start python backend

ki/models.py

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+from sqlalchemy import Column, Integer, String, DateTime, ForeignKey, Table
+from sqlalchemy.orm import relationship
+
+from app import db
+
+user_skill_table = Table("user_skill", db.Model.metadata,
+                         Column("user_id", Integer, ForeignKey("user.id")),
+                         Column("skill_id", Integer, ForeignKey("skill.id")))
+
+
+class User(db.Model):
+    __tablename__ = "user"
+
+    id = Column(Integer, primary_key=True)
+    nickname = Column(String(25), unique=True, nullable=False)
+    pronouns = Column(String(25), default="")
+    volunteerwork = Column(String(4000), default="")
+    freetext = Column(String(4000), default="")
+
+    relationship("Address", uselist=False, back_populates="user")
+    skills = relationship("Skill",
+                          secondary=user_skill_table,
+                          back_populates="users")
+
+
+class Address(db.Model):
+    __tablename__ = "address"
+
+    id = Column(Integer, primary_key=True)
+    street = Column(String(25), default="")
+    house_number = Column(String(10), default="")
+    additional = Column(String(25), default="")
+    postcode = Column(String(10), default="")
+    city = Column(String(25), default="")
+    country = Column(String(25), default="")
+
+    user_id = Column(Integer, ForeignKey("user.id"))
+    user = relationship("User", back_populates="address")
+
+
+class Skill(db.Model):
+    __tablename__ = "skill"
+
+    id = Column(Integer, primary_key=True)
+    name = Column(String(25), unique=True, nullable=False)
+
+    users = relationship("User",
+                         secondary=user_skill_table,
+                         back_populates="skills")
+
+
+class Language(db.Model):
+    __tablename__ = "language"
+
+    id = Column(Integer, primary_key=True)
+    name = Column(String(25), nullable=False)

ki/module.py

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+from ki import models, routes

ki/routes.py

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+from app import app
+
+@app.route("/")
+def hello_world():
+    return "KI"