recompiler.py 文件源码

def _verify(ffi, module_name, preamble, *args, **kwds):
    # FOR TESTS ONLY
    from testing.udir import udir
    import imp
    assert module_name not in sys.modules, "module name conflict: %r" % (
        module_name,)
    kwds.setdefault('tmpdir', str(udir))
    outputfilename = recompile(ffi, module_name, preamble, *args, **kwds)
    module = imp.load_dynamic(module_name, outputfilename)
    #
    # hack hack hack: copy all *bound methods* from module.ffi back to the
    # ffi instance.  Then calls like ffi.new() will invoke module.ffi.new().
    for name in dir(module.ffi):
        if not name.startswith('_'):
            attr = getattr(module.ffi, name)
            if attr is not getattr(ffi, name, object()):
                setattr(ffi, name, attr)
    def typeof_disabled(*args, **kwds):
        raise NotImplementedError
    ffi._typeof = typeof_disabled
    for name in dir(ffi):
        if not name.startswith('_') and not hasattr(module.ffi, name):
            setattr(ffi, name, NotImplemented)
    return module.lib