Merge pull request #5 from riquellopes/master

Support to define cache type

README.md

@@ -61,3 +61,7 @@ Flask-Common automatically configures [WhiteNoise](http://whitenoise.evans.io) t
     app.config['COMMON_POWERED_BY_DISABLED'] = 1
     app.config['COMMON_PROCESSED_TIME_DISABLED'] = 1
 
+## Cache configures
+ By default *simple* is a default cache type. But can you change this options, following below steps. [Flask-Cache](https://pythonhosted.org/Flask-Cache/#configuring-flask-cache)
+
+    app.config['COMMON_CACHE_TYPE'] = "simple"

flask_common.py

@@ -37,11 +37,12 @@ except ImportError:
 # --------------
 
 def number_of_gunicorn_workers():
-    if not 'WEB_CONCURRENCY' in os.environ:
+    if 'WEB_CONCURRENCY' not in os.environ:
         return (multiprocessing.cpu_count() * 2) + 1
     else:
         return os.environ['WEB_CONCURRENCY']
 
+
 class WSGIApp(Application):
 
     def __init__(self, application, options={}):
@@ -66,11 +67,12 @@ class WSGIApp(Application):
     def load(self):
         """ Attempt an import of the specified application """
 
-        if isinstance(self.application,str):
+        if isinstance(self.application, str):
             return util.import_app(self.application)
         else:
             return self.application
 
+
 class GunicornServer(object):
 
     def __init__(self, app, **options):
@@ -105,13 +107,13 @@ class Common(object):
         app.extensions['common'] = self
         self.app = app
 
-        if not 'COMMON_FILESERVER_DISABLED' in app.config:
-            with app.test_request_context() as c:
+        if 'COMMON_FILESERVER_DISABLED' not in app.config:
+            with app.test_request_context():
 
                 # Configure WhiteNoise.
                 app.wsgi_app = WhiteNoise(app.wsgi_app, root=url_for('static', filename='')[1:])
 
-        self.cache = Cache(app, config={'CACHE_TYPE': 'simple'})
+        self.cache = Cache(app, config={'CACHE_TYPE': app.config.get("COMMON_CACHE_TYPE", 'simple')})
 
         @app.before_request
         def before_request_callback():
@@ -119,9 +121,9 @@ class Common(object):
 
         @app.after_request
         def after_request_callback(response):
-            if not 'COMMON_POWERED_BY_DISABLED' in current_app.config:
+            if 'COMMON_POWERED_BY_DISABLED' not in current_app.config:
                 response.headers['X-Powered-By'] = 'Flask'
-            if not 'COMMON_PROCESSED_TIME_DISABLED' in current_app.config:
+            if 'COMMON_PROCESSED_TIME_DISABLED' not in current_app.config:
                 response.headers['X-Processed-Time'] = maya.now().epoch - request.start_time.epoch
             return response
 
@@ -129,7 +131,6 @@ class Common(object):
         def favicon():
             return redirect(url_for('static', filename='favicon.ico'), code=301)
 
-
     def serve(self, workers=None, **kwargs):
         """Serves the Flask application."""
         if self.app.debug:
@@ -140,6 +141,7 @@ class Common(object):
             print(crayons.yellow('Booting Gunicorn...'))
 
             # Start the web server.
-            server = GunicornServer(self.app, workers=workers or number_of_gunicorn_workers(), worker_class='egg:meinheld#gunicorn_worker', **kwargs)
+            server = GunicornServer(
+                self.app, workers=workers or number_of_gunicorn_workers(),
+                worker_class='egg:meinheld#gunicorn_worker', **kwargs)
             server.run()
-