issue_server101.py 文件源码

def get_value_from_name(name, globs=None):
    """
    Given a name, return the corresponding value.

    @param globs: A namespace to check for the value, if there is no
        module containing the named value.  Defaults to __builtin__.
    """
    name = DottedName(name)

    # Import the topmost module/package.  If we fail, then check if
    # the requested name refers to a builtin.
    try:
        module = _import(name[0])
    except ImportError, e:
        if globs is None: globs = __builtin__.__dict__
        if name[0] in globs:
            try: return _lookup(globs[name[0]], name[1:])
            except: raise e
        else:
            raise

    # Find the requested value in the module/package or its submodules.
    for i in range(1, len(name)):
        try: return _lookup(module, name[i:])
        except ImportError: pass
        module = _import('.'.join(name[:i+1]))
        module = _lookup(module, name[1:i+1])
    return module