Help and Documentation

def HelpText(component, trace=None, verbose=False):
    """
    Generate help text for a component.
    
    Analyzes the component to extract documentation, signatures, and usage
    information, formatting it for display to users.
    
    Parameters:
    - component: Component to generate help for (function, class, module, etc.)
    - trace: Optional FireTrace object showing execution path
    - verbose: Whether to include private/hidden members and detailed info
    
    Returns:
    String containing formatted help text
    """

def UsageText(component, trace=None, verbose=False):
    """
    Generate usage text for a component.
    
    Creates a concise summary of how to use the component from the command line,
    including argument names, types, and optional parameters.
    
    Parameters:
    - component: Component to generate usage for
    - trace: Optional FireTrace object showing execution path  
    - verbose: Whether to include additional usage details
    
    Returns:
    String containing formatted usage text
    """

class DocstringInfo:
    """
    Information extracted from docstrings (namedtuple).
    
    Attributes:
    - summary: Brief description (first line)
    - description: Detailed description  
    - args: List of ArgInfo objects for parameters
    - returns: Return value description
    - yields: Generator yield value description
    - raises: Exception information
    """

class ArgInfo:
    """
    Argument information from docstrings (namedtuple).
    
    Attributes:
    - name: Parameter name
    - type: Parameter type annotation or inferred type
    - description: Parameter description
    """

class KwargInfo(ArgInfo):
    """
    Keyword argument information, extends ArgInfo (namedtuple).
    
    Same attributes as ArgInfo but specifically for keyword arguments.
    """

import fire
from fire import helptext

def process_file(filename, output_dir="./output", verbose=False):
    """
    Process a file and save results.
    
    Args:
        filename: Path to input file to process
        output_dir: Directory to save processed results  
        verbose: Enable verbose logging output
        
    Returns:
        Path to the processed output file
    """
    # Implementation here
    pass

# Generate help text
help_text = helptext.HelpText(process_file)
print(help_text)

# Generate usage text  
usage_text = helptext.UsageText(process_file)
print(usage_text)

import fire
from fire import helptext

class DataAnalyzer:
    """Analyze datasets with various statistical methods."""
    
    def __init__(self, data_path):
        """Initialize analyzer with data file path."""
        self.data_path = data_path
    
    def summary(self, include_plots=False):
        """
        Generate summary statistics.
        
        Args:
            include_plots: Whether to generate visualization plots
            
        Returns:
            Dictionary containing summary statistics
        """
        pass
    
    def correlations(self, method='pearson'):
        """
        Calculate correlations between variables.
        
        Args:
            method: Correlation method ('pearson', 'spearman', 'kendall')
            
        Returns:
            Correlation matrix as pandas DataFrame
        """
        pass

# Generate help for the class
help_text = helptext.HelpText(DataAnalyzer)
print(help_text)

import fire

class Calculator:
    """A simple calculator with basic arithmetic operations."""
    
    def add(self, x, y):
        """Add two numbers together."""
        return x + y
    
    def multiply(self, x, y):
        """Multiply two numbers.""" 
        return x * y

if __name__ == '__main__':
    fire.Fire(Calculator)
    # Command line: python calc.py -- --help
    # Shows help for the Calculator class
    
    # Command line: python calc.py add -- --help  
    # Shows help for the add method

# Get help for main component
python my_cli.py -- --help

# Get help for specific subcommand  
python my_cli.py subcommand -- --help

# Verbose help with private members
python my_cli.py -- --help --verbose

# Usage information only
python my_cli.py -- --usage