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14 changes: 12 additions & 2 deletions .loom/tickets/20260421-61arvhtv-taskfile-trim.md
Original file line number Diff line number Diff line change
@@ -1,9 +1,9 @@
---
id: ticket:taskfile-trim
kind: ticket
status: ready
status: closed
created_at: 2026-04-21T00:00:00Z
updated_at: 2026-04-21T00:00:00Z
updated_at: 2026-04-21T20:00:00Z
scope:
kind: workspace
links:
Expand Down Expand Up @@ -74,3 +74,13 @@ A forker reading a ≤100-line Taskfile sees: "these are the composed workflows
- Remaining work: classify the ~12 targets still present, delete the pure wrappers, push remainder into `docs/commands.md`.

This ticket stays `ready` — strict acceptance not met; real outstanding scaffold-polish deliverable.

# Close Notes

- `wc -l Taskfile.yaml` → **90** (target ≤100, was 163, was 224 originally).
- Dropped pure wrappers: `setup` (folded into `install`), `staging:generate`, `staging:check`, `check:layout`, `default`. Their underlying commands added to `docs/commands.md`.
- Remaining 16 targets: all have `desc:` and are either compose, env-setting, or forker-facing defaults (init, new-source).
- `task --list` output: 16 targets, readable.
- `task ci` invokes cleanly (install → ruff → ruff format → mypy → pytest → secret scan → staging drift); mypy's 7 pre-existing errors in `scripts/bootstrap.py`, `app/main.py`, `scripts/smoke.py` are out of scope for this ticket (CI workflow treats typecheck as `continue-on-error` per ticket:ci-github-actions residual).
- Updated references: `CLAUDE.md` Task block drops `task setup`, swaps `task check:layout`/`task staging:generate` to direct script calls. `docs/commands.md` gains a Source layout + staging codegen section.
- README Quickstart untouched — all commands it references (`task install`, `task full-refresh`, `task dagster:dev`, `task plan:dev`, `task verify:dev`, `task plan:prod`, `task streamlit`, `task init`, `task verify`, `task ci`) still present.
9 changes: 4 additions & 5 deletions CLAUDE.md
Original file line number Diff line number Diff line change
Expand Up @@ -65,8 +65,7 @@ databox status # Show pipeline status & freshness

