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<link href="/docs/transformers/main/en/_app/immutable/assets/0.tn0RQdqM.css" rel="modulepreload"> <!--[--><!--[0--><!--[--><!--[0--><!--[--><p></p> <div class="items-center shrink-0 min-w-[100px] max-sm:min-w-[50px] justify-end ml-auto flex" style="float: inline-end; margin-inline-start: 10px; display: inline-flex; position: relative; z-index: 10;"><div dir="ltr" class="inline-flex rounded-md max-sm:rounded-sm"><button class="inline-flex items-center gap-1 h-7 max-sm:h-7 px-2 max-sm:px-1.5 text-sm font-medium text-gray-800 border border-r-0 rounded-l-md max-sm:rounded-l-sm border-gray-200 bg-white hover:shadow-inner dark:border-gray-850 dark:bg-gray-950 dark:text-gray-200 dark:hover:bg-gray-800" aria-live="polite"><span class="inline-flex items-center justify-center rounded-md p-0.5 max-sm:p-0 hover:text-gray-800 dark:hover:text-gray-200"><svg class="sm:size-3.5 size-3" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----></span> <span dir="auto">Copy page</span></button> <button class="inline-flex items-center justify-center w-6 max-sm:w-5 h-7 max-sm:h-7 disabled:pointer-events-none text-sm text-gray-500 hover:text-gray-700 dark:hover:text-white rounded-r-md max-sm:rounded-r-sm border border-l transition border-gray-200 bg-white hover:shadow-inner dark:border-gray-850 dark:bg-gray-950 dark:text-gray-200 dark:hover:bg-gray-800" aria-haspopup="menu" aria-expanded="false" aria-label="Open copy menu"><svg class="transition-transform text-gray-400 overflow-visible sm:size-3.5 size-3 rotate-0" width="1em" height="1em" viewBox="0 0 12 7" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M1 1L6 6L11 1" stroke="currentColor"></path></svg><!----></button></div> <!--[-1--><!--]--></div><!----> <!--[0--><h1 class="relative group"><a id="tool-use" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#tool-use"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span><!---->도구 사용<!----></span></h1><!--]--><!----> <p>Chat 모델은 일반적으로 “function-calling” 또는 “tool-use”를 지원하도록 학습됩니다. Tools는 사용자가 제공하는 함수이며, 모델은 응답의 일부로 이를 호출할 수 있습니다. 예를 들어, 모델은 내부적으로 계산을 수행하지 않고도 산술 연산을 수행하기 위해 계산기 tool에 접근할 수 있습니다.</p> <p>이 가이드에서는 도구를 정의하는 방법, 채팅 모델에 도구를 전달하는 방법, 그리고 모델이 도구를 호출할 때 모델의 출력을 처리하는 방법을 보여줍니다.</p> <!--[1--><h2 class="relative group"><a id="passing-tools" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#passing-tools"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span><!---->도구 전달<!----></span></h2><!--]--><!----> <p>모델이 tool-use를 지원하는 경우, <a href="/docs/transformers/main/ko/internal/tokenization_utils#transformers.PreTrainedTokenizerBase.apply_chat_template">apply_chat_template()</a>의 <code>tools</code> 인자에 함수를 전달합니다.
tools는 <a href="https://json-schema.org/learn" rel="nofollow">JSON schema</a> 또는 Python 함수로 전달됩니다. Python 함수를 전달하면
인자, 인자 유형, 함수 docstring이 파싱되어 JSON schema가 자동으로 생성됩니다.</p> <p>Python 함수를 전달하는 것은 매우 편리하지만, 파서는 <a href="https://google.github.io/styleguide/pyguide.html#38-comments-and-docstrings" rel="nofollow">Google 스타일</a> docstring만 처리할 수 있습니다. 도구 사용이 가능한 함수를 어떻게 포맷팅해야 하는지 확인하려면 아래 예시를 참조하세요.</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> 복사됨</div><!----></button><!----></div> <pre class="language-py "><!----><span class="hljs-keyword">def</span> <span class="hljs-title function_">get_current_temperature</span>(<span class="hljs-params">location: <span class="hljs-built_in">str</span>, unit: <span class="hljs-built_in">str</span></span>):
<span class="hljs-string">&quot;&quot;&quot;
Get the current temperature at a location.
