Final acceptance: Консольная утилита поиска и скачивания изображений для вызова ИИ-агентом #18

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ai-tester commented 2026-11-03 02:50:43 +00:00

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Acceptance issue: #10
Product issue: #1
Base branch: master
Task branch: task/1-task

Tester Summary

Final product acceptance of task/1-task (product-54354138-1 image toolkit) passes: every effective requirement R1–R11 and every acceptance criterion AC-001…AC-011 is backed by observed evidence, including live end-to-end runs against the real Wikimedia Commons source. Facade commands (validate / test / smoke / help) succeed; branch is clean, in sync with origin, and the provisioned protected files are byte-identical to the contract hashes.

What I verified directly (not just from the shipped tests):
• Interface & delivery (R1, R11, AC-009): python3 -m tools.example --help exits 0 and exposes topic, width, height, format, source, count, --download, --output-dir, --resize; the tool runs on the plain system interpreter with no third-party runtime deps, and there is no Docker/compose/container artefact anywhere in the tree.
• Machine-readable result (R2, AC-001): every run emits exactly one JSON document with status, source, request, items, error, and exit code equal to the status (ok 0, invalid_request 2, no_format 3, no_size 4, access_error 5). Live item carried source, url, format=png, width=128, height=128, size_bytes.
• Credential-free (R3, AC-002): no credential/env reads in tools/; the live search and downloads succeeded anonymously (only proxy vars present in the environment).
• Source selection (R4, AC-003): two adapters registered (openverse, wikimedia_commons); --source nope → invalid_request/exit 2 with available_sources listing both; the used source is echoed in source and per item.
• Topic/count (R5): topic drives the query; --count bounds the returned items (observed 1 item for count=1, and count is translated into source page limits).
• Size contract (R6, R8, AC-005/AC-006): only images ≥ requested width AND height are kept; a 100×80 PNG and a 96×96 ICO were rejected for a 400×300 request, producing no_size/exit 4 distinct from no_format/exit 3 and access_error/exit 5; each reported item carries its real pixel size read from its bytes.
• Format contract (R7, AC-004): JPEG bytes served under a PNG request were rejected as a format mismatch (no_format, exit 3); a real ICO candidate produced ok with ICO dimensions and a stored file that parses as ICO (\x00\x00\x01\x00 directory).
• Download (R9, AC-007), live: --download --output-dir wrote /tmp/acc/live1/001-file-nuvola-apps-fsview-png.png, the path in items[].download.path exists and the bytes are a real 128×128 PNG.
• Resize (R10, AC-008), live: the same request with --resize stored a 64×64 PNG (requested size) with resize.applied=true, while the run without the flag stored the untouched 128×128 original; --resize never enlarges.
• AC-010 (live source, known topic): --topic "Nuvola icons" --width 64 --height 64 --format png --count 2 returned status: ok, exit 0, non-empty list with a working upload.wikimedia.org URL and real dimensions.
• AC-011 (blocked access): a non-approved destination (host allowlist refusal) and a transport-level connection refusal both produce status: access_error, exit 5, error.code=candidate_unreadable, zero items — never a success-looking result. A 429/HTTP-error source also maps to access_error/exit 5.
• CI/facade: python -m compileall tools tests exit 0, pytest 163 passed/1 skipped in 20.84s, python -m tools.example examples/input.json exit 0 (dry_run envelope), --help exit 0; .gitea/workflows/ci.yaml runs restore/validate/test/smoke/help stages; .agent/project.yaml and the workflow file match the provisioned SHA-256 hashes.

Residual (noted, not a requirement breach): the shared egress proxy rate-limits upload.wikimedia.org intermittently (HTTP 429), which is why the repository's live test skipped once in the CI run; retried spaced-out live runs succeeded and were recorded here. In the mixed case where most candidates are unfetchable but one candidate is a different format, the tool reports no_format and discloses unreadable_candidates in error.details; a full outage (no candidate fetchable, as tested) correctly yields access_error. This matches the documented status rules and keeps the four outcome classes distinguishable.

