如何访问ECB Dataflow？TooManyRedirects:超过30个重定向
如何访问ECB Dataflow？TooManyRedirects:超过30个重定向
提问于 2021-03-04 17:25:44
我正在使用pandasdmx库中的请求包来访问欧洲中央银行的一些汇率。我尝试遵循以下演练中突出显示的步骤：https://pandasdmx.readthedocs.io/en/v1.0/walkthrough.html#，但当我尝试访问不同的数据流时，它给了我一个错误。这是我使用的代码：
import pandasdmx as sdmx
ecb = sdmx.Request('ECB')
ecb_via_proxy = sdmx.Request('ECB',proxies={'http': 'http://1.2.3.4:5678'})
flow_msg = ecb.dataflow()
flow_msg = ecb.dataflow()
Traceback (most recent call last):
File "<ipython-input-8-9011799aab2e>", line 1, in <module>
flow_msg = ecb.dataflow()
File "C:\Users\gcperez\AppData\Local\Continuum\anaconda3\lib\site-packages\pandasdmx\api.py", line 361, in get
base_url, params=params, headers=headers, fromfile=fromfile)
File "C:\Users\gcperez\AppData\Local\Continuum\anaconda3\lib\site-packages\pandasdmx\remote.py", line 98, in get
url, params=params, headers=headers)
File "C:\Users\gcperez\AppData\Local\Continuum\anaconda3\lib\site-packages\pandasdmx\remote.py", line 118, in request
with closing(requests.get(url, params=params, **cur_config)) as response:
File "C:\Users\gcperez\AppData\Local\Continuum\anaconda3\lib\site-packages\requests\api.py", line 76, in get
return request('get', url, params=params, **kwargs)
File "C:\Users\gcperez\AppData\Local\Continuum\anaconda3\lib\site-packages\requests\api.py", line 61, in request
return session.request(method=method, url=url, **kwargs)
File "C:\Users\gcperez\AppData\Local\Continuum\anaconda3\lib\site-packages\requests\sessions.py", line 530, in request
resp = self.send(prep, **send_kwargs)
File "C:\Users\gcperez\AppData\Local\Continuum\anaconda3\lib\site-packages\requests\sessions.py", line 665, in send
history = [resp for resp in gen] if allow_redirects else []
File "C:\Users\gcperez\AppData\Local\Continuum\anaconda3\lib\site-packages\requests\sessions.py", line 665, in <listcomp>
history = [resp for resp in gen] if allow_redirects else []
File "C:\Users\gcperez\AppData\Local\Continuum\anaconda3\lib\site-packages\requests\sessions.py", line 166, in resolve_redirects
raise TooManyRedirects('Exceeded {} redirects.'.format(self.max_redirects), response=resp)
TooManyRedirects: Exceeded 30 redirects.我以前使用过很多次这种访问方式，没有出任何问题。有人知道会发生什么吗？
回答 1
Stack Overflow用户
回答已采纳
发布于 2021-03-04 17:51:46
欧洲央行更改了其web服务URL，而您拥有的pandaSDMX版本没有当前的URL。我建议使用7个月前修复此问题的sdmx1包(see the diff here)：
$ pip install sdmx1import sdmx
ECB = sdmx.Client("ECB")
flow_msg = ECB.dataflow()
print(repr(flow_msg)) 提供：
<sdmx.StructureMessage>
<Header>
id: 'IREF508443'
prepared: '2021-03-04T09:40:40+00:00'
receiver: <Agency not_supplied>
sender: <Agency Unknown>
source:
test: False
response: <Response [200]>
DataflowDefinition (71): AME BKN BLS BNT BOP BSI BSP CBD CBD2 CCP CIS...
DataStructureDefinition (55): ECB_AME1 ECB_BKN1 ECB_BLS1 ECB_BOP_BNT ...页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/66472129
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