fix(api): head requests for projectfilemanager

pe-gehc · pe-gehc · commit 7b84c1656389 · 2024-09-12T11:02:05.000-05:00
diff --git a/gitlab/v4/objects/files.py b/gitlab/v4/objects/files.py
@@ -2,11 +2,11 @@
 from typing import (
     Any,
     Callable,
-    cast,
     Dict,
     Iterator,
     List,
     Optional,
+    Tuple,
     TYPE_CHECKING,
     Union,
 )
@@ -20,7 +20,6 @@
 from gitlab.mixins import (
     CreateMixin,
     DeleteMixin,
-    GetMixin,
     ObjectDeleteMixin,
     SaveMixin,
     UpdateMixin,
@@ -96,10 +95,11 @@ def delete(  # type: ignore
         self.manager.delete(file_path, branch, commit_message, **kwargs)
 
 
-class ProjectFileManager(GetMixin, CreateMixin, UpdateMixin, DeleteMixin, RESTManager):
+class ProjectFileManager(CreateMixin, UpdateMixin, DeleteMixin, RESTManager):
     _path = "/projects/{project_id}/repository/files"
     _obj_cls = ProjectFile
     _from_parent_attrs = {"project_id": "id"}
+    _optional_get_attrs: Tuple[str, ...] = ()
     _create_attrs = RequiredOptional(
         required=("file_path", "branch", "content", "commit_message"),
         optional=("encoding", "author_email", "author_name"),
@@ -114,9 +114,36 @@ class ProjectFileManager(GetMixin, CreateMixin, UpdateMixin, DeleteMixin, RESTMa
     )
     # NOTE(jlvillal): Signature doesn't match UpdateMixin.update() so ignore
     # type error
-    def get(  # type: ignore
-        self, file_path: str, ref: str, **kwargs: Any
-    ) -> ProjectFile:
+    def head(self, file_path: str, ref: str, **kwargs: Any) -> ProjectFile:
+        """Retrieve just metadata for a single file.
+
+        Args:
+            file_path: Path of the file to retrieve
+            ref: Name of the branch, tag or commit
+            **kwargs: Extra options to send to the server (e.g. sudo)
+
+        Raises:
+            GitlabAuthenticationError: If authentication is not correct
+            GitlabGetError: If the file could not be retrieved
+
+        Returns:
+            The generated RESTObject
+        """
+        if TYPE_CHECKING:
+            assert file_path is not None
+        file_path = utils.EncodedId(file_path)
+        path = f"{self.path}/{file_path}"
+        server_data_headers = self.gitlab.http_head(path, ref=ref, **kwargs)
+        server_data = {
+            key.replace("X-Gitlab-", "").replace("-", "_").lower(): value
+            for key, value in server_data_headers.items()
+            if key.startswith("X-Gitlab-") and key != "X-Gitlab-Meta"
+        }
+        if TYPE_CHECKING:
+            assert isinstance(server_data, dict)
+        return self._obj_cls(self, server_data)
+
+    def get(self, file_path: str, ref: str, **kwargs: Any) -> ProjectFile:
         """Retrieve a single file.
 
         Args:
@@ -131,7 +158,14 @@ def get(  # type: ignore
         Returns:
             The generated RESTObject
         """
-        return cast(ProjectFile, GetMixin.get(self, file_path, ref=ref, **kwargs))
+        if TYPE_CHECKING:
+            assert file_path is not None
+        file_path = utils.EncodedId(file_path)
+        path = f"{self.path}/{file_path}"
+        server_data = self.gitlab.http_get(path, ref=ref, **kwargs)
+        if TYPE_CHECKING:
+            assert isinstance(server_data, dict)
+        return self._obj_cls(self, server_data)
 
     @cli.register_custom_action(
         cls_names="ProjectFileManager",
diff --git a/tests/unit/objects/test_repositories.py b/tests/unit/objects/test_repositories.py
@@ -15,6 +15,52 @@
 ref = "main"
 
 
+@pytest.fixture
+def resp_head_repository_file():
+    header_response = {
+        "Cache-Control": "no-cache",
+        "Content-Length": "0",
+        "Content-Type": "application/json",
+        "Date": "Thu, 12 Sep 2024 14:27:49 GMT",
+        "Referrer-Policy": "strict-origin-when-cross-origin",
+        "Server": "nginx",
+        "Strict-Transport-Security": "max-age=63072000",
+        "Vary": "Origin",
+        "X-Content-Type-Options": "nosniff",
+        "X-Frame-Options": "SAMEORIGIN",
+        "X-Gitlab-Blob-Id": "79f7bbd25901e8334750839545a9bd021f0e4c83",
+        "X-Gitlab-Commit-Id": "d5a3ff139356ce33e37e73add446f16869741b50",
+        "X-Gitlab-Content-Sha256": "4c294617b60715c1d218e61164a3abd4808a4284cbc30e6728a01ad9aada4481",
+        "X-Gitlab-Encoding": "base64",
+        "X-Gitlab-Execute-Filemode": "false",
+        "X-Gitlab-File-Path": "key.rb",
+        "X-Gitlab-File-Path": file_path,
+        "X-Gitlab-Last-Commit-Id": "570e7b2abdd848b95f2f578043fc23bd6f6fd24d",
+        "X-Gitlab-Meta": '{"correlation_id":"01J7KFRPXBX65Y04HEH7MFX4GD","version":"1"}',
+        "X-Gitlab-Ref": ref,
+        "X-Gitlab-Size": "1476",
+        "X-Request-Id": "01J7KFRPXBX65Y04HEH7MFX4GD",
+        "X-Runtime": "0.083199",
+        "Connection": "keep-alive",
+    }
+    encoded_path = quote(file_path, safe="")
+
+    with responses.RequestsMock() as rsps:
+        rsps.add(
+            method=responses.HEAD,
+            url=f"http://localhost/api/v4/projects/1/repository/files/{encoded_path}",
+            headers=header_response,
+            status=200,
+        )
+        yield rsps
+
+
+def test_head_repository_file(project, resp_head_repository_file):
+    file = project.files.head(file_path, ref=ref)
+    assert isinstance(file, ProjectFile)
+    assert file.file_path == file_path
+
+
 @pytest.fixture
 def resp_get_repository_file():
     file_response = {
