bvandeusen
5269cd0709
Images pulled out of a .zip/.rar previously kept no record of WHICH archive
they came from — the member->archive link was computed during extraction and
discarded, leaving only image->post. So the provenance modal could only scope
attachments to the whole post, showing every archive a 'High Resolution Files'
bundle carried instead of the one a given file lives in.
- ImageProvenance.from_attachment_id: nullable FK -> post_attachment.id
(SET NULL), migration 0055.
- importer: _import_archive stamps from_attachment_id on every member's
provenance row for the post (new + superseded + deduped members), resolving
the archive's own PostAttachment by (post, sha). Post-pass UPDATE, NULL-only
and idempotent, so it doesn't touch the dedup/supersede branches and the
backfill is safe to re-run. Nested members link to the outer stored archive.
- provenance_service.for_image: when the originating post's provenance row
records from_attachment_id, return ONLY that archive; else fall back to the
primary-post scoping from 068def2.
- ProvenancePanel: heading pluralizes ('Attachment' for a single file).
- Backfill: re-running reextract_archive_attachments (ArchiveReextractCard)
routes through _import_archive and stamps existing rows — no new code.
Tests: capture stamps on fresh import, nested-archive attribution, per-post
archive on dedup; for_image filters to the containing archive; reextract
backfill stamps the link.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
56 lines
1.7 KiB
Python
56 lines
1.7 KiB
Python
"""image_provenance: from_attachment_id (which archive an image was extracted from)
|
|
|
|
Milestone #87. When an image is pulled out of a .zip/.rar, record WHICH archive
|
|
PostAttachment it came from, so the provenance UI can show the single archive a
|
|
file lives inside instead of every attachment on the post. Nullable FK with
|
|
ON DELETE SET NULL — a loose (non-archive) download leaves it NULL, and deleting
|
|
the archive attachment forgets the linkage without destroying the (image, post)
|
|
provenance edge. Existing rows are NULL until the reextract backfill stamps them.
|
|
|
|
Revision ID: 0055
|
|
Revises: 0054
|
|
Create Date: 2026-06-22
|
|
"""
|
|
from typing import Sequence, Union
|
|
|
|
import sqlalchemy as sa
|
|
from alembic import op
|
|
|
|
revision: str = "0055"
|
|
down_revision: Union[str, None] = "0054"
|
|
branch_labels: Union[str, Sequence[str], None] = None
|
|
depends_on: Union[str, Sequence[str], None] = None
|
|
|
|
|
|
def upgrade() -> None:
|
|
op.add_column(
|
|
"image_provenance",
|
|
sa.Column("from_attachment_id", sa.Integer(), nullable=True),
|
|
)
|
|
op.create_index(
|
|
"ix_image_provenance_from_attachment_id",
|
|
"image_provenance",
|
|
["from_attachment_id"],
|
|
)
|
|
op.create_foreign_key(
|
|
"fk_image_provenance_from_attachment",
|
|
"image_provenance",
|
|
"post_attachment",
|
|
["from_attachment_id"],
|
|
["id"],
|
|
ondelete="SET NULL",
|
|
)
|
|
|
|
|
|
def downgrade() -> None:
|
|
op.drop_constraint(
|
|
"fk_image_provenance_from_attachment",
|
|
"image_provenance",
|
|
type_="foreignkey",
|
|
)
|
|
op.drop_index(
|
|
"ix_image_provenance_from_attachment_id",
|
|
table_name="image_provenance",
|
|
)
|
|
op.drop_column("image_provenance", "from_attachment_id")
|