Mercurial > hgrepos > Python > libs > ConfigMix

annotate configmix/compat.py @ 284:4aaf74858d07

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Some links to AWS docu into the aws moduleSome links to AWS docu into the aws moduleSome links to AWS docu into the aws moduleSome links to AWS docu into the aws moduleSome links to AWS docu into the aws moduleSome links to AWS docu into the aws moduleSome links to AWS docu into the aws moduleSome links to AWS docu into the aws module
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 07 Dec 2020 01:59:11 +0100
parents ff964825a75a
children eed16a1ec8f3
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1 # -*- coding: utf-8 -*-
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2 # :-
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3 # :Copyright: (c) 2015-2020, Franz Glasner. All rights reserved.
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4 # :License: 3-clause BSD. See LICENSE.txt for details.
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5 # :-
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6 """Some minimal compatibility shim between Python2 and Python3
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8 """
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9
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10 from __future__ import division, absolute_import, print_function
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11
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13 __all__ = ["PY2",
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14 "text_to_native_os_str",
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15 "native_os_str_to_text",
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16 "u",
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17 "u2fs"]
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19
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20 import sys
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21 import os
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22 import locale
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25 PY2 = sys.version_info[0] <= 2
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28 if PY2:
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30 _OS_ENCODING = locale.getpreferredencoding()
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31
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32 _FS_ENCODING = sys.getfilesystemencoding() or _OS_ENCODING
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35 def text_to_native_os_str(s, encoding=None):
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36 if isinstance(s, unicode): # noqa: F821
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37 return s.encode(encoding or _OS_ENCODING)
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38 else:
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39 return s
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42 def native_os_str_to_text(s, encoding=None):
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43 return s.decode(encoding or _OS_ENCODING)
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46 def u(s, encoding="utf-8"):
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47 if isinstance(s, unicode): # noqa: F821
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48 return s
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49 else:
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50 return s.decode(encoding)
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53 def u2fs(s, force=False):
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54 """Convert a text (Unicode) string to the filesystem encoding.
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56 .. note:: The filesystem encoding on Python 3 is a Unicode text
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57 string. The function is a noop when called on Python 3.
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59 .. note:: If `s` is already a byte string be permissive and
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60 return `s` unchanged.
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62 """
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63 if isinstance(s, str):
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64 return s
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65 if not force and os.name in ("nt", "ce"):
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66 # WinNT and CE have native Unicode support: nothing to convert
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67 return s
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68 return s.encode(_FS_ENCODING)
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70 else:
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72 def text_to_native_os_str(s, encoding=None):
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73 return s
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76 def native_os_str_to_text(s, encoding=None):
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77 return s
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80 def u(s, encoding="utf-8"):
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81 if isinstance(s, str):
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82 return s
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83 else:
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84 return s.decode(encoding)
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87 def u2fs(s, force=False):
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88 """Convert a text (Unicode) string to the filesystem encoding.
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89
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90 .. note:: The filesystem encoding on Python 3 is a Unicode text
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91 string. The function is a noop when called on Python 3.
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93 .. note:: If `s` is already a byte string be permissive and
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94 return `s` unchanged.
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96 """
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97 assert isinstance(s, str)
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98 return s