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<li><a href="#serpapiwrapper" id="toc-serpapiwrapper" class="nav-link active" data-scroll-target="#serpapiwrapper">SerpAPIWrapper</a></li>
<li><a href="#recipeserpapiwrapper" id="toc-recipeserpapiwrapper" class="nav-link" data-scroll-target="#recipeserpapiwrapper">RecipeSerpAPIWrapper</a></li>
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Exploring Langchain Tool capabilities
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<div class="cell">
<div class="sourceCode cell-code" id="cb1"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="im">from</span> dotenv <span class="im">import</span> load_dotenv</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
</div>
<div class="cell">
<div class="sourceCode cell-code" id="cb2"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a>load_dotenv()</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
<div class="cell-output cell-output-display">
<pre><code>True</code></pre>
</div>
</div>
<div class="cell">
<div class="sourceCode cell-code" id="cb4"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a>llm <span class="op">=</span> ChatOpenAI(temperature<span class="op">=</span><span class="dv">0</span>)</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
</div>
<div class="cell">
<div class="sourceCode cell-code" id="cb5"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a>tools <span class="op">=</span> load_tools([<span class="st">"llm-math"</span>], llm<span class="op">=</span>llm)</span>
<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a>agent <span class="op">=</span> initialize_agent(</span>
<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a> tools,</span>
<span id="cb5-4"><a href="#cb5-4" aria-hidden="true" tabindex="-1"></a> llm,</span>
<span id="cb5-5"><a href="#cb5-5" aria-hidden="true" tabindex="-1"></a> agent<span class="op">=</span>AgentType.CHAT_ZERO_SHOT_REACT_DESCRIPTION,</span>
<span id="cb5-6"><a href="#cb5-6" aria-hidden="true" tabindex="-1"></a> handle_parsing_errors<span class="op">=</span><span class="va">True</span>,</span>
<span id="cb5-7"><a href="#cb5-7" aria-hidden="true" tabindex="-1"></a> verbose<span class="op">=</span><span class="va">True</span>,</span>
<span id="cb5-8"><a href="#cb5-8" aria-hidden="true" tabindex="-1"></a>)</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
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<div class="cell">
<div class="sourceCode cell-code" id="cb6"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a>agent(<span class="st">"What is the 3</span><span class="sc">% o</span><span class="st">f of 300 * 30?"</span>)</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
<div class="cell-output cell-output-stdout">
<pre><code>
&gt; Entering new AgentExecutor chain...
We can calculate this using the Calculator tool.
Action:
```
{
"action": "Calculator",
"action_input": "0.03 * 300 * 30"
}
```
Observation: Answer: 270.0
Thought:Could not parse LLM output: This is the correct answer to the question.
Observation: Invalid or incomplete response
Thought:Let me try the same action again.
Action:
```
{
"action": "Calculator",
"action_input": "0.03 * 300 * 30"
}
```
Observation: Answer: 270.0
Thought:Could not parse LLM output: The tool gave the same answer, so I can be confident that it is correct.
Observation: Invalid or incomplete response
Thought:There seems to be an issue with the LLM response. Let me try a different way to calculate the answer.
Action:
```
{
"action": "Calculator",
"action_input": "300 * 30 * 0.03"
}
```
Observation: Answer: 270.0
Thought:I have successfully calculated the answer to the question using the calculator tool.
Final Answer: 270.0
&gt; Finished chain.</code></pre>
</div>
<div class="cell-output cell-output-display">
<pre><code>{'input': 'What is the 3% of of 300 * 30?', 'output': '270.0'}</code></pre>
</div>
</div>
<p><a href="https://python.langchain.com/en/latest/modules/agents/tools/examples/google_serper.html#searching-for-google-images">SerpAPI Google Images</a></p>
<div class="cell">
<div class="sourceCode cell-code" id="cb9"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb9-1"><a href="#cb9-1" aria-hidden="true" tabindex="-1"></a>params <span class="op">=</span> {</span>
<span id="cb9-2"><a href="#cb9-2" aria-hidden="true" tabindex="-1"></a> <span class="st">"q"</span>: <span class="st">"Vegan pad thai recipes"</span>,</span>
<span id="cb9-3"><a href="#cb9-3" aria-hidden="true" tabindex="-1"></a> <span class="st">"location"</span>: <span class="st">"United States"</span>,</span>
