1 files changed, 91 insertions, 0 deletions
diff --git a/megapixels/app/models/sql_factory.py b/megapixels/app/models/sql_factory.py
new file mode 100644
index 00000000..4adc6f48
--- /dev/null
+++ b/megapixels/app/models/sql_factory.py
@@ -0,0 +1,91 @@
+import os
+
+from sqlalchemy import create_engine, Table, Column, String, Integer, DateTime, Float
+from sqlalchemy.orm import sessionmaker
+from sqlalchemy.ext.declarative import declarative_base, declared_attr
+from sqlalchemy.ext.declarative import AbstractConcreteBase, ConcreteBase
+
+connection_url = "mysql+mysqldb://{}:{}@{}/{}".format(
+  os.getenv("DB_USER"),
+  os.getenv("DB_PASS"),
+  os.getenv("DB_HOST"),
+  os.getenv("DB_NAME")
+)
+
+engine = create_engine(connection_url)
+Session = sessionmaker(bind=engine)
+session = Session()
+Base = declarative_base(engine)
+
+class SqlDataset:
+  def __init__(self, name):
+    self.name = name
+    self.tables = {}
+
+  def get_table(self, type):
+    if type in self.tables:
+      return self.tables[type]
+    elif type == 'uuid':
+      self.tables[type] = self.uuid_table()
+    elif type == 'roi':
+      self.tables[type] = self.roi_table()
+    elif type == 'identity_meta':
+      self.tables[type] = self.identity_table()
+    elif type == 'pose':
+      self.tables[type] = self.pose_table()
+    else:
+      return None
+    return self.tables[type]
+
+  # ==> uuids.csv <==
+  # index,uuid
+  # 0,f03fd921-2d56-4e83-8115-f658d6a72287
+  def uuid_table(self):
+    class UUID(Base):
+      __tablename__ = self.name + "_uuid"
+      id = Column(Integer, primary_key=True)
+      uuid = Column(String(36), nullable=False)
+    return UUID
+
+  # ==> roi.csv <==
+  # index,h,image_height,image_index,image_width,w,x,y
+  # 0,0.33000000000000007,250,0,250,0.32999999999999996,0.33666666666666667,0.35
+  def roi_table(self):
+    class ROI(Base):
+      __tablename__ = self.name + "_roi"
+      id = Column(Integer, primary_key=True)
+      h = Column(Float, nullable=False)
+      image_height = Column(Integer, nullable=False)
+      image_index = Column(Integer, nullable=False)
+      image_width = Column(Integer, nullable=False)
+      w = Column(Float, nullable=False)
+      x = Column(Float, nullable=False)
+      y = Column(Float, nullable=False)
+    return ROI
+
+  # ==> identity.csv <==
+  # index,fullname,description,gender,images,image_index
+  # 0,A. J. Cook,Canadian actress,f,1,0
+  def identity_table(self):
+    class Identity(Base):
+      __tablename__ = self.name + "_identity"
+      id = Column(Integer, primary_key=True)
+      fullname = Column(String(36), nullable=False)
+      description = Column(String(36), nullable=False)
+      gender = Column(String(1), nullable=False)
+      images = Column(Integer, nullable=False)
+      image_id = Column(Integer, nullable=False)
+    return Identity
+
+  # ==> pose.csv <==
+  # index,image_index,pitch,roll,yaw
+  # 0,0,11.16264458441435,10.415885631337728,22.99719032415318
+  def pose_table(self):
+    class Pose(Base):
+      __tablename__ = self.name + "_pose"
+      id = Column(Integer, primary_key=True)
+      image_id = Column(Integer, primary_key=True)
+      pitch = Column(Float, nullable=False)
+      roll = Column(Float, nullable=False)
+      yaw = Column(Float, nullable=False)
+    return Pose