Flask decorator to mark pages as deprecated with visual warnings
Project description
deprecated-decorator-flask
A Flask decorator to mark pages as deprecated with visual warnings and HTTP headers.
Installation
pip install deprecated-decorator-flask
Usage
from flask import Flask
from deprecated_decorator_flask import deprecated
app = Flask(__name__)
# Basic usage
@app.route('/old-page')
@deprecated
def old_page():
return "<html><body><h1>Old Page</h1></body></html>"
# With custom message
@app.route('/old-page2')
@deprecated(message="Use /new-page instead.")
def old_page2():
return "<html><body><h1>Old Page 2</h1></body></html>"
# With sunset date
@app.route('/old-page3')
@deprecated(message="Use /new-page instead.", sunset="2025-09-01")
def old_page3():
return "<html><body><h1>Old Page 3</h1></body></html>"
Features
- Visual Warning: Adds a blinking red border around the page and a sticky warning banner
- HTTP Headers: Adds
Deprecation,X-Deprecated-Message, andSunsetheaders - Metadata: Decorated functions get
_deprecated,_deprecated_message, and_deprecated_sunsetattributes
License
MIT
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