Updated the examples to be cli based

examples/minitwit/README

@@ -14,13 +14,16 @@
          export an MINITWIT_SETTINGS environment variable
          pointing to a configuration file.
 
-      2. fire up a python shell and run this:
+      2. fire up a shell and run this:
 
-         >>> from minitwit import init_db; init_db()
+         flask --app=minitwit initdb
 
-      3. now you can run the minitwit.py file with your
-         python interpreter and the application will
-         greet you on http://localhost:5000/
+      3. now you can run minitwit:
+
+         flask --app=minitwit run
+
+         the application will greet you on
+         http://localhost:5000/
 	
     ~ Is it tested?
 

examples/minitwit/minitwit.py

@@ -49,13 +49,13 @@ def close_database(exception):
         top.sqlite_db.close()
 
 
-def init_db():
+@app.cli.command()
+def initdb():
     """Creates the database tables."""
-    with app.app_context():
-        db = get_db()
-        with app.open_resource('schema.sql', mode='r') as f:
-            db.cursor().executescript(f.read())
-        db.commit()
+    db = get_db()
+    with app.open_resource('schema.sql', mode='r') as f:
+        db.cursor().executescript(f.read())
+    db.commit()
 
 
 def query_db(query, args=(), one=False):
@@ -217,7 +217,7 @@ def register():
         if not request.form['username']:
             error = 'You have to enter a username'
         elif not request.form['email'] or \
-                 '@' not in request.form['email']:
+                '@' not in request.form['email']:
             error = 'You have to enter a valid email address'
         elif not request.form['password']:
             error = 'You have to enter a password'
@@ -248,8 +248,3 @@ def logout():
 # add some filters to jinja
 app.jinja_env.filters['datetimeformat'] = format_datetime
 app.jinja_env.filters['gravatar'] = gravatar_url
-
-
-if __name__ == '__main__':
-    init_db()
-    app.run()