DevX: pre-commit hook (size cap + pytest), Makefile, and VS Code tasks

- .githooks/pre-commit to enforce 98MB max and run pytest
- Makefile for venv/install/test/run
- .vscode/tasks.json for one-click setup/run in VS Code

Author: mauriciomenon

.githooks/pre-commit

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+MAX=$((102760448)) # 98MB in bytes
+
+echo "[pre-commit] Checking file sizes (max 98MB)..."
+# Check staged files
+while IFS= read -r -d '' f; do
+  if [ -f "$f" ]; then
+    sz=$(wc -c <"$f" | tr -d ' ')
+    if [ "$sz" -ge "$MAX" ]; then
+      echo "Error: staged file exceeds 98MB: $f ($sz bytes)" >&2
+      exit 1
+    fi
+  fi
+done < <(git diff --cached --name-only -z)
+
+# Check tracked files as extra safety
+while IFS= read -r -d '' f; do
+  if [ -f "$f" ]; then
+    sz=$(wc -c <"$f" | tr -d ' ')
+    if [ "$sz" -ge "$MAX" ]; then
+      echo "Error: tracked file exceeds 98MB: $f ($sz bytes)" >&2
+      exit 1
+    fi
+  fi
+done < <(git ls-files -z)
+
+echo "[pre-commit] Running pytest (if available)..."
+if command -v pytest >/dev/null 2>&1; then
+  QT_QPA_PLATFORM=offscreen pytest -q
+elif [ -x ".venv/bin/pytest" ]; then
+  QT_QPA_PLATFORM=offscreen .venv/bin/pytest -q
+else
+  echo "pytest not found, skipping tests. Install with: python -m pip install -r requirements.txt" >&2
+fi
+
+echo "[pre-commit] OK"

.vscode/tasks.json

@@ -0,0 +1,41 @@
+{
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "label": "setup venv",
+      "type": "shell",
+      "command": "python3 -m venv .venv && . .venv/bin/activate && python -m pip install --upgrade pip",
+      "problemMatcher": []
+    },
+    {
+      "label": "install deps",
+      "type": "shell",
+      "command": ". .venv/bin/activate && python -m pip install -r requirements.txt",
+      "problemMatcher": []
+    },
+    {
+      "label": "pytest",
+      "type": "shell",
+      "command": "QT_QPA_PLATFORM=offscreen . .venv/bin/activate && pytest -q",
+      "problemMatcher": []
+    },
+    {
+      "label": "run PyQt6 GUI",
+      "type": "shell",
+      "command": ". .venv/bin/activate && python GUI_pyqt6_WINFF.py",
+      "problemMatcher": []
+    },
+    {
+      "label": "run Tkinter GUI",
+      "type": "shell",
+      "command": ". .venv/bin/activate && python GUI_tkinter_WINFF.py",
+      "problemMatcher": []
+    },
+    {
+      "label": "install hooks",
+      "type": "shell",
+      "command": "git config core.hooksPath .githooks && chmod +x .githooks/pre-commit",
+      "problemMatcher": []
+    }
+  ]
+}

Makefile

@@ -0,0 +1,25 @@
+PY ?= python
+PIP ?= $(PY) -m pip
+
+.PHONY: venv install test lint run-pyqt run-tk hooks
+
+venv:
+	$(PY) -m venv .venv
+	. .venv/bin/activate && $(PIP) install --upgrade pip
+
+install:
+	. .venv/bin/activate && $(PIP) install -r requirements.txt
+
+test:
+	QT_QPA_PLATFORM=offscreen . .venv/bin/activate && pytest -q
+
+run-pyqt:
+	. .venv/bin/activate && $(PY) GUI_pyqt6_WINFF.py
+
+run-tk:
+	. .venv/bin/activate && $(PY) GUI_tkinter_WINFF.py
+
+hooks:
+	git config core.hooksPath .githooks
+	chmod +x .githooks/pre-commit
+	@echo "Git hooks installed."