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1 from Convert import RatioConverter 2 3 # This is an example use of the RatioConverter superclass. See also 4 # the documentation of Converter and RatioConverter in ConvertScreenlet.py, for 5 # description of the variables, please.7 """A converter which converts lengths between centimeters and inches.""" 8 9 # These fields must be defined in every screenlet: 10 # __name__: the name of the class 11 __name__ = 'LengthConverter' 12 # __title__: a short description to be shown in the menu and Options dialog 13 __title__ = 'cm / inches' 14 # author and version - not currently shown anywhere 15 __author__ = 'Vasek Potocek' 16 __version__ = '0.2' 17 18 # the number of fields and their captions 19 num_fields = 2 20 field_names = ['cm', 'in'] 21 22 # The relative weights of the fields. Here, we set 1 for cm and 2.54 for an 23 # inch, meaning one inch is a unit 2.54 times larger than a centimeter. Note 24 # that the values will be in an inversed ratio. 25 weights = [1, 2.54]26
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