(Lianja) OpenAI (ChatGTP) Upload JSON String

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Demonstrate how to upload a file (from a JSON string) to a OpenAI user's organization.

For more information, see https://platform.openai.com/docs/api-reference/files/upload

Chilkat Lianja Extension Download Chilkat Lianja Extension

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

loHttp = createobject("CkHttp")

// Implements the following CURL command:

// curl https://api.openai.com/v1/files \
//   -H "Authorization: Bearer $OPENAI_API_KEY" \
//   -F purpose="fine-tune" \
//   -F file="@mydata.jsonl"

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code

loReq = createobject("CkHttpRequest")
loReq.HttpVerb = "POST"
loReq.Path = "/v1/files"
loReq.ContentType = "multipart/form-data"
loReq.AddParam("purpose","fine-tune")

// { "prompt": "aa", "completion": "bb" }
// { "prompt": "cc", "completion": "dd" }
loSbJsonData = createobject("CkStringBuilder")
loSbJsonData.AppendLine('{ "prompt": "aa", "completion": "bb" }',.T.)
loSbJsonData.AppendLine('{ "prompt": "cc", "completion": "dd" }',.T.)
llSuccess = loReq.AddStringForUpload2("file","mydata2.jsonl",loSbJsonData.GetAsString(),"utf-8","application/octet-stream")

// This is NOT a real key.  Change the "sk-vi...." to your own key.
loReq.AddHeader("Authorization","Bearer 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")
loReq.AddHeader("Expect","100-continue")

loResp = loHttp.SynchronousRequest("api.openai.com",443,.T.,loReq)
if (loHttp.LastMethodSuccess = .F.) then
    ? loHttp.LastErrorText
    release loHttp
    release loReq
    release loSbJsonData
    return
endif

loSbResponseBody = createobject("CkStringBuilder")
loResp.GetBodySb(loSbResponseBody)

loJResp = createobject("CkJsonObject")
loJResp.LoadSb(loSbResponseBody)
loJResp.EmitCompact = .F.

? "Response Body:"
? loJResp.Emit()

lnRespStatusCode = loResp.StatusCode
? "Response Status Code = " + str(lnRespStatusCode)
if (lnRespStatusCode >= 400) then
    ? "Response Header:"
    ? loResp.Header
    ? "Failed."
    release loResp
    release loHttp
    release loReq
    release loSbJsonData
    release loSbResponseBody
    release loJResp
    return
endif

release loResp

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "id": "file-XjGxS3KTG0uNmNOK362iJua3",
//   "object": "file",
//   "bytes": 140,
//   "created_at": 1613779121,
//   "filename": "mydata2.jsonl",
//   "purpose": "fine-tune"
// }

// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

lcId = loJResp.StringOf("id")
lcV_object = loJResp.StringOf("object")
lnV_bytes = loJResp.IntOf("bytes")
lnCreated_at = loJResp.IntOf("created_at")
lcFilename = loJResp.StringOf("filename")
lcPurpose = loJResp.StringOf("purpose")


release loHttp
release loReq
release loSbJsonData
release loSbResponseBody
release loJResp