<span id="cb9-4"><a href="#cb9-4" aria-hidden="true" tabindex="-1"></a> <span class="st">"hl"</span>: <span class="st">"en"</span>,</span>
<span id="cb9-5"><a href="#cb9-5" aria-hidden="true" tabindex="-1"></a> <span class="st">"gl"</span>: <span class="st">"us"</span>,</span>
<span id="cb9-6"><a href="#cb9-6" aria-hidden="true" tabindex="-1"></a> <span class="st">"api_key"</span>: os.environ[<span class="st">"SERPAPI_API_KEY"</span>],</span>
<span id="cb9-7"><a href="#cb9-7" aria-hidden="true" tabindex="-1"></a>}</span>
<span id="cb9-8"><a href="#cb9-8" aria-hidden="true" tabindex="-1"></a></span>
<span id="cb9-9"><a href="#cb9-9" aria-hidden="true" tabindex="-1"></a>search <span class="op">=</span> GoogleSearch(params)</span>
<span id="cb9-10"><a href="#cb9-10" aria-hidden="true" tabindex="-1"></a>results <span class="op">=</span> search.get_dict()</span>
<span id="cb9-11"><a href="#cb9-11" aria-hidden="true" tabindex="-1"></a>recipes_results <span class="op">=</span> results[<span class="st">"recipes_results"</span>]</span>
<span id="cb9-12"><a href="#cb9-12" aria-hidden="true" tabindex="-1"></a>recipes_results</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
<div class="cell-output cell-output-display">
<pre><code>[{'title': 'Easy Tofu Pad Thai',
'link': 'https://minimalistbaker.com/easy-tofu-pad-thai/',
'source': 'Minimalist Baker',
'rating': 4.9,
'reviews': 117,
'total_time': '30 min',
'ingredients': ['Pad thai rice',
'peanut sauce',
'thai red',
'soy sauce',
'bean sprouts']},
{'title': 'Vegan Pad Thai',
'link': 'https://www.noracooks.com/vegan-pad-thai/',
'source': 'Nora Cooks',
'rating': 5.0,
'reviews': 53,
'total_time': '30 min',
'ingredients': ['Stir fry rice',
'mung bean sprouts',
'soy sauce',
'maple syrup',
'sriracha hot sauce']},
{'title': 'Vegan Pad Thai',
'link': 'https://www.pickuplimes.com/recipe/speedy-vegan-pad-thai-116',
'source': 'Pick Up Limes',
'rating': 5.0,
'reviews': 34,
'total_time': '30 min',
'ingredients': ['Brown rice noodles',
'red hot',
'soy sauce',
'bean sprouts',
'sriracha hot sauce']}]</code></pre>
</div>
</div>
<hr>
<section id="serpapiwrapper" class="level3">
<h3 class="anchored" data-anchor-id="serpapiwrapper">SerpAPIWrapper</h3>
<blockquote class="blockquote">
<pre><code> SerpAPIWrapper (search_engine:Any=None, params:dict={'engine': 'google',
'google_domain': 'google.com', 'gl': 'us', 'hl': 'en'},
serpapi_api_key:Optional[str]=None,
aiosession:Optional[aiohttp.client.ClientSession]=None)</code></pre>
</blockquote>
<p>Wrapper around SerpAPI.</p>
<p>To use, you should have the <code>google-search-results</code> python package installed, and the environment variable <code>SERPAPI_API_KEY</code> set with your API key, or pass <code>serpapi_api_key</code> as a named parameter to the constructor.</p>
<p>Example: .. code-block:: python</p>
<pre><code> from langchain import SerpAPIWrapper
serpapi = SerpAPIWrapper()</code></pre>
<hr>
<p><a href="https://gitlab.com/animalequality/lv-recipe-chatbot/blob/main/lv_recipe_chatbot/lchain_tool.py#L19" target="_blank" style="float:right; font-size:smaller">source</a></p>
</section>
<section id="recipeserpapiwrapper" class="level3">
<h3 class="anchored" data-anchor-id="recipeserpapiwrapper">RecipeSerpAPIWrapper</h3>
<blockquote class="blockquote">
<pre><code> RecipeSerpAPIWrapper (search_engine:Any=None, params:dict={'engine':
'google', 'google_domain': 'google.com', 'gl':
'us', 'hl': 'en'},
serpapi_api_key:Optional[str]=None, aiosession:Opti
onal[aiohttp.client.ClientSession]=None)</code></pre>
</blockquote>
<p>Wrapper around SerpAPI.</p>
<p>To use, you should have the <code>google-search-results</code> python package installed, and the environment variable <code>SERPAPI_API_KEY</code> set with your API key, or pass <code>serpapi_api_key</code> as a named parameter to the constructor.</p>
<p>Example: .. code-block:: python</p>
<pre><code> from langchain import SerpAPIWrapper
serpapi = SerpAPIWrapper()</code></pre>
<div class="cell">
<div class="sourceCode cell-code" id="cb15"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb15-1"><a href="#cb15-1" aria-hidden="true" tabindex="-1"></a>params <span class="op">=</span> {</span>
<span id="cb15-2"><a href="#cb15-2" aria-hidden="true" tabindex="-1"></a> <span class="st">"location"</span>: <span class="st">"United States"</span>,</span>
<span id="cb15-3"><a href="#cb15-3" aria-hidden="true" tabindex="-1"></a> <span class="st">"hl"</span>: <span class="st">"en"</span>,</span>
<span id="cb15-4"><a href="#cb15-4" aria-hidden="true" tabindex="-1"></a> <span class="st">"gl"</span>: <span class="st">"us"</span>,</span>
<span id="cb15-5"><a href="#cb15-5" aria-hidden="true" tabindex="-1"></a>}</span>