Args:
location: The location to get the temperature for, in the format &quot;City, Country&quot;
unit: The unit to return the temperature in. (choices: [&quot;celsius&quot;, &quot;fahrenheit&quot;])
&quot;&quot;&quot;</span>
<span class="hljs-keyword">return</span> <span class="hljs-number">22.</span> <span class="hljs-comment"># A real function should probably actually get the temperature!</span>
<span class="hljs-keyword">def</span> <span class="hljs-title function_">get_current_wind_speed</span>(<span class="hljs-params">location: <span class="hljs-built_in">str</span></span>):
<span class="hljs-string">&quot;&quot;&quot;
Get the current wind speed in km/h at a given location.
Args:
location: The location to get the wind speed for, in the format &quot;City, Country&quot;
&quot;&quot;&quot;</span>
<span class="hljs-keyword">return</span> <span class="hljs-number">6.</span> <span class="hljs-comment"># A real function should probably actually get the wind speed!</span>
tools = [get_current_temperature, get_current_wind_speed]<!----></pre></div><!----> <p><code>Returns:</code> 블록을 docstring에, 반환 타입을 함수 헤더에 선택적으로 추가할 수 있지만 대부분의 모델은 이 정보를 사용하지 않습니다. 파서는 함수 내부의 실제 코드도 무시합니다!</p> <p>실제로 중요한 것은 함수 이름, 인자 이름, 인자 유형, 그리고 함수의 목적과 인자의 목적을 설명하는 docstring입니다. 이들은 모델이 도구를 호출할지 여부를 결정하는 데 사용하는 “서명(signature)”을 만듭니다.</p> <!--[1--><h2 class="relative group"><a id="tool-calling-example" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#tool-calling-example"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span><!---->Tool-calling 예시<!----></span></h2><!--]--><!----> <p><a href="https://hf.co/NousResearch/Hermes-2-Pro-Llama-3-8B" rel="nofollow">NousResearch/Hermes-2-Pro-Llama-3-8B</a>와 같이 도구 사용(tool-use)을 지원하는 모델과 토크나이저를 로드하세요. 하드웨어가 지원할 경우 <a href="./model_doc/cohere">Command-R</a>나 <a href="./model_doc/mixtral">Mixtral-8x22B</a>와 같은 더 큰 모델도 고려해 볼 수 있습니다.</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> 복사됨</div><!----></button><!----></div> <pre class="language-py "><!----><span class="hljs-keyword">import</span> torch
<span class="hljs-keyword">from</span> transformers <span class="hljs-keyword">import</span> AutoModelForCausalLM, AutoTokenizer
checkpoint = <span class="hljs-string">&quot;NousResearch/Hermes-2-Pro-Llama-3-8B&quot;</span>
tokenizer = AutoTokenizer.from_pretrained(checkpoint)
model = AutoModelForCausalLM.from_pretrained(checkpoint, dtype=<span class="hljs-string">&quot;auto&quot;</span>, device_map=<span class="hljs-string">&quot;auto&quot;</span>)<!----></pre></div><!----> <p>채팅 기록을 생성합니다.</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> 복사됨</div><!----></button><!----></div> <pre class="language-py "><!---->messages = [
{<span class="hljs-string">&quot;role&quot;</span>: <span class="hljs-string">&quot;system&quot;</span>, <span class="hljs-string">&quot;content&quot;</span>: <span class="hljs-string">&quot;You are a bot that responds to weather queries. You should reply with the unit used in the queried location.&quot;</span>},
{<span class="hljs-string">&quot;role&quot;</span>: <span class="hljs-string">&quot;user&quot;</span>, <span class="hljs-string">&quot;content&quot;</span>: <span class="hljs-string">&quot;Hey, what&#x27;s the temperature in Paris right now?&quot;</span>}
]<!----></pre></div><!----> <p>다음으로 <code>messages</code>와 도구 목록을 <a href="/docs/transformers/main/ko/internal/tokenization_utils#transformers.PreTrainedTokenizerBase.apply_chat_template">apply_chat_template()</a>에 전달합니다. 채팅을 토큰화하고 응답을 생성합니다.</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> 복사됨</div><!----></button><!----></div> <pre class="language-py "><!---->inputs = tokenizer.apply_chat_template(messages, tools=tools, add_generation_prompt=<span class="hljs-literal">True</span>, return_dict=<span class="hljs-literal">True</span>, return_tensors=<span class="hljs-string">&quot;pt&quot;</span>)
