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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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from __future__ import print_function
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import os
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import platform
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import sys
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def create_dir(path):
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"""Creates a directory atomically."""
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try:
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os.makedirs(path)
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except OSError as exception:
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if exception.errno != errno.EEXIST:
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raise
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def is_linux():
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return platform.system() == 'Linux'
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def is_osx():
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return platform.system() == 'Darwin'
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def is_windows():
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return platform.system() == 'Windows'
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def move_file(src, dst):
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"""
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Atomically move file.
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Windows does not allow for atomic file renaming (which is used by
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os.rename / shutil.move) so destination paths must first be deleted.
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"""
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if is_windows() and os.path.exists(dst):
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# raises exception if file is in use on Windows
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os.remove(dst)
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shutil.move(src, dst)
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