feat(hwpx): recognize ordered section text with provenance - #1373
feat(hwpx): recognize ordered section text with provenance#1373seonghobae wants to merge 17 commits into
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📝 WalkthroughWalkthroughThe PR adds a bounded HWPX ZIP/XML recognition pipeline, ordered paragraph extraction, content-graph output, local worker processing, explicit failure statuses, contract tests, and updated HWPX processing documentation. ChangesHWPX recognition pipeline
Estimated code review effort: 4 (Complex) | ~60 minutes Merge Risk: 🟡 Moderate · up to This change adds local HWPX text recognition and provenance, but the current implementation can accept an incomplete package, leave some malformed attachments stuck in pending retries, duplicate nested paragraph text, and expose predictable attachment identifiers in citations. These issues should be fixed or explicitly accepted, and required exact-head checks must complete before merge. Sequence Diagram(s)sequenceDiagram
participant AttachmentSweep
participant newsdom_worker
participant recognize_hwpx_package
participant AttachmentPersistence
AttachmentSweep->>newsdom_worker: select pending HWPX attachment
newsdom_worker->>recognize_hwpx_package: decode and recognize retained payload
recognize_hwpx_package-->>newsdom_worker: return parse text and graph records
newsdom_worker->>AttachmentPersistence: persist status, metadata, text, and graph records
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Parent #1353 admission requires version.xml before a HWPX payload can remain pending. Worker fixtures omitted that member, so deferred revalidation failed closed before recognition. Co-authored-by: Seongho Bae <seonghobae@users.noreply.github.com>
Merge feat/hwp-hwpx-attachment-recognition at 7068326 into feat/hwpx-section-text-recognition. Predecessor evidence does not transfer. Co-authored-by: Seongho Bae <seonghobae@users.noreply.github.com>
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Actionable comments posted: 5
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In `@backend/services/hwpx_recognition.py`:
- Around line 174-188: Update visit to remove the is_root parameter and skip
every child whose local name is "p" before recursive traversal, while preserving
handling for text, line breaks, and tabs. Keep the visit(paragraph) call and
ensure nested paragraphs are excluded at all depths to avoid duplicating text.
- Around line 95-100: Update the HWPX archive-reading helpers around the
XML-member read and mimetype read to catch expected zipfile.BadZipFile and
NotImplementedError failures from archive.read(), then re-raise them as
ValueError so the worker’s existing ValueError handler records parse_error_code
and stops retrying. Preserve the current size and content validation behavior.
In `@backend/services/newsdom_worker.py`:
- Around line 299-305: Update the HWPX recognition flow around
recognize_attachment_hwpx and recognize_hwpx_package to require version.xml
using the same identity validation rules applied before an attachment enters the
pending state; reject packages missing that member. Add recognizer and worker
coverage for a missing version.xml member.
- Around line 299-305: Update the recognize_attachment_hwpx call in the
attachment-processing flow to derive source_record_uid from stable opaque
attachment provenance rather than the sequential attachment.id, while preserving
stable citation correlation. Add a regression test verifying citation responses
do not expose sequential attachment IDs.
In `@docs/doctoring/hwp-hwpx-attachment-recognition.md`:
- Around line 76-78: Add a provenance contract test for HWPX UID generation that
processes two otherwise comparable inputs with different original source bytes
and asserts their content_node_uid and content_segment_uid values differ. Retain
the existing source_content_hash and segment-path assertions, anchoring the
change in the HWPX test flow.
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📒 Files selected for processing (5)
backend/services/hwpx_recognition.pybackend/services/newsdom_worker.pybackend/tests/test_hwpx_recognition.pybackend/tests/test_hwpx_worker.pydocs/doctoring/hwp-hwpx-attachment-recognition.md
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Draft PR 1373 current HEAD |
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# Conflicts: # backend/services/hwpx_recognition.py # backend/services/newsdom_worker.py # backend/tests/test_hwpx_recognition.py # docs/doctoring/hwp-hwpx-attachment-recognition.md
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| email.message_id or "", | ||
| email.thread_id or "", | ||
| attachment.filename or "", | ||
| attachment.content or "", | ||
| ) |
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When two attachments share the same message/thread IDs, filename, and bytes—such as duplicate attachments in one message or the same message imported by multiple tenants—this tuple produces the same source_record_uid. Because the content graph derives globally unique content_node_uid and content_segment_uid values from this UID and the source hash, recognition of the second attachment violates the unique constraints and is repeatedly rolled back by the worker. Include tenant/owner scope and a stable attachment occurrence or opaque attachment identity; the import-side counterpart already includes attachment_index. Verify by committing two identical pending attachments in backend/tests/test_hwpx_worker.py.
AGENTS.md reference: AGENTS.md:L441-L445
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| attachment.parse_status = PDF_DOM_RECOGNITION_PARSED_STATUS | ||
| attachment.parse_content_type = HWPX_PARSE_CONTENT_TYPE | ||
| attachment.parser_key = HWPX_PARSER_KEY | ||
| attachment.parse_status = HWPX_PARSED_STATUS |
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This new success status is not recognized by existing consumers: _get_attachment_parse_stats in backend/api/data.py counts only parse_status == "parsed" as parsed and classifies every other value as unparsed. Consequently, every successfully recognized HWPX attachment is still reported by the Data quality surface as needing parser coverage. Either retain the canonical parsed status or update all parsed-status predicates to include this value, with a focused backend/tests/test_data_api.py regression.
