the application was rewritten a bit to be more testable

api/__init__.py

@@ -1,48 +1 @@
-from flask import Flask, jsonify, Response, request
-from flask_sqlalchemy import SQLAlchemy
-from esales.cluster import Cluster
-
-app = Flask(__name__)
-app.config.from_object('config')
-
-
-def on_404(e):
-    return jsonify(dict(error='Not found')), 404
-
-app.errorhandler(404)(on_404)
-
-# SQLAlchemy
-db = SQLAlchemy(app)
-
-# eSales
-esales = Cluster(app.config.get("ESALES_URL"))
-
-from api.views import designers, categories
-app.register_blueprint(designers.mod)
-app.register_blueprint(categories.mod)
-
-
-def check_authentication():
-    auth = request.authorization
-    if not auth:
-        return False
-    return auth.username in app.config.get("API_KEYS")
-
-
-@app.before_request
-def authenticate():
-    if not check_authentication():
-        return Response(
-            'No valid API key provided', 401,
-            {'WWW-Authenticate': 'Basic realm="Login Required"'}
-        )
-
-
-@app.route("/")
-def index():
-    data = {
-        "info": {
-            "api_version": "0.0.1"
-        }
-    }
-    return jsonify(data)
+from .core import *

api/core.py

@@ -0,0 +1,30 @@
+from flask import Flask, jsonify, Response, request
+from flask_sqlalchemy import SQLAlchemy
+from api.extensions.esales import Esales
+from api.helpers import check_api_key
+
+db = SQLAlchemy()
+esales = Esales()
+
+def create_app(config_name='config'):
+    app = Flask(__name__)
+    app.config.from_object(config_name)
+
+    db.init_app(app)
+    esales.init_app(app)
+
+    # register errors handlers
+    @app.errorhandler(404)
+    def on_404(e):
+        return jsonify(dict(error='Not found')), 404
+
+    # register blueprints
+    from api.views import server, designers, categories
+    app.register_blueprint(server.mod)
+    app.register_blueprint(designers.mod)
+    app.register_blueprint(categories.mod)
+
+    # authentication
+    app.before_request(check_api_key)
+
+    return app

api/extensions/esales.py

@@ -0,0 +1,12 @@
+from esales.cluster import Cluster
+
+class Esales(object):
+
+    def __init__(self, app=None):
+        self.cluster = Cluster()
+
+        if app:
+            self.init_app(app)
+
+    def init_app(self, app):
+        self.cluster.url = app.config.get('ESALES_URL')

api/helpers.py

@@ -1,7 +1,19 @@
 # coding=UTF-8
+from flask import request, current_app, Response
 import unidecode
 import re
 
+def check_api_key():
+    api_keys = current_app.config.get("API_KEYS")
+    if not api_keys:
+        return
+    auth = request.authorization
+    if not auth or not auth.username in api_keys:
+        return Response(
+            'No valid API key provided', 401,
+            {'WWW-Authenticate': 'Basic realm="Login Required"'}
+        )
+
 
 def slugify(text):
     """Converts a string to a human-readable url"""

api/tasks/esales.py

@@ -1,5 +1,5 @@
 # coding=utf-8
-from api import app
+from flask import current_app
 from api.models.locale import Locale
 from esales.models import Category, CategoryTree
 from esales.utils import ImportFile
@@ -25,7 +25,7 @@ def update_designer(designer):
         tree.add_category(category)
         importfile.add_operation("update", tree)
 
-    directory = app.config.get("ESALES_IMPORT_DIR")
+    directory = current_app.config.get("ESALES_IMPORT_DIR")
     importfile.write(directory)
 
 
@@ -46,5 +46,5 @@ def update_category(category):
         ))
         importfile.add_operation("update", tree)
 
-    directory = app.config.get("ESALES_IMPORT_DIR")
+    directory = current_app.config.get("ESALES_IMPORT_DIR")
     importfile.write(directory)

api/views/server.py

@@ -0,0 +1,11 @@
+from flask import Blueprint, jsonify
+
+mod = Blueprint('server', __name__, url_prefix='/')
+
+@mod.route("/", methods=["GET"])
+def status():
+    data = {
+        'version': '0.0.1',
+        'status': 'ok'
+    }
+    return jsonify(data)