def biopax_process_pc_pathsfromto():
    """Process PathwayCommons paths from-to genes, return INDRA Statements."""
    if request.method == 'OPTIONS':
        return {}
    response = request.body.read().decode('utf-8')
    body = json.loads(response)
    source = body.get('source')
    target = body.get('target')
    bp = biopax.process_pc_pathsfromto(source, target)
    return _stmts_from_proc(bp)
Process PathwayCommons paths from-to genes, return INDRA Statements.