这是indexloc提供的服务，不要输入任何密码
Skip to content

Handle invalid response bodies for ContextWindowFinder #3896

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
May 27, 2025
Merged

Handle invalid response bodies for ContextWindowFinder #3896

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
71 changes: 52 additions & 19 deletions server/utils/AiProviders/modelMap/index.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,7 @@ class ContextWindowFinder {
ContextWindowFinder.instance = this;
if (!fs.existsSync(this.cacheLocation))
fs.mkdirSync(this.cacheLocation, { recursive: true });
this.#pullRemoteModelMap();
if (!this.cache) this.#pullRemoteModelMap();
}

log(text, ...args) {
Expand All @@ -54,7 +54,7 @@ class ContextWindowFinder {
}

get cache() {
if (!fs.existsSync(this.cacheFileExpiryPath)) return null;
if (!fs.existsSync(this.cacheFilePath)) return null;
if (!this.isCacheStale)
return JSON.parse(
fs.readFileSync(this.cacheFilePath, { encoding: "utf8" })
Expand All @@ -67,24 +67,57 @@ class ContextWindowFinder {
* @returns {Record<string, Record<string, number>>} - The formatted model map
*/
async #pullRemoteModelMap() {
const remoteContexWindowMap = await fetch(ContextWindowFinder.remoteUrl)
.then((res) => res.json())
.then((data) => {
fs.writeFileSync(this.cacheFilePath, JSON.stringify(data, null, 2));
fs.writeFileSync(this.cacheFileExpiryPath, Date.now().toString());
this.log("Remote model map synced and cached");
return data;
})
.catch((error) => {
this.log("Error syncing remote model map", error);
return null;
});
if (!remoteContexWindowMap) return null;
try {
this.log("Pulling remote model map...");
const remoteContexWindowMap = await fetch(ContextWindowFinder.remoteUrl)
.then((res) => {
if (res.status !== 200)
throw new Error(
"Failed to fetch remote model map - non 200 status code"
);
return res.json();
})
.then((data) => {
fs.writeFileSync(this.cacheFilePath, JSON.stringify(data, null, 2));
fs.writeFileSync(this.cacheFileExpiryPath, Date.now().toString());
this.log("Remote model map synced and cached");
return data;
})
.catch((error) => {
this.log("Error syncing remote model map", error);
return null;
});
if (!remoteContexWindowMap) return null;

const modelMap = this.#formatModelMap(remoteContexWindowMap);
this.#validateModelMap(modelMap);
fs.writeFileSync(this.cacheFilePath, JSON.stringify(modelMap, null, 2));
fs.writeFileSync(this.cacheFileExpiryPath, Date.now().toString());
return modelMap;
} catch (error) {
this.log("Error syncing remote model map", error);
return null;
}
}

#validateModelMap(modelMap = {}) {
for (const [provider, models] of Object.entries(modelMap)) {
// If the models is null/falsey or has no keys, throw an error
if (typeof models !== "object")
throw new Error(
`Invalid model map for ${provider} - models is not an object`
);
if (!models || Object.keys(models).length === 0)
throw new Error(`Invalid model map for ${provider} - no models found!`);

const modelMap = this.#formatModelMap(remoteContexWindowMap);
fs.writeFileSync(this.cacheFilePath, JSON.stringify(modelMap, null, 2));
fs.writeFileSync(this.cacheFileExpiryPath, Date.now().toString());
return modelMap;
// Validate that the context window is a number
for (const [model, contextWindow] of Object.entries(models)) {
if (isNaN(contextWindow) || contextWindow <= 0)
throw new Error(
`Invalid model map for ${provider} - context window is not a positive number for model ${model}`
);
}
}
}

/**
Expand Down