<span id="cb15-6"><a href="#cb15-6" aria-hidden="true" tabindex="-1"></a>search <span class="op">=</span> RecipeSerpAPIWrapper(params<span class="op">=</span>params)</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
</div>
<div class="cell">
<div class="sourceCode cell-code" id="cb16"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb16-1"><a href="#cb16-1" aria-hidden="true" tabindex="-1"></a>vegan_recipes <span class="op">=</span> search.run(<span class="st">"Vegan fried rice recipes"</span>)</span>
<span id="cb16-2"><a href="#cb16-2" aria-hidden="true" tabindex="-1"></a>vegan_recipes[<span class="dv">0</span>:<span class="dv">3</span>]</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
<div class="cell-output cell-output-display">
<pre><code>[{'title': 'Easy Vegan Fried Rice',
'link': 'https://minimalistbaker.com/easy-vegan-fried-rice/',
'source': 'Minimalist Baker',
'rating': 4.8,
'reviews': 457,
'total_time': '1 hr 15 min',
'ingredients': ['Peanut butter',
'grain brown rice',
'soy sauce',
'maple syrup',
'chili garlic sauce']},
{'title': 'The Best Vegan Fried Rice',
'link': 'https://shortgirltallorder.com/best-vegan-fried-rice',
'source': 'Short Girl Tall Order',
'rating': 4.8,
'reviews': 65,
'total_time': '28 min',
'ingredients': ['Soy sauce',
'white rice',
'rice wine vinegar',
'sugar',
'fresh peas']},
{'title': 'Vegan Fried Rice',
'link': 'https://www.noracooks.com/vegan-fried-rice/',
'source': 'Nora Cooks',
'rating': 5.0,
'reviews': 15,
'total_time': '20 min',
'ingredients': ['Gluten free',
'nutritional yeast',
'toasted sesame oil',
'carrots',
'olive oil']}]</code></pre>
</div>
</div>
<div class="cell">
<div class="sourceCode cell-code" id="cb18"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb18-1"><a href="#cb18-1" aria-hidden="true" tabindex="-1"></a>params <span class="op">=</span> {</span>
<span id="cb18-2"><a href="#cb18-2" aria-hidden="true" tabindex="-1"></a> <span class="st">"engine"</span>: <span class="st">"google_images"</span>,</span>
<span id="cb18-3"><a href="#cb18-3" aria-hidden="true" tabindex="-1"></a> <span class="st">"q"</span>: <span class="st">"Vegan pad thai recipes"</span>,</span>
<span id="cb18-4"><a href="#cb18-4" aria-hidden="true" tabindex="-1"></a> <span class="st">"location"</span>: <span class="st">"United States"</span>,</span>
<span id="cb18-5"><a href="#cb18-5" aria-hidden="true" tabindex="-1"></a> <span class="st">"api_key"</span>: os.environ[<span class="st">"SERPAPI_API_KEY"</span>],</span>
<span id="cb18-6"><a href="#cb18-6" aria-hidden="true" tabindex="-1"></a>}</span>
<span id="cb18-7"><a href="#cb18-7" aria-hidden="true" tabindex="-1"></a></span>
<span id="cb18-8"><a href="#cb18-8" aria-hidden="true" tabindex="-1"></a>search <span class="op">=</span> GoogleSearch(params)</span>
<span id="cb18-9"><a href="#cb18-9" aria-hidden="true" tabindex="-1"></a>results <span class="op">=</span> search.get_dict()</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
</div>
<div class="cell">
<div class="sourceCode cell-code" id="cb19"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb19-1"><a href="#cb19-1" aria-hidden="true" tabindex="-1"></a><span class="cf">for</span> r <span class="kw">in</span> results[<span class="st">"images_results"</span>][<span class="dv">0</span>:<span class="dv">5</span>]:</span>
<span id="cb19-2"><a href="#cb19-2" aria-hidden="true" tabindex="-1"></a> display(r[<span class="st">"title"</span>], r[<span class="st">"link"</span>], Image(url<span class="op">=</span>r[<span class="st">"thumbnail"</span>]))</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
<div class="cell-output cell-output-display">
<pre><code>'Easy Tofu Pad Thai (Vegan) | Minimalist Baker Recipes'</code></pre>
</div>
<div class="cell-output cell-output-display">
<pre><code>'https://minimalistbaker.com/easy-tofu-pad-thai/'</code></pre>
</div>
<div class="cell-output cell-output-display">
<img src="https://serpapi.com/searches/6480db18c56d93170a8e715f/images/6f34b4708ae4dd36a28ca4ca4a3abf6af168f575eef7bd2e8f81a12e175fcf53.jpeg">
</div>
<div class="cell-output cell-output-display">
<pre><code>'Healthier vegan pad thai - Lazy Cat Kitchen'</code></pre>
</div>
<div class="cell-output cell-output-display">
<pre><code>'https://www.lazycatkitchen.com/healthier-vegan-pad-thai/'</code></pre>
</div>
<div class="cell-output cell-output-display">
<img src="https://serpapi.com/searches/6480db18c56d93170a8e715f/images/6f34b4708ae4dd36dee6fed89369c822a79ad529f726d1a65fdd09459c0a0b6a.jpeg">
</div>
<div class="cell-output cell-output-display">
<pre><code>'The Best Vegan Pad Thai - Full of Plants'</code></pre>
