47 lines
1.1 KiB
Python
47 lines
1.1 KiB
Python
"""add file size field
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Revision ID: 30bfe33aa328
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Revises: 5cee97aab219
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Create Date: 2022-12-13 22:32:12.242394
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"""
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# revision identifiers, used by Alembic.
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revision = '30bfe33aa328'
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down_revision = '5cee97aab219'
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy.ext.automap import automap_base
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from sqlalchemy.orm import Session
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from flask import current_app
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from pathlib import Path
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Base = automap_base()
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def upgrade():
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op.add_column('file', sa.Column('size', sa.BigInteger(), nullable=True))
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bind = op.get_bind()
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Base.prepare(autoload_with=bind)
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File = Base.classes.file
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session = Session(bind=bind)
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storage = Path(current_app.config["FHOST_STORAGE_PATH"])
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updates = []
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files = session.scalars(sa.select(File).where(sa.not_(File.removed)))
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for f in files:
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p = storage / f.sha256
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if p.is_file():
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updates.append({
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"id": f.id,
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"size": p.stat().st_size
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})
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session.bulk_update_mappings(File, updates)
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session.commit()
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def downgrade():
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op.drop_column('file', 'size')
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