- def AddSysPath(new_path):
- import sys, os
- # standardise
- new_path = os.path.abspath(new_path)
- # MS-Windows does not respect case
- if sys.platform == 'win32':
- new_path = new_path.lower()
- # disallow bad paths
- do = -1
- if os.path.exists(new_path):
- do = 1
- # check against all paths currently available
- for x in sys.path:
- x = os.path.abspath(x)
- if sys.platform == 'win32':
- x = x.lower()
- if new_path in (x, x + os.sep):
- do = 0
- # add path if we don't already have it
- if do:
- sys.path.append(new_path)
- pass
- return do
- if __name__ == '__main__':
- # test
- import sys
- print 'Before:'
- for x in sys.path:
- print x
- if sys.platform == 'win32':
- print AddSysPath('c:\\\\Temp')
- print AddSysPath('c:\\\\temp')
- else:
- print AddSysPath('usr/lib/my_modules')
- print 'After:'
- for x in sys.path:
- print x
- #该片段来自于http://www.codesnippet.cn/detail/031220137677.html
来源: http://www.codesnippet.cn/detail/031220137677.html