Too many spaces?

[WGroleau]

I am still learning Chinese, so I typically take a text, use the Stanford segmenter, and then convert to pinyin.

The conversion adds an unnecessary space before and after each character, which means words identified in segmentation are broken up.

I would like it to not add spaces, but also to not change spaces already in the input.  If the package contains a way to do this, I couldn't find it in the documentation.

[EillesWan]

Sorry but if i have understood you correctly, what you're meaning is something like this:
Take an example, let the orignal sentence be “这是一个简单的句子。”;
and after the segmentation, it may be “这 是 一个 简单的 句子。”;
then convert to pinyin (using the CLI tool), it becomes “zhè shì yí gè jiǎn dān de jù zi 。”

Right?

This is because the command line tool added space between each part of the list which the pinyin lib had given.

You could use the script i wrote below to deal with the problem, it didnt add the space, but keeps the spaces already in the sentence.

from pypinyin import lazy_pinyin, Style
while line:=input(">>>"):
    print("".join(lazy_pinyin(line,style=Style.TONE)))

To run this code, you may copy it into a .txt file, rename the .txt file's extension to .py, and if you have already installed the “pypinyin” package, you could just run the code. After running and inputed a sentence, you may got this:

>>>这 是 一个 简单的 句子。
zhè shì yígè jiǎndānde jùzi。

[WGroleau]

You understood me correctly. I might try your code.  I did get it to work a different way, by using append instead of join, i.e.,

    result = []
    for char in text:
        # Check if the character is a Hanzi character
        if '\u4e00' <= char <= '\u9fff':
            # Convert Hanzi to Pinyin
            py = pinyin(char, style=Style.TONE)[0][0]
            result.append(py)
        else:
            # Preserve non-Hanzi characters (including spaces, punctuation, etc.)
            result.append(char)
    
    # Join the result without adding extra spaces
    return ''.join(result)

[EillesWan]

This method may work, but to iter each character may also let the words apart, and finally lead to incorrect pinyin, because one single character in Chinese may have different pronunciation in different words. Like:

>>>这 是 一个 简单的 句子。
zhè shì yígè jiǎndānde jùzi。
zhè shì yīgè jiǎndānde jùzi。

The first pinyin is correct marked.

The first pinyin of the sentence differ than the second, in the third word: “一个”. In Chinese we pronounce “一” in different tones, which depends on the the character following it.