def rgb2hex()

in chartify/_core/colour.py [0:0]

• 5 lines of code
• 4 McCabe index (conditional complexity)

def rgb2hex(rgb, force_long=False):
    """Transform RGB tuple to hex RGB representation

    :param rgb: RGB 3-uple of float between 0 and 1
    :rtype: 3 hex char or 6 hex char string representation

    Usage
    -----

    >>> from colour import rgb2hex

    >>> rgb2hex((0.0,1.0,0.0))
    '#0f0'

    Rounding try to be as natural as possible:

    >>> rgb2hex((0.0,0.999999,1.0))
    '#0ff'

    And if not possible, the 6 hex char representation is used:

    >>> rgb2hex((0.23,1.0,1.0))
    '#3bffff'

    >>> rgb2hex((0.0,0.999999,1.0), force_long=True)
    '#00ffff'

    """

    hx = "".join(["%02x" % int(c * 255 + 0.5 - FLOAT_ERROR) for c in rgb])

    if not force_long and hx[0::2] == hx[1::2]:
        hx = "".join(hx[0::2])

    return "#%s" % hx