Mathias STRASSER
aedde6707e
Les enseignants ont besoin de moyennes à jour immédiatement après la publication ou modification des notes, sans attendre un batch nocturne. Le système recalcule via Domain Events synchrones : statistiques d'évaluation (min/max/moyenne/médiane), moyennes matières pondérées (normalisation /20), et moyenne générale par élève. Les résultats sont stockés dans des tables dénormalisées avec cache Redis (TTL 5 min). Trois endpoints API exposent les données avec contrôle d'accès par rôle. Une commande console permet le backfill des données historiques au déploiement.
446 lines
15 KiB
Python
446 lines
15 KiB
Python
#!/usr/bin/env python3
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"""Deterministic pre-pass for agent structure and capabilities scanner.
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Extracts structural metadata from a BMad agent skill that the LLM scanner
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can use instead of reading all files itself. Covers:
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- Frontmatter parsing and validation
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- Section inventory (H2/H3 headers)
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- Template artifact detection
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- Agent name validation (bmad-{code}-agent-{name} or bmad-agent-{name})
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- Required agent sections (Overview, Identity, Communication Style, Principles, On Activation)
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- Memory path consistency checking
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- Language/directness pattern grep
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- On Exit / Exiting section detection (invalid)
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"""
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# /// script
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# requires-python = ">=3.9"
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# dependencies = [
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# "pyyaml>=6.0",
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# ]
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# ///
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from __future__ import annotations
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import argparse
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import json
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import re
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import sys
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from datetime import datetime, timezone
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from pathlib import Path
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try:
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import yaml
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except ImportError:
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print("Error: pyyaml required. Run with: uv run prepass-structure-capabilities.py", file=sys.stderr)
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sys.exit(2)
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# Template artifacts that should NOT appear in finalized skills
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TEMPLATE_ARTIFACTS = [
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r'\{if-complex-workflow\}', r'\{/if-complex-workflow\}',
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r'\{if-simple-workflow\}', r'\{/if-simple-workflow\}',
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r'\{if-simple-utility\}', r'\{/if-simple-utility\}',
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r'\{if-module\}', r'\{/if-module\}',
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r'\{if-headless\}', r'\{/if-headless\}',
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r'\{if-autonomous\}', r'\{/if-autonomous\}',
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r'\{if-sidecar\}', r'\{/if-sidecar\}',
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r'\{displayName\}', r'\{skillName\}',
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]
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# Runtime variables that ARE expected (not artifacts)
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RUNTIME_VARS = {
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'{user_name}', '{communication_language}', '{document_output_language}',
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'{project-root}', '{output_folder}', '{planning_artifacts}',
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'{headless_mode}',
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}
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# Directness anti-patterns
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DIRECTNESS_PATTERNS = [
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(r'\byou should\b', 'Suggestive "you should" — use direct imperative'),
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(r'\bplease\b(?! note)', 'Polite "please" — use direct imperative'),
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(r'\bhandle appropriately\b', 'Ambiguous "handle appropriately" — specify how'),
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(r'\bwhen ready\b', 'Vague "when ready" — specify testable condition'),
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]
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# Invalid sections
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INVALID_SECTIONS = [
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(r'^##\s+On\s+Exit\b', 'On Exit section found — no exit hooks exist in the system, this will never run'),
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(r'^##\s+Exiting\b', 'Exiting section found — no exit hooks exist in the system, this will never run'),
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]
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def parse_frontmatter(content: str) -> tuple[dict | None, list[dict]]:
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"""Parse YAML frontmatter and validate."""
