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fix: Updating ToolCall.arguments to allow for json strings that can be decoded on client side (#1685)
### What does this PR do? Currently, `ToolCall.arguments` is a `Dict[str, RecursiveType]`. However, on the client SDK side -- the `RecursiveType` gets deserialized into a number ( both int and float get collapsed ) and hence when params are `int` they get converted to float which might break client side tools that might be doing type checking. Closes: https://github.com/meta-llama/llama-stack/issues/1683 ### Test Plan Stainless changes -- https://github.com/meta-llama/llama-stack-client-python/pull/204 ``` pytest -s -v --stack-config=fireworks tests/integration/agents/test_agents.py --text-model meta-llama/Llama-3.1-8B-Instruct ```
This commit is contained in:
Hardik Shah
GitHub
parent
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commit
65ca85ba6b
10 changed files with 137 additions and 110 deletions
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]
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},
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"arguments": {
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"type": "object",
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"additionalProperties": {
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"type": "array",
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"items": {
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"oneOf": [
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"type": "string"
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"type": "object",
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"additionalProperties": {
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"oneOf": [
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"type": "string"
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"type": "integer"
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"type": "number"
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"type": "number"
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"type": "boolean"
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}
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]
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]
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}
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}
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]
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}
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]
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}
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}
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]
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},
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"arguments_json": {
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"type": "string"
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}
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},
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"additionalProperties": false,
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52
docs/_static/llama-stack-spec.yaml
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52
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@ -2864,30 +2864,34 @@ components:
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title: BuiltinTool
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- type: string
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arguments:
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type: object
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additionalProperties:
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oneOf:
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- type: string
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- type: integer
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- type: number
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- type: boolean
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- type: 'null'
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- type: array
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items:
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oneOf:
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- type: string
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- type: integer
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- type: number
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- type: boolean
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- type: 'null'
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- type: object
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additionalProperties:
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oneOf:
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- type: string
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- type: integer
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- type: number
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- type: boolean
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- type: 'null'
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oneOf:
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- type: string
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- type: object
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additionalProperties:
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oneOf:
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- type: string
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- type: integer
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- type: number
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- type: boolean
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- type: 'null'
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- type: array
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items:
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oneOf:
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- type: string
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- type: integer
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- type: number
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- type: boolean
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- type: 'null'
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- type: object
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additionalProperties:
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oneOf:
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- type: string
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- type: integer
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- type: number
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- type: boolean
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- type: 'null'
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arguments_json:
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type: string
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additionalProperties: false
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required:
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- call_id
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@ -47,7 +47,14 @@ RecursiveType = Union[Primitive, List[Primitive], Dict[str, Primitive]]
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class ToolCall(BaseModel):
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call_id: str
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tool_name: Union[BuiltinTool, str]
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arguments: Dict[str, RecursiveType]
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# Plan is to deprecate the Dict in favor of a JSON string
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# that is parsed on the client side instead of trying to manage
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# the recursive type here.
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# Making this a union so that client side can start prepping for this change.
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# Eventually, we will remove both the Dict and arguments_json field,
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# and arguments will just be a str
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arguments: Union[str, Dict[str, RecursiveType]]
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arguments_json: Optional[str] = None
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@field_validator("tool_name", mode="before")
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@classmethod
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@ -12,6 +12,7 @@
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# the top-level of this source tree.
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import io
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import json
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import uuid
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from dataclasses import dataclass
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from typing import Dict, List, Optional, Tuple
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@ -203,9 +204,10 @@ class ChatFormat:
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# This code tries to handle that case
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if tool_name in BuiltinTool.__members__:
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tool_name = BuiltinTool[tool_name]
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tool_arguments = {
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"query": list(tool_arguments.values())[0],
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}
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if isinstance(tool_arguments, dict):
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tool_arguments = {
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"query": list(tool_arguments.values())[0],
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}
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else:
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builtin_tool_info = ToolUtils.maybe_extract_builtin_tool_call(content)
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if builtin_tool_info is not None:
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@ -229,6 +231,7 @@ class ChatFormat:
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call_id=call_id,
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tool_name=tool_name,
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arguments=tool_arguments,
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arguments_json=json.dumps(tool_arguments),
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)
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)
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content = ""
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@ -11,11 +11,8 @@
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# top-level folder for each specific model found within the models/ directory at
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# the top-level of this source tree.
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from llama_stack.models.llama.datatypes import (
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BuiltinTool,
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StopReason,
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ToolCall,
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)
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from llama_stack.models.llama.datatypes import BuiltinTool, StopReason, ToolCall
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from .prompt_templates import (
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BuiltinToolGenerator,
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@ -582,6 +582,7 @@ class VLLMInferenceImpl(Inference, ModelsProtocolPrivate):
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tool_name=t.function.name,
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# vLLM function args come back as a string. Llama Stack expects JSON.
