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1import os 

2import errno 

3import sys 

4 

5 

6def _makedirs_31(path, exist_ok=False): 

7 try: 

8 os.makedirs(path) 

9 except OSError as exc: 

10 if not exist_ok or exc.errno != errno.EEXIST: 

11 raise 

12 

13 

14# rely on compatibility behavior until mode considerations 

15# and exists_ok considerations are disentangled. 

16# See https://github.com/pypa/setuptools/pull/1083#issuecomment-315168663 

17needs_makedirs = ( 

18 sys.version_info < (3, 2, 5) or 

19 (3, 3) <= sys.version_info < (3, 3, 6) or 

20 (3, 4) <= sys.version_info < (3, 4, 1) 

21) 

22makedirs = _makedirs_31 if needs_makedirs else os.makedirs