Dart

OpenAI (ChatGPT) Upload JSON String

See more OpenAI ChatGPT Examples

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

import 'package:chilkat/chilkat.dart';

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

  final http = 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

  final req = CkHttpRequest();
  req.httpVerb = 'POST';
  req.path = '/v1/files';
  req.contentType = 'multipart/form-data';
  req.addParam('purpose', 'fine-tune');

  // { "prompt": "aa", "completion": "bb" }
  // { "prompt": "cc", "completion": "dd" }
  final sbJsonData = CkStringBuilder();
  sbJsonData.appendLine('{ "prompt": "aa", "completion": "bb" }', true);
  sbJsonData.appendLine('{ "prompt": "cc", "completion": "dd" }', true);
  req.addStringForUpload2('file', 'mydata2.jsonl', sbJsonData.getAsString(), 'utf-8', 'application/octet-stream');

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

  final resp = CkHttpResponse();
  try {
    http.httpSReq('api.openai.com', 443, true, req, resp);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  final sbResponseBody = CkStringBuilder();
  resp.getBodySb(sbResponseBody);

  final jResp = CkJsonObject();
  jResp.loadSb(sbResponseBody);
  jResp.emitCompact = false;

  print('Response Body:');
  print(jResp.emit());

  final respStatusCode = resp.statusCode;
  print('Response Status Code = $respStatusCode');
  if (respStatusCode >= 400) {
    print('Response Header:');
    print(resp.header);
    print('Failed.');
    return;
  }

  // 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

  final id = jResp.stringOf('id');
  final vObject = jResp.stringOf('object');
  final vBytes = jResp.intOf('bytes');
  final createdAt = jResp.intOf('created_at');
  final filename = jResp.stringOf('filename');
  final purpose = jResp.stringOf('purpose');
}