pipelines-dynamical-instantiation

4 files changed, 142 insertions, 0 deletions

diff --git a/src/mailman/pipelines/__init__.py b/src/mailman/pipelines/__init__.py
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index 000000000..e69de29bb
--- /dev/null
+++ b/src/mailman/pipelines/__init__.py
diff --git a/src/mailman/pipelines/base.py b/src/mailman/pipelines/base.py
new file mode 100644
index 000000000..0f8af2ff0
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+++ b/src/mailman/pipelines/base.py
@@ -0,0 +1,42 @@
+# Copyright (C) 2006-2017 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/>.
+
+"""Base class for pipelines.."""
+
+from mailman.config import config
+from mailman.interfaces.pipeline import IPipeline
+from mailman.utilities.modules import abstract_component
+from public import public
+from zope.interface import implementer
+
+
+@public
+@abstract_component
+@implementer(IPipeline)
+class BasePipeline:
+    """Base pipeline implementation."""
+
+    _default_handlers = ()
+
+    def __init__(self):
+        self._handlers = []
+        for handler_name in self._default_handlers:
+            self._handlers.append(config.handlers[handler_name])
+
+    def __iter__(self):
+        """See `IPipeline`."""
+        yield from self._handlers
diff --git a/src/mailman/pipelines/builtin.py b/src/mailman/pipelines/builtin.py
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index 000000000..760c24a89
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+++ b/src/mailman/pipelines/builtin.py
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+# Copyright (C) 2006-2017 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/>.
+
+"""Built-in pipelines."""
+
+from mailman.core.i18n import _
+from mailman.pipelines.base import BasePipeline
+from public import public
+
+
+@public
+class OwnerPipeline(BasePipeline):
+    """The built-in owner pipeline."""
+
+    name = 'default-owner-pipeline'
+    description = _('The built-in owner pipeline.')
+
+    _default_handlers = (
+        'owner-recipients',
+        'to-outgoing',
+        )
+
+
+@public
+class PostingPipeline(BasePipeline):
+    """The built-in posting pipeline."""
+
+    name = 'default-posting-pipeline'
+    description = _('The built-in posting pipeline.')
+
+    _default_handlers = (
+        'mime-delete',
+        'tagger',
+        'member-recipients',
+        'avoid-duplicates',
+        'cleanse',
+        'cleanse-dkim',
+        'cook-headers',
+        'subject-prefix',
+        'rfc-2369',
+        'to-archive',
+        'to-digest',
+        'to-usenet',
+        'after-delivery',
+        'acknowledge',
+        'decorate',
+        'dmarc',
+        'to-outgoing',
+        )
diff --git a/src/mailman/pipelines/virgin.py b/src/mailman/pipelines/virgin.py
new file mode 100644
index 000000000..82dfc24ff
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+++ b/src/mailman/pipelines/virgin.py
@@ -0,0 +1,37 @@
+# Copyright (C) 2006-2017 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/>.
+
+"""A virgin pipeline."""
+
+from mailman.core.i18n import _
+from mailman.pipelines.base import BasePipeline
+from public import public
+
+
+@public
+class VirginPipeline(BasePipeline):
+    """The processing pipeline for virgin messages.
+
+    Virgin messages are those that are crafted internally by Mailman.
+    """
+    name = 'virgin'
+    description = _('The virgin queue pipeline.')
+
+    _default_handlers = (
+        'cook-headers',
+        'to-outgoing',
+        )