    },
+    "created_at": "2020-02-06T08:39:47.217Z",
+    "updated_at": "2020-02-06T08:40:57.720Z",
+    "target_branch": "feature-1580973432",
+    "status": "merged",
+    "merged_at": "2020-02-06T08:40:57.719Z",
+    "duration": 70,
+}
+
+
+@pytest.fixture
+def resp_list_merge_trains():
+    with responses.RequestsMock() as rsps:
+        rsps.add(
+            method=responses.GET,
+            url="http://localhost/api/v4/projects/1/merge_trains",
+            json=[mr_content],
+            content_type="application/json",
+            status=200,
+        )
+        yield rsps
+
+
+def test_list_project_merge_requests(project, resp_list_merge_trains):
+    merge_trains = project.merge_trains.list()
+    assert isinstance(merge_trains[0], ProjectMergeTrain)
+    assert merge_trains[0].id == mr_content["id"]