Render Selected Writes with Individual Frame Ranges - renders each selected write node with the input frame range of that node instead of a single framerange.

render_writes_with_ranges.py

import nuke

# nuke.menu('Nuke').findItem('Render').addCommand('Render Selected with Ranges', 'render_writes_with_ranges.render()')

def render():
    gui_render = False
    write_nodes = nuke.selectedNodes()
    write_nodes.sort()
    # Get all writes and frame ranges
    writes = dict(zip([w for w in write_nodes], [w.frameRange() for w in write_nodes]))
    for write, frange in writes.iteritems():
        print "nuke --cont -F {0}-{1} -X {2} {3}".format(frange.first(), frange.last(), write.name(), nuke.root()['name'].value())
        if gui_render:
            nuke.executeMultiple([write,], ([frange.first(), frange.last(), 1],))