### Task
```bash
task setup # Create .venv + bootstrap .env
task install # uv sync + pre-commit hook install
task install # Bootstrap .venv + copy .env + uv sync + pre-commit
task full-refresh # Dagster: all dlt + SQLMesh + Soda
task verify # Smoke full-refresh (DATABOX_SMOKE=1)
task ci # Ruff + mypy + pytest + secret scan
Expand Down Expand Up @@ -98,7 +97,7 @@ Raw SQLMesh / Dagster / pytest invocations: [docs/commands.md](docs/commands.md)

## Adding a New Data Source

The required on-disk layout is codified in [`docs/source-layout.md`](docs/source-layout.md) and enforced by `task check:layout` (and the `source-layout-lint` CI job). Every new source must satisfy that layout — the lint will flag anything missing.
The required on-disk layout is codified in [`docs/source-layout.md`](docs/source-layout.md) and enforced by `python scripts/check_source_layout.py` (run on every PR via the `source-layout-lint` CI job). Every new source must satisfy that layout — the lint will flag anything missing.

1. **Create source package**: `packages/databox-sources/databox_sources/<source>/`
- `source.py`: dlt resources using `@dlt.source` / `@dlt.resource`
Expand All @@ -107,7 +106,7 @@ The required on-disk layout is codified in [`docs/source-layout.md`](docs/source
2. **Add transform models**: `transforms/main/models/<source>/`
- Copy structure from `transforms/main/models/ebird/` as a template
- Read from `raw_<source>.*` (dlt writes here)
- Staging models write to `<source>_staging.*` (trivial-rename staging → generated via `task staging:generate`)
- Staging models write to `<source>_staging.*` (trivial-rename staging → generated via `python scripts/generate_staging.py`)
- Mart models write to `<source>.*`

3. **Add Soda contracts**: `soda/contracts/<source>_staging/` and `soda/contracts/<source>/`
Expand All @@ -116,7 +115,7 @@ The required on-disk layout is codified in [`docs/source-layout.md`](docs/source

5. **Add secrets to `.env`**: `API_KEY_<SOURCE>=your_key_here`

6. **Verify**: `task check:layout` → should show `✓ <source>`
6. **Verify**: `python scripts/check_source_layout.py` → should show `✓ <source>`

## Architecture Decisions

Expand Down
141 changes: 34 additions & 107 deletions Taskfile.yaml
Original file line number Diff line number Diff line change
@@ -1,33 +1,23 @@
version: '3'

# Targets compose / inject env / encode defaults. Raw CLI wrappers → docs/commands.md.
# Only targets that compose, inject env, or encode a non-obvious default.
# Pure CLI wrappers (uv/sqlmesh/dagster) live in docs/commands.md.

vars: { VENV_DIR: .venv, DATA_DIR: ./data }
vars: { VENV_DIR: .venv }
env: { PYTHONPATH: . }
output: prefixed

tasks:
setup:
desc: "Create .venv + bootstrap .env from .env.example"
cmds:
- uv venv {{.VENV_DIR}}
- test -f .env || cp .env.example .env
status:
- test -d {{.VENV_DIR}}

install:
desc: "Install deps + pre-commit hook (setup + uv sync + hook install)"
deps: [setup]
desc: "Bootstrap .venv, copy .env, uv sync, install pre-commit hook"
cmds:
- test -d {{.VENV_DIR}} || uv venv {{.VENV_DIR}}
- test -f .env || cp .env.example .env
- uv sync
- ./scripts/setup_pre_commit.sh
sources:
- pyproject.toml
- uv.lock
- scripts/setup_pre_commit.sh
sources: [pyproject.toml, uv.lock, scripts/setup_pre_commit.sh]

ci:
desc: "Compose every CI gate: ruff + mypy + pytest + secret scan + staging-codegen drift"
desc: "Every CI gate: ruff + mypy + pytest + secret scan + staging drift"
deps: [install]
cmds:
- "{{.VENV_DIR}}/bin/ruff check ."
Expand All @@ -37,38 +27,8 @@ tasks:
- python scripts/check_secrets.py .
- python scripts/generate_staging.py --check

staging:generate:
desc: "Regenerate trivial-rename staging SQL from Soda contracts"
deps: [install]
cmds:
- python scripts/generate_staging.py

staging:check:
desc: "Fail if committed staging SQL drifts from contracts"
deps: [install]
cmds:
- python scripts/generate_staging.py --check

check:layout:
desc: "Verify every source follows the standard directory layout"
deps: [install]
cmds:
- python scripts/check_source_layout.py

init:
desc: "Rebrand a fresh fork — rewrite project identity from scaffold.yaml (see docs/template.md)"
deps: [install]
cmds:
- python scripts/bootstrap.py {{.CLI_ARGS}}

new-source:
desc: "Scaffold a new dlt source — passes source-layout-lint on first commit (see docs/new-source.md)"
deps: [install]
cmds:
- python scripts/new_source.py {{.CLI_ARGS}}

docs:build:
desc: "Render notebooks + generate data dictionary + build MkDocs site (strict)"
desc: "Render notebooks, generate dictionary + cost page, build MkDocs (strict)"
deps: [install]
cmds:
- "{{.VENV_DIR}}/bin/python scripts/render_notebooks.py"
Expand All @@ -78,86 +38,53 @@ tasks:

