FreeBSD pkg: find all files that are not associated with a package (not registered in the package database)

find_no_pkg.py

#! /usr/bin/env python2

import os
import re
import shlex
import subprocess
import sys
from contextlib import closing
from sqlite3 import dbapi2 as sqlite

PKG_DB = '/var/db/pkg/local.sqlite'

DIRS = ['/usr/local']

n = 0
with sqlite.connect(PKG_DB) as pkg_db, closing(pkg_db.cursor()) as dbc:
	for dir in DIRS:
		for dirpath, dirnames, filenames in os.walk(dir):
			for filename in filenames:
				filepath = os.path.join(dirpath, filename)
				dbc.execute('SELECT package_id FROM files WHERE path = ?', (filepath, ))
				row = dbc.fetchone()
				if not row:
					print filepath