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# Copyright (C) 2007 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.
"""Process all rules defined by entry points."""
__all__ = [
'find_rule',
'process',
]
from Mailman.app.plugins import get_plugins
def process(mlist, msg, msgdata, rule_set=None):
"""Default rule processing plugin.
Rules are processed in random order.
:param msg: The message object.
:param msgdata: The message metadata.
:param rule_set: The name of the rules to run. None (the default) means
to run all available rules.
:return: A set of rule names that matched.
"""
# Collect all rules from all rule processors.
rules = set()
for rule_set_class in get_plugins('mailman.rules'):
rules |= set(rule for rule in rule_set_class().rules
if rule_set is None or rule.name in rule_set)
# Now process all rules, returning the set of rules that match.
rule_matches = set()
for rule in rules:
if rule.check(mlist, msg, msgdata):
rule_matches.add(rule.name)
return rule_matches
def find_rule(rule_name):
"""Find the named rule.
:param rule_name: The name of the rule to find.
:return: The named rule, or None if no such rule exists.
"""
for rule_set_class in get_plugins('mailman.rules'):
rule = rule_set_class().get(rule_name)
if rule is not None:
return rule
return None
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