outputs = model.generate(**inputs.to(model.device), max_new_tokens=<span class="hljs-number">128</span>)
<span class="hljs-built_in">print</span>(tokenizer.decode(outputs[<span class="hljs-number">0</span>][<span class="hljs-built_in">len</span>(inputs[<span class="hljs-string">&quot;input_ids&quot;</span>][<span class="hljs-number">0</span>]):]))<!----></pre></div><!----> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> 복사됨</div><!----></button><!----></div> <pre class="language-txt "><!---->&lt;tool_call&gt;
{&quot;arguments&quot;: {&quot;location&quot;: &quot;Paris, France&quot;, &quot;unit&quot;: &quot;celsius&quot;}, &quot;name&quot;: &quot;get_current_temperature&quot;}
&lt;/tool_call&gt;&lt;|im_end|&gt;<!----></pre></div><!----> <p>채팅 모델은 docstring의 올바른 매개변수를 사용하여 <code>get_current_temperature</code> 도구를 호출했습니다. 파리를 근거로 위치를 프랑스로 추론했으며, 온도 단위로 섭씨를 사용해야 한다고 판단했습니다.</p> <p>모델은 <strong>도구를 직접 호출할 수 없습니다</strong>. 모델은 도구 호출을 요청할 뿐, 해당 호출을 처리하고 호출 및 결과를 채팅 히스토리에 추가하는 것은 사용자의 역할입니다. <a href="./chat_response_parsing">응답 파싱</a>을 지원하는 모델의 경우, 응답 파싱이 자동으로 처리되며 <a href="/docs/transformers/main/ko/internal/tokenization_utils#transformers.PreTrainedTokenizerBase.parse_response">parse_response()</a>를 사용하여 도구 호출을 추출할 수 있습니다. 다른 모델의 경우, 출력 문자열을 도구 호출 dict로 수동으로 변환해야 합니다.</p> <p>어떤 방식을 사용하든, 도구 호출은 <code>assistant</code> 메시지의 <code>tool_calls</code> 키에 포함되어야 합니다. 이는 권장되는 API이며, 대부분의 도구 사용 모델의 채팅 템플릿에서 지원되어야 합니다.</p> <blockquote class="warning"><p><code>tool_calls</code>은 OpenAI API와 유사하지만, OpenAI API는 <code>tool_calls</code> 형식으로 JSON 문자열을 사용합니다. dict를 기대하는 Transformers에서 이를 사용하면 오류나 이상한 모델 동작이 발생할 수 있습니다.</p></blockquote> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> 복사됨</div><!----></button><!----></div> <pre class="language-py "><!---->tool_call = {<span class="hljs-string">&quot;name&quot;</span>: <span class="hljs-string">&quot;get_current_temperature&quot;</span>, <span class="hljs-string">&quot;arguments&quot;</span>: {<span class="hljs-string">&quot;location&quot;</span>: <span class="hljs-string">&quot;Paris, France&quot;</span>, <span class="hljs-string">&quot;unit&quot;</span>: <span class="hljs-string">&quot;celsius&quot;</span>}}
messages.append({<span class="hljs-string">&quot;role&quot;</span>: <span class="hljs-string">&quot;assistant&quot;</span>, <span class="hljs-string">&quot;tool_calls&quot;</span>: [{<span class="hljs-string">&quot;type&quot;</span>: <span class="hljs-string">&quot;function&quot;</span>, <span class="hljs-string">&quot;function&quot;</span>: tool_call}]})<!----></pre></div><!----> <p><code>tool</code> 역할을 사용하여 도구 응답을 채팅 히스토리에 추가합니다.</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> 복사됨</div><!----></button><!----></div> <pre class="language-py "><!---->messages.append({<span class="hljs-string">&quot;role&quot;</span>: <span class="hljs-string">&quot;tool&quot;</span>, <span class="hljs-string">&quot;content&quot;</span>: <span class="hljs-string">&quot;22&quot;</span>}) <span class="hljs-comment"># Note that the returned content is always a string!</span><!----></pre></div><!----> <p>마지막으로, 모델이 도구 응답을 읽고 사용자에게 답변하도록 허용합니다.</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> 복사됨</div><!----></button><!----></div> <pre class="language-py "><!---->inputs = tokenizer.apply_chat_template(messages, tools=tools, add_generation_prompt=<span class="hljs-literal">True</span>, return_dict=<span class="hljs-literal">True</span>, return_tensors=<span class="hljs-string">&quot;pt&quot;</span>)
out = model.generate(**inputs.to(model.device), max_new_tokens=<span class="hljs-number">128</span>)
