1 files changed, 103 insertions, 0 deletions

diff --git a/etc/tool/vercel.py b/etc/tool/vercel.py
new file mode 100644
index 00000000..75df6c70
--- /dev/null
+++ b/etc/tool/vercel.py
@@ -0,0 +1,103 @@
+import json
+import re
+from typing import Any
+
+import quickjs
+from curl_cffi import requests
+
+session = requests.Session(impersonate="chrome107")
+
+
+def get_model_info() -> dict[str, Any]:
+    url = "https://sdk.vercel.ai"
+    response = session.get(url)
+    html = response.text
+    paths_regex = r"static\/chunks.+?\.js"
+    separator_regex = r'"\]\)<\/script><script>self\.__next_f\.push\(\[.,"'
+
+    paths = re.findall(paths_regex, html)
+    paths = [re.sub(separator_regex, "", path) for path in paths]
+    paths = list(set(paths))
+
+    urls = [f"{url}/_next/{path}" for path in paths]
+    scripts = [session.get(url).text for url in urls]
+
+    for script in scripts:
+        models_regex = r'let .="\\n\\nHuman:\",r=(.+?),.='
+        matches = re.findall(models_regex, script)
+
+        if matches:
+            models_str = matches[0]
+            stop_sequences_regex = r"(?<=stopSequences:{value:\[)\D(?<!\])"
+            models_str = re.sub(
+                stop_sequences_regex, re.escape('"\\n\\nHuman:"'), models_str
+            )
+
+            context = quickjs.Context()  # type: ignore
+            json_str: str = context.eval(f"({models_str})").json()  # type: ignore
+            return json.loads(json_str)  # type: ignore
+
+    return {}
+
+
+def convert_model_info(models: dict[str, Any]) -> dict[str, Any]:
+    model_info: dict[str, Any] = {}
+    for model_name, params in models.items():
+        default_params = params_to_default_params(params["parameters"])
+        model_info[model_name] = {"id": params["id"], "default_params": default_params}
+    return model_info
+
+
+def params_to_default_params(parameters: dict[str, Any]):
+    defaults: dict[str, Any] = {}
+    for key, parameter in parameters.items():
+        if key == "maximumLength":
+            key = "maxTokens"
+        defaults[key] = parameter["value"]
+    return defaults
+
+
+def get_model_names(model_info: dict[str, Any]):
+    model_names = model_info.keys()
+    model_names = [
+        name
+        for name in model_names
+        if name not in ["openai:gpt-4", "openai:gpt-3.5-turbo"]
+    ]
+    model_names.sort()
+    return model_names
+
+
+def print_providers(model_names: list[str]):
+    for name in model_names:
+        split_name = re.split(r":|/", name)
+        base_provider = split_name[0]
+        variable_name = split_name[-1].replace("-", "_").replace(".", "")
+        line = f'{variable_name} = Model(name="{name}", base_provider="{base_provider}", best_provider=Vercel,)\n'
+        print(line)
+
+
+def print_convert(model_names: list[str]):
+    for name in model_names:
+        split_name = re.split(r":|/", name)
+        key = split_name[-1]
+        variable_name = split_name[-1].replace("-", "_").replace(".", "")
+        # "claude-instant-v1": claude_instant_v1,
+        line = f'        "{key}": {variable_name},'
+        print(line)
+
+
+def main():
+    model_info = get_model_info()
+    model_info = convert_model_info(model_info)
+    print(json.dumps(model_info, indent=2))
+
+    model_names = get_model_names(model_info)
+    print("-------" * 40)
+    print_providers(model_names)
+    print("-------" * 40)
+    print_convert(model_names)
+
+
+if __name__ == "__main__":
+    main()
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