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fix(streaming): guard newer AIAgent kwargs with inspect for hermes-agent compat (#775)

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Uses inspect.signature() to check which params AIAgent accepts. Fixes #772.
This commit is contained in:
nesquena-hermes
2026-04-20 16:23:19 -07:00
committed by GitHub
parent 98cd318413
commit c34892be44
3 changed files with 160 additions and 14 deletions
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24
api/streaming.py
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@@ -1083,15 +1083,18 @@ def _run_agent_streaming(session_id, msg_text, model, workspace, stream_id, atta
else:
_fallback_resolved = None
agent = _AIAgent(
# Build kwargs defensively — guard newer params so the WebUI
# degrades gracefully when run against an older hermes-agent build.
# (fixes: TypeError: AIAgent.__init__() got an unexpected keyword
# argument 'credential_pool' — issue #772)
import inspect as _inspect
_agent_params = set(_inspect.signature(_AIAgent.__init__).parameters)
_agent_kwargs = dict(
model=resolved_model,
provider=resolved_provider,
base_url=resolved_base_url,
api_key=resolved_api_key,
api_mode=_rt.get('api_mode'),
acp_command=_rt.get('command'),
acp_args=_rt.get('args'),
credential_pool=_rt.get('credential_pool'),
platform='cli',
quiet_mode=True,
enabled_toolsets=_toolsets,
@@ -1107,6 +1110,17 @@ def _run_agent_streaming(session_id, msg_text, model, workspace, stream_id, atta
)
),
)
# Params added in newer hermes-agent — skip if not supported
if 'api_mode' in _agent_params:
_agent_kwargs['api_mode'] = _rt.get('api_mode')
if 'acp_command' in _agent_params:
_agent_kwargs['acp_command'] = _rt.get('command')
if 'acp_args' in _agent_params:
_agent_kwargs['acp_args'] = _rt.get('args')
if 'credential_pool' in _agent_params:
_agent_kwargs['credential_pool'] = _rt.get('credential_pool')
agent = _AIAgent(**_agent_kwargs)
# Store agent instance for cancel/interrupt propagation
with STREAMS_LOCK: