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Library of utils to create REST Python Microservices

Project description

Python Microservices Library

PyPI version Build Status Coverage Status Requirements Status Updates Python 3 Total alerts Language grade: Python

PyMS, Python MicroService, is a collections of libraries, best practices and recommended ways to build microservices with Python.

To know how use, install or build a porject see the docs (TODO: add url to readthedocs)

Installation

pip install py-ms

Structure

pyms/config

Module to read yaml or json configuration from a dictionary or a path.

pyms/flask/app

With the funcion create_app initialize the Flask app, register blueprints and intialize all libraries like Swagger, database, trace system, custom logger format, etc.

pyms/flask/healthcheck

This views is usually used by Kubernetes, Eureka and other systems to check if our application is up and running.

pyms/logger

Print logger in JSON format to send to server like Elasticsearch. Inject span traces in logger.

pyms/rest_template

Encapsulate common rest operations between business services propagating trace headers if configured.

pyms/tracer

Create an injector flask_opentracing.FlaskTracer to use in our projects

Pipenv

Advantages over plain pip and requirements.txt

Pipenv generates two files: a Pipfileand a Pipfile.lock.

  • Pipfile: Is a high level declaration of the dependencies of your project. It can contain "dev" dependencies (usually test related stuff) and "standard" dependencies which are the ones you'll need for your project to function
  • Pipfile.lock: Is the "list" of all the dependencies your Pipfile has installed, along with their version and their hashes. This prevents two things: Conflicts between dependencies and installing a malicious module.

How to...

Here the most 'common' pipenv commands, for a more in-depth explanation please refer to the official documentation.

Install pipenv

pip install pipenv

Install dependencies defined in a Pipfile

pipenv install

Install both dev and "standard" dependencies defined in a Pipfile

pipenv install --dev

Install a new module

pipenv install django

Install a new dev module (usually test related stuff)

pipenv install nose --dev

Install dependencies in production

pipenv install --deploy

Start a shell

pipenv shell

Documentation

This project use MkDocs

  • mkdocs new [dir-name] - Create a new project.
  • mkdocs serve - Start the live-reloading docs server.
  • mkdocs build - Build the documentation site.
  • mkdocs help - Print this help message.

Project layout

mkdocs.yml    # The configuration file.
docs/
    index.md  # The documentation homepage.
    ...       # Other markdown pages, images and other files.

Project details


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