{"id":33236,"date":"2025-03-26T13:26:49","date_gmt":"2025-03-26T13:26:49","guid":{"rendered":"https:\/\/www.adored.us\/2020\/?p=33236"},"modified":"2025-03-31T19:04:37","modified_gmt":"2025-03-31T19:04:37","slug":"a-transformer-chatbot-tutorial-with-tensorflow-2-0","status":"publish","type":"post","link":"https:\/\/www.adored.us\/2020\/2025\/03\/26\/a-transformer-chatbot-tutorial-with-tensorflow-2-0\/","title":{"rendered":"A Transformer Chatbot Tutorial with TensorFlow 2 0 The TensorFlow Blog"},"content":{"rendered":"

Craft Your Own Python AI ChatBot: A Comprehensive Guide to Harnessing NLP<\/h1>\n<\/p>\n

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Use the ChatterBotCorpusTrainer to train your chatbot using an English language corpus. Python, with its extensive array of libraries like Natural Language Toolkit (NLTK), SpaCy, and TextBlob, makes NLP tasks much more manageable. These libraries contain packages to perform tasks from basic text processing to more complex language understanding tasks. Understanding the types of chatbots and their uses helps you determine the best fit for your needs. The choice ultimately depends on your chatbot\u2019s purpose, the complexity of tasks it needs to perform, and the resources at your disposal. You can use hybrid chatbots to reduce abandoned carts on your website.<\/p>\n<\/p>\n

It\u2019s also essential to plan for future growth and anticipate the storage requirements of your chatbot\u2019s conversations and training data. By leveraging cloud storage, you can easily scale your chatbot\u2019s data storage and ensure reliable access to the information it needs. AI-based chatbots learn from their interactions using artificial intelligence. This means that they improve over time, becoming able to understand a wider variety of queries, and provide more relevant responses.<\/p>\n<\/p>\n

Instead, we’ll focus on using Huggingface’s accelerated inference API to connect to pre-trained models. Next, in Postman, when you send a POST request to create a new token, you will get a structured response like the one below. You can also check Redis Insight to see your chat data stored with the token as a JSON key and the data as a value. To send messages between the client and server in real-time, we need to open a socket connection.<\/p>\n<\/p>\n

Protecting User Privacy: Essential Strategies in NLP Applications<\/h2>\n<\/p>\n

As the topic suggests we are here to help you have a conversation with your AI today. To have a conversation with your AI, you need a few pre-trained tools which can help you build an AI chatbot system. In this article, we will guide you to combine speech recognition processes with an artificial intelligence algorithm. The chatbot will use the OpenWeather API to tell the user what the current weather is in any city of the world, but you can implement your chatbot to handle a use case with another API. In this section, I\u2019ll walk you through a simple step-by-step guide to creating your first Python AI chatbot. I’ll use the ChatterBot library in Python, which makes building AI-based chatbots a breeze.<\/p>\n<\/p>\n

After all of the functions that we have added to our chatbot, it can now use speech recognition techniques to respond to speech cues and reply with predetermined responses. However, our chatbot is still not very intelligent in terms of responding to anything that is not predetermined or preset. Scripted ai chatbots are chatbots that operate based on pre-determined scripts stored in their library.<\/p>\n<\/p>\n

Tokenization – Tokens are individual words and \u201ctokenization\u201d is taking a text or set of text and breaking it up into its individual words or sentences. Bag of Words – This is an NLP technique of text modeling for representing text data for machine learning algorithms. It is a way of extracting features from the text for use in machine learning algorithms.<\/p>\n<\/p>\n

While we can use asynchronous techniques and worker pools in a more production-focused server set-up, that also won’t be enough as the number of simultaneous users grow. Ideally, we could have this worker running on a completely different server, in its own environment, but for now, we will create its own Python environment on our local machine. During the trip between the producer and the consumer, the client can send multiple messages, and these messages will be queued up and responded to in order. We will be using a free Redis Enterprise Cloud instance for this tutorial.<\/p>\n<\/p>\n

To simulate a real-world process that you might go through to create an industry-relevant chatbot, you\u2019ll learn how to customize the chatbot\u2019s responses. You\u2019ll do this by preparing WhatsApp chat data to train the chatbot. You can apply a similar process to train your bot from different conversational data in any domain-specific topic. OpenAI ChatGPT has developed a large model called GPT(Generative Pre-trained Transformer) to generate text, translate language, and write different types of creative content. In this article, we are using a framework called Gradio that makes it simple to develop web-based user interfaces for machine learning models.<\/p>\n<\/p>\n

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Once these steps are complete your setup will be ready, and we can start to create the Python chatbot. Now that we\u2019re armed with some background knowledge, it\u2019s time to build our own chatbot. Moreover, the more interactions the chatbot engages in over time, the more historic data it has to work from, and the more accurate its responses will be. A chatbot built using ChatterBot works by saving the inputs and responses it deals with, using this data to generate relevant automated responses when it receives a new input. By comparing the new input to historic data, the chatbot can select a response that is linked to the closest possible known input. This is an extra function that I\u2019ve added after testing the chatbot with my crazy questions.<\/p>\n<\/p>\n

