Fix builder meta doc model

materialsproject · Oct 9, 2023 · 9b26ec9 · 9b26ec9
1 parent c6bac74
commit 9b26ec9
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/emmet-core/emmet/core/base.py b/emmet-core/emmet/core/base.py
@@ -2,7 +2,7 @@
 
 """ Base emmet model to add default metadata """
 from datetime import datetime
-from typing import TypeVar, Optional
+from typing import TypeVar, Optional, Literal
 
 from pydantic import field_validator, BaseModel, Field
 from pymatgen.core import __version__ as pmg_version
@@ -40,6 +40,10 @@ class EmmetMeta(BaseModel):
         description="The build date for this document.",
     )
 
+    license: Optional[Literal["BY-C", "BY-NC"]] = Field(
+        None, description="License for the data entry."
+    )
+
     # Make sure that the datetime field is properly formatted
     @field_validator("build_date", mode="before")
     @classmethod