run_apiviz.py

# -*- encoding: utf-8 -*-

import os
import click 

### set environment variable 
# os.environ['FLASK_CONFIGURATION'] = "default" # "testing" / "production"
### change environment var to "production" for debugging
# os.environ['FLASK_CONFIGURATION'] = "production"


# from app import app

debug = True




@click.command()
@click.option('--mode', 	default="default", 		nargs=1,	help="The <mode> you need to run the app : default, testing, preprod, production" )
@click.option('--host', 	default="localhost", 	nargs=1,	help="The <host> name you want the app to run on : <IP_NUMBER> " )
@click.option('--port', 	default="8100", 			nargs=1,	help="The <port> number you want the app to run on : <PORT_NUMBER>")
@click.option('--https', 	default="false", 			nargs=1,	help="The <https> mode you want the app to run on : true | false")
def app_runner(mode, host, port, https) :
	"""
	app_runner

	"""

	print "= "*50
	print "= = = RERUN FLASK APP FROM APP RUNNER = = ="
	print "= "*50


	### WARNING : CLIck will treat every input as string as defaults values are string too
	print "\n=== CUSTOM CONFIG FROM CLI ===\n"
	print "=== mode 	: ", mode
	print "=== host 	: ", host
	print "=== port 	: ", port
	print "=== https 	: ", https

	if https == "true" : 
		http_mode = "https"
	else : 
		http_mode = "http"

	### apply / overwrites host configuration
	if mode != "default" : 
		print "=== mode : ", mode
		os.environ["FLASK_CONFIGURATION"] = str(mode)
		config_name = os.getenv('FLASK_CONFIGURATION', 'default') ### 'default' for local dev
		print "=== config_name : ", config_name

	### SET UP ENV VARS FROM CLI 
	os.environ["DOMAIN_ROOT"]	= host
	os.environ["DOMAIN_PORT"]	= port
	os.environ["SERVER_NAME"]	= host + ":" + port
	os.environ["DOMAIN_NAME"]	= http_mode + "://" + host + ":" + port

	### create app by importing app.__init__
	from app import app

	### simple flask runner
	app.run( debug=debug, host=host, port=port, threaded=True )



if __name__ == '__main__':
	""" 
	runner for the CIS front Flask app 
	- gets most of its variables at start from environment variables
	- 

	in command line just type : 
	"python run_apiviz.py"

	"""

	app_runner()