# -*- coding: utf-8 -*-
"""
This script converts a string of Chinese characters (Hanzi) into Pinyin with tone marks.

Usage:
    python get_pinyin.py "你的汉字"

Example:
    python get_pinyin.py "你好"
    Expected output: nǐ hǎo
"""
import sys
from pypinyin import pinyin, Style

def get_pinyin(text):
    """
    Converts a string of Hanzi characters to a Pinyin string with tone marks.
    
    Args:
        text (str): The Hanzi string to convert.
        
    Returns:
        str: The resulting Pinyin string.
    """
    # The pinyin() function returns a list of lists, e.g., [['nǐ'], ['hǎo']]
    # We use a list comprehension to flatten it and then join the elements with a space.
    pinyin_list = pinyin(text, style=Style.TONE)
    return " ".join([item[0] for item in pinyin_list])

if __name__ == "__main__":
    # Check if a command-line argument was provided
    if len(sys.argv) > 1:
        # The first argument (sys.argv[0]) is the script name,
        # so the Hanzi text is the second argument (sys.argv[1]).
        hanzi_text = sys.argv[1]
        pinyin_output = get_pinyin(hanzi_text)
        print(pinyin_output)
    else:
        # If no argument is provided, print the usage instructions.
        print('Usage: python get_pinyin.py "你的汉字"')
        print('Example: python get_pinyin.py "你好"')