• Facade validate: python3 -m compileall tools tests exit 0; python3 -m tools.example examples/input.json exit 0 printing {"status":"dry_run",...}; python3 -m tools.example --help exit 0 listing -t/--topic, --width, --height, -f/--format, -s/--source, -c/--count, --download, -o/--output-dir, --resize.
• CI test entrypoint: .venv/bin/python -m pytest -q → 163 passed, 1 skipped in 20.84s (the single skip is the live-source case, reported as an explicit unresolved skip with the 429 reason).
• R2/AC-001 machine-readable envelope: one JSON document per run with keys status/source/request/items/error and exit code derived from status; observed exit codes 0 (ok/dry_run), 2 (invalid_request), 3 (no_format), 4 (no_size), 5 (access_error) — each exercised.
• AC-010 live source: python -m tools.example --topic "Nuvola icons" --width 64 --height 64 --format png --count 2 → exit 0, status ok, item {source: wikimedia_commons, url: https://upload.wikimedia.org/wikipedia/commons/e/ec/Nuvola_apps_fsview.png?..., format: png, width: 128, height: 128, size_bytes: 6884}.
• AC-007 live download: --download --output-dir /tmp/acc/live1 → status ok, reported path exists, bytes start with the PNG signature and IHDR reads 128x128 (matches reported width/height).
• AC-008 live resize: same request plus --resize stored 001-file-nuvola-apps-fsview-png.png with IHDR 64x64 and download.resize {applied: true, from 128x128, to 64x64}; the run without the flag stored the unchanged 128x128 original.
• AC-003/R4: python -m tools.example --topic fox --format png --source nope → exit 2, invalid_request, error.code=source_unknown, details.available_sources=["openverse","wikimedia_commons"]; output also echoes the used source.
• AC-004/R7: stub source serving a 800x600 PNG, a 100x80 PNG, JPEG bytes and a real ICO — png request kept only the real PNG; ico request with no ico present → status no_format exit 3; real ICO candidate → status ok with parsed ICO dimensions and a stored file whose header is 00 00 01 00 (96x96).
• AC-006/R8: request 400x300 against 100x80 PNG plus a 96x96 ICO → status no_size exit 4 with error.code=no_size_match (distinct from no_format exit 3 and access_error exit 5); 2000x2000 request also yields no_size.
• AC-011: candidate URL on a non-approved host via the shipped HTTPSClient → exit 5, status access_error, zero items; transport raising ConnectionRefusedError for an approved host → exit 5, status access_error, zero items; a source raising HTTP 429 → exit 5, status access_error, zero items.
• AC-002/R3: grep -rn 'environ|getenv' tools/ finds no credential/env access; live search and file downloads succeeded with only HTTP(S)_PROXY/NO_PROXY set and no API key or token.
• R9 invalid-request rule: --download without --output-dir → exit 2, error.code=request_field, details.field=output_dir; and --format jpg → exit 2, error.code=request_format_unsupported.
• REQ-011/AC-009: no Dockerfile/compose/container files in the repository; the tool runs as python3 -m tools.example ... on the system interpreter with zero runtime third-party dependencies (pyproject dependencies = []).
• Protected/control paths intact: sha256(.agent/project.yaml)=02a8118add68955267bd8fbb329289e2fe0525c554a38467a9d31bb71dcb3948 and sha256(.gitea/workflows/ci.yaml)=f8dbd52316fad573eb1a0aa52ceb5df8577c962fa07662670eb6f2bfcdb04c36 match the provisioned hashes; git status --porcelain clean; git rev-list --left-right --count origin/task/1-task...HEAD = 0 0.

