带有Python请求的magiccardmarket的OAuth身份验证 [英] OAuth authentication for magiccardmarket with Python requests

问题描述

我想以编程方式在 http://www.cardmarket.com/，但似乎无法在以下Python代码段中使用OAuth身份验证.

I want to programmatically fetch the stock of specific users on http://www.cardmarket.com/, but can't seem to get OAuth authentication to work in the following Python snippet.

仅使用requests_oauthlib库中的可用方法并没有得到任何积极的结果，而且我还尝试自己构造OAuth标头并将其传递到请求调用中，但均无济于事.我有点不知所措，因为我已经尝试了好几个小时都没有结果，以至于我失去了本来应该是一个简单的爱好项目的大部分乐趣.尽管如此，我相信这是一个简单的问题，有望很快得到解决.

Simply using available methods from the requests_oauthlib library have not given any positive results and I've also tried constructing the OAuth header myself and passing that along in the requests-call, all to no avail. I'm a bit at the end of my wits, because I've tried for hours without results, to the point where I've lost most enjoyment for what should have been a simple hobby project. Nonetheless I'm confident that it's a simple problem that can hopefully be resolved quickly.

以下是应该但不起作用的简单代码:

Here's the simple code that should, but doesn't, work:

import requests
from requests_oauthlib import OAuth1

user = ..

app_token  = ..
app_secret = ..
access_token = ..
access_token_secret = ..

request_url = "https://api.cardmarket.com/ws/v2.0/users/" + user + "/articles?start=0&maxResults=100"

auth = OAuth1(app_token, app_secret, resource_owner_key=access_token, resource_owner_secret=access_token_secret)
response = requests.get(request_url, auth=auth)    

print(response.request.headers)
print(response)
print(response.content)

我还尝试了各种变体，并且如上所述，还尝试自己构造标头，但没有结果.

I've also tried a mixture of variations to it and as stated, have also tried to construct the header myself, but with no results.

按原样提供的代码没有发现任何问题，但是在执行给定查询时仍然会因未授权而出错.

I don't see anything wrong with the provided code as-is, but still get an error for being unauthorized when performing the given query.

response.request.headers打印语句返回以下内容:

The response.request.headers print statement returns the following:

{'Authorization': b'OAuth oauth_nonce="..", oauth_timestamp="..", oauth_version="1.0", oauth_signature_method="HMAC-SHA1", oauth_consumer_key="..", oauth_token="..", oauth_signature=".."', 'Accept-Encoding': b'gzip, deflate', 'User-Agent': b'python-requests/2.18.4', 'Accept': b'*/*', 'Connection': b'keep-alive'}

哪个似乎包含了所有相关数据(尽管可能太多了?诸如接受编码"，用户代理"和连接"之类的东西会自动添加，但可能不会出现，但我不确定.)

Which seems the include all relevant data (though maybe too much? Things like Accept-Encoding, User-Agent and Connection are automatically added, but may not be expected, but I'm not sure.)

推荐答案

问题:获取特定用户的库存

Question: fetch the stock of specific users

Cardmarket RESTful API文档(2.0版)

• OAuth标头和生成签名
• 文章
• 用户文章

Cardmarket RESTful API Documentation (Version 2.0)

• OAuth Header and Generating a Signature
• Articles
• User Articles
• pymkm
• 文档»请求-OAuthlib

使用OAuth1Session:

from requests_oauthlib import OAuth1Session

# base_url = 'https://api.cardmarket.com/ws/v2.0/output.json'
base_url = 'https://api.cardmarket.com/ws/v2.0'

# product_id = 266361 # Mandatory
# url = '{}/articles/{}'.format(base_url, product_id)

user_id = 266361 # Mandatory  Type: integer (ID) or string (name)
url = '{}/users/:{}/articles'.format(base_url, user_id)

oauth = OAuth1Session('app_token',
                       client_secret='app_secret',
                       resource_owner_key='access_token',
                       resource_owner_secret='access_token_secret',
                       realm=url
                      )

params = {'start':0, 'maxResults':100}
r = oauth.get(url, params=params)

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