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arguments=json.loads(t.function.arguments),
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arguments_json=t.function.arguments,
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)
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for t in vllm_message.tool_calls
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],
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@ -42,9 +42,7 @@ from llama_stack.models.llama.datatypes import (
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TopKSamplingStrategy,
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TopPSamplingStrategy,
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)
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from llama_stack.providers.utils.inference.model_registry import (
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ModelRegistryHelper,
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)
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from llama_stack.providers.utils.inference.model_registry import ModelRegistryHelper
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from llama_stack.providers.utils.inference.openai_compat import (
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process_chat_completion_stream_response,
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)
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@ -293,14 +291,12 @@ class SambaNovaInferenceAdapter(ModelRegistryHelper, Inference):
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if not tool_calls:
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return []
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for call in tool_calls:
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call_function_arguments = json.loads(call.function.arguments)
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compitable_tool_calls = [
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ToolCall(
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call_id=call.id,
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tool_name=call.function.name,
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arguments=call_function_arguments,
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arguments=json.loads(call.function.arguments),
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arguments_json=call.function.arguments,
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)
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for call in tool_calls
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]
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@ -90,15 +90,12 @@ def _convert_to_vllm_tool_calls_in_response(
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if not tool_calls:
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return []
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call_function_arguments = None
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for call in tool_calls:
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call_function_arguments = json.loads(call.function.arguments)
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return [
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ToolCall(
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call_id=call.id,
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tool_name=call.function.name,
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arguments=call_function_arguments,
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arguments=json.loads(call.function.arguments),
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arguments_json=call.function.arguments,
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)
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for call in tool_calls
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]
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@ -183,6 +180,7 @@ async def _process_vllm_chat_completion_stream_response(
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call_id=tool_call_buf.call_id,
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tool_name=tool_call_buf.tool_name,
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arguments=args,
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arguments_json=args_str,
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),
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parse_status=ToolCallParseStatus.succeeded,
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),
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@ -529,7 +529,11 @@ async def convert_message_to_openai_dict_new(
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) -> Union[str, Iterable[OpenAIChatCompletionContentPartParam]]:
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async def impl(
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content_: InterleavedContent,
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) -> Union[str, OpenAIChatCompletionContentPartParam, List[OpenAIChatCompletionContentPartParam]]:
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) -> Union[
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str,
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OpenAIChatCompletionContentPartParam,
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List[OpenAIChatCompletionContentPartParam],
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]:
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# Llama Stack and OpenAI spec match for str and text input
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if isinstance(content_, str):
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return content_
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OpenAIChatCompletionMessageToolCall(
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id=tool.call_id,
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function=OpenAIFunction(
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name=tool.tool_name if not isinstance(tool.tool_name, BuiltinTool) else tool.tool_name.value,
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name=(tool.tool_name if not isinstance(tool.tool_name, BuiltinTool) else tool.tool_name.value),
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arguments=json.dumps(tool.arguments),
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),
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type="function",
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call_id=tool_call.id,
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tool_name=tool_call.function.name,
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arguments=json.loads(tool_call.function.arguments),
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arguments_json=tool_call.function.arguments,
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)
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except Exception:
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return UnparseableToolCall(
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@ -759,6 +764,7 @@ def _convert_openai_tool_calls(
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call_id=call.id,
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tool_name=call.function.name,
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arguments=json.loads(call.function.arguments),
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arguments_json=call.function.arguments,
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)
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for call in tool_calls
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]
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@ -890,7 +896,8 @@ async def convert_openai_chat_completion_stream(
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# ChatCompletionResponseEvent only supports one per stream
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if len(choice.delta.tool_calls) > 1:
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warnings.warn(
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"multiple tool calls found in a single delta, using the first, ignoring the rest", stacklevel=2
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"multiple tool calls found in a single delta, using the first, ignoring the rest",
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stacklevel=2,
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)
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if not enable_incremental_tool_calls:
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@ -971,6 +978,7 @@ async def convert_openai_chat_completion_stream(
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call_id=buffer["call_id"],
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tool_name=buffer["name"],
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arguments=arguments,
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arguments_json=buffer["arguments"],
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)
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yield ChatCompletionResponseStreamChunk(
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event=ChatCompletionResponseEvent(
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@ -165,7 +165,10 @@ class PrepareMessagesTests(unittest.IsolatedAsyncioTestCase):
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request.model = MODEL
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request.tool_config.tool_prompt_format = ToolPromptFormat.json
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prompt = await chat_completion_request_to_prompt(request, request.model)
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self.assertIn('{"type": "function", "name": "custom1", "parameters": {"param1": "value1"}}', prompt)
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self.assertIn(
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'{"type": "function", "name": "custom1", "parameters": {"param1": "value1"}}',
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prompt,
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)
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async def test_user_provided_system_message(self):
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content = "Hello !"
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