Add labels

app/api/views/upload/labels.py

@@ -0,0 +1,18 @@
+from typing import Dict, List, Optional
+
+from .label import Label
+
+
+class Labels:
+
+    def __init__(self, labels: List[Label]):
+        self.labels = labels
+
+    def replace_label(self, mapping: Optional[Dict[str, int]] = None):
+        if not mapping:
+            return self
+        labels = [label.replace(mapping) for label in self.labels]
+        return Labels(labels)
+
+    def dict(self) -> List[dict]:
+        return [label.dict() for label in self.labels]