1 files changed, 70 insertions, 0 deletions
diff --git a/src/mailman/database/alembic/versions/3002bac0c25a_dmarc_attributes.py b/src/mailman/database/alembic/versions/3002bac0c25a_dmarc_attributes.py
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+++ b/src/mailman/database/alembic/versions/3002bac0c25a_dmarc_attributes.py
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+"""dmarc_attributes
+
+Revision ID: 3002bac0c25a
+Revises: a46993b05703
+Create Date: 2016-10-30 22:05:17.881880
+
+"""
+
+import sqlalchemy as sa
+
+from alembic import op
+from mailman.database.helpers import exists_in_db
+from mailman.database.types import Enum, SAUnicodeLarge
+from mailman.interfaces.mailinglist import DMARCMitigateAction
+
+
+# revision identifiers, used by Alembic.
+revision = '3002bac0c25a'
+down_revision = 'a46993b05703'
+
+
+def upgrade():
+    if not exists_in_db(op.get_bind(),
+                        'mailinglist',
+                        'dmarc_mitigate_action'
+                        ):
+        # SQLite may not have removed it when downgrading.  It should be OK
+        # to just test one.
+        op.add_column('mailinglist', sa.Column(
+            'dmarc_mitigate_action',
+            Enum(DMARCMitigateAction),
+            nullable=True))
+        op.add_column('mailinglist', sa.Column(
+            'dmarc_mitigate_unconditionally',
+            sa.Boolean,
+            nullable=True))
+        op.add_column('mailinglist', sa.Column(
+            'dmarc_moderation_notice',
+            SAUnicodeLarge(),
+            nullable=True))
+        op.add_column('mailinglist', sa.Column(
+            'dmarc_wrapped_message_text',
+            SAUnicodeLarge(),
+            nullable=True))
+    # Now migrate the data.  Don't import the table definition from the
+    # models, it may break this migration when the model is updated in the
+    # future (see the Alembic doc).
+    mlist = sa.sql.table(
+        'mailinglist',
+        sa.sql.column('dmarc_mitigate_action', Enum(DMARCMitigateAction)),
+        sa.sql.column('dmarc_mitigate_unconditionally', sa.Boolean),
+        sa.sql.column('dmarc_moderation_notice', SAUnicodeLarge()),
+        sa.sql.column('dmarc_wrapped_message_text', SAUnicodeLarge()),
+        )
+    # These are all new attributes so just set defaults.
+    op.execute(mlist.update().values(dict(
+        dmarc_mitigate_action=op.inline_literal(
+            DMARCMitigateAction.no_mitigation),
+        dmarc_mitigate_unconditionally=op.inline_literal(False),
+        dmarc_moderation_notice=op.inline_literal(''),
+        dmarc_wrapped_message_text=op.inline_literal(''),
+        )))
+
+
+def downgrade():
+    with op.batch_alter_table('mailinglist') as batch_op:
+        batch_op.drop_column('dmarc_mitigate_action')
+        batch_op.drop_column('dmarc_mitigate_unconditionally')
+        batch_op.drop_column('dmarc_moderation_notice')
+        batch_op.drop_column('dmarc_wrapped_message_text')