Usage

To use uhlovodikovac, import it using

import uhlovodikovac

And than setup a variable, that will be your hydrocarbon

hydrocarbon = uhlovodikovac.HydroCarbon("butan")

To draw the image of you hydrocarbon use

hydrocarbon.draw()

If you want to save your image, use

with open("image.png", "wb") as f:
    f.write(hydrocarbon.draw().getbuffer())