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# encoding: utf-8
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"""
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Utilities using Growl on OS X for notifications.
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"""
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#-----------------------------------------------------------------------------
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# Copyright (C) 2008-2009 The IPython Development Team
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#
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# Distributed under the terms of the BSD License. The full license is in
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# the file COPYING, distributed as part of this software.
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Imports
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Code
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#-----------------------------------------------------------------------------
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class IPythonGrowlError(Exception):
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pass
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class Notifier(object):
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def __init__(self, app_name):
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try:
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import Growl
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except ImportError:
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self.g_notifier = None
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else:
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self.g_notifier = Growl.GrowlNotifier(app_name, ['kernel', 'core'])
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self.g_notifier.register()
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def _notify(self, title, msg):
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if self.g_notifier is not None:
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self.g_notifier.notify('core', title, msg)
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def notify(self, title, msg):
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self._notify(title, msg)
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def notify_deferred(self, r, msg):
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title = "Deferred Result"
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msg = msg + '\n' + repr(r)
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self._notify(title, msg)
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return r
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_notifier = None
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def notify(title, msg):
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pass
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def notify_deferred(r, msg):
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return r
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def start(app_name):
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global _notifier, notify, notify_deferred
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if _notifier is not None:
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raise IPythonGrowlError("this process is already registered with Growl")
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else:
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_notifier = Notifier(app_name)
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notify = _notifier.notify
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notify_deferred = _notifier.notify_deferred
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