Question

我对以下代码有困难：

payload = {
    'file' : ('csvtest.csv', open('csvtest.csv', 'rb')),
    'parser' : '{"name":"CSV","displayName":null,"description":"Supports delimited text files with a field delimiter and optional escape and quote characters.","shortDescription":null,"properties":[{"name":"Auto Detect?","displayName":"Auto Detect?","value":"true","values":null,"placeholder":"","type":"select","hint":"Auto detect will attempt to infer delimiter from the sample file.","objectProperty":"autoDetect","selectableValues":[{"label":"true","value":"true","hint":null},{"label":"false","value":"false","hint":null}],"required":false,"group":"","groupOrder":1,"layout":"column","hidden":false,"pattern":"","patternInvalidMessage":"Invalid Input","formKey":"property_0"},{"name":"Header?","displayName":"Header?","value":"true","values":null,"placeholder":"","type":"select","hint":"Whether file has a header.","objectProperty":"headerRow","selectableValues":[{"label":"true","value":"true","hint":null},{"label":"false","value":"false","hint":null}],"required":false,"group":"","groupOrder":2,"layout":"column","hidden":false,"pattern":"","patternInvalidMessage":"Invalid Input","formKey":"property_1"},{"name":"Delimiter Char","displayName":"Delimiter Char","value":",","values":null,"placeholder":"","type":"string","hint":"Character separating fields","objectProperty":"separatorChar","selectableValues":[],"required":false,"group":"","groupOrder":3,"layout":"column","hidden":false,"pattern":"","patternInvalidMessage":"Invalid Input","formKey":"property_2"},{"name":"Quote Char","displayName":"Quote Char","value":"\'","values":null,"placeholder":"","type":"string","hint":"Character enclosing a quoted string","objectProperty":"quoteChar","selectableValues":[],"required":false,"group":"","groupOrder":4,"layout":"column","hidden":false,"pattern":"","patternInvalidMessage":"Invalid Input","formKey":"property_3"},{"name":"Escape Char","displayName":"Escape Char","value":"\\\\","values":null,"placeholder":"","type":"string","hint":"Escape character","objectProperty":"escapeChar","selectableValues":[],"required":false,"group":"","groupOrder":5,"layout":"column","hidden":false,"pattern":"","patternInvalidMessage":"Invalid Input","formKey":"property_4"}],"objectClassType":"com.thinkbiganalytics.discovery.parsers.csv.CSVFileSchemaParser","objectShortClassType":"CSVFileSchemaParser","propertyValuesDisplayString":null,"supportsBinary":false,"generatesHiveSerde":true,"tags":["CSV","TSV"],"clientHelper":null,"allowSkipHeader":true,"groups":[{"group":"","layout":"column","properties":[{"name":"Auto Detect?","displayName":"Auto Detect?","value":"true","values":null,"placeholder":"","type":"select","hint":"Auto detect will attempt to infer delimiter from the sample file.","objectProperty":"autoDetect","selectableValues":[{"label":"true","value":"true","hint":null},{"label":"false","value":"false","hint":null}],"required":false,"group":"","groupOrder":1,"layout":"column","hidden":false,"pattern":"","patternInvalidMessage":"Invalid Input","formKey":"property_0"},{"name":"Header?","displayName":"Header?","value":"true","values":null,"placeholder":"","type":"select","hint":"Whether file has a header.","objectProperty":"headerRow","selectableValues":[{"label":"true","value":"true","hint":null},{"label":"false","value":"false","hint":null}],"required":false,"group":"","groupOrder":2,"layout":"column","hidden":false,"pattern":"","patternInvalidMessage":"Invalid Input","formKey":"property_1"},{"name":"Delimiter Char","displayName":"Delimiter Char","value":",","values":null,"placeholder":"","type":"string","hint":"Character separating fields","objectProperty":"separatorChar","selectableValues":[],"required":false,"group":"","groupOrder":3,"layout":"column","hidden":false,"pattern":"","patternInvalidMessage":"Invalid Input","formKey":"property_2"},{"name":"Quote Char","displayName":"Quote Char","value":"\'","values":null,"placeholder":"","type":"string","hint":"Character enclosing a quoted string","objectProperty":"quoteChar","selectableValues":[],"required":false,"group":"","groupOrder":4,"layout":"column","hidden":false,"pattern":"","patternInvalidMessage":"Invalid Input","formKey":"property_3"},{"name":"Escape Char","displayName":"Escape Char","value":"\\\\","values":null,"placeholder":"","type":"string","hint":"Escape character","objectProperty":"escapeChar","selectableValues":[],"required":false,"group":"","groupOrder":5,"layout":"column","hidden":false,"pattern":"","patternInvalidMessage":"Invalid Input","formKey":"property_4"}]}],"editable":true}'
}

headers = {
    'accept': "application/json",
    'authorization': "Basic ZGxhZG1pbjp0aGlua2JpZw==",
    'cache-control': "no-cache",
    }

url = "http://localhost:8400/proxy/v1/schema-discovery/hive/sample-file"
req = requests.post(url, data=payload, headers=headers)
print(req.text)

由于某种原因我得到了错误"HTTP 415 Unsupported Media Type"。

我正在尝试发送一个csv，以及一些多部分形式的json。我最初使用http.client工作，但我这样做的方式是在多部分邮件正文中添加额外的换行符和回车文字。

任何帮助都非常感谢！

多部分表单帖子，csv和param python

0 个答案: