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| -rw-r--r-- | src/mailman/core/plugins.py | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/src/mailman/core/plugins.py b/src/mailman/core/plugins.py deleted file mode 100644 index e9ba26571..000000000 --- a/src/mailman/core/plugins.py +++ /dev/null @@ -1,74 +0,0 @@ -# Copyright (C) 2007-2009 by the Free Software Foundation, Inc. -# -# This file is part of GNU Mailman. -# -# GNU Mailman is free software: you can redistribute it and/or modify it under -# the terms of the GNU General Public License as published by the Free -# Software Foundation, either version 3 of the License, or (at your option) -# any later version. -# -# GNU Mailman is distributed in the hope that it will be useful, but WITHOUT -# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for -# more details. -# -# You should have received a copy of the GNU General Public License along with -# GNU Mailman. If not, see <http://www.gnu.org/licenses/>. - -"""Get a requested plugin.""" - -from __future__ import absolute_import, unicode_literals - -__metaclass__ = type -__all__ = [ - ] - - -import pkg_resources - - - -def get_plugin(group): - """Get the named plugin. - - In general, this returns exactly one plugin. If no plugins have been - added to the named group, the 'stock' plugin will be used. If more than - one plugin -- other than the stock one -- exists, an exception will be - raised. - - :param group: The plugin group name. - :return: The loaded plugin. - :raises RuntimeError: If more than one plugin overrides the stock plugin - for the named group. - """ - entry_points = list(pkg_resources.iter_entry_points(group)) - if len(entry_points) == 0: - raise RuntimeError( - 'No entry points found for group: {0}'.format(group)) - elif len(entry_points) == 1: - # Okay, this is the one to use. - return entry_points[0].load() - elif len(entry_points) == 2: - # Find the one /not/ named 'stock'. - entry_points = [ep for ep in entry_points if ep.name <> 'stock'] - if len(entry_points) == 0: - raise RuntimeError( - 'No stock plugin found for group: {0}'.format(group)) - elif len(entry_points) == 2: - raise RuntimeError('Too many stock plugins defined') - else: - raise AssertionError('Insanity') - return entry_points[0].load() - else: - raise RuntimeError('Too many plugins for group: {0}'.format(group)) - - - -def get_plugins(group): - """Get and return all plugins in the named group. - - :param group: Plugin group name. - :return: The loaded plugin. - """ - for entry_point in pkg_resources.iter_entry_points(group): - yield entry_point.load() |