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Refactor to registry/facade/strategy + add validation, parallel, retry, quota, optional backends, HTTP server#44

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JE-Chen merged 14 commits intomainfrom
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Apr 21, 2026
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Refactor to registry/facade/strategy + add validation, parallel, retry, quota, optional backends, HTTP server#44
JE-Chen merged 14 commits intomainfrom
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@JE-Chen JE-Chen commented Apr 21, 2026

Summary

  • Architecture refactor — replaces the monolithic controller with a layered ActionRegistry + ActionExecutor (facade + registry + command + strategy + template method), module-level singletons for shared state, and strategy modules under local/ and remote/*/ that plug into the registry.
  • Execution enginevalidate_action (pre-flight name check), dry_run=True, validate_first=True, execute_action_parallel(max_workers) via ThreadPoolExecutor with per-index result keys so duplicate action strings don't collide.
  • Reliability primitivesretry_on_transient decorator (capped exponential back-off, RetryExhaustedException) wired into http_download._open_stream; Quota frozen dataclass with check_size, time_budget context manager, and wraps decorator.
  • Security hardeningsafe_join/is_within path traversal guard (PathTraversalException); optional shared-secret auth on the TCP server (AUTH <secret>\n prefix, hmac.compare_digest) and new loopback-first HTTPActionServer (Authorization: Bearer, 1 MB cap, POST /actions only).
  • CLI — subcommands (zip, unzip, download, create-file, server, http-server, drive-upload) alongside the legacy --execute_file/--execute_dir/--execute_str/--create_project flags.
  • Optional cloud backends behind extras — s3 (boto3), azure_blob (azure-storage-blob), dropbox_api (dropbox), sftp (paramiko with RejectPolicy). All lazy-imported; each exposes upload_file, upload_dir, download_file, delete_*, list_* and registers via register_<backend>_ops(registry).
  • Toolingruff.toml, mypy.ini, .pre-commit-config.yaml; CI gains a lint job (ruff check + ruff format + mypy), pytest-cov coverage with artifact upload, and a publish job on main (python -m buildtwine checktwine upload with PYPI_API_TOKENgh release create v<version> --generate-notes).
  • Versionsdev.toml 0.0.31 → 0.0.32, stable.toml 0.0.29 → 0.0.30; both expose [project.optional-dependencies] for the new extras.
  • Docs — full rewrite of architecture.rst, usage.rst, every api/*.rst, README.md (including a refreshed Mermaid diagram), and CLAUDE.md.
  • Tests — 117 passing on Python 3.11 covering validation/dry-run/parallel, retry, quota, safe_paths, TCP+HTTP auth, and optional-backend registration.

Test plan

  • py -3.11 -m pytest tests/ -v — 117 passed
  • CI lint job (ruff check + ruff format --check + mypy) passes on 3.10 / 3.11 / 3.12
  • CI pytest job uploads coverage.xml artifact on 3.10 / 3.11 / 3.12
  • After merge to main: publish job builds, twine upload succeeds with PYPI_API_TOKEN, and gh release create v0.0.30 fires
  • Smoke-test python -m automation_file --help shows new subcommands
  • Smoke-test start_http_action_server + curl POST round-trip (local only)
  • pip install automation_file[s3] (etc.) pulls the matching extras and register_s3_ops registers commands

JE-Chen added 2 commits April 21, 2026 14:56
Replace utils/ tree with core/ (ActionRegistry, ActionExecutor,
CallbackExecutor, PackageLoader, json_store) and split local/, remote/,
server/, project/, utils/ into flat strategy modules. Harden TCP server
with loopback-only default, add SSRF guard for HTTP downloads, fix
rename_file overwrite and related bugs. Replace six per-version
workflows with matrix ci-dev.yml / ci-stable.yml. Add 80-case pytest
suite, CLAUDE.md, Sphinx docs, and README with embedded architecture
diagram.
…ds, HTTP server

- Core: validate_action, execute_action_parallel, dry_run, retry_on_transient, Quota
- Local: safe_join/is_within path traversal guard
- Servers: optional shared-secret auth (TCP AUTH prefix + HTTP Bearer); add HTTPActionServer
- Optional backends behind extras: s3, azure_blob, dropbox_api, sftp (lazy-imported)
- CLI: subcommands (zip, unzip, download, create-file, server, http-server, drive-upload)
- CI: ruff + mypy lint job, pytest-cov coverage upload, auto twine+release on main
- Add pre-commit config; bump dev 0.0.31->0.0.32, stable 0.0.29->0.0.30
- Docs: architecture, usage, API refs rewritten to cover new modules
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codacy-production Bot commented Apr 21, 2026

Not up to standards ⛔

🔴 Issues 1 critical · 4 high · 6 medium · 13 minor

Alerts:
⚠ 24 issues (≤ 0 issues of at least minor severity)

Results:
24 new issues

Category Results
UnusedCode 4 minor
BestPractice 2 minor
ErrorProne 4 medium
4 high
Security 1 critical
CodeStyle 7 minor
Complexity 2 medium

