app.py

#!/usr/bin/env python3

from flask import Flask
from flask_compress import Compress
from flask_cors import CORS
from flasgger import Swagger

import logging

from config import get_config_by_env_mode, ProductionConfig
from api import configure_routes, configure_error_handlers


def configure_api(config=ProductionConfig()):
    api = Flask(__name__)

    # Compress each response which content-length > 600
    Compress(api)

    # Enable CORS headers on each api routes
    CORS(api, allow_headers="Content-Type")

    config.init_dirs()

    _configure_api_doc(api, config)

    configure_routes(api, config)

    configure_error_handlers(api, config)

    return api


def _configure_api_logging(api, config):
    if log_to_stdout:
        stream_handler = logging.StreamHandler()
        logging.root.addHandler(stream_handler)
    else:
        os.makedirs(LOG_DIR, exist_ok=True)
        logging.info("%s.log" % log_instance)
        formatter = RequestFormatter(
            "[%(asctime)s] %(remote_addr)s requested %(url)s\n"
            "%(levelname)s in %(pathname)s: %(message)s"
        )

        my_file_handler.setFormatter(
            logging.Formatter(
                "%(asctime)s  %(remote_addr)s requested %(url)s\n%(levelname)s:[in :%(lineno)d] %(message)s "
            )
        )
        logging.root.addHandler(my_file_handler)

    logging.root.setLevel(logging.INFO)
    logging.root.info("[Config] Logging : DONE ")


def _configure_api_doc(api, config):
    import json, collections

    # Customize default configurations
    swagger_config = {
        "headers": [],
        "specs": [
            {
                "endpoint": "/spec",
                "route": "/spec",
                "rule_filter": lambda rule: True,  # all in
                "model_filter": lambda tag: True,  # all in
            }
        ],
        "static_url_path": "/flasgger_static",
        # "static_folder": "static",  # must be set by user
        "swagger_ui": True,
        "specs_route": "/",
    }

    swag_spec = Swagger(
        api, config=swagger_config, template_file="api/swagger/template_api_info.yml"
    )

    return swag_spec


if __name__ == "__main__":
    Config = get_config_by_env_mode()
    app = configure_api(Config)
    app.run(debug=Config.DEBUG, host="0.0.0.0")