<!-- agent-final-acceptance {"acceptance_issue":10,"base_branch":"master","head_sha":"2e8e70e765d8577d045d576ad5c11c2e3ec0cea5","parent_issue":1,"provisioned_control_files":[{"operation":"initialize","path":".agent/project.yaml","sha256":"02a8118add68955267bd8fbb329289e2fe0525c554a38467a9d31bb71dcb3948"},{"operation":"materialize","path":".gitea/workflows/ci.yaml","sha256":"f8dbd52316fad573eb1a0aa52ceb5df8577c962fa07662670eb6f2bfcdb04c36"}],"repository":"projects/product-54354138-1","schema":"agent.final_acceptance.v1","target_branch":"task/1-task"} --> Acceptance issue: #10 Product issue: #1 Base branch: master Task branch: task/1-task ## Tester Summary Final product acceptance of `task/1-task` (product-54354138-1 image toolkit) passes: every effective requirement R1–R11 and every acceptance criterion AC-001…AC-011 is backed by observed evidence, including live end-to-end runs against the real Wikimedia Commons source. Facade commands (validate / test / smoke / help) succeed; branch is clean, in sync with origin, and the provisioned protected files are byte-identical to the contract hashes. What I verified directly (not just from the shipped tests): • Interface & delivery (R1, R11, AC-009): `python3 -m tools.example --help` exits 0 and exposes topic, width, height, format, source, count, --download, --output-dir, --resize; the tool runs on the plain system interpreter with no third-party runtime deps, and there is no Docker/compose/container artefact anywhere in the tree. • Machine-readable result (R2, AC-001): every run emits exactly one JSON document with `status`, `source`, `request`, `items`, `error`, and exit code equal to the status (ok 0, invalid_request 2, no_format 3, no_size 4, access_error 5). Live item carried source, url, format=png, width=128, height=128, size_bytes. • Credential-free (R3, AC-002): no credential/env reads in `tools/`; the live search and downloads succeeded anonymously (only proxy vars present in the environment). • Source selection (R4, AC-003): two adapters registered (`openverse`, `wikimedia_commons`); `--source nope` → invalid_request/exit 2 with `available_sources` listing both; the used source is echoed in `source` and per item. • Topic/count (R5): topic drives the query; `--count` bounds the returned items (observed 1 item for count=1, and count is translated into source page limits). • Size contract (R6, R8, AC-005/AC-006): only images ≥ requested width AND height are kept; a 100×80 PNG and a 96×96 ICO were rejected for a 400×300 request, producing `no_size`/exit 4 distinct from `no_format`/exit 3 and `access_error`/exit 5; each reported item carries its real pixel size read from its bytes. • Format contract (R7, AC-004): JPEG bytes served under a PNG request were rejected as a format mismatch (no_format, exit 3); a real ICO candidate produced `ok` with ICO dimensions and a stored file that parses as ICO (`\x00\x00\x01\x00` directory). • Download (R9, AC-007), live: `--download --output-dir` wrote `/tmp/acc/live1/001-file-nuvola-apps-fsview-png.png`, the path in `items[].download.path` exists and the bytes are a real 128×128 PNG. • Resize (R10, AC-008), live: the same request with `--resize` stored a 64×64 PNG (requested size) with `resize.applied=true`, while the run without the flag stored the untouched 128×128 original; `--resize` never enlarges. • AC-010 (live source, known topic): `--topic "Nuvola icons" --width 64 --height 64 --format png --count 2` returned `status: ok`, exit 0, non-empty list with a working upload.wikimedia.org URL and real dimensions. • AC-011 (blocked access): a non-approved destination (host allowlist refusal) and a transport-level connection refusal both produce `status: access_error`, exit 5, `error.code=candidate_unreadable`, zero items — never a success-looking result. A 429/HTTP-error source also maps to access_error/exit 5. • CI/facade: `python -m compileall tools tests` exit 0, `pytest` 163 passed/1 skipped in 20.84s, `python -m tools.example examples/input.json` exit 0 (`dry_run` envelope), `--help` exit 0; `.gitea/workflows/ci.yaml` runs restore/validate/test/smoke/help stages; `.agent/project.yaml` and the workflow file match the provisioned SHA-256 hashes. Residual (noted, not a requirement breach): the shared egress proxy rate-limits upload.wikimedia.org intermittently (HTTP 429), which is why the repository's live test skipped once in the CI run; retried spaced-out live runs succeeded and were recorded here. In the mixed case where most candidates are unfetchable but one candidate is a different format, the tool reports `no_format` and discloses `unreadable_candidates` in `error.details`; a full outage (no candidate fetchable, as tested) correctly yields `access_error`. This matches the documented status rules and keeps the four outcome classes distinguishable. - Facade validate: `python3 -m compileall tools tests` exit 0; `python3 -m tools.example examples/input.json` exit 0 printing {"status":"dry_run",...}; `python3 -m tools.example --help` exit 0 listing -t/--topic, --width, --height, -f/--format, -s/--source, -c/--count, --download, -o/--output-dir, --resize. - CI test entrypoint: `.venv/bin/python -m pytest -q` → 163 passed, 1 skipped in 20.84s (the single skip is the live-source case, reported as an explicit unresolved skip with the 429 reason). - R2/AC-001 machine-readable envelope: one JSON document per run with keys status/source/request/items/error and exit code derived from status; observed exit codes 0 (ok/dry_run), 2 (invalid_request), 3 (no_format), 4 (no_size), 5 (access_error) — each exercised. - AC-010 live source: `python -m tools.example --topic "Nuvola icons" --width 64 --height 64 --format png --count 2` → exit 0, status ok, item {source: wikimedia_commons, url: https://upload.wikimedia.org/wikipedia/commons/e/ec/Nuvola_apps_fsview.png?..., format: png, width: 128, height: 128, size_bytes: 6884}. - AC-007 live download: `--download --output-dir /tmp/acc/live1` → status ok, reported path exists, bytes start with the PNG signature and IHDR reads 128x128 (matches reported width/height). - AC-008 live resize: same request plus `--resize` stored `001-file-nuvola-apps-fsview-png.png` with IHDR 64x64 and download.resize {applied: true, from 128x128, to 64x64}; the run without the flag stored the unchanged 128x128 original. - AC-003/R4: `python -m tools.example --topic fox --format png --source nope` → exit 2, invalid_request, error.code=source_unknown, details.available_sources=["openverse","wikimedia_commons"]; output also echoes the used source. - AC-004/R7: stub source serving a 800x600 PNG, a 100x80 PNG, JPEG bytes and a real ICO — png request kept only the real PNG; ico request with no ico present → status no_format exit 3; real ICO candidate → status ok with parsed ICO dimensions and a stored file whose header is 00 00 01 00 (96x96). - AC-006/R8: request 400x300 against 100x80 PNG plus a 96x96 ICO → status no_size exit 4 with error.code=no_size_match (distinct from no_format exit 3 and access_error exit 5); 2000x2000 request also yields no_size. - AC-011: candidate URL on a non-approved host via the shipped HTTPSClient → exit 5, status access_error, zero items; transport raising ConnectionRefusedError for an approved host → exit 5, status access_error, zero items; a source raising HTTP 429 → exit 5, status access_error, zero items. - AC-002/R3: `grep -rn 'environ|getenv' tools/` finds no credential/env access; live search and file downloads succeeded with only HTTP(S)_PROXY/NO_PROXY set and no API key or token. - R9 invalid-request rule: `--download` without `--output-dir` → exit 2, error.code=request_field, details.field=output_dir; and `--format jpg` → exit 2, error.code=request_format_unsupported. - REQ-011/AC-009: no Dockerfile/compose/container files in the repository; the tool runs as `python3 -m tools.example ...` on the system interpreter with zero runtime third-party dependencies (pyproject dependencies = []). - Protected/control paths intact: sha256(.agent/project.yaml)=02a8118add68955267bd8fbb329289e2fe0525c554a38467a9d31bb71dcb3948 and sha256(.gitea/workflows/ci.yaml)=f8dbd52316fad573eb1a0aa52ceb5df8577c962fa07662670eb6f2bfcdb04c36 match the provisioned hashes; `git status --porcelain` clean; `git rev-list --left-right --count origin/task/1-task...HEAD` = 0 0.

ai-tester added 12 commits 2026-11-03 02:50:43 +00:00

Initialize agent project facade d4d6297e0a

Initialize dependency declaration 6d79fef8c0

Materialize agent project CI ab7ab98cbf

change: Implement 1: Bootstrap the toolkit tree, project config and initial dependency lock ... d0b7f8f5aa

Bootstrapped the repository-root toolkit tree required by the facade.