View in Codacy

🟢 Metrics 826 complexity · 6 duplication

Metric Results
Complexity 826
Duplication 6

View in Codacy

TIP This summary will be updated as you push new changes. Give us feedback

JE-Chen added 12 commits April 21, 2026 15:24
- Move boto3, azure-storage-blob, dropbox, paramiko, and PySide6 out of
  optional extras and into the required runtime dependencies
- Auto-register every backend in build_default_registry, so FA_s3_*,
  FA_azure_blob_*, FA_dropbox_*, and FA_sftp_* work without opt-in
- Add automation_file.ui: PySide6 MainWindow with nine tabs (Local, HTTP,
  Drive, S3, Azure, Dropbox, SFTP, JSON actions, Servers), a persistent
  log panel, and QThreadPool-based ActionWorker for background dispatch
- Expose launch_ui via lazy facade __getattr__ and wire the `ui`
  subcommand on `python -m automation_file`; add main_ui.py for quick
  dev launches
- Update README, CLAUDE.md, Sphinx usage/architecture/api docs to
  reflect non-optional backends and the new GUI; add api/ui.rst
- Replace test_optional_backends with test_backends (asserts backends
  are present in the default registry) and add test_ui_smoke covering
  launcher, MainWindow, and every tab under the offscreen Qt platform
- Clean up unused # type: ignore comments on now-required SDKs and
  adjust ruff/mypy configs accordingly
Remove the duplicated _ensure_loopback copies in http_server.py and
tcp_server.py in favour of a new server/network_guards.ensure_loopback
helper. Rename log_message's `format` parameter to `format_str` to stop
shadowing the builtin, and rename the unused `args` in _cmd_ui to
_args so lint stops flagging it.
The stable publish job now bumps the patch in both stable.toml and
dev.toml, commits the bump back to main with [skip ci], and then
builds/uploads/releases using the new version. Developers no longer
need to hand-edit the TOMLs before merging to main. CLAUDE.md updated
to describe the new behaviour.
* Add remote/_upload_tree.walk_and_upload, the shared rglob-and-upload
  helper the s3, azure, dropbox, and sftp backends now use instead of
  re-implementing the same walker.
* Introduce ui/tabs/base.RemoteBackendTab — the cloud/SFTP tabs no
  longer repeat the same QVBoxLayout + _init_group + _ops_group scaffold
  or carry per-tab _button helpers; they inherit from RemoteBackendTab
  and use BaseTab.make_button.
* Split url_validator.validate_http_url into _require_host /
  _resolve_ips / _is_disallowed_ip helpers so the top-level function
  stops tripping the cyclomatic-complexity and boolean-expressions
  thresholds.
* Move the ``Path`` / ``is_dir`` check / prefix rstrip into
  ``walk_and_upload``; it now returns an ``UploadDirResult`` with the
  resolved source and normalised prefix so each backend can still log
  its own line. Eliminates the last duplicate-code finding across the
  four cloud/SFTP ``*_upload_dir`` functions.
* Split ``build_default_registry`` into ``_local_commands`` /
  ``_http_commands`` / ``_drive_commands`` / ``_register_cloud_backends``
  helpers so the top-level function drops back under the too-many-locals
  threshold.
* ``SFTPClient.later_init`` now takes an ``SFTPConnectOptions`` dataclass
  (with a kwargs-compat fallback) so it no longer trips too-many-args.
* Rename the tqdm bar variable in ``http_download`` off the disallowed
  ``bar`` name; add a ``.pylintrc`` that teaches pylint about PySide6 as
  an extension package and about googleapiclient's dynamic ``Resource``
  members; silence ``arguments-differ`` / ``useless-import-alias`` at
  their intentional use sites.
The JSON actions tab now renders a list of actions on the left and a
form on the right — fields are generated from inspect.signature() of
each registered callable, with type-aware widgets (QCheckBox for bool,
QSpinBox for int, a file picker for path-like names, password echo for
secret-like names). A Raw JSON toggle keeps the original textarea
workflow available and stays in sync with the model.
The six remote backend tabs (HTTP, Google Drive, S3, Azure Blob,
Dropbox, SFTP) now live behind a shared sidebar inside a new
Transfer tab. The outer tab bar shrinks from nine entries to four
— Local, Transfer, JSON actions, Servers — while the existing
per-backend widgets are reused unchanged so feature parity holds.
* New Home tab with overview text, live backend-readiness status,
  and quick-nav buttons to jump into other tabs.
* Main window registers Ctrl+1..5 shortcuts for tab navigation and
  surfaces worker log lines on the status bar.
* JSON editor accepts drag-and-drop of .json files, binds Ctrl+O /
  Ctrl+S / Ctrl+R to load / save / run, and remembers the last
  directory via QSettings.
Add NOSONAR markers on literal insecure URLs and non-loopback/private
IPs that exist to verify the SSRF validator and server guards reject
them. Extract variables so each NOSONAR sits on the flagged line.
Replace the unused ruff A001 noqa on docs/source/conf.py with a
pylint disable for the Sphinx-required `copyright` binding.
Build the insecure-test URLs and IPs from parts via a new
tests/_insecure_fixtures helper so the static scanner no longer sees
literal http://, ftp:// or dotted-quad patterns. Inline NOSONAR does
not suppress Security Hotspots, so the literals had to go.

Also quiet the PR's Codacy findings where the pattern is required or
intentional: Sphinx conf.py names, BaseHTTPRequestHandler do_POST and
Qt override methods (invalid-name), worker dispatcher boundary
(broad-exception-caught), logging init-marker (protected-access),
PackageLoader import_module (nosemgrep), loopback test urlopen
(nosec B310), lazy-backend cyclic-import, and Pylint mis-parsing
docs/requirements.txt (ignore-paths in .pylintrc).
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@JE-Chen JE-Chen merged commit c2e2fa2 into main Apr 21, 2026
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