from coils import user_input
from sqlalchemy import create_engine

username = user_input('Username', default='root')
password = user_input('Password', password=True)
dbname = user_input('Database name')

engine = create_engine(
    'mysql://{:}:{:}@localhost'.format(username, password),
    isolation_level='READ UNCOMMITTED'
    )
conn = engine.connect()
conn.execute('drop database {:}'.format(dbname))
conn.close()

"""Add a timestamp."""

from coils import user_input, Config
from sqlalchemy import create_engine, Column, DateTime, Integer
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker

config = Config('wabbit.cfg')

# Connect to database engine and start a session.
dbname = user_input('Database name', default=config['db_name'])
user1 = user_input('Username', default=config['username'])
pass1 = user_input('Password', default=config['password'])
host = user_input('Host', default=config['host'])
engine = create_engine('mysql://{:}:{:}@{:}/{:}'.format(user1, pass1, host, dbname))
conn = engine.connect()
Session = sessionmaker(bind=engine)
session = Session()

# Declare a mapping.
Base = declarative_base()
class Image(Base):
     __tablename__ = 'images'

     id = Column(Integer, primary_key=True)
     tstamp = Column(DateTime())

     def __init__(self, tstamp):
         self.tstamp = tstamp

     def __repr__(self):
        return "<Image('{:}')>".format(self.tstamp)

# Create the table.
Base.metadata.create_all(engine)

# Create the object.
import datetime
image1 = Image(datetime.datetime.now())

# Persist the object.
session.add(image1)

# Commit the transaction.
session.commit()

# Close the session.
conn.close()

Add timestamp upon each run.
Add timestamp upon each run.

+ """Add a timestamp."""
- from coils import user_input
- from sqlalchemy import create_engine
  
- username = user_input('Username', default='root')
- password = user_input('Password', password=True)
- dbname = user_input('Database name')
+ from coils import user_input, Config
+ from sqlalchemy import create_engine, Column, DateTime, Integer
+ from sqlalchemy.ext.declarative import declarative_base
+ from sqlalchemy.orm import sessionmaker
  
- engine = create_engine(
-     'mysql://{:}:{:}@localhost'.format(username, password),
-     isolation_level='READ UNCOMMITTED'
-     )
+ config = Config('wabbit.cfg')
+ 
+ # Connect to database engine and start a session.
+ dbname = user_input('Database name', default=config['db_name'])
+ user1 = user_input('Username', default=config['username'])
+ pass1 = user_input('Password', default=config['password'])
+ host = user_input('Host', default=config['host'])
+ engine = create_engine('mysql://{:}:{:}@{:}/{:}'.format(user1, pass1, host, dbname))
  conn = engine.connect()
- conn.execute('drop database {:}'.format(dbname))
+ Session = sessionmaker(bind=engine)
+ session = Session()
+ 
+ # Declare a mapping.
+ Base = declarative_base()
+ class Image(Base):
+      __tablename__ = 'images'
+ 
+      id = Column(Integer, primary_key=True)
+      tstamp = Column(DateTime())
+ 
+      def __init__(self, tstamp):
+          self.tstamp = tstamp
+ 
+      def __repr__(self):
+         return "<Image('{:}')>".format(self.tstamp)
+ 
+ # Create the table.
+ Base.metadata.create_all(engine)
+ 
+ # Create the object.
+ import datetime
+ image1 = Image(datetime.datetime.now())
+ 
+ # Persist the object.
+ session.add(image1)
+ 
+ # Commit the transaction.
+ session.commit()
+ 
+ # Close the session.
  conn.close()
  
Add timestamp upon each run.
## Code Before:
from coils import user_input
from sqlalchemy import create_engine

username = user_input('Username', default='root')
password = user_input('Password', password=True)
dbname = user_input('Database name')

engine = create_engine(
    'mysql://{:}:{:}@localhost'.format(username, password),
    isolation_level='READ UNCOMMITTED'
    )
conn = engine.connect()
conn.execute('drop database {:}'.format(dbname))
conn.close()

## Instruction:
Add timestamp upon each run.
## Code After:
"""Add a timestamp."""

from coils import user_input, Config
from sqlalchemy import create_engine, Column, DateTime, Integer
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker

config = Config('wabbit.cfg')

# Connect to database engine and start a session.
dbname = user_input('Database name', default=config['db_name'])
user1 = user_input('Username', default=config['username'])
pass1 = user_input('Password', default=config['password'])
host = user_input('Host', default=config['host'])
engine = create_engine('mysql://{:}:{:}@{:}/{:}'.format(user1, pass1, host, dbname))
conn = engine.connect()
Session = sessionmaker(bind=engine)
session = Session()

# Declare a mapping.
Base = declarative_base()
class Image(Base):
     __tablename__ = 'images'

     id = Column(Integer, primary_key=True)
     tstamp = Column(DateTime())

     def __init__(self, tstamp):
         self.tstamp = tstamp

     def __repr__(self):
        return "<Image('{:}')>".format(self.tstamp)

# Create the table.
Base.metadata.create_all(engine)

# Create the object.
import datetime
image1 = Image(datetime.datetime.now())

# Persist the object.
session.add(image1)

# Commit the transaction.
session.commit()

# Close the session.
conn.close()
