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papersdb.py
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papersdb.py
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from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy import create_engine, ForeignKey
from sqlalchemy import Column, Integer, String, DateTime, Date, types, Text
from sqlalchemy.orm import sessionmaker, relationship, backref, scoped_session
# ENGINE = None
# Session = None
engine = create_engine('postgresql://localhost/papersdb')
session = scoped_session(sessionmaker(bind=engine, autocommit = False, autoflush = False))
Base = declarative_base()
Base.query = session.query_property()
class Paper(Base):
__tablename__ = "Papers"
id = Column(Integer, primary_key = True)
pubmed_id = Column(String(16))
title = Column(Text)
authors = Column(Text)
class Sentences(Base):
__tablename__ = "Sentences"
id = Column(Integer, primary_key = True)
paper_id = Column(Integer)
sentence = Column(Text)
sentence_order = Column(Integer)
parsed_sentence = Column(Text, nullable = True)
#paper = relationship("Paper", backref=backref("Sentences", order_by = id))
def main():
"""In case we need this for something"""
pass
if __name__ == "__main__":
main()