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Revert "Update llama guard file to latest version" #2

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Merged
merged 1 commit into from
Jul 23, 2024
Merged

Revert "Update llama guard file to latest version" #2

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9 changes: 5 additions & 4 deletions llama_toolchain/safety/shields/llama_guard.py
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Original file line number Diff line number Diff line change
@@ -1,11 +1,11 @@

import re

from string import Template
from typing import List, Optional

import torch
from llama_models.llama3_1.api.datatypes import Message
from termcolor import cprint
from transformers import AutoModelForCausalLM, AutoTokenizer

from .base import CANNED_RESPONSE_TEXT, OnViolationAction, ShieldBase, ShieldResponse
Expand Down Expand Up @@ -177,10 +177,10 @@ def build_prompt(self, messages: List[Message]) -> str:
categories = self.get_safety_categories()
categories_str = "\n".join(categories)
conversations_str = "\n\n".join(
[f"{m.role.name.capitalize()}: {m.content}" for m in messages]
[f"{m.role.capitalize()}: {m.content}" for m in messages]
)
return PROMPT_TEMPLATE.substitute(
agent_type=messages[-1].role.name.capitalize(),
agent_type=messages[-1].role.capitalize(),
categories=categories_str,
conversations=conversations_str,
)
Expand Down Expand Up @@ -230,7 +230,7 @@ async def run(self, messages: List[Message]) -> ShieldResponse:
prompt_len = input_ids.shape[1]
output = self.model.generate(
input_ids=input_ids,
max_new_tokens=50,
max_new_tokens=20,
output_scores=True,
return_dict_in_generate=True,
pad_token_id=0,
Expand All @@ -244,4 +244,5 @@ async def run(self, messages: List[Message]) -> ShieldResponse:
response = response.strip()
shield_response = self.get_shield_response(response)

cprint(f"Final Llama Guard response {shield_response}", color="magenta")
return shield_response