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Padrões de arquitetura com Python
book

Padrões de arquitetura com Python

by Harry Percival, Bob Gregory
April 2025
Intermediate to advanced
304 pages
7h 41m
Portuguese (Portugal, Brazil)
O'Reilly Media, Inc.
Content preview from Padrões de arquitetura com Python

Apêndice D. Padrões de Repositório e Unidade de Trabalho com Django

Supõe que querias usar Django em vez de SQLAlchemy e Flask. Como é que as coisas vão ficar? A primeira coisa é escolher onde instalar o Django. Nós o colocamos em um pacote separado próximo ao nosso código de alocação principal:

├── src
│   ├── allocation
│   │   ├── __init__.py
│   │   ├── adapters
│   │   │   ├── __init__.py
...
│   ├── djangoproject
│   │   ├── alloc
│   │   │   ├── __init__.py
│   │   │   ├── apps.py
│   │   │   ├── migrations
│   │   │   │   ├── 0001_initial.py
│   │   │   │   └── __init__.py
│   │   │   ├── models.py
│   │   │   └── views.py
│   │   ├── django_project
│   │   │   ├── __init__.py
│   │   │   ├── settings.py
│   │   │   ├── urls.py
│   │   │   └── wsgi.py
│   │   └── manage.py
│   └── setup.py
└── tests
    ├── conftest.py
    ├── e2e
    │   └── test_api.py
    ├── integration
    │   ├── test_repository.py
...
Dica

O código para este apêndice está no ramo appendix_django no GitHub:

git clone https://github.com/cosmicpython/code.git
cd code
git checkout appendix_django

Padrão de repositório com Django

Utilizámos um plug-in chamadopytest-django para ajudar na gestão da base de dados de teste.

Reescrever o primeiro teste do repositório foi uma mudança mínima - apenas reescreveste algum SQL bruto com uma chamada à linguagem Django ORM/QuerySet:

Primeiro teste do repositório adaptado (tests/integration/test_repository.py)

from djangoproject.alloc import models as django_models


@pytest.mark.django_db ...
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Publisher Resources

ISBN: 9798341642096