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sql_orm.py
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sql_orm.py
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# coding=utf-8
""" build models for scrapy. """
from sqlalchemy import create_engine, Table, Column, Integer, String, MetaData, Text, BigInteger
engine = create_engine('mysql+mysqldb://root:123456@127.0.0.1/gp_data_dev', echo=True)
metadata = MetaData()
news = Table(
'news_info', metadata,
Column('id', Integer, primary_key=True, autoincrement=True),
Column('news_id', BigInteger),
Column('title', String(100)),
Column('source', String(100)),
Column('abstract', String(255)),
Column('content', Text),
Column('created_at', BigInteger),
Column('comments_count', Integer)
)
tags = Table(
'tags', metadata,
Column('id', Integer, primary_key=True, autoincrement=True),
Column('tag_name', String(100))
)
news_tag = Table(
'news_tag', metadata,
Column('id', Integer, primary_key=True, autoincrement=True),
Column('news_id', BigInteger),
Column('tag_id', Integer)
)
images = Table(
'images', metadata,
Column('id', Integer, primary_key=True, autoincrement=True),
Column('image_url', String(255))
)
news_image = Table(
'news_image', metadata,
Column('id', Integer, primary_key=True, autoincrement=True),
Column('image_id', Integer),
Column('news_id', BigInteger),
)
comments = Table(
'comments', metadata,
Column('id', Integer, primary_key=True, autoincrement=True),
Column('comment_id', BigInteger),
Column('news_id', BigInteger),
Column('text', Text),
Column('create_time', BigInteger),
Column('from_user_name', String(100)),
Column('from_user_id', BigInteger)
)
metadata.create_all(engine)