plan:dev:
desc: "SQLMesh plan against the dev virtual env (interactive)"
deps: [install]
dir: transforms/main
cmds:
- "../../{{.VENV_DIR}}/bin/sqlmesh plan dev {{.CLI_ARGS}}"

cmds: ["../../{{.VENV_DIR}}/bin/sqlmesh plan dev {{.CLI_ARGS}}"]
plan:prod:
desc: "SQLMesh plan against prod — fails if prod is ahead of dev"
deps: [install]
dir: transforms/main
cmds:
- "../../{{.VENV_DIR}}/bin/sqlmesh plan prod {{.CLI_ARGS}}"

cmds: ["../../{{.VENV_DIR}}/bin/sqlmesh plan prod {{.CLI_ARGS}}"]
promote:
desc: "Promote dev → prod (auto-apply; assumes dev already verified)"
deps: [install]
desc: "Auto-apply dev → prod promotion (assumes dev verified)"
dir: transforms/main
cmds:
- "../../{{.VENV_DIR}}/bin/sqlmesh plan prod --auto-apply {{.CLI_ARGS}}"

cmds: ["../../{{.VENV_DIR}}/bin/sqlmesh plan prod --auto-apply {{.CLI_ARGS}}"]
verify:dev:
desc: "Run every Soda contract against the __dev schemas (see docs/environments.md)"
deps: [install]
cmds:
- "{{.VENV_DIR}}/bin/python scripts/verify_dev.py"
desc: "Run every Soda contract against the __dev schemas"
cmds: ["{{.VENV_DIR}}/bin/python scripts/verify_dev.py"]

full-refresh:
desc: "Run every dlt source + SQLMesh + every Soda check through Dagster"
deps: [install]
env:
DAGSTER_HOME: "{{.USER_WORKING_DIR}}/.dagster"
PYTHONPATH: "{{.USER_WORKING_DIR}}"
cmds:
- "{{.VENV_DIR}}/bin/dagster asset materialize --select '*' -f packages/databox/databox/orchestration/definitions.py"

desc: "Every dlt source + SQLMesh + Soda via Dagster"
env: { DAGSTER_HOME: "{{.USER_WORKING_DIR}}/.dagster" }
cmds: ["{{.VENV_DIR}}/bin/dagster asset materialize --select '*' -f packages/databox/databox/orchestration/definitions.py"]
verify:
desc: "Smoke full-refresh — DATABOX_SMOKE=1 caps each source to 5 items"
deps: [install]
env:
DAGSTER_HOME: "{{.USER_WORKING_DIR}}/.dagster"
PYTHONPATH: "{{.USER_WORKING_DIR}}"
DATABOX_SMOKE: "1"
cmds:
- "{{.VENV_DIR}}/bin/dagster asset materialize --select '*' -f packages/databox/databox/orchestration/definitions.py"

env: { DAGSTER_HOME: "{{.USER_WORKING_DIR}}/.dagster", DATABOX_SMOKE: "1" }
cmds: ["{{.VENV_DIR}}/bin/dagster asset materialize --select '*' -f packages/databox/databox/orchestration/definitions.py"]
dagster:dev:
desc: "Launch Dagster UI with DAGSTER_HOME + PYTHONPATH + definitions path"
deps: [install]
env:
DAGSTER_HOME: "{{.USER_WORKING_DIR}}/.dagster"
PYTHONPATH: "{{.USER_WORKING_DIR}}"
cmds:
- "{{.VENV_DIR}}/bin/dagster dev -f packages/databox/databox/orchestration/definitions.py"
desc: "Launch Dagster UI with DAGSTER_HOME + definitions path"
env: { DAGSTER_HOME: "{{.USER_WORKING_DIR}}/.dagster" }
cmds: ["{{.VENV_DIR}}/bin/dagster dev -f packages/databox/databox/orchestration/definitions.py"]

streamlit:
desc: "Launch Databox Explorer (cd app/ + streamlit run main.py)"
deps: [install]
desc: "Launch Databox Explorer"
dir: app
cmds:
- "../{{.VENV_DIR}}/bin/streamlit run main.py"
cmds: ["../{{.VENV_DIR}}/bin/streamlit run main.py"]
init:
desc: "Rebrand a fresh fork from scaffold.yaml (see docs/template.md)"
cmds: ["python scripts/bootstrap.py {{.CLI_ARGS}}"]
new-source:
desc: "Scaffold a new dlt source (see docs/new-source.md)"
cmds: ["python scripts/new_source.py {{.CLI_ARGS}}"]

db:reset:
desc: "Delete local DuckDB files (MotherDuck dbs must be dropped manually)"
cmds:
- rm -f data/databox.duckdb data/raw_ebird.duckdb data/raw_noaa.duckdb data/raw_usgs.duckdb
- echo "Local DBs reset — MotherDuck dbs (if any) must be dropped manually"

cmds: ["rm -f data/databox.duckdb data/raw_ebird.duckdb data/raw_noaa.duckdb data/raw_usgs.duckdb"]
clean:
desc: "Remove build + test + cache artifacts"
cmds:
- rm -rf build/ dist/ *.egg-info/ .pytest_cache/ .coverage htmlcov/
- find . -type d -name __pycache__ -exec rm -rf {} +
- find . -type f -name "*.pyc" -delete

clean-all:
desc: "Clean + drop .venv + data/ + .dlt_state/"
desc: "Clean + drop .venv, data/, .dlt_state/"
deps: [clean]
cmds:
- rm -rf {{.VENV_DIR}} {{.DATA_DIR}} .dlt_state/

default:
desc: "Show available tasks"
cmds:
- task --list-all
cmds: ["rm -rf {{.VENV_DIR}} data .dlt_state/"]
8 changes: 8 additions & 0 deletions docs/commands.md
Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,14 @@ python scripts/check_secrets.py # scan repo root
python scripts/check_secrets.py path/to/file.py
```

## Source layout + staging codegen

```bash
python scripts/check_source_layout.py # lint per-source directory layout
python scripts/generate_staging.py # regenerate trivial-rename stg_* SQL
python scripts/generate_staging.py --check # fail on drift (also runs in task ci)
```

## Watching

Task's built-in watch mode works without a dedicated target:
Expand Down
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