remove conflicting default for tool prompt format in chat completion (#742)

# What does this PR do?
We are setting a default value of json for tool prompt format, which
conflicts with llama 3.2/3.3 models since they use python list. This PR
changes the defaults to None and in the code, we infer default based on
the model.

Addresses: #695 

Tests:
❯ LLAMA_STACK_BASE_URL=http://localhost:5000 pytest -v
tests/client-sdk/inference/test_inference.py -k
"test_text_chat_completion"

 pytest llama_stack/providers/tests/inference/test_prompt_adapter.py
This commit is contained in:
Dinesh Yeduguru 2025-01-10 10:41:53 -08:00 committed by GitHub
parent 24fa1adc2f
commit 8af6951106
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GPG key ID: B5690EEEBB952194
21 changed files with 27 additions and 91 deletions

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@ -7,7 +7,6 @@
from enum import Enum
from typing import Any, Dict, List, Literal, Optional
from llama_models.llama3.api.datatypes import ToolPromptFormat
from llama_models.schema_utils import json_schema_type, webmethod
from pydantic import BaseModel, Field
from typing_extensions import Protocol, runtime_checkable
@ -41,9 +40,6 @@ class Tool(Resource):
description: str
parameters: List[ToolParameter]
metadata: Optional[Dict[str, Any]] = None
tool_prompt_format: Optional[ToolPromptFormat] = Field(
default=ToolPromptFormat.json
)
@json_schema_type
@ -52,9 +48,6 @@ class ToolDef(BaseModel):
description: Optional[str] = None
parameters: Optional[List[ToolParameter]] = None
metadata: Optional[Dict[str, Any]] = None
tool_prompt_format: Optional[ToolPromptFormat] = Field(
default=ToolPromptFormat.json
)
@json_schema_type