Sabo/webui
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix(routing): strip provider prefix from model ID when custom base_url is configured (fixes #433)

Browse Source
This commit is contained in:
Nathan Esquenazi
2026-04-14 19:06:35 +00:00
committed by Hermes Agent
parent 85d8aad0ae
commit b3ad60d2c9
2 changed files with 8 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
api/config.py
View File

@@ -637,7 +637,10 @@ def resolve_model_provider(model_id: str) -> tuple:
# just because the model name contains a slash (e.g. google/gemma-4-26b-a4b). # just because the model name contains a slash (e.g. google/gemma-4-26b-a4b).
# The user has explicitly pointed at a base_url, so trust their routing config. # The user has explicitly pointed at a base_url, so trust their routing config.
if config_base_url: if config_base_url:
return model_id, config_provider, config_base_url # Strip provider prefix (e.g. 'openai/gpt-5.4' -> 'gpt-5.4') so prefixed
# model IDs from previous sessions don't break custom endpoint routing.
bare_model = model_id.split('/', 1)[-1]
return bare_model, config_provider, config_base_url
# If prefix does NOT match config provider, the user picked a cross-provider model # If prefix does NOT match config provider, the user picked a cross-provider model
# from the OpenRouter dropdown (e.g. config=anthropic but picked openai/gpt-5.4-mini). # from the OpenRouter dropdown (e.g. config=anthropic but picked openai/gpt-5.4-mini).
# In this case always route through openrouter with the full provider/model string. # In this case always route through openrouter with the full provider/model string.

6
tests/test_model_resolver.py
View File

@@ -403,8 +403,10 @@ def test_custom_endpoint_slash_model_routes_to_custom_not_openrouter():
assert base_url == 'http://127.0.0.1:1234/v1', ( assert base_url == 'http://127.0.0.1:1234/v1', (
"Expected base_url 'http://127.0.0.1:1234/v1', got '{}'.".format(base_url) "Expected base_url 'http://127.0.0.1:1234/v1', got '{}'.".format(base_url)
) )
assert model == 'google/gemma-4-26b-a4b', ( # Fix #433: provider prefix is now stripped for custom endpoints so stale
"Model name should be preserved as-is, got '{}'.".format(model) # prefixed model IDs from previous sessions do not break custom endpoint routing.
assert model == 'gemma-4-26b-a4b', (
"Model name prefix should be stripped for custom base_url endpoint, got '{}'.".format(model)
) )
# --- openrouter with slash model name MUST still route to openrouter ----- # --- openrouter with slash model name MUST still route to openrouter -----