+class Theme(Base):
+
+ __tablename__ = "theme"
+
+ theme_id = Column(Integer, primary_key=True)
+ theme_name = Column(String(20))
+
+ def __init__(self, theme_name):
+ self.theme_name = theme_name
+
+
+class Semaphore(Base):
+
+ __tablename__ = "semaphore"
+
+ semaphore_id = Column(Integer, primary_key=True)
+ flag = Column(Boolean)
+
+ def __init__(self, flag):
+ self.flag = flag
+
+