(original) (raw)

\* is\_implemented : bool  
 True if the parameter is implemented for use. Some platforms  
 implement functions but can't support specific parameters  
 (e.g. "mode" for \`\`os.mkdir\`\`). Passing in an unimplemented  
 parameter may result in the parameter being ignored,  
 or in NotImplementedError being raised. It is intended that  
 all conditions where \`\`is\_implemented\`\` may be False be  
 thoroughly documented.  

I suppose that the value depends on the running platform? (For  
example, you may get a different value on Linux and Windows.)