Initial commit

hooks/posttooluse.py

@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+"""PostToolUse hook executor for hookify plugin.
+
+This script is called by Claude Code after a tool executes.
+It reads .claude/hookify.*.local.md files and evaluates rules.
+"""
+
+import os
+import sys
+import json
+
+# CRITICAL: Add plugin root to Python path for imports
+PLUGIN_ROOT = os.environ.get('CLAUDE_PLUGIN_ROOT')
+if PLUGIN_ROOT:
+    parent_dir = os.path.dirname(PLUGIN_ROOT)
+    if parent_dir not in sys.path:
+        sys.path.insert(0, parent_dir)
+    if PLUGIN_ROOT not in sys.path:
+        sys.path.insert(0, PLUGIN_ROOT)
+
+try:
+    from hookify.core.config_loader import load_rules
+    from hookify.core.rule_engine import RuleEngine
+except ImportError as e:
+    error_msg = {"systemMessage": f"Hookify import error: {e}"}
+    print(json.dumps(error_msg), file=sys.stdout)
+    sys.exit(0)
+
+
+def main():
+    """Main entry point for PostToolUse hook."""
+    try:
+        # Read input from stdin
+        input_data = json.load(sys.stdin)
+
+        # Determine event type based on tool
+        tool_name = input_data.get('tool_name', '')
+        event = None
+        if tool_name == 'Bash':
+            event = 'bash'
+        elif tool_name in ['Edit', 'Write', 'MultiEdit']:
+            event = 'file'
+
+        # Load rules
+        rules = load_rules(event=event)
+
+        # Evaluate rules
+        engine = RuleEngine()
+        result = engine.evaluate_rules(rules, input_data)
+
+        # Always output JSON (even if empty)
+        print(json.dumps(result), file=sys.stdout)
+
+    except Exception as e:
+        error_output = {
+            "systemMessage": f"Hookify error: {str(e)}"
+        }
+        print(json.dumps(error_output), file=sys.stdout)
+
+    finally:
+        # ALWAYS exit 0
+        sys.exit(0)
+
+
+if __name__ == '__main__':
+    main()