- `tools/__init__.py`: minimal importable package exposing `__version__` only.
- `tools/example.py`: offline CLI (`python -m tools.example REQUEST`) that loads and validates a JSON request document with a validate-only `dry_run` semantics, prints exactly one structured JSON envelope (sorted keys) and fixes the status/exit vocabulary now (0 ok, 1 invalid request document, 2 usage error). `--help` supported.
- `examples/input.json`: canonical offline validate-only request document.
- `tests/test_example.py`: focused tests for the smoke command, envelope shape, request-document validation, `--help`, and the module entrypoint (13 tests).
- `pyproject.toml`: project metadata, setuptools build backend with `packages = ["tools"]`, `dev` extra with `pytest>=8.0`, pytest options `pythonpath=["."]` / `testpaths=["tests"]` so the repository root is importable.
- `uv.lock`: created through the supported dependency update operation for the `tools` component; pinned only from the approved dependency mirror (no public-index fallbacks, no credentials).
- `.gitignore` / `.env.example`: keep build artifacts out of the tree and document that no environment variables are required.

Note: `requires-python` was raised to `>=3.11` because the approved mirror only offers `exceptiongroup<1.0.0rc8`, which cannot satisfy pytest on Python <3.11; the prepared environment (CPython 3.12.3) and CI bootstrap interpreter satisfy this. No protected facade paths were modified.

Tests:
Ran the facade commands with the prepared environment (`.venv/bin/python`):
- `python -m compileall -q tools tests` -> OK (tools.validate)
- `python -m pytest -q` -> 13 passed (tools.test)
- `python -m tools.example examples/input.json` -> single JSON envelope, exit 0 (tools.smoke)
- `python -m tools.example --help` -> usage text, exit 0 (help-command)
Dependency lock/materialization performed via prepare_environment(component='tools', mode='update'): resolved + materialized, `uv.lock` written. Target branch `origin/task/1-task` is already an ancestor of HEAD, so the branch contains the current target.

Progress:
Created tools package (tools/__init__.py, tools/example.py), examples/input.json, tests/test_example.py, .gitignore, .env.example; updated pyproject.toml (metadata, setuptools packages, dev pytest extra, pytest pythonpath/testpaths, requires-python >=3.11 due to approved-mirror exceptiongroup constraint) and generated uv.lock via prepare_environment update. Facade validate/test/smoke and --help all pass locally.

Published by developer-agent through Tool Backend.

Closes #3

change: Implement 2: Add the pluggable credential-free image source registry and HTTPS fetch layer ... 1f929c5d38

Added tools/errors.py (typed error hierarchy: ToolkitError -> SourceError -> UnknownSourceError/DuplicateSourceError/SearchRequestError/SourceAccessError with SourceUnreachableError/SourceHTTPError/SourcePayloadError/HostNotAllowedError, each with a stable code, details payload and to_dict()) and tools/sources.py (credential-free image source layer). tools/sources.py provides: an HTTPSClient restricted to the approved hosts commons.wikimedia.org, upload.wikimedia.org and api.openverse.org over HTTPS/443, sending an identifying User-Agent, with bounded exponential retry/backoff (capped) on 429/5xx and typed SourceUnreachableError/SourceHTTPError/SourcePayloadError instead of empty results; a SourceAdapter protocol; WikimediaCommonsAdapter (MediaWiki API generator=search + imageinfo) and OpenverseAdapter (/v1/images/) that pass the caller topic and result limit and normalize results into SourceCandidate records carrying source_id, file_url, reported mime type, dimensions, page URL and a byte-fetch callable; and a SourceRegistry that reports available source ids, rejects duplicate registration and raises UnknownSourceError listing the available ids. No adapter or registry path reads API keys, tokens, registrations or secrets from arguments, environment or config. Added tests/test_sources.py covering registry lookup, duplicate registration, unknown-source errors listing ids, request-URL construction with topic/limit, 429/5xx retry and exhaustion, non-retryable statuses, unreachable hosts, malformed payloads, host allowlist rejection without network contact, candidate normalization and the credential-free guarantee.

Tests:
prepare_environment restore of the tools component (locked env); tools.validate `python -m compileall tools tests` succeeded; tools.test `pytest` succeeded (54 passed, incl. 41 in tests/test_sources.py); tools.smoke `python -m tools.example examples/input.json` returned status ok.

Progress:
Implemented tools/errors.py, tools/sources.py and tests/test_sources.py for the credential-free source registry and HTTPS fetch layer. Verified with the facade commands tools.validate, tools.test (54 passed) and tools.smoke, all green on the integrated branch (target task/1-task was already at HEAD). No protected facade paths touched.

Published by developer-agent through Tool Backend.

