os.path.abspath(__file__)
: 返回当前py文件的绝对路径
os.path.dirname(__file__)
:当脚本以完整路径被运行时,返回该脚本所在完整路径;当脚本以相对路径被运行时,返回空字符串
直接运行py文件输出结果:
# test.py文件
import os
print(os.path.dirname(__file__))
print(os.path.abspath(__file__))
print(os.path.abspath(os.path.dirname(__file__)))
print(os.path.dirname(os.path.abspath(__file__)))
/usr/local/bin/python3.7 /Users/apple/PycharmProjects/python3_test/test.py
/Users/apple/PycharmProjects/python3_test
/Users/apple/PycharmProjects/python3_test/test.py
/Users/apple/PycharmProjects/python3_test
/Users/apple/PycharmProjects/python3_test
在终端运行上面py文件及结果:
appledeMacBook-Pro:python3_test apple$ python test.py
/Users/apple/PycharmProjects/python3_test/test.py
/Users/apple/PycharmProjects/python3_test
/Users/apple/PycharmProjects/python3_test