import os
def findStringInFileName(s, d):
    for f in os.listdir(d):
        curfile = os.path.join(d, f)
        if s in f:
            print('fileName %s ,RelationPath %s' % (f, curfile))
        if os.path.isdir(curfile):
            findStringInFileName(s, curfile)

if __name__ == '__main__':
    findStringInFileName('py', '.')