_apipkg.py 文件源码

def initpkg(pkgname, exportdefs, attr=dict()):
    """ initialize given package from the export definitions. """
    oldmod = sys.modules.get(pkgname)
    d = {}
    f = getattr(oldmod, '__file__', None)
    if f:
        f = _py_abspath(f)
    d['__file__'] = f
    if hasattr(oldmod, '__version__'):
        d['__version__'] = oldmod.__version__
    if hasattr(oldmod, '__loader__'):
        d['__loader__'] = oldmod.__loader__
    if hasattr(oldmod, '__path__'):
        d['__path__'] = [_py_abspath(p) for p in oldmod.__path__]
    if '__doc__' not in exportdefs and getattr(oldmod, '__doc__', None):
        d['__doc__'] = oldmod.__doc__
    d.update(attr)
    if hasattr(oldmod, "__dict__"):
        oldmod.__dict__.update(d)
    mod = ApiModule(pkgname, exportdefs, implprefix=pkgname, attr=d)
    sys.modules[pkgname] = mod