def find_path_case_insensitive()

in tools/url-checker/url_checker.py [0:0]

• 38 lines of code
• 9 McCabe index (conditional complexity)

def find_path_case_insensitive(base_path, rel_path):
    """
    Find a path with case-insensitive matching, handling multi-level paths.
    
    Args:
        base_path: Starting directory for the search
        rel_path: Relative path to find (can include multiple directories)
        
    Returns:
        Full corrected path if found, None otherwise
    """
    # Handle empty path
    if not rel_path:
        return base_path
    
    # Split the path into components, handling both forward and back slashes
    path_parts = re.split(r'[/\\]', rel_path)
    path_parts = [part for part in path_parts if part]  # Remove empty parts
    
    current_path = base_path
    print(f"Starting case-insensitive path search from: {current_path}")
    print(f"Looking for path components: {path_parts}")
    
    # Process each path component
    for i, part in enumerate(path_parts):
        # Skip if the component is '.' (current directory)
        if part == '.':
            continue
        
        # Handle '..' (parent directory) - just use it directly as it doesn't need case correction
        if part == '..':
            current_path = os.path.dirname(current_path)
            print(f"Going up to parent directory: {current_path}")
            continue
        
        # Try to find a case-insensitive match for this component
        found = False
        try:
            if os.path.exists(os.path.join(current_path, part)):
                # Exact match exists, use it directly
                current_path = os.path.join(current_path, part)
                found = True
                print(f"Exact match found for '{part}': {current_path}")
            else:
                # Try case-insensitive match
                for entry in os.listdir(current_path):
                    if entry.lower() == part.lower():
                        current_path = os.path.join(current_path, entry)
                        found = True
                        print(f"Case-insensitive match found for '{part}': {entry} at {current_path}")
                        break
        except (PermissionError, FileNotFoundError, NotADirectoryError) as e:
            print(f"Error accessing {current_path}: {str(e)}")
            return None
        
        if not found:
            print(f"No match found for component '{part}' in {current_path}")
            return None
    
    # Add trailing slash if the original path had one
    if rel_path.endswith('/') and not current_path.endswith(os.sep):
        current_path += os.sep
    
    print(f"Final resolved path: {current_path}")
    return current_path