When you run python main.py in the terminal within the worker directory, you should get something like this printed in the terminal, with the message added to the message array. It will store the token, name of the user, and an automatically generated timestamp for the chat session start time using datetime.now(). Recall that we are sending text data over WebSockets, but our chat data needs to hold more information than just the text. We need to timestamp when the chat was sent, create an ID for each message, and collect data about the chat session, then store this data in a JSON format.<\/p>\n<\/p>\n

This is done to make sure that the chatbot doesn\u2019t respond to everything that the humans are saying within its \u2018hearing\u2019 range. In simpler words, you wouldn\u2019t want your chatbot to always listen in and partake in every single conversation. Hence, we create a function that allows the chatbot to recognize its name and respond to any speech that follows after its name is called. For computers, understanding numbers is easier than understanding words and speech. When the first few speech recognition systems were being created, IBM Shoebox was the first to get decent success with understanding and responding to a select few English words. Today, we have a number of successful examples which understand myriad languages and respond in the correct dialect and language as the human interacting with it.<\/p>\n<\/p>\n

Building a Chatbot with OpenAI and Adding a GUI with Tkinter in Python<\/h2>\n<\/p>\n

In the next section, you\u2019ll create a script to query the OpenWeather API for the current weather in a city. I\u2019m on a Mac, so I used Terminal as the starting point for this process. Continuing with the scenario of an ecommerce owner, a self-learning chatbot would come in handy to recommend products based on customers\u2019 past purchases or preferences. By using chatbots to collect vital information, you can quickly qualify your leads to identify ideal prospects who have a higher chance of converting into customers. Its versatility and an array of robust libraries make it the go-to language for chatbot creation. Eventually, you\u2019ll use cleaner as a module and import the functionality directly into bot.py.<\/p>\n<\/p>\n

NLP chatbots can be designed to perform a variety of tasks and are becoming popular in industries such as healthcare and finance. Chatbots have revolutionized the way businesses interact with customers and users. In this blog post, we will embark on an exciting journey to create our very own chatbot using the OpenAI library in Python.<\/p>\n<\/p>\n

The code is simple and prints a message whenever the function is invoked. We will use Redis JSON to store the chat data and also use Redis Streams for handling the real-time communication with the huggingface inference API. As we continue on this journey there may be areas where improvements can be made such as adding new features or exploring alternative methods of implementation. Keeping track of these features will allow us to stay ahead of the game when it comes to creating better applications for our users. Once you\u2019ve written out the code for your bot, it\u2019s time to start debugging and testing it. Interpreting and responding to human speech presents numerous challenges, as discussed in this article.<\/p>\n<\/p>\n

Dataset<\/h2>\n<\/p>\n

Finally, to aid in training convergence, we will<\/p>\n

filter out sentences with length greater than the MAX_LENGTH<\/p>\n

threshold (filterPairs). Note that we are dealing with sequences of words, which do not have<\/p>\n

an implicit mapping to a discrete numerical space. Thus, we must create<\/p>\n

one by mapping each unique word that we encounter in our dataset to an<\/p>\n

index value. Our next order of business is to create a vocabulary and load<\/p>\n

query\/response sentence pairs into memory.<\/p>\n<\/p>\n

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I am a final year undergraduate who loves to learn and write about technology. The above function will call the following functions which clean up sentences and return a bag of words based on the user input. Punkt is a pre-trained tokenizer model for the English language that divides the text into a list of sentences. I’m a newbie python user and I’ve tried your code, added some modifications and it kind of worked and not worked at the same time. The code runs perfectly with the installation of the pyaudio package but it doesn’t recognize my voice, it stays stuck in listening…<\/p>\n<\/p>\n

In addition to all this, you\u2019ll also need to think about the user interface, design and usability of your application, and much more. To learn more about data science using Python, please refer to the following guides. In this article, we will create an AI chatbot using Natural Language Processing (NLP) in Python.<\/p>\n<\/p>\n

Next, we want to create a consumer and update our worker.main.py to connect to the message queue. We want it to pull the token data in real-time, as we are currently hard-coding the tokens and message inputs. Next, we need to update the main function to add new messages to the cache, read the previous 4 messages from the cache, and then make an API call to the model using the query method.<\/p>\n<\/p>\n

They are programmed to respond to specific keywords or phrases with predetermined answers. Rule-based chatbots are best suited for simple query-response conversations, where the conversation flow follows a predefined path. They are commonly used in customer support, providing quick answers to frequently asked questions and handling basic inquiries. It provides an easy-to-use API for common NLP tasks such as sentiment analysis, noun phrase extraction, and language translation.<\/p>\n<\/p>\n

Empower your applications with AI-driven conversations and user-friendly interfaces. While the connection is open, we receive any messages sent by the client with websocket.receive_test() and print them to the terminal for now. WebSockets are a very broad topic and we only scraped the surface here.<\/p>\n<\/p>\n

