added path type via new path.py to avoid more circular imports

path.py

@@ -0,0 +1,30 @@
+from flask_wtf import FlaskForm
+from main import db, app, ma 
+from sqlalchemy import Sequence
+from sqlalchemy.exc import SQLAlchemyError
+
+# pylint: disable=no-member
+
+################################################################################
+# Class describing File in the database, and via sqlalchemy, connected to the DB as well
+# This has to match one-for-one the DB table
+################################################################################
+class PathType(db.Model):
+    __tablename__ = "path_type"
+    id = db.Column(db.Integer, db.Sequence('path_type_id_seq'), primary_key=True )
+    name = db.Column(db.String, unique=True, nullable=False )
+
+    def __repr__(self):
+        return "<id: {}, name={}>".format(self.id, self.name )
+
+class Path(db.Model):
+    __tablename__ = "path"
+    id = db.Column(db.Integer, db.Sequence('path_id_seq'), primary_key=True )
+    type_id = db.Column(db.Integer, db.ForeignKey("path_type.id"))
+    type = db.relationship("PathType")
+    path_prefix = db.Column(db.String, unique=True, nullable=False )
+    num_files = db.Column(db.Integer)
+
+    def __repr__(self):
+        return f"<id: {self.id}, path_prefix: {self.path_prefix}, num_files={self.num_files}>"
+