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python - 在 Python 3 中使用 POST URI

问题描述

我正在尝试将数据发布到通过 URL 获取文本数据的网站："http://data.bioontology.org/annotator?text=" + theTextData

我想使用 POST URI 来获取数据。这是我的代码：

def get_annotations(text, url):
    headers = [('Authorization', 'apikey token=' + API_KEY)]
    data = text

    response = requests.request("POST",url,headers=headers,data=data)
    return response.text.encode('utf-8')

annotations = get_annotations(text, "http://data.bioontology.org/annotator?text=" + urllib.parse.quote(text))

运行时出现此错误：

Traceback (most recent call last):
...
    response = requests.request("POST",url,headers=headers,data=data)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/requests/api.py", line 61, in request
    return session.request(method=method, url=url, **kwargs)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/requests/sessions.py", line 516, in request
    prep = self.prepare_request(req)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/requests/sessions.py", line 449, in prepare_request
    p.prepare(
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/requests/models.py", line 315, in prepare
    self.prepare_headers(headers)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/requests/models.py", line 447, in prepare_headers
    for header in headers.items():
AttributeError: 'list' object has no attribute 'items'

我该如何解决？我是否错误地使用了 POST？

标签： pythonpython-3.xpostgeturi

解决方案

您的标题应该是字典，而不是列表中的元组。

headers = {'Authorization': 'apikey token=' + API_KEY}

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