Create "bios" table

royalnet/database/tables/bios.py

@@ -0,0 +1,29 @@
+from sqlalchemy import Column, \
+                       Integer, \
+                       Text, \
+                       ForeignKey
+from sqlalchemy.orm import relationship
+from sqlalchemy.ext.declarative import declared_attr
+from .royals import Royal
+
+
+class Bio:
+    __tablename__ = "bios"
+
+    @declared_attr
+    def royal_id(self):
+        return Column(Integer, ForeignKey("royals.uid"), primary_key=True)
+
+    @declared_attr
+    def royal(self):
+        return relationship("Royal")
+
+    @declared_attr
+    def contents(self):
+        return Column(Text, unique=True, nullable=False)
+
+    def __repr__(self):
+        return f"<Bio of {self.royal}>"
+
+    def __str__(self):
+        return self.contents