Mobile Middleware utilities for Turbogears 2 detects mobile browsers
About Mobile Middleware
Mobile Middleware is a middleware for WSGI applications.
Thought to be used on TurboGears 2 applications it detects mobile browser and provides a way to detect and react to them. Detection expression can be customized and action can change from plain detection to exposing a specific custom template for mobile requests
You will be able to see if your request is coming from a mobile browser with:
from tg import request request.is_mobile
tgext.mobilemiddleware can be installed both from pypi or from bitbucket:
should just work for most of the users
Enabling Mobile Agents Detection
In your application config/middleware.py import MobileMiddleware:
from tgext.mobilemiddleware import MobileMiddleware
Change your make_app method:
app = make_base_app(global_conf, full_stack=True, **app_conf) return MobileMiddleware(app, app_conf)
Exposing Mobile Templates
tgext.mobilemiddleware implements a @expose_mobile decorator that works like @expose TurboGears2 decorator which can be used to specify which template to expose for mobile requests.
This will work by switching the template before rendering the view if the request is detected to be from a mobile browser. @expose_mobile supports the same template naming convention that @expose uses and can accept any rendering engine that has been registered in TurboGears by specifying it as engine:module.template_name
@expose('app.templates.index') @expose_mobile('app.templates.mobile.index') def index(self, *args, **kw): return dict()
Customizing User Agents Detection
If you want to quickly customize the regular expression used to detect the mobile browser you can define mobile.agents configuration variable in your application config file and set it to the regular expression that you want to use.
For more complex customizations, you may create your own subclass of DetectMobileBrowser, or callable object and supply it as an argument to MobileMiddleware, like:
return MobileMiddleware(app, app_conf, mobile_browser_detector=YourClass)
DetectMobileBrowser behaviour can be changed by any subclass by overridding the DetectMobileBrowser.perform_detection method. If user has defined a custom regular expression it will be available inside the perform_detection method as self.custom_mobile_re
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