<span class="hljs-built_in">print</span>(tokenizer.decode(out[<span class="hljs-number">0</span>][<span class="hljs-built_in">len</span>(inputs[<span class="hljs-string">&quot;input_ids&quot;</span>][<span class="hljs-number">0</span>]):]))<!----></pre></div><!----> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> 복사됨</div><!----></button><!----></div> <pre class="language-txt "><!---->The temperature in Paris, France right now is 22°C.&lt;|im_end|&gt;<!----></pre></div><!----> <blockquote class="warning"><p>어시스턴트 메시지의 키 이름이 <code>tool_calls</code>이지만, 대부분의 경우 모델은 한 번에 하나의 tool call만 출력합니다. 일부 구형 모델은 동시에 여러 tool call을 출력하지만, 이는 여러 tool 응답을 한 번에 처리하고 tool call ID를 사용하여 이를 구분해야 하므로 훨씬 복잡한 과정입니다. 모델이 tool call에 대해 어떤 형식을 기대하는지 정확히 확인하려면 모델 카드를 참조하세요.</p></blockquote> <!--[1--><h2 class="relative group"><a id="json-schemas" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#json-schemas"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span><!---->JSON 스키마<!----></span></h2><!--]--><!----> <p>도구를 정의하는 또 다른 방법은 <a href="https://json-schema.org/learn/getting-started-step-by-step" rel="nofollow">JSON schema</a>를 전달하는 것입니다.</p> <p>Python 함수를 JSON 스키마로 변환하는 저수준 함수를 수동으로 호출한 후, 생성된 스키마를 확인하거나 편집할 수도 있습니다. 이는 일반적으로 필요하지 않지만, 내부 작동 방식을 이해하는 데 유용합니다. 특히 도구 정의를 렌더링하기 위해 JSON 스키마에 접근해야 하는 채팅 템플릿 작성자에게 매우 중요합니다.</p> <p><a href="/docs/transformers/main/ko/internal/tokenization_utils#transformers.PreTrainedTokenizerBase.apply_chat_template">apply_chat_template()</a> 메서드는 <a href="https://github.com/huggingface/transformers/blob/14561209291255e51c55260306c7d00c159381a5/src/transformers/utils/chat_template_utils.py#L205" rel="nofollow">get_json_schema</a> 함수를 사용하여 Python 콜러블을 JSON 스키마로 변환합니다. 여기에는 메서드가 포함되며, <code>self</code>와 <code>cls</code>는 암시적 수신자 인수로 간주되어 무시됩니다.</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> 복사됨</div><!----></button><!----></div> <pre class="language-py "><!----><span class="hljs-keyword">from</span> transformers.utils <span class="hljs-keyword">import</span> get_json_schema
<span class="hljs-keyword">def</span> <span class="hljs-title function_">multiply</span>(<span class="hljs-params">a: <span class="hljs-built_in">float</span>, b: <span class="hljs-built_in">float</span></span>):
<span class="hljs-string">&quot;&quot;&quot;
A function that multiplies two numbers
Args:
a: The first number to multiply
b: The second number to multiply
&quot;&quot;&quot;</span>
<span class="hljs-keyword">return</span> a * b
schema = get_json_schema(multiply)
<span class="hljs-built_in">print</span>(schema)<!----></pre></div><!----> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> 복사됨</div><!----></button><!----></div> <pre class="language-json "><!----><span class="hljs-punctuation">{</span>
<span class="hljs-attr">&quot;type&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-string">&quot;function&quot;</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">&quot;function&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">&quot;name&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-string">&quot;multiply&quot;</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">&quot;description&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-string">&quot;A function that multiplies two numbers&quot;</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">&quot;parameters&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">&quot;type&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-string">&quot;object&quot;</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">&quot;properties&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">&quot;a&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">&quot;type&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-string">&quot;number&quot;</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">&quot;description&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-string">&quot;The first number to multiply&quot;</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">&quot;b&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">&quot;type&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-string">&quot;number&quot;</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">&quot;description&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-string">&quot;The second number to multiply&quot;</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">&quot;required&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">[</span><span class="hljs-string">&quot;a&quot;</span><span class="hljs-punctuation">,</span> <span class="hljs-string">&quot;b&quot;</span><span class="hljs-punctuation">]</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span><!