abstract_static_method.py

from abc import ABC, abstractmethod

class DataFormatter(ABC):
    @staticmethod
    @abstractmethod
    def format_data(data):
        """Define a standard way to format data."""
        pass

class JSONFormatter(DataFormatter):
    @staticmethod
    def format_data(data):
        """Format data as JSON."""
        import json
        return json.dumps(data, ensure_ascii=False)

class CSVFormatter(DataFormatter):
    @staticmethod
    def format_data(data):
        """Format data as CSV."""
        import csv
        from io import StringIO
        output = StringIO()
        writer = csv.DictWriter(output, fieldnames=data[0].keys())
        writer.writeheader()
        writer.writerows(data)
        return output.getvalue()

# Usage example
if __name__ == "__main__":
    # Example data
    data_dict = {"name": "Alice", "age": 30, "city": "New York"}
    data_list = [
        {"name": "Alice", "age": 30, "city": "New York"},
        {"name": "Bob", "age": 25, "city": "Los Angeles"}
    ]

    # Format as JSON
    json_data = JSONFormatter.format_data(data_dict)
    print("JSON Formatted Data:")
    print(json_data)

    # Format as CSV
    csv_data = CSVFormatter.format_data(data_list)
    print("CSV Formatted Data:")
    print(csv_data)