PDF media type initial migration.

* mediagoblin/media_types/pdf/migrations/faa209f143b5_pdf_media_type_initial_migration.py:
  New file.

mediagoblin/media_types/pdf/migrations/faa209f143b5_pdf_media_type_initial_migration.py

@@ -0,0 +1,46 @@
+"""PDF media type initial migration
+
+Revision ID: faa209f143b5
+Revises: 52bf0ccbedc1
+Create Date: 2016-03-12 23:08:16.698343
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = 'faa209f143b5'
+down_revision = '52bf0ccbedc1'
+branch_labels = ('pdf_media_type',)
+depends_on = None
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    if op.get_bind().engine.has_table("pdf__mediadata"):
+        # Skip; this has already been instantiated
+        # (probably via sqlalchemy-migrate)
+        return
+
+    op.create_table(
+        'pdf__mediadata',
+        sa.Column('media_entry', sa.Integer(), nullable=False),
+        sa.Column('pages', sa.Integer(), nullable=True),
+        sa.Column('pdf_author', sa.String(), nullable=True),
+        sa.Column('pdf_title', sa.String(), nullable=True),
+        sa.Column('pdf_keywords', sa.String(), nullable=True),
+        sa.Column('pdf_creator', sa.String(), nullable=True),
+        sa.Column('pdf_producer', sa.String(), nullable=True),
+        sa.Column('pdf_creation_date', sa.DateTime(), nullable=True),
+        sa.Column('pdf_modified_date', sa.DateTime(), nullable=True),
+        sa.Column('pdf_version_major', sa.Integer(), nullable=True),
+        sa.Column('pdf_version_minor', sa.Integer(), nullable=True),
+        sa.Column('pdf_page_size_width', sa.Float(), nullable=True),
+        sa.Column('pdf_page_size_height', sa.Float(), nullable=True),
+        sa.Column('pdf_pages', sa.Integer(), nullable=True),
+        sa.ForeignKeyConstraint(['media_entry'], ['core__media_entries.id'], ),
+        sa.PrimaryKeyConstraint('media_entry'))
+
+
+def downgrade():
+    op.drop_table('pdf__mediadata')