The document discusses using the entire technology stack, including 55 million daily pageviews. It also discusses being pragmatic by having well-defined, practical goals. Code examples are provided for Entity and UserForm classes in Python, along with a Jinja template for listing users. The document ends by providing an example Alembic revision to add a column to a database table.

1. Você usa todo o stack?

3. ~55 milhões pageviews dia

7. Pragmático é aquilo que contem considerações de ordem
prática, realista, com alvo bem definido. Ser pragmático é ser
prático é ter objetivos definidos!

19. class Entity(Base):
__tablename__ = 'entity'
id = Column(Integer, Sequence('id_seq'), primary_key=True)
name = Column(String(50))
def __init__(self, name):
self.name = name
def __repr__(self):
return "<Entity('%d', '%s')>" % (self.id, self.name)

20. class UserForm(ModelForm):
class Meta:
model = User
class UserForm(Form):
name = TextField(validators=[DataRequired(), Length(max=100)])
email = TextField(validators=[DataRequired(), Length(max=255)])

21. <title>{% block title %}{% endblock %}</title>
<ul>
{% for user in users %}
<li><a href="{{ user.url }}">{{ user.username }}</a></li>
{% endfor %}
</ul>

22. revision = '1975ea83b712'
down_revision = None
from alembic import op
import sqlalchemy as sa
def upgrade():
pass
def downgrade():
pass
def upgrade():
def downgrade():
"""
$ alembic revision -m "Add a column"
"""
revision = 'ae1027a6acf'
down_revision = '1975ea83b712'
from alembic import op
import sqlalchemy as sa
def upgrade():
op.create_table(
'account',
sa.Column('id', sa.Integer, primary_key=True),
sa.Column('name', sa.String(50), nullable=False),
sa.Column('description', sa.Unicode(200)),
)
op.drop_table('account')
op.add_column('account', sa.Column('last_transaction_date', sa.DateTime))
def downgrade():
op.drop_column('account', 'last_transaction_date')

29. ....
http://techblog.netflix.com/2013/03/python-at-netflix.html