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June 2, 202639 views5 min read

Learn to build a basic AI compliance checker that can detect and flag potentially problematic messages before they're sent to users, similar to ZeroDrift's service.

Introduction

In this tutorial, you'll learn how to build a basic AI compliance checker that can detect and flag potentially problematic messages before they're sent to users. This is similar to what ZeroDrift is doing with their AI compliance service. You'll create a simple system that scans text for compliance issues and suggests replacements.

What You'll Build

You'll create a Python application that acts as a compliance filter for AI-generated content. The system will scan text messages and flag any content that might be problematic, suggesting safer alternatives.

Prerequisites

To follow this tutorial, you'll need:

  • Python 3.7 or higher installed on your computer
  • A text editor (like VS Code, PyCharm, or even Notepad)
  • Basic understanding of Python programming concepts
  • Internet connection to download required packages

Why These Prerequisites?

We need Python because it's the most accessible language for building AI applications. Having a text editor helps us write and modify code. Basic Python knowledge ensures you can understand the code structure we'll be building.

Step-by-Step Instructions

Step 1: Set Up Your Python Environment

First, create a new folder for your project and open it in your terminal or command prompt.

mkdir ai_compliance_checker
 cd ai_compliance_checker

Then, create a new Python file called compliance_checker.py.

Step 2: Install Required Packages

We'll use the nltk library for natural language processing and textblob for sentiment analysis. Install them using pip:

pip install nltk textblob

Why install these packages?

nltk provides tools for text processing, while textblob helps us understand the sentiment and structure of text, which are important for compliance checking.

Step 3: Download Required NLTK Data

After installing NLTK, we need to download some additional data. Open Python in your terminal and run:

python -c "import nltk; nltk.download('punkt'); nltk.download('vader_lexicon')"

This downloads the necessary tokenization and sentiment analysis data that we'll use in our compliance checker.

Step 4: Create the Basic Compliance Checker Class

Open your compliance_checker.py file and start by importing the required libraries:

import nltk
from textblob import TextBlob
from nltk.sentiment import SentimentIntensityAnalyzer


class ComplianceChecker:
    def __init__(self):
        # Initialize the sentiment analyzer
        self.sia = SentimentIntensityAnalyzer()
        
        # Define problematic patterns
        self.problematic_patterns = [
            'violence', 'hate', 'discrimination', 'illegal', 'spam', 'scam'
        ]
        
        # Define safe replacements
        self.replacements = {
            'violence': 'harm reduction',
            'hate': 'respect',
            'discrimination': 'equality',
            'illegal': 'unauthorized',
            'spam': 'unsolicited',
            'scam': 'fraudulent'
        }

    def check_compliance(self, text):
        # Check for problematic patterns
        issues = []
        
        # Check sentiment
        sentiment = self.sia.polarity_scores(text)
        if sentiment['compound'] < -0.5:
            issues.append('negative sentiment detected')
            
        # Check for specific problematic words
        for pattern in self.problematic_patterns:
            if pattern in text.lower():
                issues.append(f'contains {pattern}')
                
        return issues

    def suggest_replacements(self, text):
        # Suggest safer alternatives
        suggestions = []
        
        for pattern, replacement in self.replacements.items():
            if pattern in text.lower():
                suggestions.append(f'Replace "{pattern}" with "{replacement}"')
                
        return suggestions

    def process_message(self, text):
        # Main method to process a message
        issues = self.check_compliance(text)
        suggestions = self.suggest_replacements(text)
        
        return {
            'original_text': text,
            'issues': issues,
            'suggestions': suggestions,
            'compliant': len(issues) == 0
        }

Why this structure?

We're creating a class-based approach so we can easily reuse our compliance checker. The class has methods to check for issues, suggest replacements, and process entire messages.

Step 5: Test Your Compliance Checker

Add this test code at the bottom of your compliance_checker.py file:

if __name__ == '__main__':
    # Create an instance of our compliance checker
    checker = ComplianceChecker()
    
    # Test messages
    test_messages = [
        'This is a great product!',
        'I hate this item and think it is illegal',
        'This is a scam and should be reported',
        'Violence should be reduced in our society'
    ]
    
    # Process each message
    for message in test_messages:
        result = checker.process_message(message)
        print(f'\nOriginal: {result["original_text"]}')
        print(f'Compliant: {result["compliant"]}')
        
        if result['issues']:
            print('Issues found:')
            for issue in result['issues']:
                print(f'  - {issue}')
            
        if result['suggestions']:
            print('Suggestions:')
            for suggestion in result['suggestions']:
                print(f'  - {suggestion}')
        
        print('-' * 50)

Step 6: Run Your Compliance Checker

Save your file and run it from the terminal:

python compliance_checker.py

You should see output showing how your system identifies issues in different messages and suggests replacements.

Step 7: Enhance Your Compliance Checker

Let's make our system more robust by adding a few more features:

class EnhancedComplianceChecker(ComplianceChecker):
    def __init__(self):
        super().__init__()
        # Add more sophisticated checks
        self.sensitive_topics = [
            'politics', 'religion', 'medical', 'financial', 'legal'
        ]
        
    def check_sensitive_topics(self, text):
        issues = []
        for topic in self.sensitive_topics:
            if topic in text.lower():
                issues.append(f'contains sensitive topic: {topic}')
        return issues
        
    def process_message(self, text):
        # Enhanced processing with more checks
        issues = self.check_compliance(text)
        issues.extend(self.check_sensitive_topics(text))
        
        suggestions = self.suggest_replacements(text)
        
        return {
            'original_text': text,
            'issues': issues,
            'suggestions': suggestions,
            'compliant': len(issues) == 0
        }

Why enhance it?

Real-world compliance systems need to check for more than just basic problematic words. They need to identify sensitive topics and other nuanced issues that might not be obvious at first glance.

Step 8: Create a Simple User Interface

Let's make it easy to test our system by creating a simple interface:

def main_interface():
    checker = EnhancedComplianceChecker()
    
    print('AI Compliance Checker')
    print('Enter "quit" to exit\n')
    
    while True:
        user_input = input('Enter message to check: ')
        
        if user_input.lower() == 'quit':
            break
            
        result = checker.process_message(user_input)
        
        print(f'\nOriginal: {result["original_text"]}')
        print(f'Compliant: {result["compliant"]}')
        
        if result['issues']:
            print('Issues found:')
            for issue in result['issues']:
                print(f'  - {issue}')
        
        if result['suggestions']:
            print('Suggestions:')
            for suggestion in result['suggestions']:
                print(f'  - {suggestion}')
        
        print('-' * 50)

# Uncomment the line below to run the interface
# main_interface()

Summary

In this tutorial, you've built a basic AI compliance checker that can detect potentially problematic content and suggest safer alternatives. You've learned how to:

  • Set up a Python environment for AI development
  • Use natural language processing libraries to analyze text
  • Create a class-based system for compliance checking
  • Identify different types of compliance issues
  • Provide suggestions for improving content

This system is similar to what ZeroDrift is building - a service that sits between AI models and end users to ensure content compliance. While this is a simplified version, it demonstrates the core concepts behind AI compliance services.

As you continue developing, you can expand this system by adding more sophisticated checks, integrating with actual AI models, and connecting it to real user interfaces.

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