Use the standard debug flag.

CHANGES.txt

@@ -1 +1,2 @@
+v1.1, 2017-01-11 -- Use standard debug flag.
 v1.0, 2016-12-20 -- Initial release.

README.md

@@ -5,11 +5,11 @@ only the authentication subsystem is supported.
 
 The extension works in two modes: development and production.
 In development, there is no communication with the Firebase
-system, accounts sign-in with a simple email form.
+system, accounts sign-in with a simple email form. The mode
+depends on the `Flask.debug` variable.
 
 ## Configuration
 
-- `FIREBASE_DEVELOPMENT`: `TRUE` or `FALSE` (default)
 - `FIREBASE_API_KEY`: The API key.
 - `FIREBASE_PROJECT_ID`: The project identifier, eg. `foobar`.
 - `FIREBASE_AUTH_SIGN_IN_OPTIONS`: Comma-separated list of enabled providers.

flask_firebase/__init__.py

@@ -42,11 +42,11 @@ class FirebaseAuth:
     }
 
     def __init__(self, app=None):
+        self.debug = None
         self.api_key = None
         self.project_id = None
         self.provider_ids = None
         self.server_name = None
-        self.development = None
         self.production_load_callback = None
         self.development_load_callback = None
         self.unload_callback = None
@@ -60,8 +60,8 @@ def __init__(self, app=None):
 
     def init_app(self, app):
         app.extensions['firebase_auth'] = self
-        self.development = app.config.get('FIREBASE_DEVELOPMENT', False)
-        if self.development:
+        self.debug = app.debug
+        if self.debug:
             return
         self.api_key = app.config['FIREBASE_API_KEY']
         self.project_id = app.config['FIREBASE_PROJECT_ID']
@@ -87,7 +87,7 @@ def unloader(self, callback):
 
     def url_for(self, endpoint, **values):
         full_endpoint = 'firebase_auth.{}'.format(endpoint)
-        if self.development:
+        if self.debug:
             return url_for(full_endpoint, **values)
         else:
             return url_for(
@@ -98,7 +98,7 @@ def url_for(self, endpoint, **values):
 
     def widget(self):
         next_ = self.verify_redirection()
-        if self.development:
+        if self.debug:
             if request.method == 'POST':
                 self.development_load_callback(request.form['email'])
                 return redirect(next_)
@@ -110,7 +110,7 @@ def widget(self):
                 firebase_auth=self)
 
     def sign_in(self):
-        assert not self.development
+        assert not self.debug
         header = jwt.get_unverified_header(request.data)
         with self.lock:
             self.refresh_keys()

setup.py

@@ -2,7 +2,7 @@
 
 setup(
     name='Flask-Firebase',
-    version='1.0',
+    version='1.1',
     description='Google Firebase integration for Flask',
     packages=['flask_firebase'],
     include_package_data=True,