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findings = []
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fm_match = re.match(r'^---\s*\n(.*?)\n---\s*\n', content, re.DOTALL)
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if not fm_match:
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findings.append({
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'file': 'SKILL.md', 'line': 1,
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'severity': 'critical', 'category': 'frontmatter',
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'issue': 'No YAML frontmatter found',
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})
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return None, findings
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try:
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fm = yaml.safe_load(fm_match.group(1))
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except yaml.YAMLError as e:
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findings.append({
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'file': 'SKILL.md', 'line': 1,
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'severity': 'critical', 'category': 'frontmatter',
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'issue': f'Invalid YAML frontmatter: {e}',
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})
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return None, findings
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if not isinstance(fm, dict):
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findings.append({
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'file': 'SKILL.md', 'line': 1,
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'severity': 'critical', 'category': 'frontmatter',
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'issue': 'Frontmatter is not a YAML mapping',
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})
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return None, findings
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# name check
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name = fm.get('name')
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if not name:
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findings.append({
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'file': 'SKILL.md', 'line': 1,
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'severity': 'critical', 'category': 'frontmatter',
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'issue': 'Missing "name" field in frontmatter',
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})
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elif not re.match(r'^[a-z0-9]+(-[a-z0-9]+)*$', name):
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findings.append({
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'file': 'SKILL.md', 'line': 1,
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'severity': 'high', 'category': 'frontmatter',
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'issue': f'Name "{name}" is not kebab-case',
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})
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elif not (re.match(r'^bmad-[a-z0-9]+-agent-[a-z0-9]+(-[a-z0-9]+)*$', name)
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or re.match(r'^bmad-agent-[a-z0-9]+(-[a-z0-9]+)*$', name)):
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findings.append({
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'file': 'SKILL.md', 'line': 1,
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'severity': 'medium', 'category': 'frontmatter',
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'issue': f'Name "{name}" does not follow bmad-{{code}}-agent-{{name}} or bmad-agent-{{name}} pattern',
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})
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# description check
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desc = fm.get('description')
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if not desc:
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findings.append({
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'file': 'SKILL.md', 'line': 1,
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'severity': 'high', 'category': 'frontmatter',
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'issue': 'Missing "description" field in frontmatter',
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})
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elif 'Use when' not in desc and 'use when' not in desc:
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findings.append({
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'file': 'SKILL.md', 'line': 1,
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'severity': 'medium', 'category': 'frontmatter',
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'issue': 'Description missing "Use when..." trigger phrase',
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})
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# Extra fields check — only name and description allowed for agents
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allowed = {'name', 'description'}
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extra = set(fm.keys()) - allowed
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if extra:
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findings.append({
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'file': 'SKILL.md', 'line': 1,
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'severity': 'low', 'category': 'frontmatter',
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'issue': f'Extra frontmatter fields: {", ".join(sorted(extra))}',
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})
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return fm, findings
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def extract_sections(content: str) -> list[dict]:
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"""Extract all H2/H3 headers with line numbers."""
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sections = []
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for i, line in enumerate(content.split('\n'), 1):
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m = re.match(r'^(#{2,3})\s+(.+)$', line)
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if m:
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sections.append({
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'level': len(m.group(1)),
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'title': m.group(2).strip(),
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'line': i,
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})
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return sections
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def check_required_sections(sections: list[dict]) -> list[dict]:
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"""Check for required and invalid sections."""
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findings = []
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h2_titles = [s['title'] for s in sections if s['level'] == 2]
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required = ['Overview', 'Identity', 'Communication Style', 'Principles', 'On Activation']
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for req in required:
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if req not in h2_titles:
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findings.append({
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'file': 'SKILL.md', 'line': 1,
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'severity': 'high', 'category': 'sections',
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'issue': f'Missing ## {req} section',
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})
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# Invalid sections
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for s in sections:
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if s['level'] == 2:
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for pattern, message in INVALID_SECTIONS:
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if re.match(pattern, f"## {s['title']}"):
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findings.append({
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'file': 'SKILL.md', 'line': s['line'],
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'severity': 'high', 'category': 'invalid-section',
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'issue': message,
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})
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return findings
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def find_template_artifacts(filepath: Path, rel_path: str) -> list[dict]:
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"""Scan for orphaned template substitution artifacts."""
