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"""Query a running audiocpp_server for its models and voices."""
import json
import urllib.request
from typing import Dict, List, Optional
def fetch_server_models(api_url: str) -> Optional[List[Dict[str, str]]]:
"""List a running audiocpp_server's model entries via GET /v1/models.
Returns ``[{id, family, task}, ...]`` — the same shape the converter's
client resolves at startup — or None when URL does not answer with a
valid document (wrong server, still starting, older audio.cpp). Used by
the hub to drive the convert menus against a remote server that has no
local server.json describing it.
"""
try:
with urllib.request.urlopen(
f"{api_url.rstrip('/')}/v1/models", timeout=10) as response:
payload = json.loads(response.read().decode("utf-8"))
except (OSError, ValueError):
# URLError/HTTPError/socket errors are OSErrors; a non-JSON body is
# a ValueError. Anything else means "not an audiocpp_server".
return None
entries = payload.get("data") if isinstance(payload, dict) else None
models: List[Dict[str, str]] = []
for entry in entries or []:
if isinstance(entry, dict) and entry.get("id"):
models.append({
"id": str(entry["id"]),
"family": str(entry.get("family") or ""),
"task": str(entry.get("task") or ""),
})
return models
def fetch_server_voices(api_url: str, model_id: str) -> Optional[List[str]]:
"""List a running audiocpp_server's voices for MODEL_ID.
Queries ``GET /v1/audio/voices?model=<id>`` — the endpoint the converter
validates ``--voice`` against — and returns its voice-name list, or None
when the server cannot be queried. Lets the hub offer a remote server's
voices without reading its configuration locally.
"""
query = urllib.parse.urlencode({"model": model_id})
try:
with urllib.request.urlopen(
f"{api_url.rstrip('/')}/v1/audio/voices?{query}",
timeout=10) as response:
payload = json.loads(response.read().decode("utf-8"))
except (OSError, ValueError):
return None
voices = payload.get("voices") if isinstance(payload, dict) else None
if not isinstance(voices, list):
return None
return [str(voice) for voice in voices]
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