70 lines
2.5 KiB
Python
70 lines
2.5 KiB
Python
import sqlalchemy as db
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from sqlalchemy import Column, String, Integer, Numeric, Table, DateTime, ARRAY, ForeignKey, create_engine, LargeBinary, Enum, Text
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from sqlalchemy.orm import sessionmaker, relationship, column_property
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from datetime import datetime
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from sqlalchemy.ext.declarative import declarative_base
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import enum
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from flask import Flask
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import time
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engine = db.create_engine('mysql+mysqldb://root@server/fs2?charset=utf8mb4', echo=False, encoding="utf8", pool_size=1000, max_overflow=0)
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Base = declarative_base()
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Session = sessionmaker(bind=engine, autoflush=False)
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# https://docs.sqlalchemy.org/en/13/orm/basic_relationships.html#association-object
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class Recipe(Base):
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__tablename__ = "recipe"
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recipe_id = Column('recipe_id', Integer, primary_key=True, autoincrement=True)
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name = Column('name', Text)
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instructions = Column('instructions', Text)
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url = Column('url', Text)
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img = Column('img', LargeBinary(length=(2**32)-1))
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imgURL = Column('imgURL', Text)
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ingredient = relationship("RecIngred", back_populates="recipe")
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class RecIngred(Base):
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__tablename__ = 'recingred'
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ingredient_amount = Column('ingredient_amount', Text)
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ingredient_amount_mu = Column('ingredient_amount_mu', Text) # measurement unit
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recipe = relationship("Recipe", back_populates="ingredient")
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ingredient = relationship("Ingredient", back_populates="recipe")
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recipe_id = Column(Integer, ForeignKey('recipe.recipe_id'), primary_key=True)
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ingredient_name = Column(String(200), ForeignKey('ingredient.name'), primary_key=True)
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class Ingredient(Base):
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__tablename__ = "ingredient"
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name = Column('name', String(200), primary_key=True)
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recipe = relationship("RecIngred", back_populates="ingredient")
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trunks = relationship("IngredTrunk", back_populates="ingredient")
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class IngredTrunk(Base):
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__tablename__ = 'ingredtrunk'
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ingredient_name = Column(String(200), ForeignKey('ingredient.name'), primary_key=True)
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trunk_name = Column(String(50), ForeignKey('trunk.name'), primary_key=True)
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ingredient = relationship("Ingredient", back_populates="trunks")
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trunk = relationship("Trunk", back_populates="ingredients")
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class Trunk(Base):
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__tablename__ = "trunk"
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name = Column('name', String(50), primary_key=True)
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ingredients = relationship("IngredTrunk", back_populates="trunk")
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def initDB(counter=0):
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try:
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Base.metadata.create_all(engine)
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except Exception as e:
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print(e)
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counter += 1
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if counter < 13:
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time.sleep(5)
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initDB(counter)
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initDB() |