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findings = []
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content = filepath.read_text(encoding='utf-8')
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for pattern in TEMPLATE_ARTIFACTS:
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for m in re.finditer(pattern, content):
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matched = m.group()
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if matched in RUNTIME_VARS:
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continue
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line_num = content[:m.start()].count('\n') + 1
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findings.append({
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'file': rel_path, 'line': line_num,
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'severity': 'high', 'category': 'artifacts',
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'issue': f'Orphaned template artifact: {matched}',
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'fix': 'Resolve or remove this template conditional/placeholder',
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})
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return findings
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def extract_memory_paths(skill_path: Path) -> tuple[list[str], list[dict]]:
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"""Extract all memory path references across files and check consistency."""
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findings = []
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memory_paths = set()
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# Memory path patterns
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mem_pattern = re.compile(r'(?:memory/|sidecar/)[\w\-/]+(?:\.\w+)?')
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files_to_scan = []
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skill_md = skill_path / 'SKILL.md'
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if skill_md.exists():
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files_to_scan.append(('SKILL.md', skill_md))
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for subdir in ['prompts', 'resources']:
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d = skill_path / subdir
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if d.exists():
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for f in sorted(d.iterdir()):
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if f.is_file() and f.suffix in ('.md', '.json', '.yaml', '.yml'):
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files_to_scan.append((f'{subdir}/{f.name}', f))
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for rel_path, filepath in files_to_scan:
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content = filepath.read_text(encoding='utf-8')
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for m in mem_pattern.finditer(content):
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memory_paths.add(m.group())
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sorted_paths = sorted(memory_paths)
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# Check for inconsistent formats
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prefixes = set()
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for p in sorted_paths:
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prefix = p.split('/')[0]
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prefixes.add(prefix)
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memory_prefixes = {p for p in prefixes if 'memory' in p.lower()}
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sidecar_prefixes = {p for p in prefixes if 'sidecar' in p.lower()}
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if len(memory_prefixes) > 1:
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findings.append({
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'file': 'multiple', 'line': 0,
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'severity': 'medium', 'category': 'memory-paths',
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'issue': f'Inconsistent memory path prefixes: {", ".join(sorted(memory_prefixes))}',
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})
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if len(sidecar_prefixes) > 1:
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findings.append({
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'file': 'multiple', 'line': 0,
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'severity': 'medium', 'category': 'memory-paths',
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'issue': f'Inconsistent sidecar path prefixes: {", ".join(sorted(sidecar_prefixes))}',
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})
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return sorted_paths, findings
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def check_prompt_basics(skill_path: Path) -> tuple[list[dict], list[dict]]:
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"""Check each prompt file for config header and progression conditions."""
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findings = []
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prompt_details = []
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skip_files = {'SKILL.md'}
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prompt_files = [f for f in sorted(skill_path.iterdir())
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if f.is_file() and f.suffix == '.md' and f.name not in skip_files]
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if not prompt_files:
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return prompt_details, findings
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for f in prompt_files:
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content = f.read_text(encoding='utf-8')
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rel_path = f.name
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detail = {'file': f.name, 'has_config_header': False, 'has_progression': False}
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# Config header check
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if '{communication_language}' in content or '{document_output_language}' in content:
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detail['has_config_header'] = True
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else:
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findings.append({
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'file': rel_path, 'line': 1,
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'severity': 'medium', 'category': 'config-header',
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'issue': 'No config header with language variables found',
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})
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# Progression condition check
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lower = content.lower()
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prog_keywords = ['progress', 'advance', 'move to', 'next stage', 'when complete',
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'proceed to', 'transition', 'completion criteria']
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if any(kw in lower for kw in prog_keywords):
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detail['has_progression'] = True
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else:
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findings.append({
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'file': rel_path, 'line': len(content.split('\n')),
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'severity': 'high', 'category': 'progression',
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'issue': 'No progression condition keywords found',
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})
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# Directness checks
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for pattern, message in DIRECTNESS_PATTERNS:
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for m in re.finditer(pattern, content, re.IGNORECASE):
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line_num = content[:m.start()].count('\n') + 1
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findings.append({
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'file': rel_path, 'line': line_num,
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'severity': 'low', 'category': 'language',
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'issue': message,
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})
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# Template artifacts
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findings.extend(find_template_artifacts(f, rel_path))
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prompt_details.append(detail)
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return prompt_details, findings
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def scan_structure_capabilities(skill_path: Path) -> dict:
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"""Run all deterministic agent structure and capability checks."""
