diff options
Diffstat (limited to 'Mailman/app/plugins.py')
| -rw-r--r-- | Mailman/app/plugins.py | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/Mailman/app/plugins.py b/Mailman/app/plugins.py deleted file mode 100644 index 471ea49a7..000000000 --- a/Mailman/app/plugins.py +++ /dev/null @@ -1,65 +0,0 @@ -# Copyright (C) 2007-2008 by the Free Software Foundation, Inc. -# -# This program 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 2 -# of the License, or (at your option) any later version. -# -# This program 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 this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, -# USA. - -"""Get a requested plugin.""" - -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: %s' % 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: %s' % 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: %s' % 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() |
