62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
# File: persistency.py
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# Library: DOPAL - DO Python Azureus Library
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details ( see the COPYING file ).
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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'''
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Support module containing code which supports the persistency functionality offered by DOPAL.
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'''
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_refresh_methods = {
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# Simple ones.
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'PluginConfig': lambda pi, obj: \
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pi.getPluginconfig(),
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'DownloadManager': lambda pi, obj: \
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pi.getDownloadManager(),
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'IPFilter': lambda pi, obj: \
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pi.getIPFilter(),
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'ShortCuts': lambda pi, obj: \
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pi.getShortCuts(),
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'TorrentManager': lambda pi, obj: \
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pi.getTorrentManager(),
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'PluginInterface': lambda pi, obj: \
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pi,
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# Not so simple ones.
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'Download': lambda pi, obj: \
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pi.getShortCuts().getDownload(obj.torrent.hash),
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'Torrent': lambda pi, obj: \
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pi.getShortCuts().getDownload(obj.hash).torrent,
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}
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# XXX: Test and document.
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def get_equivalent_object_from_root(original_object, plugin_interface):
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import dopal.objects
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if not isinstance(original_object, dopal.objects.RemoteObject):
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raise ValueError, "%s is not a RemoteObject" % (original_object,)
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from dopal.errors import NonRefreshableObjectTypeError, \
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MissingRemoteAttributeError, NonRefreshableIncompleteObjectError
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remote_type = original_object.get_remote_type()
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try:
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refresh_function = _refresh_methods[remote_type]
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except KeyError:
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raise NonRefreshableObjectTypeError(obj=original_object)
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try:
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return refresh_function(plugin_interface, original_object)
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except MissingRemoteAttributeError, error:
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raise NonRefreshableIncompleteObjectError(obj=original_object, error=error)
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