Flask 随记

python 2.x 中使用 virtualenv

virtualenv venv
(windows: venvScriptsactivate)  (linux: source venv/bin/activate)

deactivate

python 3.x 使用内置

py -3 -m venv venv
venvScriptsactivate.bat

deactivae

fake logic

app.run(host='0.0.0.0', port=5000, debug=True)

templates

create link between pages  （url_for)

form

css form

validate form

post-redirect-get pattern

flask-wtf wtf-form

session 

error handling

flask mail

app.config['MAIL_SERVER'] = 'smtp.163.com'
app.config['MAIL_PORT'] = '25'
app.config['MAIL_USERNAME'] = <username>
app.config['MAIL_PASSWORD'] = <password>
app.config['MAIL_USE_TLS'] = True
app.config['FLASKY_MAIL_SUBJECT_PREFIX'] = '[Flasky]'
app.config['FLASKY_MAIL_SENDER'] = 'Flasky Admin <yt8449960@163.com>'

debug 使用

• Databases
• Authentication
• HTML/CSS 
• Structure for large applications
• API (REST API)
• Rich client applications (Angular, Ember, React, etc.)
• Unit Testing
• Logging
• Beyond HTTP: WebSocket
• Deployment