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| if paragraph_count == 0: | ||
| raise ValueError("HWPX package contains no readable paragraph text") | ||
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| source_content_hash = hashlib.sha256(payload).hexdigest() | ||
| parse_result = parse_pdf_dom( |
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For an HWPX containing more than 1,000,000 extracted characters, this path now proceeds directly to graph construction after the predecessor's MAX_HWPX_TEXT_CHARS check and regression test were removed. The XML budget permits nearly 16 MiB of text, which is then persisted in the attachment and duplicated across paragraph-node and segment records, allowing an inbound document to amplify worker memory, database storage, and API payloads well beyond the repository's normal attachment-text limit. Reinstate an explicit text-character bound before parse_pdf_dom, and cover it in backend/tests/test_hwpx_recognition.py.
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| if entry.is_dir() or entry.file_size > max_bytes: | ||
| raise ValueError(f"HWPX {label} XML member exceeds the expansion limit") | ||
| try: | ||
| payload = archive.read(entry) | ||
| except (NotImplementedError, zipfile.BadZipFile) as exc: |
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When a selected member uses BZIP2 or LZMA compression, _package_entries admits it and this helper reads it because the predecessor's stored/deflated allowlist was removed, despite docs/adr/0006-bounded-deferred-attachment-recognition.md requiring worker-side compression validation and rejection of unsupported compression. A malformed BZIP2/LZMA stream can also raise OSError or LZMAError, neither of which is normalized here or caught by the HWPX branch's ValueError handler, so the production batch rolls back and leaves the attachment pending to be retried every sweep. Restore the compression allowlist before reading, or normalize all decompressor failures into the terminal recognition-failure path.
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| elif local_name == "tab": | ||
| parts.append("\t") | ||
| else: | ||
| visit(child) |
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When an otherwise bounded section contains a paragraph with roughly the Python recursion limit of nested non-p wrapper elements, defused XML parsing succeeds but this recursive call raises RecursionError. The HWPX branch catches only ValueError, so the production batch rolls back without recording a terminal failure and retries the same pending attachment on later sweeps. Traverse with an explicit bounded stack while retaining the nested-paragraph exclusion, or convert an enforced depth violation to ValueError, and add a deeply nested section regression to backend/tests/test_hwpx_worker.py.
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Current exact authority
This stacked slice owns deterministic, provider-free HWPX section/paragraph recognition and integration into Naruon's leased background-recognition worker. It does not reconstruct tables/images/layout or convert binary HWP.
feat/hwp-hwpx-attachment-recognition@5cf957708098d17b6d843353309d86b0b232fcd7983aacb883dc4a14e3e03fa8dc99d3f44bef681fThe previous body was stale at parent
50a4102c...and head2dd978d3.... The live parent advanced to5cf95770...; this child adopted that parent normally. Separately,2dd978d3... → 983aacb8...is ahead 3 / behind 0 and changes onlydocs/doctoring/hwp-hwpx-attachment-recognition.md(+11/-3), so the intervening delta is documentation lineage rather than a conflicting product rewrite. Predecessor checks/reviews do not transfer.Parent repair adoption
#1353 owns HWP/HWPX admission and fixed the manifest-only admission/worker mismatch by requiring canonical
Contents/sectionN.xmlbefore deferred HWPX recognition. This child inherits that boundary while preserving its richer ordered-section recognition contract. The effective child delta remains six files and current compare to the exact parent is behind 0.Contract preserved
HWPX retained bytes are revalidated;
Contents/content.hpfand spine order select bounded section XML; unsafe XML/path/encryption/duplicate-member cases fail closed; exact source hashes are retained in graph provenance. Successful local recognition replaces pending encoded payload with ordered searchable text and content-graph evidence. Invalid retained bytes, recognizer failures, and orphan rows remain explicit failure states. This lane reuses the existing worker lease and creates no provider/model authority.The inherited parent boundary requires at least one canonical section before a package enters deferred HWPX recognition, so manifest-only packages no longer enter a worker that must reject them later.
Descendant boundary
Draft #1404 is the direct buyer-preview descendant and currently bases on this exact
983aacb8...head. #1404 owns preview/API/UI behavior only; HWPX recognition remains here and HWP/HWPX admission remains in #1353. Any parent movement must be adopted by ordinary restack without moving recognition authority into the preview child.Evidence and merge boundary
Predecessor local suites, reviews, and checks are development evidence only. This PR has a non-default parent branch; repository-owned stacked-base activation remains canonically owned by Draft #1562, whose prerequisite is not protected-integrated. Do not duplicate that CI change here or manufacture a no-op commit.
Keep Draft until #1353 and its parent #1565 are resolved in normal ancestry, the unchanged final head has every applicable repository/organization required check terminal-success, all valid findings/threads are resolved, and a qualifying independent post-last-push non-author approval exists. No force push, destructive rebase, self-approval, bypass, dummy requeue, or predecessor-evidence transfer. Refs #1350.