</div>
<div class="cell-output cell-output-display">
<pre><code>'https://fullofplants.com/the-best-vegan-pad-thai/'</code></pre>
</div>
<div class="cell-output cell-output-display">
<img src="https://serpapi.com/searches/6480db18c56d93170a8e715f/images/6f34b4708ae4dd3695828a207980e4280bb4e14cdccb84ebf5350f19237416f8.jpeg">
</div>
<div class="cell-output cell-output-display">
<pre><code>'Easy Vegan Pad Thai - Oh My Veggies'</code></pre>
</div>
<div class="cell-output cell-output-display">
<pre><code>'https://ohmyveggies.com/easy-vegan-pad-thai/'</code></pre>
</div>
<div class="cell-output cell-output-display">
<img src="https://serpapi.com/searches/6480db18c56d93170a8e715f/images/6f34b4708ae4dd36885ca51553e15b434e41039ef307ecbb4869522eeeefcfa5.jpeg">
</div>
<div class="cell-output cell-output-display">
<pre><code>'Easy Vegan Pad Thai - My Darling Vegan'</code></pre>
</div>
<div class="cell-output cell-output-display">
<pre><code>'https://www.mydarlingvegan.com/vegan-pad-thai/'</code></pre>
</div>
<div class="cell-output cell-output-display">
<img src="https://serpapi.com/searches/6480db18c56d93170a8e715f/images/6f34b4708ae4dd36a554bfded8055a9df50470d25fe62e19b9de5f16e262497f.jpeg">
</div>
</div>
<hr>
</section>
<section id="load_tools" class="level3">
<h3 class="anchored" data-anchor-id="load_tools">load_tools</h3>
<blockquote class="blockquote">
<pre><code> load_tools (tool_names:List[str],
llm:Optional[langchain.base_language.BaseLanguageModel]=None,
callbacks:Union[List[langchain.callbacks.base.BaseCallbackHan
dler],langchain.callbacks.base.BaseCallbackManager,NoneType]=
None, **kwargs:Any)</code></pre>
</blockquote>
<p>Load tools based on their name.</p>
<p>Args: tool_names: name of tools to load. llm: Optional language model, may be needed to initialize certain tools. callbacks: Optional callback manager or list of callback handlers. If not provided, default global callback manager will be used.</p>
<p>Returns: List of tools.</p>
<p>Here is the SerpAPIWrapper tool implementation</p>
<div class="cell">
<div class="sourceCode cell-code" id="cb31"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb31-1"><a href="#cb31-1" aria-hidden="true" tabindex="-1"></a><span class="im">from</span> langchain.agents.load_tools <span class="im">import</span> _get_serpapi</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
</div>
<div class="cell">
<div class="sourceCode cell-code" id="cb32"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb32-1"><a href="#cb32-1" aria-hidden="true" tabindex="-1"></a>??_get_serpapi</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
<div class="cell-output cell-output-display">
<div class="ansi-escaped-output">
<pre><span class="ansi-red-fg">Signature:</span> _get_serpapi<span class="ansi-blue-fg">(</span><span class="ansi-blue-fg">**</span>kwargs<span class="ansi-blue-fg">:</span> Any<span class="ansi-blue-fg">)</span> <span class="ansi-blue-fg">-&gt;</span> langchain<span class="ansi-blue-fg">.</span>tools<span class="ansi-blue-fg">.</span>base<span class="ansi-blue-fg">.</span>BaseTool
<span class="ansi-red-fg">Docstring:</span> &lt;no docstring&gt;
<span class="ansi-red-fg">Source:</span>
<span class="ansi-green-fg">def</span> _get_serpapi<span class="ansi-blue-fg">(</span><span class="ansi-blue-fg">**</span>kwargs<span class="ansi-blue-fg">:</span> Any<span class="ansi-blue-fg">)</span> <span class="ansi-blue-fg">-&gt;</span> BaseTool<span class="ansi-blue-fg">:</span>
<span class="ansi-green-fg">return</span> Tool<span class="ansi-blue-fg">(</span>
name<span class="ansi-blue-fg">=</span><span class="ansi-blue-fg">"Search"</span><span class="ansi-blue-fg">,</span>
description<span class="ansi-blue-fg">=</span><span class="ansi-blue-fg">"A search engine. Useful for when you need to answer questions about current events. Input should be a search query."</span><span class="ansi-blue-fg">,</span>
func<span class="ansi-blue-fg">=</span>SerpAPIWrapper<span class="ansi-blue-fg">(</span><span class="ansi-blue-fg">**</span>kwargs<span class="ansi-blue-fg">)</span><span class="ansi-blue-fg">.</span>run<span class="ansi-blue-fg">,</span>
coroutine<span class="ansi-blue-fg">=</span>SerpAPIWrapper<span class="ansi-blue-fg">(</span><span class="ansi-blue-fg">**</span>kwargs<span class="ansi-blue-fg">)</span><span class="ansi-blue-fg">.</span>arun<span class="ansi-blue-fg">,</span>
<span class="ansi-blue-fg">)</span>
<span class="ansi-red-fg">File:</span> ~/AnimalEquality/lv-recipe-chatbot/env/lib/python3.10/site-packages/langchain/agents/load_tools.py
<span class="ansi-red-fg">Type:</span> function</pre>
