zpy-api-core 2.3.0

Helper layer for backend application development to Aws Lambda

ZPy Core, Layer for build microservices

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ZPy Core

Zurck'z Py Flask Micro Services Core

This package contains some helpers features for build python microservices using Flask framework

ZPy use the following packages:

• Flask
• marshmallow
• marshmallow_objects
• requests
• aws-lambda-wsgi

Requirements

• Python 3.6+

Installation

Use the package manager pip to install py flask micro service core .

pip install zpy-api-core

Features

Contains some helper features.

• Api
  • Api Builder
  • Response Builder
  • Models
  • Hooks
  • Middlewares
  • Exceptions
• Cloud Implementations
  • Aws Handler decorators
  • See: AWS Package
• CLI
  • DDD Project structure generator
  • Bounded Context Generator
  • UseCases generator
• Database
  • See: SQL Oracle & MySQL
• Logger
  • Stream
• Utils
  • Collections
    • element finder
  • Dates
    • Time zones
    • Transforms
  • Ciphers
    • See: Crypto Wrappers
  • Functions
  • Parallel
    • map parallel
    • run parallel
  • Objects
  • gzip

Basic Usage

Generate project using zpy CLI

# Generate project with basic information. for more type: zpy --help
zpy make -p awesome-api -d "My awsome users api" -c Users -uc UserSearcher -op
...

cd awesome-api

zpy will generate the project with the following structure

awesome-api
│   .env
│   .gitignore
│   CHANGELOG.md
│   CHANGELOG.md
│   README.md
│   requirements.txt    
│
└───src
│   │   di.py
│   │   handler.py
│   │   local_deploy.py
│   │
│   └───┬api
│       │   routes.py
│       │   ...
│       └contexts
│       │   ...
│       └───users
│         │   ...
│         └───┬application
│         │   │ ...
│         └───┬domain
│         │   │ ...
│         └───┬infraestructure
│             │ ...
└───tests
    │   user_searcher_test.py    

Dependencies file

# 🛸 Generated by zPy
from zpy.utils import get_env_or_throw as var
from zpy.app.usecase import UseCase
from typing import Any

# * Setup Dependencies 📃
from contexts.users.domain.repositories import UserRepository
from contexts.users.infraestructure.payment_repository import AwesomeUserRepository
from contexts.users.application.user_searcher import UserSearcher

repository: UserRepository = AwesomeUserRepository()

# Setup UseCases

user_searcher_uc: UseCase[Any, None] = UserSearcher(repository)
print("🚀 Dependencies loaded successfully...")

routes.py

# 🛸 Generated by zPy
from di import user_searcher_uc
from flask import Flask
from zpy.api.http.response import response_builder
from zpy.api.flask import create_app

app: Flask = create_app()


@app.route("/api/users", methods=["GET"])
@response_builder
def users():
    return user_searcher_uc.execute(None)

Use Case

# 🛸 Generated by zPy
from typing import Any

from zpy.app.usecase import UseCase

from ..domain.repositories import UserRepository


class UserSearcher(UseCase[Any, Any]):
    """
        Use Case description.
    """

    def __init__(self, repository: PaymentRepository) -> None:
        self.repository = repository

    def execute(self, data: Any, *args, **kwargs) -> None:
        # TODO Do magic with business rules 😁
        return self.repository.user_searcher(data)

Local Dev Deploy

# 🛸 Generated by zPy
from dotenv import load_dotenv

load_dotenv(
    dotenv_path="|3:\\projects\\demos\\awesome-api\\.env"
)

from api.routes import app

if __name__ == "__main__":
    app.run(host="127.0.0.1", port=5050, debug=True)

handler.py configure for aws lambda and api gateway

# 🛸 Generated by zPy
from zpy.api.cloud_handlers import aws_lambda

from api.routes import app
import aws_lambda_wsgi as awsgi


@aws_lambda()
def handle(event: dict, context: dict) -> any:
    return awsgi.response(app, event, context)

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

License

MIT

Authors

Noé Cruz