Support downloading a single artifact file

Fixes #432

1 files changed, 28 insertions, 0 deletions

diff --git a/gitlab/v4/objects.py b/gitlab/v4/objects.py
index 4ca9dea..e1763a5 100644
--- a/gitlab/v4/objects.py
+++ b/gitlab/v4/objects.py
@@ -1014,6 +1014,34 @@ class ProjectJob(RESTObject, RefreshMixin):
 
     @cli.register_custom_action('ProjectJob')
     @exc.on_http_error(exc.GitlabGetError)
+    def artifact(self, path, streamed=False, action=None, chunk_size=1024,
+                 **kwargs):
+        """Get a single artifact file from within the job's artifacts archive.
+
+        Args:
+            path (str): Path of the artifact
+            streamed (bool): If True the data will be processed by chunks of
+                `chunk_size` and each chunk is passed to `action` for
+                treatment
+            action (callable): Callable responsible of dealing with chunk of
+                data
+            chunk_size (int): Size of each chunk
+            **kwargs: Extra options to send to the server (e.g. sudo)
+
+        Raises:
+            GitlabAuthenticationError: If authentication is not correct
+            GitlabGetError: If the artifacts could not be retrieved
+
+        Returns:
+            str: The artifacts if `streamed` is False, None otherwise.
+        """
+        path = '%s/%s/artifacts/%s' % (self.manager.path, self.get_id(), path)
+        result = self.manager.gitlab.http_get(path, streamed=streamed,
+                                              **kwargs)
+        return utils.response_content(result, streamed, action, chunk_size)
+
+    @cli.register_custom_action('ProjectJob')
+    @exc.on_http_error(exc.GitlabGetError)
     def trace(self, streamed=False, action=None, chunk_size=1024, **kwargs):
         """Get the job trace.