</div>
</div>
</div>
<p>Let’s use that for inspiration for our recipe version of the tool</p>
<div class="cell">
<div class="sourceCode cell-code" id="cb33"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb33-1"><a href="#cb33-1" aria-hidden="true" tabindex="-1"></a>params <span class="op">=</span> {</span>
<span id="cb33-2"><a href="#cb33-2" aria-hidden="true" tabindex="-1"></a> <span class="st">"location"</span>: <span class="st">"United States"</span>,</span>
<span id="cb33-3"><a href="#cb33-3" aria-hidden="true" tabindex="-1"></a> <span class="st">"hl"</span>: <span class="st">"en"</span>,</span>
<span id="cb33-4"><a href="#cb33-4" aria-hidden="true" tabindex="-1"></a> <span class="st">"gl"</span>: <span class="st">"us"</span>,</span>
<span id="cb33-5"><a href="#cb33-5" aria-hidden="true" tabindex="-1"></a>}</span>
<span id="cb33-6"><a href="#cb33-6" aria-hidden="true" tabindex="-1"></a>search <span class="op">=</span> RecipeSerpAPIWrapper(params<span class="op">=</span>params)</span>
<span id="cb33-7"><a href="#cb33-7" aria-hidden="true" tabindex="-1"></a>serpapi_recipe_tool <span class="op">=</span> Tool(</span>
<span id="cb33-8"><a href="#cb33-8" aria-hidden="true" tabindex="-1"></a> name<span class="op">=</span><span class="st">"Vegan Recipe Search"</span>,</span>
<span id="cb33-9"><a href="#cb33-9" aria-hidden="true" tabindex="-1"></a> description<span class="op">=</span><span class="st">"A search engine. Useful for when you need to fetch existing vetted vegan recipes. Input should be a vegan recipe search query."</span>,</span>
<span id="cb33-10"><a href="#cb33-10" aria-hidden="true" tabindex="-1"></a> func<span class="op">=</span>search.run,</span>
<span id="cb33-11"><a href="#cb33-11" aria-hidden="true" tabindex="-1"></a>)</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
</div>
<div class="cell">
<div class="sourceCode cell-code" id="cb34"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb34-1"><a href="#cb34-1" aria-hidden="true" tabindex="-1"></a><span class="at">@tool</span></span>
<span id="cb34-2"><a href="#cb34-2" aria-hidden="true" tabindex="-1"></a><span class="kw">def</span> time(text: <span class="bu">str</span>) <span class="op">-&gt;</span> <span class="bu">str</span>:</span>
<span id="cb34-3"><a href="#cb34-3" aria-hidden="true" tabindex="-1"></a> <span class="co">"""Returns todays date, use this for any</span></span>
<span id="cb34-4"><a href="#cb34-4" aria-hidden="true" tabindex="-1"></a><span class="co"> questions related to knowing todays date.</span></span>
<span id="cb34-5"><a href="#cb34-5" aria-hidden="true" tabindex="-1"></a><span class="co"> The input should always be an empty string,</span></span>
<span id="cb34-6"><a href="#cb34-6" aria-hidden="true" tabindex="-1"></a><span class="co"> and this function will always return todays</span></span>
<span id="cb34-7"><a href="#cb34-7" aria-hidden="true" tabindex="-1"></a><span class="co"> date - any date mathmatics should occur</span></span>
<span id="cb34-8"><a href="#cb34-8" aria-hidden="true" tabindex="-1"></a><span class="co"> outside this function."""</span></span>
<span id="cb34-9"><a href="#cb34-9" aria-hidden="true" tabindex="-1"></a> <span class="cf">return</span> <span class="bu">str</span>(date.today())</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
</div>
<div class="cell">
<div class="sourceCode cell-code" id="cb35"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb35-1"><a href="#cb35-1" aria-hidden="true" tabindex="-1"></a>agent <span class="op">=</span> initialize_agent(</span>
<span id="cb35-2"><a href="#cb35-2" aria-hidden="true" tabindex="-1"></a> [time],</span>
<span id="cb35-3"><a href="#cb35-3" aria-hidden="true" tabindex="-1"></a> llm,</span>
<span id="cb35-4"><a href="#cb35-4" aria-hidden="true" tabindex="-1"></a> agent<span class="op">=</span>AgentType.CHAT_ZERO_SHOT_REACT_DESCRIPTION,</span>
<span id="cb35-5"><a href="#cb35-5" aria-hidden="true" tabindex="-1"></a> handle_parsing_errors<span class="op">=</span><span class="va">True</span>,</span>
<span id="cb35-6"><a href="#cb35-6" aria-hidden="true" tabindex="-1"></a> verbose<span class="op">=</span><span class="va">True</span>,</span>
<span id="cb35-7"><a href="#cb35-7" aria-hidden="true" tabindex="-1"></a>)</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
</div>
<div class="cell">
<div class="sourceCode cell-code" id="cb36"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb36-1"><a href="#cb36-1" aria-hidden="true" tabindex="-1"></a><span class="at">@tool</span></span>