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all_findings = []
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# Read SKILL.md
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skill_md = skill_path / 'SKILL.md'
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if not skill_md.exists():
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return {
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'scanner': 'structure-capabilities-prepass',
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'script': 'prepass-structure-capabilities.py',
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'version': '1.0.0',
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'skill_path': str(skill_path),
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'timestamp': datetime.now(timezone.utc).isoformat(),
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'status': 'fail',
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'issues': [{'file': 'SKILL.md', 'line': 1, 'severity': 'critical',
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'category': 'missing-file', 'issue': 'SKILL.md does not exist'}],
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'summary': {'total_issues': 1, 'by_severity': {'critical': 1, 'high': 0, 'medium': 0, 'low': 0}},
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}
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skill_content = skill_md.read_text(encoding='utf-8')
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# Frontmatter
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frontmatter, fm_findings = parse_frontmatter(skill_content)
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all_findings.extend(fm_findings)
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# Sections
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sections = extract_sections(skill_content)
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section_findings = check_required_sections(sections)
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all_findings.extend(section_findings)
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# Template artifacts in SKILL.md
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all_findings.extend(find_template_artifacts(skill_md, 'SKILL.md'))
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# Directness checks in SKILL.md
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for pattern, message in DIRECTNESS_PATTERNS:
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for m in re.finditer(pattern, skill_content, re.IGNORECASE):
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line_num = skill_content[:m.start()].count('\n') + 1
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all_findings.append({
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'file': 'SKILL.md', 'line': line_num,
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'severity': 'low', 'category': 'language',
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'issue': message,
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})
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# Memory path consistency
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memory_paths, memory_findings = extract_memory_paths(skill_path)
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all_findings.extend(memory_findings)
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# Prompt basics
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prompt_details, prompt_findings = check_prompt_basics(skill_path)
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all_findings.extend(prompt_findings)
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# Build severity summary
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by_severity = {'critical': 0, 'high': 0, 'medium': 0, 'low': 0}
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for f in all_findings:
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sev = f['severity']
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if sev in by_severity:
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by_severity[sev] += 1
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status = 'pass'
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if by_severity['critical'] > 0:
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status = 'fail'
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elif by_severity['high'] > 0:
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status = 'warning'
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return {
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'scanner': 'structure-capabilities-prepass',
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'script': 'prepass-structure-capabilities.py',
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'version': '1.0.0',
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'skill_path': str(skill_path),
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'timestamp': datetime.now(timezone.utc).isoformat(),
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'status': status,
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'metadata': {
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'frontmatter': frontmatter,
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'sections': sections,
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},
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'prompt_details': prompt_details,
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'memory_paths': memory_paths,
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'issues': all_findings,
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'summary': {
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'total_issues': len(all_findings),
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'by_severity': by_severity,
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},
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}
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def main() -> int:
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parser = argparse.ArgumentParser(
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description='Deterministic pre-pass for agent structure and capabilities scanning',
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)
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parser.add_argument(
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'skill_path',
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type=Path,
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help='Path to the skill directory to scan',
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)
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parser.add_argument(
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'--output', '-o',
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type=Path,
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help='Write JSON output to file instead of stdout',
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)
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args = parser.parse_args()
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if not args.skill_path.is_dir():
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print(f"Error: {args.skill_path} is not a directory", file=sys.stderr)
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return 2
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result = scan_structure_capabilities(args.skill_path)
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output = json.dumps(result, indent=2)
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if args.output:
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args.output.parent.mkdir(parents=True, exist_ok=True)
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args.output.write_text(output)
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print(f"Results written to {args.output}", file=sys.stderr)
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else:
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print(output)
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return 0 if result['status'] == 'pass' else 1
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if __name__ == '__main__':
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sys.exit(main())
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