----></pre></div><!----> <p>JSON 스키마 자체에 대한 세부 사항은 이미 다른 곳에서 <a href="https://json-schema.org/" rel="nofollow">매우 잘 문서화</a>되어 있으므로 여기서는 다루지 않습니다. 대신, Python 함수 대신 JSON 스키마 딕셔너리를 <a href="/docs/transformers/main/ko/internal/tokenization_utils#transformers.PreTrainedTokenizerBase.apply_chat_template">apply_chat_template()</a>의 <code>tools</code> 인자로 전달할 수 있음을 언급합니다:</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> 복사됨</div><!----></button><!----></div> <pre class="language-py "><!----><span class="hljs-comment"># A simple function that takes no arguments</span>
current_time = {
<span class="hljs-string">&quot;type&quot;</span>: <span class="hljs-string">&quot;function&quot;</span>,
<span class="hljs-string">&quot;function&quot;</span>: {
<span class="hljs-string">&quot;name&quot;</span>: <span class="hljs-string">&quot;current_time&quot;</span>,
<span class="hljs-string">&quot;description&quot;</span>: <span class="hljs-string">&quot;Get the current local time as a string.&quot;</span>,
<span class="hljs-string">&quot;parameters&quot;</span>: {
<span class="hljs-string">&#x27;type&#x27;</span>: <span class="hljs-string">&#x27;object&#x27;</span>,
<span class="hljs-string">&#x27;properties&#x27;</span>: {}
}
}
}
<span class="hljs-comment"># A more complete function that takes two numerical arguments</span>
multiply = {
<span class="hljs-string">&#x27;type&#x27;</span>: <span class="hljs-string">&#x27;function&#x27;</span>,
<span class="hljs-string">&#x27;function&#x27;</span>: {
<span class="hljs-string">&#x27;name&#x27;</span>: <span class="hljs-string">&#x27;multiply&#x27;</span>,
<span class="hljs-string">&#x27;description&#x27;</span>: <span class="hljs-string">&#x27;A function that multiplies two numbers&#x27;</span>,
<span class="hljs-string">&#x27;parameters&#x27;</span>: {
<span class="hljs-string">&#x27;type&#x27;</span>: <span class="hljs-string">&#x27;object&#x27;</span>,
<span class="hljs-string">&#x27;properties&#x27;</span>: {
<span class="hljs-string">&#x27;a&#x27;</span>: {
<span class="hljs-string">&#x27;type&#x27;</span>: <span class="hljs-string">&#x27;number&#x27;</span>,
<span class="hljs-string">&#x27;description&#x27;</span>: <span class="hljs-string">&#x27;The first number to multiply&#x27;</span>
},
<span class="hljs-string">&#x27;b&#x27;</span>: {
<span class="hljs-string">&#x27;type&#x27;</span>: <span class="hljs-string">&#x27;number&#x27;</span>, <span class="hljs-string">&#x27;description&#x27;</span>: <span class="hljs-string">&#x27;The second number to multiply&#x27;</span>
}
},
<span class="hljs-string">&#x27;required&#x27;</span>: [<span class="hljs-string">&#x27;a&#x27;</span>, <span class="hljs-string">&#x27;b&#x27;</span>]
}
}
}
model_input = tokenizer.apply_chat_template(
messages,
tools = [current_time, multiply]
)<!----></pre></div><!----> <a class="!text-gray-400 !no-underline text-sm flex items-center not-prose mt-4" href="https://github.com/huggingface/transformers/blob/main/docs/source/en/chat_extras.md" target="_blank"><svg class="mr-1" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M31,16l-7,7l-1.41-1.41L28.17,16l-5.58-5.59L24,9l7,7z"></path><path d="M1,16l7-7l1.41,1.41L3.83,16l5.58,5.59L8,23l-7-7z"></path><path d="M12.419,25.484L17.639,6.552l1.932,0.518L14.351,26.002z"></path></svg><!----> <span><span class="underline">Update</span> on GitHub</span></a><!----> <p></p><!--]--><!----><!--]--><!--]--><!--]--> <!--[-1--><!--]--><!--]-->
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