For code written in Python 2.7, please follow the PEP8 coding style.
For code written in C maybe for high performance, please follow The Official Git Coding Style by Linus Torvalds.
If you want to write some unit testing, please write them in the 'unittest' dir.
I don't like unit testing at all personally. I mean, if you really like it, do it, I won't oppose it.
Everything shoud be written in English, includes comments and documents.
Let's make all the code fast, clean, strong and beautiful.