我正在尝试为在Django (Python)环境中使用Amazon API的产品设置最高价格。我已经解决了计算md5函数的问题,该函数的值与Amazon MWS Scratchpad计算的值完全相同。
解决了这个问题后,我现在收到一条错误消息“您为您的提要传递的Content-MD5 HTTP头与我们为您的提要计算的Content-MD5不匹配”。
我的代码如下:
feedTxt = '<?xml version="1.0" encoding="utf-8"?><AmazonEnvelope xsi:noNamespaceSchemaLocation="amzn-envelope.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><Header><DocumentVersion>1.01</DocumentVersion><MerchantIdentifier>MERCH_ID</MerchantIdentifier></Header><MessageType>Price</MessageType><Message><MessageID>1</MessageID><Price><SKU>J1-1UKW-8Z03</SKU><MaximumSellerAllowedPrice currency="EUR">999</MaximumSellerAllowedPrice></Price></Message></AmazonEnvelope>'
feed = open('myXml.xml', mode='w+', buffering=-1, encoding='utf-8')
feed.write(feedTxt)
feed.close()
encodedFeed = feedTxt.strip().encode('utf-8')
md5 = hashlib.md5(encodedFeed).digest()
encodedMd5 = base64.b64encode(md5)
parsedMd5 = urllib.parse.quote(encodedMd5, safe='')
request_string = construct_strings(seller, '', 'SubmitFeed', '2009-01-01', args_dict) # this function defines the string to be signed and is working 100%, since I use it for all the other requests I do
feed = open('myXml.xml', mode='r', buffering=-1, encoding='utf-8')
myFile = {'file': feed}
response = requests.post(request_string, headers = {'Content-MD5': encodedMd5, 'Content-Type': 'text/xml'}, files = myFile)
feed.close()
这是我在stackOverflow这里问的第一个问题。感谢你能给我的任何提示。
谢谢!
发布于 2020-03-06 23:58:13
只想告诉你我已经解决了我的问题。我发现提要不是作为文件发布的,而是在主体('data‘字段)中发布的。因此(在许多其他更正中),最终的代码是:
feed = '<?xml version="1.0" encoding="utf-8"?><AmazonEnvelope xsi:noNamespaceSchemaLocation="amzn-envelope.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><Header>'
feed += '<DocumentVersion>1.01</DocumentVersion><MerchantIdentifier>A3RVNLI4ZWO9K4</MerchantIdentifier></Header><MessageType>Price</MessageType><Message><MessageID>1</MessageID>'
feed += '<Price><SKU>sa400240g</SKU><MaximumSellerAllowedPrice currency="EUR">975</MaximumSellerAllowedPrice></Price></Message></AmazonEnvelope>'
encodedFeed = feed.encode('utf-8')
md5 = hashlib.md5(encodedFeed)
encodedMd5 = base64.b64encode(md5.digest())
parsedMd5 = urllib.parse.quote(encodedMd5, safe='')
request_string = construct_strings(seller, '', 'SubmitFeed', '2009-01-01', args_dict)
myHeader = {'Content-MD5': encodedMd5.decode('utf-8'), 'Content-Type': 'text/xml'}
response = requests.post(request_string, headers = myHeader, data = feed)
不管怎样,谢谢你!希望这个解决方案能帮助有同样问题的人!
https://stackoverflow.com/questions/60438069
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