It\u2019s rare that input data comes exactly in the form that you need it, so you\u2019ll clean the chat export data to get it into a useful input format. You can foun additiona information about ai customer service<\/a> and artificial intelligence and NLP. This process will show you some tools you can use for data cleaning, which may help you prepare other input data to feed to your chatbot. Fine-tuning builds upon a model\u2019s training by feeding it additional words and data in order to steer the responses it produces. Chat LMSys is known for its chatbot arena leaderboard, but it can also be used as a chatbot and AI playground.<\/p>\n<\/p>\n

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We create a Redis object and initialize the required parameters from the environment variables. Then we create an asynchronous method create_connection to create a Redis connection and return the connection pool obtained from the aioredis method from_url. Also, create a folder named redis and add a new file named config.py. We’ll also use the requests library to send requests to the Huggingface inference API. Next open up a new terminal, cd into the worker folder, and create and activate a new Python virtual environment similar to what we did in part 1. Imagine a scenario where the web server also creates the request to the third-party service.<\/p>\n<\/p>\n

Developing Your Own Chatbot From Scratch<\/h2>\n<\/p>\n

The only data we need to provide when initializing this Message class is the message text. This tutorial assumes you are already familiar with Python\u2014if you would like to improve your knowledge of Python, check out our How To Code in Python 3 series. This tutorial does not require foreknowledge of natural language processing. In my experience, building chatbots is as much an art as it is a science.<\/p>\n<\/p>\n

We\u2019ll be using the ChatterBot library to create our Python chatbot, so  ensure you have access to a version of Python that works with your chosen version of ChatterBot. A chatbot is a piece of AI-driven software Chat GPT<\/a> designed to communicate with humans. Chatbots can be either auditory or textual, meaning they can communicate via speech or text. Chatbots can help you perform many tasks and increase your productivity.<\/p>\n<\/p>\n

To train your chatbot to respond to industry-relevant questions, you\u2019ll probably need to work with custom data, for example from existing support requests or chat logs from your company. You can run more than one training session, so in lines 13 to 16, you add another statement and another reply to your chatbot\u2019s database. Chatbots can do more than just answer questions\u2014they can also be integrated into your digital marketing automation efforts. For instance, you can use your chatbot to promote special offers, collect email addresses for your newsletter, or even direct users to specific landing pages. By regularly reviewing the chatbot\u2019s analytics and making data-driven adjustments, you\u2019ve turned a weak point into a strong customer service feature, ultimately increasing your bakery\u2019s sales.<\/p>\n<\/p>\n

This not only elevates the user experience but also gives businesses a tool to scale their customer service without exponentially increasing their costs. In the Chatbot responses step, we saw that the chatbot has answers to specific questions. And since we are using dictionaries, if the question is not exactly the same, the chatbot will not return the response for the question we tried to ask.<\/p>\n<\/p>\n

To be able to distinguish between two different client sessions and limit the chat sessions, we will use a timed token, passed as a query parameter to the WebSocket connection. In the src root, create a new folder named socket and add a file named connection.py. In this file, we will define the class that controls the connections to our WebSockets, and all the helper methods to connect and disconnect.<\/p>\n<\/p>\n

When<\/p>\n

called, an input text field will spawn in which we can enter our query<\/p>\n

sentence. We<\/p>\n

loop this process, so we can keep chatting with our bot until we enter<\/p>\n

either \u201cq\u201d or \u201cquit\u201d. With ongoing advancements in NLP and AI, chatbots built with Python are set to become even more sophisticated, enabling seamless interactions and delivering personalized solutions. As the field continues to evolve, developers can expect new opportunities and challenges, pushing the boundaries of what chatbots can achieve.<\/p>\n<\/p>\n

I will appreciate your little guidance with how to know the tools and work with them easily. GitHub Copilot is an AI tool that helps developers write Python code faster by providing suggestions and autocompletions based on context. Now, when we send a GET request to the \/refresh_token endpoint with any token, the endpoint will fetch the data from the Redis database. As long as the socket connection is still open, the client should be able to receive the response. Once we get a response, we then add the response to the cache using the add_message_to_cache method, then delete the message from the queue. The jsonarrappend method provided by rejson appends the new message to the message array.<\/p>\n<\/p>\n

Now that you\u2019ve got an idea about which areas of conversation your chatbot needs improving in, you can train it further using an existing corpus of data. Create a new ChatterBot instance, and then you can begin training the chatbot. Classes are code templates used for creating objects, and we\u2019re going to use them to build our chatbot. It\u2019s recommended that you use a new Python virtual environment in order to do this.<\/p>\n<\/p>\n

Now that we have set up the environment and obtained the OpenAI API key, it\u2019s time to build the chatbot. Our chatbot will use the OpenAI GPT-3.5 model, a powerful language model that can generate human-like responses based on input. ChatterBot is a Python library designed to respond to user inputs with automated responses.<\/p>\n<\/p>\n