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tonio
5d425c8cbe
Querysets used to populate form fields are more filtered (ie. the default admin is ignored, as the current logged in user). see #92 More protection against errors that can happen when defining new permissions.
85 lines
2.1 KiB
Python
85 lines
2.1 KiB
Python
# -*- coding: utf-8 -*-
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"""
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This module provides a simple way of managing events between Modoboa
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core application and additional components.
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"""
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events = ["CreateDomain",
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"DeleteDomain",
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"CreateMailbox",
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"DeleteMailbox",
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"ModifyMailbox",
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"UserMenuDisplay",
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"AdminMenuDisplay",
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"PermsGetTables",
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"PermsGetClass",
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"UserLogin",
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"UserLogout"]
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callbacks = {}
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def register(event, callback):
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"""Register a plugin callback for a specific event
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The event must be declared in this module.
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:param event: the event to listen to
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:param callback: a function to execute when the event is raised
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"""
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if not event in events:
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return 0
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if not event in callbacks.keys():
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callbacks[event] = []
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if not callback in callbacks[event]:
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callbacks[event].append(callback)
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return 1
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def unregister(event, callback):
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"""Unregister a callback for a specific event
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:param event: the targeted event
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:param callback: the callback to remove
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"""
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if not event in events:
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return False
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if not callbacks.has_key(event):
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return False
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try:
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callbacks[event].remove(callback)
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except ValueError:
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pass
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def raiseEvent(event, **kwargs):
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"""Raise a specific event
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Any additional keyword argument will be passed to registered
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callbacks.
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:param event: the event to raise
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"""
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if not event in events or not event in callbacks.keys():
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return 0
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for callback in callbacks[event]:
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callback(**kwargs)
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return 1
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def raiseQueryEvent(event, **kwargs):
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"""Raise a specific event and wait for answers from callbacks
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Any additional keyword argument will be passed to registered
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callbacks. Callback answers are returned as a list.
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:param event: the event to raise
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"""
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result = []
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if not event in events or not event in callbacks.keys():
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return result
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for callback in callbacks[event]:
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result += callback(**kwargs)
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return result
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