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A micro-framework for the OMG, and code written in Python 3.6+.

Project description

omg.py

A micro-framework for the excellent Open Microservices Guide, for suppportive code written in Python 3.6+.

Note: this is pre-release software, and is subject to improvement. Contributions are welcome! This framework is being developed for other languages, as well. If you'd like to help, let us know!

Intended / Example Usage

$ cat service.py
import omg
from uuid import uuid4

service = omg.Microservice(name='uuid')

@service.register()
def new(prefix: str) -> str:
    """Generates a UUID, with a given prefix."""
    return f'{prefix}{uuid4().hex}'

if __name__ == '__main__':
    service.serve()

register takes some optional arguments: name and path. You can also call service.add(f=new), instead.

Next, run the command $ omg-generate microservice.yml files will automatically be generated, for your application:

$ omg-generate service:service
…
'microservice.yml' written to disk!
$ cat microservice.yml
actions:
  new:
    help: Generates a UUID, with a given prefix.
    arguments:
      prefix:
        in: query
        required: true
        type: string
    http:
      method: get
      path: /new
      port: 8080
    output:
      type: string
lifecycle:
  startup:
    command:
    - python3
    - /app/service.py
omg: 1
$ cat Dockerfile
FROM kennethreitz/pipenv
COPY . /app
CMD ["python3", "service.py"]

Now, run your microservice!

$ python service.py
2019-05-09 14:45:39,342 - micro - DEBUG - Initiating 'uuid' service.
2019-05-09 14:45:39,344 - micro - DEBUG - Registering Flask endpoint: '/new'
2019-05-09 14:45:39,344 - micro - DEBUG - Dockerfile './Dockerfile' already exists!
2019-05-09 14:45:39,345 - micro - DEBUG - Microservice Manifest './microservice.yml' already exists!
2019-05-09 14:45:39,346 - micro - INFO - Serving on: '*:8080'

This will spawn a Flask application (using the production-ready waitress web server), preconfigured to serve the masses!

Or, use the omg-cli:

$ omg run new -a prefix='user-'

Installation

$ pip install omg.py

P.S. Do provide feedback, if you desire! :)

✨ 🍰 ✨

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