def process_input_files(inputs):
    """
    Read input source files for execution of legacy @export / @exportmany
    decorators.
    """
    for ifile in inputs:
        with open(ifile) as fin:
            exec(compile(fin.read(), ifile, 'exec'))

    Read input source files for execution of legacy @export / @exportmany
    decorators.
    
numba/pycc/decorators.py