FastAPI

Application focused on the adoption of animals, this allows users to enter and adopt the pet you like, you can also apply to adopt the pet or be a temporary home.

Installation

1. Clone the repository

git clone https://github.com/No-Country-simulation/c19-57-n-python-react.git

2. Select branch

git chekout branch

3. Install requirements

pip install -r <paht/path>requirements.txt

4. Configure database credentials

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

engine = create_engine("mysql+pymysql://<user>:<password>@localhost/<name_database>")

localsesion = sessionmaker(autoflush=False, autocommit=False, bind=engine)

base = declarative_base()

5. Execute application

uvicorn Backend.main:main_app --reload

Application design

The application is based on the RESTful (Representational State Transfer) architectural model, which performs operations on resources:

• GET
• POST
• PUT
• DELETE

Model Database

It is an entity-relationship model

Migration in FastAPI

Make changes to the models and execute them in the database.

Install Alembic:

pip install alembic

Init Alembic:

alembic init alembic

Configure alembic.ini:

sqlalchemy.url = driver://user:password@localhost/dbname

Create a migration:

alembic revision --autogenerate -m "Cambiar nombre de columna"

Execute migration:

alembic upgrade head