Specify a position where the actual location occurs before it.
Arguments:
o position - The upper boundary of where the location can occur.
o extension - An optional argument which must be zero since we don't
have an extension. The argument is provided so that the same number of
arguments can be passed to all position types.
This is used to specify positions like (<10..100) where the location
occurs somewhere before position 10.
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Methods
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__init__
__str__
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__init__
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__init__ (
self,
position,
extension=0,
)
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Exceptions
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AttributeError( "Non-zero extension %s for exact position." % extension )
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__str__
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__str__ ( self )
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