文件是否存在
os.path.exists(save_to_path+ '/0.png'):
删除
os.remove(save_to_path + '/0.png')
当前运行的脚本位置
run_path = os.path.split(os.path.realpath(__file__))[0]
获取磁盘信息
#!/usr/bin/env python
import subprocess
#Command 1
def uname_func():
uname="uname"
uname_arg="-a"
print "Gathering system information with %s command:\n" % uname
subprocess.call([uname,uname_arg])
#command 2
def disk_func():
diskspace = "df"
diskspace_arg="-h"
print "Gathering diskspace information %s command:\n" % diskspace
subprocess.call([diskspace,diskspace_arg])
def main():
uname_func()
disk_func()
main()