from sqlalchemy import create_engine
from sqlalchemy.orm import scoped_session, sessionmaker
from sqlalchemy.ext.declarative import declarative_base

# Database
engine = create_engine('sqlite:///files/chats.db', convert_unicode=True)
db_session = scoped_session(sessionmaker(autocommit=False,
                                        autoflush=False,
                                        bind=engine))
Base = declarative_base()
Base.query = db_session.query_property()

def init_db():
  # import all modules here that might define models so that
  # they will be registered properly on the metadata.  Otherwise
  # you will have to import them first before calling init_db()
  import scraper.models
  Base.metadata.create_all(bind=engine)
from sqlalchemy import create_engine
from sqlalchemy.orm import scoped_session, sessionmaker
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.pool import StaticPool

# Database
engine = create_engine('sqlite:///files/chats.db', convert_unicode=True, 
                        connect_args= {'check_same_thread': False},
                        poolclass=StaticPool)
db_session = scoped_session(sessionmaker(autocommit=False,
                                        autoflush=False,
                                        bind=engine))
Base = declarative_base()
Base.query = db_session.query_property()

def init_db():
  # import all modules here that might define models so that
  # they will be registered properly on the metadata.  Otherwise
  # you will have to import them first before calling init_db()
  import scraper.models
  Base.metadata.create_all(bind=engine)
Allow sharing db connection across threads
Allow sharing db connection across threads


  from sqlalchemy import create_engine
  from sqlalchemy.orm import scoped_session, sessionmaker
  from sqlalchemy.ext.declarative import declarative_base
+ from sqlalchemy.pool import StaticPool
  
  # Database
- engine = create_engine('sqlite:///files/chats.db', convert_unicode=True)
+ engine = create_engine('sqlite:///files/chats.db', convert_unicode=True, 
+                         connect_args= {'check_same_thread': False},
+                         poolclass=StaticPool)
  db_session = scoped_session(sessionmaker(autocommit=False,
                                          autoflush=False,
                                          bind=engine))
  Base = declarative_base()
  Base.query = db_session.query_property()
  
  def init_db():
    # import all modules here that might define models so that
    # they will be registered properly on the metadata.  Otherwise
    # you will have to import them first before calling init_db()
    import scraper.models
    Base.metadata.create_all(bind=engine)
Allow sharing db connection across threads
## Code Before:
from sqlalchemy import create_engine
from sqlalchemy.orm import scoped_session, sessionmaker
from sqlalchemy.ext.declarative import declarative_base

# Database
engine = create_engine('sqlite:///files/chats.db', convert_unicode=True)
db_session = scoped_session(sessionmaker(autocommit=False,
                                        autoflush=False,
                                        bind=engine))
Base = declarative_base()
Base.query = db_session.query_property()

def init_db():
  # import all modules here that might define models so that
  # they will be registered properly on the metadata.  Otherwise
  # you will have to import them first before calling init_db()
  import scraper.models
  Base.metadata.create_all(bind=engine)
## Instruction:
Allow sharing db connection across threads
## Code After:
from sqlalchemy import create_engine
from sqlalchemy.orm import scoped_session, sessionmaker
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.pool import StaticPool

# Database
engine = create_engine('sqlite:///files/chats.db', convert_unicode=True, 
                        connect_args= {'check_same_thread': False},
                        poolclass=StaticPool)
db_session = scoped_session(sessionmaker(autocommit=False,
                                        autoflush=False,
                                        bind=engine))
Base = declarative_base()
Base.query = db_session.query_property()

def init_db():
  # import all modules here that might define models so that
  # they will be registered properly on the metadata.  Otherwise
  # you will have to import them first before calling init_db()
  import scraper.models
  Base.metadata.create_all(bind=engine)