first commit

structures/lexeme.py

@@ -0,0 +1,22 @@
+from abc import ABC, abstractmethod
+from typing import List, Union
+from dataclasses import dataclass
+from .embedding import Embedding
+
+
+@dataclass
+class Lexeme(ABC):
+    id: int
+
+    @property
+    @abstractmethod
+    def content(self) -> Union[str, List[str]]:
+        """Text content of the lexeme."""
+        pass
+
+    @property
+    @abstractmethod
+    def embedding(self) -> Embedding:
+        """Embedding(s) associated with the lexeme."""
+        pass
+