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74 lines
1.5 KiB
74 lines
1.5 KiB
#!/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_python2():
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return sys.version_info[0] > 2
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def is_python3():
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return sys.version_info[0] > 3
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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 decode(string, encoding=None, errors="strict"):
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"""
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Decoding step for Python 2 which does not default to unicode.
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"""
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if is_python2():
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return string
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else:
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if encoding is None:
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encoding = sys.getfilesystemencoding()
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return string.decode(encoding, errors)
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def unico(string):
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"""
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If Python 2, convert to a unicode object.
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"""
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print("custom unicode")
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if sys.version_info[0] > 2:
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return string
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else:
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return unicode(string)
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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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