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我正在使用 Spotify API 开发一个应用程序。我的问题是我正在尝试获取access_token但它不起作用。在文档中，它说我需要发送编码为 application/x-www-form-urlencoded 的正文，所以我搜索了一下，它应该只需设置request_body为字典即可工作。

这是我的函数的代码：

    def get_access_token(self):
        auth_code, code_verifier = self.get_auth_code()
        endpoint = "https://accounts.spotify.com/api/token"

        # as docs said data should be encoded as application/x-www-form-urlencoded
        # as internet says i just need to send it as a dictionary. However it's not working
        request_body = {
                "client_id": f"{self.client_ID}",
                "grant_type": "authorization_code",
                "code": f"{auth_code}",
                "redirect_uri": f"{self.redirect_uri}",
                "code_verifier": f"{code_verifier}"
        }

        response = requests.post(endpoint, data=request_body)
        print(response)

我得到的回应始终是<Response [400]> 这里是文档，步骤 4 https://developer.spotify.com/documentation/general/guides/authorization-guide/#authorization-code-flow-with-proof-key-for- code-exchange-pkce 注意：我尝试将其作为curl执行，它工作正常，我不确定我在python代码中做错了什么，命令如下：

curl -d client_id={self.client_ID} -d grant_type=authorization_code -d …