code: def find_cygwin_executables(cls):
          
          exe_paths = glob.glob(cls.cygwin_path + r'\*.exe')
          # print cls.cygwin_path
          # list all *.exe in  cygwin path, use glob
          for c in exe_paths:
              exe = c.split('\\')
              name = exe[1].split('.')[0]
              # command['windows'][name] = "{:}\{:}.exe".format(cygwin_path, c)
              cls.command['windows'][name] = c
docs: find the executables in cygwin