Closes #4

change: Implement 3: Complete the native-process CLI, JSON request handling, status vocabulary and exit codes ... f20e58e85c

Completed the native-process CLI for `python -m tools.example`. Added `tools/envelope.py` with the fixed status vocabulary (`ok`, `dry_run`, `invalid_request`, `no_format`, `no_size`, `access_error`, `partial_download`) mapped to exit codes 0/0/2/3/4/5/6 and the `Response`/`ResponseBuilder` JSON envelope (keys: status, source, request, items, error). Extended `tools/errors.py` with request errors (`RequestError`, `RequestDocumentError`, `RequestFieldError`, `UnsupportedFormatError`) and `ACCEPTED_FORMATS`. Rewrote `tools/example.py` as a plain executable CLI accepting either a JSON request document or flags (--topic, --width, --height, --format png|ico, --source, --count, --download, --output-dir, --resize, --dry-run), with a custom parser that turns usage errors into `invalid_request` envelopes, unknown sources reported together with the available source ids, unsupported formats rejected with the accepted values, and format/size filtering, download and partial-download handling mapped onto the shared status table. `examples/input.json` is now the canonical offline dry_run request, and `tests/test_cli.py` (new) plus a rewritten `tests/test_example.py` cover the status/exit-code table, single-JSON-document output, help text, unknown source/unsupported format rejection and the download branches.

Tests:
Facade checks run from /workspace with the prepared .venv: `python -m compileall tools tests` (tools.validate) OK; `pytest` (tools.test) 76 passed; `python -m tools.example examples/input.json` (tools.smoke) exit 0 with a single `dry_run` JSON document; `python -m tools.example --help` exits 0 and documents every parameter plus the JSON document contract. Origin target branch `origin/task/1-task` (1f929c5) is an ancestor of the work branch, so the target is integrated and the checks above ran on the integrated revision. No dependency changes were needed, so no prepare_environment update was required.

Progress:
Implemented envelope status/exit-code table and response builder, request errors, the full flag/JSON-document CLI in tools/example.py, canonical offline examples/input.json, and CLI tests; facade validate/test/smoke and --help all pass (76 tests).

Published by developer-agent through Tool Backend.

Closes #5

change: Implement 3: Complete the native-process CLI, JSON request handling, status vocabulary and exit codes ... 6a7538c07f

Review fix for issue #5: aligned the public CLI's size/resize semantics with the active product obligations instead of the previous exact-match behaviour.

- `tools/example.py`: the requested width/height are now a target (minimum) size, never an exact-match filter: any image at least that large is selected regardless of `--resize`, and smaller images still produce `no_size`. `--resize` no longer widens selection; it now performs real downscaling of downloaded images to a shrink-to-fit box (aspect ratio preserved, never upscaled), implemented with a dependency-free stdlib PNG codec plus ICO container support (PNG-compressed ICO entries), and each item records `from`/`to`/`applied` dimensions. Undecodable payloads raise the new typed `ImageResizeError` and are reported as failed downloads, so the status vocabulary and exit codes stay unchanged (`ok`/`dry_run` 0, `invalid_request` 2, `no_format` 3, `no_size` 4, `access_error` 5, `partial_download` 6). Help text and the `no_size` error details were updated to describe the minimum-size contract.
- `tools/errors.py`: added `ImageResizeError` (code `resize_failed`) to the typed hierarchy and `__all__`.
- `tests/test_cli.py`: replaced the old "exact size unless --resize" test with minimum-size tests (larger image accepted without `--resize`, exact size accepted, `--resize` without `--download` keeps the reported source size) and added offline fixtures/tests for real downscaling: PNG stored at 100x50 for a 100x100 box, original bytes preserved without `--resize`, no upscaling (`already_fits`), PNG-in-ICO downscaling, and `resize_failed` surfacing as `access_error`.
- `examples/input.json` remains the canonical offline `dry_run` request, so the smoke command stays green and network-free.

No protected facade/control paths were touched and no dependency declarations changed.

Tests:
Ran the facade commands on the final revision through the prepared environment (`.venv` on PATH): `python -m compileall tools tests` → exit 0 (tools.validate); `pytest` → 83 passed (tools.test); `python -m tools.example examples/input.json` → exit 0 with one JSON document, status `dry_run` (tools.smoke); `python -m tools.example --help` → exit 0 (help-command acceptance). `tools/envelope.py` is unchanged and still exports the fixed status/exit-code table checked by tests. Target branch `task/1-task` is already an ancestor of the work branch head, so no integration was needed.

Progress:
Addressed the changes-requested review on PR #13: requested width/height are now a minimum target size (selection no longer depends on --resize), and --resize now actually downscales downloaded images (stdlib PNG codec + ICO/PNG container support, shrink-to-fit, never upscaling) with per-item resize metadata and typed ImageResizeError for undecodable payloads. Updated tests/test_cli.py with minimum-size and offline resize/download contract tests (83 passed). Facade validate/test/smoke/help all green; examples/input.json stays the canonical dry_run request.

Published by developer-agent through Tool Backend.

Closes #5

change: Implement 4: Filter candidates by real format and minimum size from downloaded bytes ... b544968cb8

Added tools/images.py with stdlib-only detection of the real image format and pixel dimensions from downloaded bytes (PNG signature + IHDR chunk, ICO ICONDIR/ICONDIRENTRY directory including the 0-means-256 encoding) plus stdlib-only builders (png_bytes, ico_bytes) so tests/sources can produce genuine payloads. Wired it into the CLI search path in tools/example.py: a bounded candidate window derived from --count (candidate_cap = count * 4, capped at 50) is fetched from the selected source, each payload is parsed, and only items whose actual format equals the requested png/ico and whose actual width and height are both at least the requested minimum are kept. Kept items report source, url, format and the actual width/height (plus size_bytes and metadata as extras); verified bytes are reused for --download instead of being fetched twice. Statuses stay distinct: ok (0), no_format (3) when hits were only other formats, no_size (4) when format-matching items were all too small, access_error (5) when bytes could not be fetched or are not readable images, partial_download (6) when some candidates could not be read. All metadata-based filtering (FORMAT_MATCHERS, _matches_format, _matches_size) was removed so only parsed bytes decide. Added tests/test_images.py with detector/builder unit tests and CLI tests using an injected fake byte-fetch callable (no network), and updated tests/test_cli.py fixtures to real image bytes where the previous metadata-only assumption no longer holds.

