python - Tkinter Label: How do I know that the text is too long for it? -

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let me explain. have label. fixed size. , i'd know if there way let me know whether text want display in label long it.

len() not since not characters of same width.

why ? have label next showing << when happens, solved len() thats not good.

you can use font_measure determine how many pixels required particular string in particular font on particular screen. 

... text="hello, world" default_font = tkfont.nametofont("tkdefaultfont") width = default_font.measure(text) height = default_font.metrics("linespace") ...

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