<span id="cb36-2"><a href="#cb36-2" aria-hidden="true" tabindex="-1"></a><span class="kw">def</span> vegan_recipe_serpapi_search(text: <span class="bu">str</span>) <span class="op">-&gt;</span> <span class="bu">str</span>:</span>
<span id="cb36-3"><a href="#cb36-3" aria-hidden="true" tabindex="-1"></a> <span class="co">"""Returns a JSON/Python list of dictionaries of recipe data with keys in format:</span></span>
<span id="cb36-4"><a href="#cb36-4" aria-hidden="true" tabindex="-1"></a><span class="co"> ```</span></span>
<span id="cb36-5"><a href="#cb36-5" aria-hidden="true" tabindex="-1"></a><span class="co"> 'title': str,</span></span>
<span id="cb36-6"><a href="#cb36-6" aria-hidden="true" tabindex="-1"></a><span class="co"> 'link': str,</span></span>
<span id="cb36-7"><a href="#cb36-7" aria-hidden="true" tabindex="-1"></a><span class="co"> 'source': str,</span></span>
<span id="cb36-8"><a href="#cb36-8" aria-hidden="true" tabindex="-1"></a><span class="co"> 'rating': int,</span></span>
<span id="cb36-9"><a href="#cb36-9" aria-hidden="true" tabindex="-1"></a><span class="co"> 'reviews': int,</span></span>
<span id="cb36-10"><a href="#cb36-10" aria-hidden="true" tabindex="-1"></a><span class="co"> 'total_time': str,</span></span>
<span id="cb36-11"><a href="#cb36-11" aria-hidden="true" tabindex="-1"></a><span class="co"> 'ingredients': [</span></span>
<span id="cb36-12"><a href="#cb36-12" aria-hidden="true" tabindex="-1"></a><span class="co"> str,</span></span>
<span id="cb36-13"><a href="#cb36-13" aria-hidden="true" tabindex="-1"></a><span class="co"> str,</span></span>
<span id="cb36-14"><a href="#cb36-14" aria-hidden="true" tabindex="-1"></a><span class="co"> ```</span></span>
<span id="cb36-15"><a href="#cb36-15" aria-hidden="true" tabindex="-1"></a><span class="co"> The input must be the name of a vegan recipe </span><span class="ch">\</span></span>
<span id="cb36-16"><a href="#cb36-16" aria-hidden="true" tabindex="-1"></a><span class="co"> or query parameters such as ingredients to include, prep time, cuisine region. </span><span class="ch">\</span></span>
<span id="cb36-17"><a href="#cb36-17" aria-hidden="true" tabindex="-1"></a><span class="co"> Only execute the search for vegan recipes and ingredients. </span><span class="ch">\</span></span>
<span id="cb36-18"><a href="#cb36-18" aria-hidden="true" tabindex="-1"></a><span class="co"> If the SerpAPI request errors or recipes are not found, </span><span class="ch">\</span></span>
<span id="cb36-19"><a href="#cb36-19" aria-hidden="true" tabindex="-1"></a><span class="co"> an explanation message will be returned instead of the recipe JSON."""</span></span>
<span id="cb36-20"><a href="#cb36-20" aria-hidden="true" tabindex="-1"></a> params <span class="op">=</span> {</span>
<span id="cb36-21"><a href="#cb36-21" aria-hidden="true" tabindex="-1"></a> <span class="st">"q"</span>: text,</span>
<span id="cb36-22"><a href="#cb36-22" aria-hidden="true" tabindex="-1"></a> <span class="st">"location"</span>: <span class="st">"United States"</span>,</span>
<span id="cb36-23"><a href="#cb36-23" aria-hidden="true" tabindex="-1"></a> <span class="st">"hl"</span>: <span class="st">"en"</span>,</span>
<span id="cb36-24"><a href="#cb36-24" aria-hidden="true" tabindex="-1"></a> <span class="st">"gl"</span>: <span class="st">"us"</span>,</span>
<span id="cb36-25"><a href="#cb36-25" aria-hidden="true" tabindex="-1"></a> <span class="st">"api_key"</span>: os.environ[<span class="st">"SERPAPI_API_KEY"</span>],</span>
<span id="cb36-26"><a href="#cb36-26" aria-hidden="true" tabindex="-1"></a> }</span>
<span id="cb36-27"><a href="#cb36-27" aria-hidden="true" tabindex="-1"></a></span>
<span id="cb36-28"><a href="#cb36-28" aria-hidden="true" tabindex="-1"></a> search <span class="op">=</span> GoogleSearch(params)</span>
<span id="cb36-29"><a href="#cb36-29" aria-hidden="true" tabindex="-1"></a> results <span class="op">=</span> search.get_dict()</span>
<span id="cb36-30"><a href="#cb36-30" aria-hidden="true" tabindex="-1"></a> <span class="cf">if</span> <span class="st">"error"</span> <span class="kw">in</span> results.keys():</span>
<span id="cb36-31"><a href="#cb36-31" aria-hidden="true" tabindex="-1"></a> <span class="cf">return</span> <span class="ss">f"Received an error from SerpAPI: </span><span class="sc">{</span>results[<span class="st">'error'</span>]<span class="sc">}</span><span class="ch">\n</span><span class="ss"> Query: </span><span class="sc">{</span>text<span class="sc">}</span><span class="ss">"</span></span>
<span id="cb36-32"><a href="#cb36-32" aria-hidden="true" tabindex="-1"></a></span>