Tests:
Facade commands run with .venv/bin on PATH after prepare_environment(component=tools, mode=restore): `python -m compileall tools tests` (tools.validate) succeeded; `pytest` (tools.test) => 114 passed, including the new tests/test_images.py (31 tests); `python -m tools.example examples/input.json` (tools.smoke) exited 0 with a single dry_run JSON document; acceptance commands `python -m tools.example --help` exited 0 and `import tools` resolved. Target branch task/1-task is at the same commit as this work branch (git rev-list count 0 ahead / 0 behind), so it is already integrated; facade/protected paths untouched.

Progress:
Implemented byte-based format and minimum-size filtering for the image search path. New tools/images.py: detect_format (png/ico plus jpeg/gif/bmp/webp so "other format" is distinguishable from "unreadable"), read_png_dimensions (IHDR), read_ico_dimensions (ICONDIR entries, 0 => 256, largest entry), inspect_image/ImageInfo, ImageFormatError (code image_unreadable), and png_bytes/ico_bytes builders. tools/example.py: candidate_cap(count) bounded window (count*4, max 50) requested from the source, _select() fetches and parses every candidate, KeptImage.to_item() reports source/url/format/actual width+height/size_bytes, _download() writes the already verified bytes, and _execute() distinguishes ok/no_format/no_size/access_error/partial_download with the existing exit codes; metadata-based filtering removed. tests/test_images.py added (31 tests) and tests/test_cli.py fixtures aligned to real image bytes. All facade commands pass: compileall, pytest (114 passed), smoke, help, package import.

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Closes #6

change: Implement 4: Filter candidates by real format and minimum size from downloaded bytes ... d5bb24fc01

Fix for review-fix on issue #6: non-PNG/ICO hits in the bounded candidate window are now classified as format mismatches instead of access problems, so working searches no longer degrade to `partial_download` (exit 6) or `access_error` (exit 5).

Changes:
- `tools/images.py`: `detect_format` now also names the formats a live image source commonly serves instead (svg, tiff, pdf) alongside png/ico/jpeg/gif/bmp/webp, so "the topic has images, but not in the requested format" is describable; `ImageFormatError` is documented as reserved for genuinely unusable bytes (unknown container, or a png/ico header that is truncated/corrupt).
- `tools/example.py`: `_select()` counts any payload whose detected format differs from the request (including payloads that are not a recognised image at all, e.g. an HTML error page) as a format rejection and records `observed_formats`; only an unfetchable candidate is a failure. `Selection` gained `other_formats`. `_execute()` now returns `no_size` when format-matching items were all too small, `no_format` when the topic only offered other formats (or no hits at all), and `access_error` only when not a single candidate could be fetched; a stray unfetchable candidate no longer demotes a successful search to `partial_download`. Status/exit-code vocabulary (`ok`/`no_format` 3/`no_size` 4/`access_error` 5/`partial_download` 6) is unchanged.
- `tests/test_images.py`: added svg/tiff/pdf fixtures and detection cases, plus regression tests for the reviewed behaviour — mixed-format window still `ok` (exit 0), ico request with only foreign formats yields `no_format` (exit 3) with `observed_formats`, too-small format matches still yield `no_size` (exit 4), non-image body yields `no_format` not `access_error`, unfetchable candidate does not demote a usable search, corrupt png does not hide a valid match, empty window is `no_format`, fetch failure still `access_error`.
- `tests/test_cli.py`: the former "unreadable payload is an access error" test now asserts `no_format` for a non-image body, matching the classification.

Filtering still uses only the parsed downloaded bytes (PNG IHDR / ICO directory) and never source-reported metadata, and the candidate cap derived from `--count` is unchanged.

Tests:
Ran the facade commands from /workspace with the prepared virtualenv on PATH: `python -m compileall tools tests` (validate, ok), `python -m pytest` (test, 129 passed), `python -m tools.example examples/input.json` (smoke, exit 0, dry_run envelope) and `python -m tools.example --help` (acceptance, exit 0). Dependencies restored via prepare_environment (component tools, mode restore). Target branch origin/task/1-task is already an ancestor of the work branch HEAD (verified with git merge-base), so no extra integration commit was needed; the checks ran on the integrated revision.

Progress:
Addressed changes-requested review on PR #14: the CLI no longer turns common live-source results into partial_download/access_error. Any payload whose real format is not the requested png/ico (jpeg, gif, bmp, webp, svg, tiff, pdf, or an unrecognised body such as an HTML page) is now a format mismatch feeding no_format, with observed_formats/other_format_candidates detail; only unfetchable candidates are failures, and access_error is emitted only when nothing at all could be fetched. images.detect_format gained svg/tiff/pdf recognition and ImageFormatError is scoped to genuinely unusable png/ico payloads. Statuses/exits unchanged (no_format 3, no_size 4, access_error 5). Tests extended in tests/test_images.py (svg/tiff/pdf detection, mixed-format window stays ok, ico-only-foreign yields no_format, no_size preserved alongside other formats, non-image body is no_format, unfetchable candidate does not demote a search, corrupt png does not hide a match, empty window) and tests/test_cli.py aligned. Facade validate/test/smoke/help all green (129 passed) on the integrated branch; no protected facade paths touched.

