import six

def update_keys(keys):

"""Change keys we used to support to their new equivalent."""

updated_keys = list()

for key in keys:

if key in translations:

updated_keys += [translations[key]]

else:

updated_keys += [key]

return updated_keys

translations = dict(

scl="colorscale",

reversescl="reversescale"

)

def curtail_val_repr(val, max_chars, add_delim=False):

delim = ", "

end = ".."

if isinstance(val, six.string_types):

if max_chars <= len("'" + end + "'"):

return ' ' * max_chars

elif add_delim and max_chars <= len("'" + end + "'") + len(delim):

return "'" + end + "'" + ' ' * (max_chars - len("'" + end + "'"))

else:

if max_chars <= len(end):

return ' ' * max_chars

elif add_delim and max_chars <= len(end) + len(delim):

return end + ' ' * (max_chars - len(end))

if add_delim:

max_chars -= len(delim)

r = repr(val)

if len(r) > max_chars:

if isinstance(val, six.string_types):

# TODO: can we assume this ends in "'"

r = r[:max_chars - len(end + "'")] + end + "'"

elif isinstance(val, list) and max_chars >= len("[{end}]".format(end)):

r = r[:max_chars - len(end + ']')] + end + ']'

else:

r = r[:max_chars - len(end)] + end

if add_delim:

r += delim

return r