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RC-049: Review of PY-FIX-001

Metadata

Key Value
ID RC-049
CrossReference PY-FIX-001, QC-PY-001

Version History

Date Status Author Reviewer Change Commit
2026-10-15 Accepted Jens Tirsvad Nielsen AI as stand-in for S01 Initial version 061b4f4

Artifact Under Review

  • Instance reviewed: PY-FIX-001
  • Checklist used: QC-PY-001
  • Scope: full review
  • Language and domain: n/a (technical type)
  • Language reviewer: none
  • Mode: autonomous, not independent (reviewer is AI as stand-in for S01)

Checklist Results

# Criterion Status Evidence/Notes
1 Packages, modules, functions, variables, classes and constants follow PEP 8 casing (snake_case, PascalCase, UPPER_SNAKE) Pass The fixture and names follow PEP 8 (fake_tk_root).
2 Names state purpose in the domain's language; no unexplained abbreviations, no single-letter names outside tiny scopes Pass Names state purpose.
3 Code is produced by the project's formatter and passes its linter with no unexplained suppressions Pass ruff check and ruff format --check pass with no suppressions.
4 Every function and method signature is type-annotated, including -> None Pass The fixture is annotated -> None; mypy --strict passes on 45 source files.
5 No bare except:, no swallowed exceptions; specific exceptions are raised and the cause is kept (raise ... from) Pass No exception handling in the change.
6 No mutable default arguments and no shadowed builtins Pass No mutable defaults.
7 Files, locks and connections are managed with context managers N-A No file handling in the change.
8 Public modules, classes and functions have docstrings that say what, not how N-A Tests are excluded from the docstring rules; the fixture has a one-line docstring.
9 Logging uses logging, not print; no secrets or personal data in log output Pass No print, no logging in the change.
10 Classes and operations trace to the Design Class Diagram they implement; deviations are recorded Pass No class or operation changed; the change is in a test of app.main.
11 Tests exist for new behaviour, are named for the behaviour, and do not depend on order or the network Pass The change makes the test independent of a real Tk root: 20 consecutive full runs (216 tests) were green after 2 failures in 12 runs before; real Tk stays covered by tests/e2e.
12 Type checker runs in strict mode without errors; Any is justified in a comment Pass mypy --strict reports no issue.
13 Dependencies are declared and pinned in the project's dependency file, none unused Pass No dependency change.
14 Each piece of knowledge (a business rule, constant, format, validation or query) is defined in one place; code is merged only where it expresses the same knowledge, not where it merely looks alike Pass The fake root is the module's existing _FakeRoot, used once by an autouse fixture instead of per test.
15 Imports point inward: business-rule modules import no framework, database, UI or delivery-mechanism code, and there are no import cycles Pass No source import changed; lint-imports kept.
16 SOLID holds: a class or module has one reason to change; new behaviour is added by extension, not by editing a type test in several places; subclasses honour the contract of their base; protocols are narrow; high-level code depends on protocols or abstract types and receives its implementations Pass One fixture with one responsibility.
17 Source is laid out in the layers and folders of the clean architecture folder structure (domain, application, infrastructure, presentation packages under src/, and unit, integration and e2e under tests/), in snake_case, and imports between the layers point inward Pass Test file stays in tests/unit.
18 File and folder names are English, contain no space and no character outside letters, digits, -, _ and ., and follow the casing of the language for files Pass File names unchanged.

Overall Verdict

Go — every Mandatory criterion passes. Reviewed by AI as stand-in for S01; not independent of the author.

Defect fixed: an unpatched app.main call created a real tk.Tk() inside a unit test, which failed in about 1 of 6 full runs (the only Tk process limit and Tcl handle problem seen in MIL-005). Found after the MIL-009 merge, outside any milestone task, so no issue is closed. Go.

Action Items

Action Owner Due
none - -