(Tcl) 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 Tcl Extension Downloads Chilkat Tcl Extension Downloads

load ./chilkat.dll

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

set http [new_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

set req [new_CkHttpRequest]

CkHttpRequest_put_HttpVerb $req "POST"
CkHttpRequest_put_Path $req "/v1/files"
CkHttpRequest_put_ContentType $req "multipart/form-data"
CkHttpRequest_AddParam $req "purpose" "fine-tune"

# { "prompt": "aa", "completion": "bb" }
# { "prompt": "cc", "completion": "dd" }
set sbJsonData [new_CkStringBuilder]

CkStringBuilder_AppendLine $sbJsonData "{ \"prompt\": \"aa\", \"completion\": \"bb\" }" 1
CkStringBuilder_AppendLine $sbJsonData "{ \"prompt\": \"cc\", \"completion\": \"dd\" }" 1
set success [CkHttpRequest_AddStringForUpload2 $req "file" "mydata2.jsonl" [CkStringBuilder_getAsString $sbJsonData] "utf-8" "application/octet-stream"]

# This is NOT a real key.  Change the "sk-vi...." to your own key.
CkHttpRequest_AddHeader $req "Authorization" "Bearer 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"
CkHttpRequest_AddHeader $req "Expect" "100-continue"

# resp is a CkHttpResponse
set resp [CkHttp_SynchronousRequest $http "api.openai.com" 443 1 $req]
if {[CkHttp_get_LastMethodSuccess $http] == 0} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkHttp $http
    delete_CkHttpRequest $req
    delete_CkStringBuilder $sbJsonData
    exit
}

set sbResponseBody [new_CkStringBuilder]

CkHttpResponse_GetBodySb $resp $sbResponseBody

set jResp [new_CkJsonObject]

CkJsonObject_LoadSb $jResp $sbResponseBody
CkJsonObject_put_EmitCompact $jResp 0

puts "Response Body:"
puts [CkJsonObject_emit $jResp]

set respStatusCode [CkHttpResponse_get_StatusCode $resp]
puts "Response Status Code = $respStatusCode"
if {$respStatusCode >= 400} then {
    puts "Response Header:"
    puts [CkHttpResponse_header $resp]
    puts "Failed."
    delete_CkHttpResponse $resp

    delete_CkHttp $http
    delete_CkHttpRequest $req
    delete_CkStringBuilder $sbJsonData
    delete_CkStringBuilder $sbResponseBody
    delete_CkJsonObject $jResp
    exit
}

delete_CkHttpResponse $resp

# 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

set id [CkJsonObject_stringOf $jResp "id"]
set v_object [CkJsonObject_stringOf $jResp "object"]
set v_bytes [CkJsonObject_IntOf $jResp "bytes"]
set created_at [CkJsonObject_IntOf $jResp "created_at"]
set filename [CkJsonObject_stringOf $jResp "filename"]
set purpose [CkJsonObject_stringOf $jResp "purpose"]

delete_CkHttp $http
delete_CkHttpRequest $req
delete_CkStringBuilder $sbJsonData
delete_CkStringBuilder $sbResponseBody
delete_CkJsonObject $jResp