def include_in(self,dist):
if not self.available:<EOL><INDENT>raise DistutilsPlatformError(<EOL>self.description+"<STR_LIT>"<EOL>"<STR_LIT>"<EOL>)<EOL><DEDENT>dist.include(**self.extras)<EOL>for f in self.require_features:<EOL><INDENT>dist.include_feature(f)<EOL><DEDENT>
Ensure feature and its requirements are included in distribution

        You may override this in a subclass to perform additional operations on
        the distribution.  Note that this method may be called more than once
        per feature, and so should be idempotent.