Merge pull request #512 from devchat-ai/bugfix/nvidia-parsing-under-poor-connection-#367

Improve NVIDIA Message Parsing Resilience in Poor Network Conditions
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boob.yang 2024-04-29 17:08:46 +08:00 committed by GitHub
commit 21e14b054c
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@ -72,28 +72,41 @@ export async function * nvidiaStarcoderComplete(prompt: string) : AsyncGenerator
const decoder = new TextDecoder("utf-8"); const decoder = new TextDecoder("utf-8");
for await (const chunk of stream) { for await (const chunk of stream) {
const chunkText = decoder.decode(chunk).trim(); const chunkDataText = decoder.decode(chunk).trim();
// data: {"id":"5d3376e0-2abc-4230-b796-c6fc9ae91cd4","choices":[{"index":0,"delta":"-","finish_reason":null}]}\n\n // split chunkText by "data: ", for example:
if (!chunkText.startsWith("data:")) { // data: 123 data: 456 will split to ["", "data: 123 ", "data: 456"]
// log unexpected data const chunkTexts = chunkDataText.split("data: ");
logger.channel()?.info("Unexpected data: " + chunkText); for (const chunkTextSplit of chunkTexts) {
return; if (chunkTextSplit.trim().length === 0) {
} continue;
}
const chunkText = "data: " + chunkTextSplit.trim();
// logger.channel()?.info("receve chunk:", chunkText);
// data: {"id": "cmpl-1713846153", "created": 1713846160.292709, "object": "completion.chunk", "model": "ollama/starcoder2:7b", "choices": [{"index": 0, "finish_reason": "stop", "text": "\n});"}]}
// data: {"id": "cmpl-1713846153", "created": 1713846160.366049, "object": "completion.chunk", "model": "ollama/starcoder2:7b", "choices": [{"index": 0, "finish_reason": "stop", "text": ""}], "usage": {"prompt_tokens": 413, "completion_tokens": 16}}
if (!chunkText.startsWith("data:")) {
// log unexpected data
logger.channel()?.info("Unexpected data: " + chunkText);
return;
}
const jsonData = chunkText.substring(5).trim(); const jsonData = chunkText.substring(5).trim();
if (jsonData === "[DONE]") { if (jsonData === "[DONE]") {
return; return;
} }
try { try {
const data = JSON.parse(chunkText.substring(5).trim()); const data = JSON.parse(chunkText.substring(5).trim());
yield { yield {
text: data.choices[0].delta, text: data.choices[0].delta,
id: data.id id: data.id
}; };
} catch (e: any) { } catch (e: any) {
logger.channel()?.info("receve:", chunkText); logger.channel()?.info("receve:", chunkText);
logger.channel()?.error("JSON Parsing Error:", e.message); logger.channel()?.error("JSON Parsing Error:", e.message);
}
} }
} }
} else { } else {