<span id="cb36-33"><a href="#cb36-33" aria-hidden="true" tabindex="-1"></a> <span class="cf">if</span> <span class="st">"recipes_results"</span> <span class="kw">in</span> results.keys():</span>
<span id="cb36-34"><a href="#cb36-34" aria-hidden="true" tabindex="-1"></a> <span class="cf">return</span> <span class="bu">str</span>(results[<span class="st">"recipes_results"</span>])</span>
<span id="cb36-35"><a href="#cb36-35" aria-hidden="true" tabindex="-1"></a></span>
<span id="cb36-36"><a href="#cb36-36" aria-hidden="true" tabindex="-1"></a> <span class="cf">return</span> <span class="st">"No recipes found for that query"</span></span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
</div>
<p>Create an agent with the tool</p>
<div class="cell">
<div class="sourceCode cell-code" id="cb37"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb37-1"><a href="#cb37-1" aria-hidden="true" tabindex="-1"></a>agent <span class="op">=</span> initialize_agent(</span>
<span id="cb37-2"><a href="#cb37-2" aria-hidden="true" tabindex="-1"></a> tools<span class="op">=</span>[vegan_recipe_serpapi_search],</span>
<span id="cb37-3"><a href="#cb37-3" aria-hidden="true" tabindex="-1"></a> llm<span class="op">=</span>llm,</span>
<span id="cb37-4"><a href="#cb37-4" aria-hidden="true" tabindex="-1"></a> agent<span class="op">=</span>AgentType.CHAT_ZERO_SHOT_REACT_DESCRIPTION,</span>
<span id="cb37-5"><a href="#cb37-5" aria-hidden="true" tabindex="-1"></a> handle_parsing_errors<span class="op">=</span><span class="va">True</span>,</span>
<span id="cb37-6"><a href="#cb37-6" aria-hidden="true" tabindex="-1"></a> verbose<span class="op">=</span><span class="va">True</span>,</span>
<span id="cb37-7"><a href="#cb37-7" aria-hidden="true" tabindex="-1"></a>)</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
</div>
<div class="cell">
<div class="sourceCode cell-code" id="cb38"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb38-1"><a href="#cb38-1" aria-hidden="true" tabindex="-1"></a>agent.run(<span class="st">"Search vegan pad thai recipes"</span>)</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
<div class="cell-output cell-output-stdout">
<pre><code>
&gt; Entering new AgentExecutor chain...
Thought: I can use the `vegan_recipe_serpapi_search` tool to search for vegan pad thai recipes.
Action:
```
{
"action": "vegan_recipe_serpapi_search",
"action_input": "vegan pad thai"
}
```
Observation: [{'title': 'Vegan Pad Thai', 'link': 'https://www.noracooks.com/vegan-pad-thai/', 'source': 'Nora Cooks', 'rating': 5.0, 'reviews': 53, 'total_time': '30 min', 'ingredients': ['Stir fry rice', 'mung bean sprouts', 'soy sauce', 'maple syrup', 'sriracha hot sauce']}, {'title': 'Easy Tofu Pad Thai', 'link': 'https://minimalistbaker.com/easy-tofu-pad-thai/', 'source': 'Minimalist Baker', 'rating': 4.9, 'reviews': 117, 'total_time': '30 min', 'ingredients': ['Pad thai rice', 'peanut sauce', 'thai red', 'soy sauce', 'bean sprouts']}, {'title': 'Vegan Pad Thai', 'link': 'https://www.pickuplimes.com/recipe/speedy-vegan-pad-thai-116', 'source': 'Pick Up Limes', 'rating': 5.0, 'reviews': 34, 'total_time': '30 min', 'ingredients': ['Brown rice noodles', 'red hot', 'soy sauce', 'bean sprouts', 'sriracha hot sauce']}]
Thought:Could not parse LLM output: The `vegan_recipe_serpapi_search` tool returned a list of three vegan pad thai recipes with their titles, links, sources, ratings, reviews, total time, and ingredients.
Observation: Invalid or incomplete response
Thought:I will try running the `vegan_recipe_serpapi_search` tool again with the input "vegan pad thai".
Action:
```
{
"action": "vegan_recipe_serpapi_search",
"action_input": "vegan pad thai"
}
```
Observation: [{'title': 'Vegan Pad Thai', 'link': 'https://www.noracooks.com/vegan-pad-thai/', 'source': 'Nora Cooks', 'rating': 5.0, 'reviews': 53, 'total_time': '30 min', 'ingredients': ['Stir fry rice', 'mung bean sprouts', 'soy sauce', 'maple syrup', 'sriracha hot sauce']}, {'title': 'Easy Tofu Pad Thai', 'link': 'https://minimalistbaker.com/easy-tofu-pad-thai/', 'source': 'Minimalist Baker', 'rating': 4.9, 'reviews': 117, 'total_time': '30 min', 'ingredients': ['Pad thai rice', 'peanut sauce', 'thai red', 'soy sauce', 'bean sprouts']}, {'title': 'Vegan Pad Thai', 'link': 'https://www.pickuplimes.com/recipe/speedy-vegan-pad-thai-116', 'source': 'Pick Up Limes', 'rating': 5.0, 'reviews': 34, 'total_time': '30 min', 'ingredients': ['Brown rice noodles', 'red hot', 'soy sauce', 'bean sprouts', 'sriracha hot sauce']}]
Thought:Could not parse LLM output: The `vegan_recipe_serpapi_search` tool returned a list of three vegan pad thai recipes with their titles, links, sources, ratings, reviews, total time, and ingredients.
