Get basic debug Flask application working

Now I can serve up an API endpoint that indicates the version. yay

bin/vanth

@@ -0,0 +1,9 @@
+#!/usr/bin/env python3
+import vanth.main
+
+
+def run():
+    vanth.main.main()
+
+if __name__ == '__main__':
+	run()

setup.py

@@ -99,6 +99,8 @@ def main():
         },
         install_requires     = [
             'chryso==1.3',
+            'Flask==0.10.1',
+            'flask-login==0.3.2',
             'sepiida==5.27',
         ],
         extras_require       = {

vanth/api/about.py

@@ -0,0 +1,18 @@
+import json
+
+import flask
+import sepiida.endpoints
+import sepiida.fields
+
+from vanth.version import VERSION
+
+
+class About(sepiida.endpoints.APIEndpoint):
+    ENDPOINT = "/about/"
+    SIGNATURE = sepiida.fields.JSONObject(s={
+        'version'   : sepiida.fields.String()
+    })
+    PUBLIC_METHODS = ['list']
+    @staticmethod
+    def list():
+        return flask.make_response(json.dumps({'version': VERSION}), 200)

vanth/config.py

@@ -0,0 +1,9 @@
+import sepiida.config
+
+SPECIFICATION = {
+    'api_token'             : sepiida.config.Option(str, 'api_token'),
+    'secret_key'            : sepiida.config.Option(str, 'some-secret-key'),
+    'session_cookie_domain' : sepiida.config.Option(str, None),
+    'db'                    : sepiida.config.Option(str, 'postgres://vanth_dev:letmein@localhost:5432/vanth_test'),
+    'debug'     : sepiida.config.Option(bool, True),
+}

vanth/main.py

@@ -0,0 +1,34 @@
+import logging
+import os
+
+import chryso.connection
+import sepiida.config
+import sepiida.log
+
+import vanth.config
+import vanth.server
+import vanth.tables
+
+LOGGER = logging.getLogger(__name__)
+
+def create_application(config):
+    sepiida.log.setup_logging()
+    engine = chryso.connection.Engine(config.db, vanth.tables)
+    chryso.connection.store(engine)
+
+    LOGGER.info("Starting up vanth version %s", vanth.version.VERSION)
+    application = vanth.server.create_app(config)
+    return application
+
+def main():
+    logging.getLogger().setLevel(logging.DEBUG)
+    logging.basicConfig()
+
+    config = sepiida.config.load('/etc/vanth.yaml', vanth.config.SPECIFICATION)
+    application = create_application(config)
+    try:
+        host = os.getenv('HOST', 'localhost')
+        port = int(os.getenv('PORT', 4545))
+        application.run(host, port)
+    except KeyboardInterrupt:
+        LOGGER.info('Shutting down')

vanth/server.py

@@ -0,0 +1,21 @@
+from flask import Flask
+from flask_uuid import FlaskUUID
+from sepiida import endpoints
+
+import vanth.api.about
+
+
+def create_app(config):
+    app = Flask('vanth')
+
+    FlaskUUID(app)
+    app.config.update(
+        API_TOKEN                 = config.api_token,
+        DEBUG                     = config.debug,
+        SECRET_KEY                = config.secret_key,
+        SESSION_COOKIE_DOMAIN     = config.session_cookie_domain,
+    )
+
+    endpoints.add_resource(app, vanth.api.about.About,               endpoint='about')
+
+    return app