我正试图在heroku上运行一个简单的应用程序,但是由于我不完全理解的原因,当我推送并尝试在heroko上运行时,应用程序没有被下面的代码定义。当我在本地运行此代码时,使用
python myApp.py
.I得到“未定义应用程序”。看来我需要申报
app = Flask(__name__)
在createapp方法之外。我从烧瓶用户文档中得到了这个代码。我如何让它工作,以便我可以在create_app方法中定义app,以便与heroku一起运行?
我的要求如下,这里可能不会全部使用:
['babel==2.2.0', 'bcrypt==2.0.0', 'blinker==1.4', 'cffi==1.5.0', 'flask-babel==0.9',
'flask-login==0.3.2', 'flask-mail==0.9.1', 'flask-sqlalchemy==2.1', 'flask-user==0.6.8',
'flask-wtf==0.12', 'flask==0.10.1', 'gunicorn==19.4.1', 'itsdangerous==0.24',
'jinja2==2.8', 'markupsafe==0.23', 'mysql-python==1.2.5', 'mysql==0.0.1',
'passlib==1.6.5', 'pip==7.1.2', 'pycparser==2.14', 'pycrypto==2.6.1',
'pymysql==0.7.1', 'pytz==2015.7', 'setuptools==18.3.1', 'six==1.10.0',
'speaklater==1.3', 'sqlalchemy==1.0.11', 'vboxapi==1.0', 'virtualenv==13.1.2',
'werkzeug==0.11.3', 'wheel==0.24.0', 'wtforms==2.1']
import os
from flask import Flask, redirect, render_template_string, request, url_for
from flask_babel import Babel
from flask_mail import Mail
from flask_sqlalchemy import SQLAlchemy
from flask_user import confirm_email_required, current_user, login_required, UserManager, UserMixin, SQLAlchemyAdapter
# Use a Class-based config to avoid needing a 2nd file
# os.getenv() enables configuration through OS environment variables
class ConfigClass(object):
....
def create_app(test_config=None): # For automated tests
# Setup Flask and read config from ConfigClass defined above
app = Flask(__name__)
app.config.from_object(__name__+'.ConfigClass')
# Load local_settings.py if file exists # For automated tests
try: app.config.from_object('local_settings')
except: pass
# Load optional test_config # For automated tests
if test_config:
app.config.update(test_config)
# Initialize Flask extensions
mail = Mail(app) # Initialize Flask-Mail
db = SQLAlchemy(app) # Initialize Flask-SQLAlchemy
# Define the User data model. Make sure to add flask.ext.user UserMixin!!
class User(db.Model, UserMixin):
....
# Define the Role data model
class Role(db.Model):
....
# Define the UserRoles data model
class UserRoles(db.Model):
....
db_adapter = SQLAlchemyAdapter(db, User)
user_manager = UserManager(db_adapter, app)
@app.route('/')
def home_page():
return render_template_string(....)
return app
# Start development web server
if __name__=='__main__':
app = create_app()
app.run(host='0.0.0.0', port=8080, debug=True)
