问循环只迭代一次

EN

top_dict = {"data": []}    

def get_obj(content, vimtype, name=None):
    return [item for item in content.viewManager.CreateContainerView(
        content.rootFolder, [vimtype], recursive=True).view]

## MAIN ##
...
content = si.RetrieveContent()
d = {}
idnum = 0
for dc in get_obj(content, vim.Datacenter):
    for cluster in get_obj(content, vim.ClusterComputeResource):
        for h in cluster.host:
            host_wwpn1 = ''
            for adaptr in h.config.storageDevice.hostBusAdapter:
                if hasattr(adaptr, 'portWorldWideName'):
                    if host_wwpn1 == '':
                        host_wwpn1 = (hex(adaptr.portWorldWideName)[2:18])
                    else:
                        host_wwpn2 = (hex(adaptr.portWorldWideName)[2:18])
            d['id'] = idnum
            d['datacenter'] = dc.name
            d['cluster'] = cluster.name
            d['host'] = h.name
            d['pwwn_F1'] = host_wwpn1
            d['pwwn_F2'] = host_wwpn2
            idnum = idnum + 1
    top_dict.update({"data": [d]})

{
  "data": [
       {
        "id": 0,
        "datacenter": "MY_DATACENTER",
        "cluster": "MY_CLUSTER",
        "host": "MY_HOSTNAME",
        "pwwn_F1": "XXXXXXXXXXXXXXXX",
        "pwwn_F2": "XXXXXXXXXXXXXXXX"
        }
    ]
}