Observation: Invalid or incomplete response
Thought:I will try running the `vegan_recipe_serpapi_search` tool again with the input "vegan pad thai recipes".
Action:
```
{
"action": "vegan_recipe_serpapi_search",
"action_input": "vegan pad thai recipes"
}
```
Observation: [{'title': 'Easy Tofu Pad Thai', 'link': 'https://minimalistbaker.com/easy-tofu-pad-thai/', 'source': 'Minimalist Baker', 'rating': 4.9, 'reviews': 117, 'total_time': '30 min', 'ingredients': ['Pad thai rice', 'peanut sauce', 'thai red', 'soy sauce', 'bean sprouts']}, {'title': 'Vegan Pad Thai', 'link': 'https://www.noracooks.com/vegan-pad-thai/', 'source': 'Nora Cooks', 'rating': 5.0, 'reviews': 53, 'total_time': '30 min', 'ingredients': ['Stir fry rice', 'mung bean sprouts', 'soy sauce', 'maple syrup', 'sriracha hot sauce']}, {'title': 'Vegan Pad Thai', 'link': 'https://www.pickuplimes.com/recipe/speedy-vegan-pad-thai-116', 'source': 'Pick Up Limes', 'rating': 5.0, 'reviews': 34, 'total_time': '30 min', 'ingredients': ['Brown rice noodles', 'red hot', 'soy sauce', 'bean sprouts', 'sriracha hot sauce']}]
Thought:Could not parse LLM output: I have successfully used the `vegan_recipe_serpapi_search` tool to search for vegan pad thai recipes. The tool returned a list of three vegan pad thai recipes with their titles, links, sources, ratings, reviews, total time, and ingredients.
Observation: Invalid or incomplete response
Thought:I will try running the `vegan_recipe_serpapi_search` tool again with the input "vegan pad thai recipe".
Action:
```
{
"action": "vegan_recipe_serpapi_search",
"action_input": "vegan pad thai recipe"
}
```
Observation: [{'title': 'Easy Tofu Pad Thai', 'link': 'https://minimalistbaker.com/easy-tofu-pad-thai/', 'source': 'Minimalist Baker', 'rating': 4.9, 'reviews': 117, 'total_time': '30 min', 'ingredients': ['Pad thai rice', 'peanut sauce', 'thai red', 'soy sauce', 'bean sprouts']}, {'title': 'Vegan Pad Thai', 'link': 'https://www.noracooks.com/vegan-pad-thai/', 'source': 'Nora Cooks', 'rating': 5.0, 'reviews': 53, 'total_time': '30 min', 'ingredients': ['Stir fry rice', 'mung bean sprouts', 'soy sauce', 'maple syrup', 'sriracha hot sauce']}, {'title': 'Vegan Pad Thai', 'link': 'https://www.pickuplimes.com/recipe/speedy-vegan-pad-thai-116', 'source': 'Pick Up Limes', 'rating': 5.0, 'reviews': 34, 'total_time': '30 min', 'ingredients': ['Brown rice noodles', 'red hot', 'soy sauce', 'bean sprouts', 'sriracha hot sauce']}]
Thought:Could not parse LLM output: I have successfully used the `vegan_recipe_serpapi_search` tool to search for vegan pad thai recipes. The tool returned a list of three vegan pad thai recipes with their titles, links, sources, ratings, reviews, total time, and ingredients.
Final Answer: Here are three vegan pad thai recipes:
1. Easy Tofu Pad Thai from Minimalist Baker
2. Vegan Pad Thai from Nora Cooks
3. Vegan Pad Thai from Pick Up Limes.
&gt; Finished chain.</code></pre>
</div>
<div class="cell-output cell-output-display">
<pre><code>'Here are three vegan pad thai recipes: \n1. Easy Tofu Pad Thai from Minimalist Baker\n2. Vegan Pad Thai from Nora Cooks\n3. Vegan Pad Thai from Pick Up Limes.'</code></pre>
</div>
</div>
<p>This doc should be corrected <a href="https://python.langchain.com/en/latest/modules/agents/tools/examples/serpapi.html">LangChain serpapi doc could be updated</a></p>
<div class="cell">
<div class="sourceCode cell-code" id="cb41"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb41-1"><a href="#cb41-1" aria-hidden="true" tabindex="-1"></a>search <span class="op">=</span> GoogleSerperAPIWrapper(<span class="bu">type</span><span class="op">=</span><span class="st">"search"</span>)</span>
<span id="cb41-2"><a href="#cb41-2" aria-hidden="true" tabindex="-1"></a>results <span class="op">=</span> search.results(<span class="st">"Lion"</span>)</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
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<p><a href="https://www.edamam.com/">edamam</a></p>
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