8c57553ada
Implemented dark mode across all pages, allowing users to toggle between light and dark themes. The default theme is determined by the operating system or browser settings. A toggle button in the navigation bar enables users to switch themes, using sun and moon icons from Font Awesome. User preferences are stored in cookies and local storage to ensure consistency across sessions and pages. The changes include: - Added a before_request function to load theme preference from cookies or set a default based on user agent. - Updated CSS to support dark mode styling. - Modified base.html to include a theme toggle button and corresponding JavaScript for theme switching. Fixes #FLAS-2
60 lines
1.8 KiB
Python
60 lines
1.8 KiB
Python
import os
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from flask import Flask, request, g
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def create_app(test_config=None):
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"""Create and configure an instance of the Flask application."""
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# app = Flask(__name__, instance_relative_config=True)
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app = Flask(__name__, instance_path='/tmp')
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app.config.from_mapping(
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# a default secret that should be overridden by instance config
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SECRET_KEY="dev",
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# store the database in the instance folder
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DATABASE=os.path.join(app.instance_path, "flaskr.sqlite"),
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)
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if test_config is None:
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# load the instance config, if it exists, when not testing
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app.config.from_pyfile("config.py", silent=True)
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else:
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# load the test config if passed in
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app.config.update(test_config)
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# ensure the instance folder exists
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try:
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os.makedirs(app.instance_path)
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except OSError:
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pass
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@app.route("/hello")
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def hello():
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return "Hello, World!"
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@app.before_request
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def load_theme_preference():
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theme = request.cookies.get('theme')
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if theme:
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g.theme = theme
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else:
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g.theme = 'dark' if request.user_agent.platform in ['android', 'iphone'] and request.user_agent.browser in ['chrome', 'safari'] and request.user_agent.string.find('DarkMode') != -1 else 'light'
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# register the database commands
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from . import db
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db.init_app(app)
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# apply the blueprints to the app
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from . import auth
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from . import blog
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app.register_blueprint(auth.bp)
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app.register_blueprint(blog.bp)
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# make url_for('index') == url_for('blog.index')
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# in another app, you might define a separate main index here with
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# app.route, while giving the blog blueprint a url_prefix, but for
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# the tutorial the blog will be the main index
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app.add_url_rule("/", endpoint="index")
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return app
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