55 lines
1.5 KiB
Python
55 lines
1.5 KiB
Python
'''Stub controller classes
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These classes can be used as base classes for controllers. While any
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callable can technically be a controller, using a class that inherits
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from one or more of these classes can make things significantly easier.
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:Created: Mar 27, 2011
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:Author: dustin
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:Updated: $Date$
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:Updater: $Author$
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'''
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import milla
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import os
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__all__ = ['Controller', 'FaviconController']
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class Controller(object):
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'''The base controller class
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This class simply provides empty ``__before__`` and ``__after__``
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methods to facilitate cooperative multiple inheritance.
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'''
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def __before__(self, request):
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pass
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def __after__(self, request):
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pass
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class FaviconController(Controller):
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'''A controller for the "favicon"
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This controller is specifically suited to serve a site "favicon" or
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bookmark icon. By default, it will serve the *Milla* icon, but you
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can pass an alternate file time to the constructor.
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:param icon: Path to an icon to serve
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'''
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def __init__(self, icon=None):
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if not icon:
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icon = os.path.join(os.path.dirname(milla.__file__), 'milla.ico')
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try:
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self.icon = open(icon)
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except (IOError, OSError):
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self.icon = None
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def __call__(self, request):
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if not self.icon:
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raise milla.HTTPNotFound
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response = milla.Response()
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response.app_iter = self.icon
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response.headers['Content-Type'] = 'image/x-icon'
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return response
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