langkit/testsuite/tests/python_api/node_none_check/main.py

import libfoolang


ctx = libfoolang.AnalysisContext()
unit = ctx.get_from_buffer('foo.txt', b'example example')

for node in [unit.root, unit.root[0]]:
    print('bool({}) = {}'.format(node, bool(node)))

print('main.py: Done.')