eBay API - UploadSiteHostedPictures - Python

eBay API - UploadSiteHostedPictures - Python

我在 Python 中尝试将图片上传到 Ebay 时遇到问题。按照官方 Ebay PHP 示例,我在 Excel 中通过 VBA 列出项目 6 年多来从未遇到过问题,但无法在 Python.[=13 中使用它=]

尽管图像是 jpg 并且通过我的 VBA 方法上传正常,但我一直收到 "Picture Services only supports upload of JPEG, GIF, PNG, BMP, and TIFF image formats. Try again using a version of your picture saved in one of those formats."。

我已经阅读并调整了 3 天的请求,但无济于事。我敢打赌这很简单,所以我希望有人能指出我的错误或提供一个完整的工作示例。

更改版本没有什么不同,571 仍然适用于 VBA 实施。

我可以通过 Paypal 向可以帮助我完成这项工作的人捐款。

提前致谢。

with open(r"H:\temp\earth.jpg", "rb") as image_file:
    encoded_string = (base64.encodebytes(image_file.read())).decode("utf-8")

mimeBoundary = 'MIME_boundary'

ebayAuthToken = '<token>'

requestHeaders = {
    'X-EBAY-API-COMPATIBILITY-LEVEL': '1113',
    'X-EBAY-API-SITEID': '15',
    'X-EBAY-API-DEV-NAME': '<devName>',
    'X-EBAY-API-APP-NAME': '<appName>',
    'X-EBAY-API-CERT-NAME': '<certName>',
    'X-EBAY-API-CALL-NAME': 'UploadSiteHostedPictures',
    'Content-Type': 'multipart/form-data; boundary=' + mimeBoundary
}

xmlRequest = (
    '<?xml version="1.0" encoding="utf-8"?>'
    '<UploadSiteHostedPicturesRequest xmlns="urn:ebay:apis:eBLBaseComponents">'
    '<RequesterCredentials>'
    f'<eBayAuthToken>{ebayAuthToken}</eBayAuthToken>'
    '</RequesterCredentials>'
    '<PictureSet>Supersize</PictureSet>'
    '<Version>517</Version>>'
    '</UploadSiteHostedPicturesRequest>'
)

firstPart = ''
firstPart += '--' + mimeBoundary + '\r\n'
firstPart += 'Content-Disposition: form-data; name=""XML Payload"' + '\r\n'
firstPart += 'Content-Type: text/xml;charset=utf-8' + '\r\n\r\n'
firstPart += f'{xmlRequest}'
firstPart += '\r\n\r\n'

secondPart += '--' + mimeBoundary + '\r\n'
secondPart += 'Content-Disposition: form-data; name=""dummy""; filename=""dummy"' + '\r\n'
secondPart += 'Content-Transfer-Encoding: binary' + '\r\n'
secondPart += 'Content-Type: application/octet-stream' + '\r\n\r\n'
secondPart += f'{encoded_string}' # image binary data
secondPart += '\r\n'
secondPart += '--' + mimeBoundary + '--' + '\r\n'

fullRequest = firstPart + secondPart

uploadImageResponse = requests.post('https://api.ebay.com/ws/api.dll', data=fullRequest, headers=requestHeaders, verify=False)

我为将来遇到此问题的任何人找到了解决方案。请求部分需要通过将每个部分编码为字节来连接。见下文:

        tmpfile = 'H:/temp/%s.bin' % random.randint(0, 100000)
        f = open(tmpfile, 'wb')
        f.write(firstPart.encode())
        f.write(secondPart.encode())
        f.write(base64.b64decode(encoded_string))
        f.write(CRLF.encode())
        f.write(("--" + mimeBoundary + "--" + CRLF).encode())
        f.close()
        # read back what we wrote to the file
        f = open(tmpfile, 'rb')
        fullRequest = f.read()
        f.close()

请注意,您不需要将它们写入和读取到文件中,这正是我找到的解决方案的做法。