new_contents: """init
  
  Revision ID: 4cf90c101d82
  Revises: None
  Create Date: 2016-04-12 14:31:03.123085
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '4cf90c101d82'
  down_revision = None
  
  from alembic import op
  import sqlalchemy as sa
  
  
  def upgrade():
      ### commands auto generated by Alembic - please adjust! ###
      op.create_table('user',
      sa.Column('id', sa.Integer(), nullable=False),
      sa.Column('created_at', sa.DateTime(), nullable=True),
      sa.Column('confirmed_at', sa.DateTime(), nullable=True),
      sa.Column('username', sa.String(length=64), nullable=False),
      sa.Column('nickname', sa.String(length=32), server_default='', nullable=False),
      sa.Column('mobile', sa.String(length=11), nullable=True),
      sa.Column('email', sa.String(length=128), nullable=False),
      sa.Column('password', sa.String(length=128), server_default='', nullable=False),
      sa.Column('reset_password_token', sa.String(length=128), server_default='', nullable=False),
      sa.Column('auth_token', sa.String(length=128), nullable=True),
      sa.Column('active', sa.Boolean(), server_default='0', nullable=False),
      sa.PrimaryKeyConstraint('id'),
      sa.UniqueConstraint('auth_token', name='ux_user_auth_token'),
      sa.UniqueConstraint('email', name='ux_user_email'),
      sa.UniqueConstraint('mobile', name='ux_user_mobile'),
      sa.UniqueConstraint('username', name='ux_user_username')
      )
      op.create_table('project',
      sa.Column('id', sa.Integer(), nullable=False),
      sa.Column('slug', sa.String(length=64), nullable=False),
      sa.Column('name', sa.String(length=128), nullable=False),
      sa.Column('owner_id', sa.Integer(), nullable=False),
      sa.Column('status', sa.SmallInteger(), nullable=False),
      sa.Column('created_at', sa.DateTime(), nullable=False),
      sa.Column('updated_at', sa.DateTime(), nullable=False),
      sa.ForeignKeyConstraint(['owner_id'], ['user.id'], ),
      sa.PrimaryKeyConstraint('id'),
      sa.UniqueConstraint('slug', name='ux_project_slug')
      )
      op.create_table('sender',
      sa.Column('id', sa.Integer(), nullable=False),
      sa.Column('project_id', sa.Integer(), nullable=False),
      sa.Column('slug', sa.String(length=64), nullable=False),
      sa.Column('token', sa.String(length=40), nullable=False),
      sa.Column('created_at', sa.DateTime(), nullable=False),
      sa.Column('updated_at', sa.DateTime(), nullable=False),
      sa.ForeignKeyConstraint(['project_id'], ['project.id'], ),
      sa.PrimaryKeyConstraint('id'),
      sa.UniqueConstraint('project_id', 'slug', name='ux_sender_project_and_slug')
      )
      op.create_table('topic',
      sa.Column('id', sa.Integer(), nullable=False),
      sa.Column('slug', sa.String(length=64), nullable=False),
      sa.Column('project_id', sa.Integer(), nullable=False),
      sa.Column('description', sa.String(length=255), nullable=False),
      sa.Column('created_at', sa.DateTime(), nullable=False),
      sa.Column('updated_at', sa.DateTime(), nullable=False),
      sa.ForeignKeyConstraint(['project_id'], ['project.id'], ),
      sa.PrimaryKeyConstraint('id'),
      sa.UniqueConstraint('project_id', 'slug', name='ux_topic_project_slug')
      )
      op.create_table('webhook',
      sa.Column('id', sa.Integer(), nullable=False),
      sa.Column('method_id', sa.SmallInteger(), nullable=False),
      sa.Column('topic_id', sa.Integer(), nullable=False),
      sa.Column('url', sa.String(length=1024), nullable=False),
      sa.Column('created_at', sa.DateTime(), nullable=False),
      sa.Column('updated_at', sa.DateTime(), nullable=False),
      sa.ForeignKeyConstraint(['topic_id'], ['topic.id'], ),
      sa.PrimaryKeyConstraint('id'),
      sa.UniqueConstraint('topic_id', 'url', name='ux_webhook_subscribe')
      )
      ### end Alembic commands ###
  
  
  def downgrade():
      ### commands auto generated by Alembic - please adjust! ###
      op.drop_table('webhook')
      op.drop_table('topic')
      op.drop_table('sender')
      op.drop_table('project')
      op.drop_table('user')
      ### end Alembic commands ###
  
subject: add init migration.