slice tag API support (#414)

* retrieve tags through API

* add tags support

nucleus/__init__.py

@@ -109,6 +109,7 @@
     PREDICTIONS_PROCESSED_KEY,
     REFERENCE_IDS_KEY,
     SLICE_ID_KEY,
+    SLICE_TAGS_KEY,
     STATUS_CODE_KEY,
     UPDATE_KEY,
 )

nucleus/constants.py

@@ -144,6 +144,7 @@
 STATUS_CODE_KEY = "status_code"
 STATUS_KEY = "status"
 SUCCESS_STATUS_CODES = [200, 201, 202]
+SLICE_TAGS_KEY = "slice_tags"
 TAXONOMY_NAME_KEY = "taxonomy_name"
 TRACK_REFERENCE_ID_KEY = "track_reference_id"
 TRACK_REFERENCE_IDS_KEY = "track_reference_ids"

nucleus/slice.py

@@ -8,7 +8,12 @@
 
 from nucleus.annotation import Annotation
 from nucleus.async_job import AsyncJob, EmbeddingsExportJob
-from nucleus.constants import EXPORT_FOR_TRAINING_KEY, EXPORTED_ROWS, ITEMS_KEY
+from nucleus.constants import (
+    EXPORT_FOR_TRAINING_KEY,
+    EXPORTED_ROWS,
+    ITEMS_KEY,
+    SLICE_TAGS_KEY,
+)
 from nucleus.dataset_item import DatasetItem
 from nucleus.errors import NucleusAPIError
 from nucleus.prediction import Prediction
@@ -216,6 +221,10 @@ def dataset_id(self):
             self._dataset_id = self.info()["dataset_id"]
         return self._dataset_id
 
+    @property
+    def tags(self):
+        return self.info()["tags"]
+
     @property
     def type(self):
         """The type of the Slice."""
@@ -330,6 +339,7 @@ def info(self) -> dict:
                     "pending_job_count": int
                     "created_at": datetime
                     "description": Union[str, None]
+                    "tags":
                 }
         """
         info = KeyErrorDict(
@@ -347,6 +357,25 @@ def info(self) -> dict:
         self._description = info["description"]
         return info
 
+    def add_tags(self, tags: List[str]) -> dict:
+        """Tag a slice with custom tag names. ::
+
+            import nucleus
+            client = nucleus.NucleusClient("YOUR_SCALE_API_KEY")
+            slc = client.get_slice("YOUR_SLICE_ID")
+
+            slc.add_tags(["tag_1", "tag_1"])
+
+        Args:
+            tags: list of tag names
+        """
+        response = self._client.make_request(
+            payload={SLICE_TAGS_KEY: tags},
+            route=f"slice/{self.id}/tag",
+            requests_command=requests.post,
+        )
+        return response
+
     def append(
         self,
         reference_ids: Optional[List[str]] = None,