Published by developer-agent through Tool Backend.

Closes #6

change: Implement 5: Save selected images to the caller directory and downscale only behind the resize flag ... 810ce59af4

Implemented image saving into the caller directory and exact-size downscaling behind --resize.

tools/images.py: added stdlib-only helpers `png_chunks`, `decode_png`, `encode_png`, `ico_wrap`, `ico_unwrap`, plus `decode_image`, `resample_rows`, `encode_image` and the `DecodedImage` dataclass; also fixed a real pixel-stride bug in RGBA upsampling (channel step was used as pixel stride, corrupting 8-bit pixels).

tools/example.py: removed the inlined codec (now delegated to tools.images); `--download` writes each selected image into the caller-specified directory; each stored file is read back and decoded, so a reported path only names a file that exists and opens as the requested format (`format`/`width`/`height`/`bytes` reported per item, no path for a failed item); `--download` without `--output-dir` is now an `invalid_request` (`request_field`, field=output_dir) instead of a hidden default, and DEFAULT_OUTPUT_DIR is gone; `--resize` stores exactly the requested width/height (one open dimension keeps the source value), re-encodes in the requested format, never upscales and leaves a fitting image's bytes untouched; a per-item save failure is reported in that item and ends the run with `partial_download` (exit 6), including `saved_paths` in the error details.

tests/test_download_resize.py: new focused suite over tmp_path dirs and locally built png/ico fixtures (save paths exist and decode, requested-format check, missing --output-dir invalid_request, failing save => partial_download, exact resize dims for png and ico, no upscaling, byte/dimension preservation without --resize, plus codec round-trip tests).
tests/test_cli.py: updated the aspect-ratio resize expectation to the required exact 100x100 stored size.

Target branch task/1-task is already the current head (d5bb24f), so the tested revision contains the target.

Tests:
Facade commands run from /workspace with .venv/bin on PATH (prepared via prepare_environment tools restore): `python -m compileall tools tests` (tools.validate) OK; `python -m tools.example examples/input.json` (tools.smoke) exit 0 with status dry_run; `python -m tools.example --help` (acceptance help-command) exit 0; `python -c "import tools, tools.example, tools.images"` (package_import) OK; `pytest` (tools.test, the exact facade entrypoint) => 142 passed. New tests: tests/test_download_resize.py (13 tests). No network-dependent live-source check was run (sandbox has no egress); all fixtures are locally built real png/ico payloads.

Progress:
Completed issue 7: stdlib PNG/ICO decode/encode/wrap/unwrap plus resample helpers live in tools/images.py; tools/example.py saves selected images into the caller directory, requires --output-dir with --download (invalid_request otherwise), verifies every stored file by decoding it before reporting its path, downscales to exactly the requested width/height in the requested format only when --resize is set (never upscaling, otherwise byte-identical), and reports a per-item save failure with the partial_download status/exit code. New tests in tests/test_download_resize.py cover all of that; tests/test_cli.py resize expectation aligned with the exact-size requirement. Facade validate/smoke/help/import all pass and `pytest` reports 142 passed on the revision that already contains target task/1-task.

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Closes #7

change: Implement 6: Verify every CLI status branch end to end and run the live credential-free source check ... d506c7a652

Added executable, process-level verification for every CLI status branch plus a live credential-free source check.

- `tests/test_status_branches.py` (new): each case starts a fresh interpreter that runs the real `tools.example.main` entry point as a subprocess with a scrubbed environment (no API/KEY/TOKEN/SECRET/PASSWORD/CREDENTIAL/AUTH variables) and an injected offline source registry. It asserts the whole contract — exactly one JSON document with the fixed five keys, the expected `status`, the matching exit code, and the echoed source/request — for `ok`, `no_format`, `no_size`, `access_error` (both candidate-fetch and search failures), `invalid_request`/unknown source and `partial_download`. It also proves the branches have mutually distinct exit codes, that `no_format`/`no_size` are distinct explanations and never access errors, that partial download names only files that really exist, and that the shipped `examples/input.json` request runs and parses.
- `tests/test_live_source.py` (new): searches a known Wikimedia Commons topic for png at ≥64x64 with no credential variables present, asserting the process contract on every live answer; on success it records the observed JSON (record_property + artifact file) and independently re-fetches each reported URL to prove it serves real PNG bytes at the reported dimensions. When the approved hosts are unusable the case is reported as an explicit unresolved skip carrying the observed status/reason — synthetic results are never substituted. In this environment the run observed `access_error` because `upload.wikimedia.org` returned HTTP 429 for every candidate, and the test skipped with that exact reason; an always-passing offline credential-free dry-run case keeps the live file green.
- No product code, facade paths or dependency declarations were changed; the target branch `task/1-task` is already contained in the work branch.

Tests:
Ran through the facade entrypoints with the prepared `.venv`: `tools.validate` (`python -m compileall tools tests`) → OK; `tools.test` (`pytest`) → 158 passed, 1 skipped (the live case skipped as an explicit unresolved egress failure: upload.wikimedia.org HTTP 429, reason recorded); `tools.smoke` (`python -m tools.example examples/input.json`) → exit 0 with a parsed dry_run envelope. Also ran the two new files directly: 16 passed, 1 skipped.

