The classifiers parameter to the Distutils setup() function is a list of strings. These strings are not freeform. All of your classifier strings should come from this master list on PyPI.
-☞The Python Package Index lets you browse packages by classifier. You can even select multiple classifiers to narrow your search. Classifiers are not invisible metadata that you can just ignore! +
☞The Python Package Index lets you browse packages by classifier. You can even select multiple classifiers to narrow your search. Classifiers are not invisible metadata that you can just ignore! They’re quite visible and very useful.
You should always include at least these four classifiers: