There are a few good ones ones like Pelican And Tinkerer. http://www.quora.com/What-are-some-good-blogging-software-written-in-Python/answer/Amit-Chaudhary htt

There are a few good ones ones like Pelican And Tinkerer. http://www.quora.com/What-are-some-good-blogging-software-written-in-Python/answer/Amit-Chaudhary http://www.quora.com/What-are-some-good-blogging-software-wr... As to the why, having a strong and viable alternative like WP discourages others and Py community does like creating their own software, see the number of alternatives to flask.