Ascii media type initial migration.
* mediagoblin/db/migrations/versions/72bd70f7eefd_ascii_media_type_initial_migration.py: New file.
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"""Ascii media type initial migration
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Revision ID: 72bd70f7eefd
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Revises: 52bf0ccbedc1
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Create Date: 2016-03-12 22:50:58.382980
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"""
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# revision identifiers, used by Alembic.
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revision = '72bd70f7eefd'
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down_revision = '52bf0ccbedc1'
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branch_labels = ('ascii_media_type',)
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depends_on = None
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from alembic import op
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import sqlalchemy as sa
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def upgrade():
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if op.get_bind().engine.has_table("ascii__mediadata"):
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# Skip; this has already been instantiated
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# (probably via sqlalchemy-migrate)
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return
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op.create_table(
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'ascii__mediadata',
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sa.Column('media_entry', sa.Integer(), nullable=False),
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sa.ForeignKeyConstraint(['media_entry'], ['core__media_entries.id'], ),
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sa.PrimaryKeyConstraint('media_entry'))
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def downgrade():
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op.drop_table('ascii__mediadata')
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