in static/downloads/ezt.py [0:0]
def _cmd_subst(self, (transforms, valref, args), fp, ctx, filename,
line_number):
fmt = _get_value(valref, ctx, filename, line_number)
parts = _re_subst.split(fmt)
for i in range(len(parts)):
piece = parts[i]
if i%2 == 1 and piece != '%':
idx = int(piece)
if idx < len(args):
piece = _get_value(args[idx], ctx, filename, line_number)
else:
piece = '<undef>'
for t in transforms:
piece = t(piece)
fp.write(piece)