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Zhongwei Li
207
skills/fluxwing-component-creator/scripts/validate_component.py
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207
skills/fluxwing-component-creator/scripts/validate_component.py
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#!/usr/bin/env python3
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"""
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Fast, deterministic component validation using JSON Schema.
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Replaces the removed fluxwing-validator agent with reliable script.
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Usage:
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python validate_component.py <component.uxm> <schema.json>
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Returns:
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Exit 0 if valid, Exit 1 if errors found
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JSON output with validation results
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"""
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import json
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import sys
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import re
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from pathlib import Path
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try:
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from jsonschema import validate, ValidationError, Draft7Validator
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except ImportError:
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print("Error: jsonschema library not found. Install with: pip install jsonschema")
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sys.exit(2)
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def validate_component(uxm_file_path: str, schema_path: str) -> dict:
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"""
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Validate a .uxm component file against the schema.
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Returns:
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{
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"valid": bool,
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"errors": [list of error messages],
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"warnings": [list of warnings],
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"stats": {component stats}
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}
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"""
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# Load component
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try:
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with open(uxm_file_path) as f:
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component = json.load(f)
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except json.JSONDecodeError as e:
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return {
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"valid": False,
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"errors": [{
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"path": [],
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"message": f"Invalid JSON: {e.msg} at line {e.lineno}",
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"type": "json_error"
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}],
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"warnings": [],
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"stats": {}
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}
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except FileNotFoundError:
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return {
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"valid": False,
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"errors": [{
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"path": [],
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"message": f"Component file not found: {uxm_file_path}",
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"type": "file_not_found"
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}],
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"warnings": [],
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"stats": {}
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}
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# Load schema
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try:
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with open(schema_path) as f:
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schema = json.load(f)
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except FileNotFoundError:
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return {
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"valid": False,
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"errors": [{
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"path": [],
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"message": f"Schema file not found: {schema_path}",
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"type": "file_not_found"
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}],
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"warnings": [],
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"stats": {}
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}
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# Validate against schema
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validator = Draft7Validator(schema)
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errors = []
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for error in validator.iter_errors(component):
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errors.append({
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"path": list(error.path),
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"message": error.message,
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"type": "schema_violation"
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})
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# Additional uxscii-specific checks
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warnings = []
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# Check 1: ASCII file exists
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md_file = uxm_file_path.replace('.uxm', '.md')
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if not Path(md_file).exists():
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errors.append({
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"path": ["ascii", "templateFile"],
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"message": f"ASCII template file not found: {md_file}",
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"type": "missing_file"
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})
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else:
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# Check 2: Template variables match
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with open(md_file) as f:
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md_content = f.read()
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# Extract {{variables}} from markdown
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md_vars = set(re.findall(r'\{\{(\w+)\}\}', md_content))
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# Get variables from .uxm (handle both formats: array of strings or array of objects)
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ascii_vars = component.get('ascii', {}).get('variables', [])
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if ascii_vars and isinstance(ascii_vars[0], dict):
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# Array of objects format: [{"name": "text", "type": "string"}]
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uxm_vars = {v['name'] for v in ascii_vars if isinstance(v, dict) and 'name' in v}
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else:
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# Array of strings format: ["text", "value"]
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uxm_vars = set(ascii_vars)
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missing = md_vars - uxm_vars
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if missing:
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warnings.append({
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"path": ["ascii", "variables"],
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"message": f"Variables in .md but not defined in .uxm: {', '.join(sorted(missing))}",
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"type": "variable_mismatch"
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})
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# Check 3: Accessibility requirements
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if component.get('behavior', {}).get('interactive'):
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accessibility = component.get('accessibility', {})
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if not accessibility.get('role'):
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warnings.append({
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"path": ["accessibility", "role"],
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"message": "Interactive component should have ARIA role",
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"type": "accessibility"
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})
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if not accessibility.get('focusable'):
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warnings.append({
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"path": ["accessibility", "focusable"],
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"message": "Interactive component should be focusable",
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"type": "accessibility"
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})
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# Check 4: ASCII dimensions
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ascii_config = component.get('ascii', {})
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width = ascii_config.get('width', 0)
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height = ascii_config.get('height', 0)
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if width > 120:
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warnings.append({
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"path": ["ascii", "width"],
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"message": f"Width {width} exceeds recommended max of 120",
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"type": "dimensions"
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})
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if height > 50:
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warnings.append({
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"path": ["ascii", "height"],
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"message": f"Height {height} exceeds recommended max of 50",
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"type": "dimensions"
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})
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# Check 5: States should have properties
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states = component.get('behavior', {}).get('states', [])
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for state in states:
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if 'properties' not in state:
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warnings.append({
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"path": ["behavior", "states", state.get('name', 'unknown')],
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"message": f"State '{state.get('name')}' has no properties defined",
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"type": "incomplete_state"
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})
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return {
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"valid": len(errors) == 0,
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"errors": errors,
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"warnings": warnings,
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"stats": {
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"id": component.get('id'),
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"type": component.get('type'),
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"version": component.get('version'),
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"states": len(component.get('behavior', {}).get('states', [])),
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"props": len(component.get('props', {})),
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"interactive": component.get('behavior', {}).get('interactive', False),
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"has_accessibility": bool(component.get('accessibility'))
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}
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}
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def main():
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if len(sys.argv) < 3:
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print("Usage: validate_component.py <component.uxm> <schema.json>")
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print()
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print("Validates a uxscii component against the JSON schema.")
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print("Returns JSON with validation results and exits 0 if valid, 1 if invalid.")
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sys.exit(1)
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uxm_file = sys.argv[1]
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schema_file = sys.argv[2]
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result = validate_component(uxm_file, schema_file)
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print(json.dumps(result, indent=2))
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sys.exit(0 if result["valid"] else 1)
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if __name__ == "__main__":
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main()
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