Source code for soma.safemkdir

# -*- coding: utf-8 -*-

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#      Institut Federatif de Recherche 49
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from __future__ import absolute_import
import os
import errno


[docs]def mkdir(dirname, mode=0o777): '''Same as os.mkdir, but try to prevent errors occurring from concurrent creation by several threads/processes. ''' try: os.mkdir(dirname, mode) except OSError as e: if e.errno != errno.EEXIST: raise # real error
# ignore EEXIST, job has already been done
[docs]def makedirs(dirname, mode=0o777): '''Same as os.makedirs, but try to prevent errors occurring from concurrent creation by several threads/processes. ''' ok = False while not ok: try: os.makedirs(dirname, mode) ok = True except OSError as e: if e.errno != errno.EEXIST: raise # real error # ignore EEXIST, job has already at least partially been done if os.path.exists(dirname): # completely done: OK ok = True
# otherwise try again.