????????easy_install???????nose
????1??????easy_install
????easy_install  ????python ????????????????????
????Easy Install ?????Python?????(easy_install)???? setuptools ?????????????????????????????????? Python ???
????1????????easy_install??????   http://pypi.python.org/pypi/setuptools
????2??python setup.py install
????2?????nose
??????????????????easy_install nose  ???   ????????
????nosetests  ***.py  ??????е??????μ?testcase??
?????????nosetests ?????????case???
????????????????????°???“Test”?????????????????????python???????Test????????????У?????case??г?????