Progress:
Added tests/test_status_branches.py (subprocess-driven checks for ok, no_format, no_size, access_error x2, invalid_request/unknown-source, partial_download: status + exit code + source/request echo + single JSON document, distinctness, saved-path truthfulness, shipped example run) and tests/test_live_source.py (credential-free live Commons png search with recorded observation and real-dimension/URL re-verification, explicit unresolved skip with observed reason when egress is unusable). Facade validate/test/smoke all succeed; target branch already integrated; no product or protected facade files touched.

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Closes #8

change: Implement 7: Document the tool-calling contract, statuses, exit codes and native-process usage ... 2e8e70e765

Rewrote README.md as the delivered tool-calling contract for the calling AI agent and added tests/test_readme.py to keep it synchronized with the implementation.

README.md now documents:
- Native-process usage only: `python -m tools.example` with no Docker, container image or packaging stage, Python >= 3.11, no runtime third-party dependencies.
- Every parameter exactly as produced by `--help`: positional `REQUEST.json`, `-t/--topic`, `--width`, `--height`, `-f/--format` (`png|ico`), `-s/--source` (default `wikimedia_commons`), `-c/--count` (1-50, default 10), `--download`, `-o/--output-dir`, `--resize`, `--dry-run`; width/height documented as minimums and the "document XOR flags" rule.
- The JSON request document form used by `examples/input.json`: field table, types, defaults, optional `version`, and the document-level invalid_request rules.
- The single-document JSON response schema: fixed keys `status`, `source`, `request`, `items`, `error`; item fields (actual format/width/height, `url`/`file_url`, `size_bytes`), download record, resize fragment and the verified-save failure record.
- The fixed status vocabulary with its exit codes: `ok`=0, `dry_run`=0, `invalid_request`=2, `no_format`=3, `no_size`=4, `access_error`=5, `partial_download`=6, plus why no_match/outage are distinguishable.
- Approved free sources (`wikimedia_commons`, `openverse`) with no API keys, tokens or registration, the approved HTTPS host allowlist, and the registry extension point (`SourceAdapter`, `SourceRegistry.register/unregister`, `build_registry()`/`default_registry()`, host allowlist extension).
- Both decided behaviours: `--download` without `--output-dir` is an invalid request (invalid_request / exit 2), and partial saves are reported as `partial_download` (exit 6) with `download_incomplete` details while saved paths are still reported.
- The real test entrypoint `pytest` plus the compileall/help/smoke commands.

tests/test_readme.py asserts the README documents every long option the real parser accepts, the accepted formats, every status with its exit code from STATUS_EXIT_CODES, the response keys, every registered source id, the registry extension names, both product decisions, native-process wording, and the real pytest/compileall/help/smoke commands.

Tests:
Ran the facade check set with .venv/bin on PATH after `prepare_environment(component=tools, mode=restore)`:
- `pytest -q` -> 163 passed, 1 skipped (pre-existing tests/test_live_source.py live-network skip: Wikimedia upload host returns HTTP 429 from this sandbox).
- `python -m compileall -q tools tests` -> ok.
- `python -m tools.example --help` -> exit 0.
- `python -m tools.example examples/input.json` -> exit 0, one JSON dry_run envelope.
- `pytest tests/test_readme.py -q` -> 5 passed.
Also confirmed `git merge-base --is-ancestor origin/task/1-task HEAD` (target branch already integrated, zero diff), so no integration step was required.

Progress:
Delivered the documentation slice for issue 9. README.md was a two-line placeholder; it is now the full tool-calling contract: CLI parameters matching `--help` output, the JSON request-document form for examples/input.json, the single-document response schema, the fixed status vocabulary with exit codes (ok/dry_run=0, invalid_request=2, no_format=3, no_size=4, access_error=5, partial_download=6), credential-free sources and the registry extension point, the decided --download-without---output-dir invalid-request behaviour, partial_download reporting for incomplete saves, and plain native-process execution with the real pytest entrypoint. Added tests/test_readme.py (5 tests) so CI fails if documentation drifts from build_parser(), STATUS_EXIT_CODES, ACCEPTED_FORMATS or the default registry. No protected facade paths or source behaviour changed; existing obligations preserved (full suite green apart from the pre-existing live-source skip).

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Closes #9

ai-tester added the auto:allowedrole:reviewerstatus:in-review labels 2026-11-03 02:50:44 +00:00

ai-tester referenced this pull request 2026-11-03 02:50:45 +00:00

Implement 8: Verify assembled product against the effective requirements #10

ai-dev added the claim:active label 2026-11-03 02:50:46 +00:00

ai-reviewer approved these changes 2026-11-03 02:51:13 +00:00

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Deterministic finalization passed: Tester evidence, exact head SHA, branch contract, CI, mergeability, and provisioned control-file digests are valid.

Deterministic finalization passed: Tester evidence, exact head SHA, branch contract, CI, mergeability, and provisioned control-file digests are valid.

ai-reviewer merged commit 44473a1055 into master 2026-11-03 02:51:14 +00:00

ai-reviewer deleted branch task/1-task 2026-11-03 02:51:14 +00:00

ai-dev added status:accepted and removed claim:activerole:reviewerstatus:in-review labels 2026-11-03 02:51:15 +00:00

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Reference: projects/product-54354138-1#18