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annotate hgext/fsmonitor/pywatchman/encoding.py @ 51699:ca7bde5dbafb

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black: format the codebase with 23.3.0 The CI has moved to 23.3.0, which is the last version that supports 3.7 at runtime, so we should honor this change. # skip-blame mass-reformating only
author Rapha?l Gom?s <rgomes@octobus.net>
date Thu, 18 Jul 2024 12:36:12 +0200
parents 7f0cb9ee0534
children f4733654f144
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1 # Copyright 2016-present Facebook, Inc.
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2 # All rights reserved.
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3 #
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4 # Redistribution and use in source and binary forms, with or without
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5 # modification, are permitted provided that the following conditions are met:
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6 #
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7 # * Redistributions of source code must retain the above copyright notice,
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8 # this list of conditions and the following disclaimer.
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9 #
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10 # * Redistributions in binary form must reproduce the above copyright notice,
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11 # this list of conditions and the following disclaimer in the documentation
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12 # and/or other materials provided with the distribution.
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13 #
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14 # * Neither the name Facebook nor the names of its contributors may be used to
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15 # endorse or promote products derived from this software without specific
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16 # prior written permission.
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17 #
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18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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19 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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20 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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21 # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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22 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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23 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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24 # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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25 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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26 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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28
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29 import sys
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30
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31 from . import compat
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32
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33
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34 """Module to deal with filename encoding on the local system, as returned by
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35 Watchman."""
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36
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37
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38 if compat.PYTHON3:
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39 default_local_errors = "surrogateescape"
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40
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41 def get_local_encoding():
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42 if sys.platform == "win32":
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43 # Watchman always returns UTF-8 encoded strings on Windows.
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44 return "utf-8"
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45 # On the Python 3 versions we support, sys.getfilesystemencoding never
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46 # returns None.
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47 return sys.getfilesystemencoding()
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48
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49 else:
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50 # Python 2 doesn't support surrogateescape, so use 'strict' by
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51 # default. Users can register a custom surrogateescape error handler and use
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52 # that if they so desire.
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53 default_local_errors = "strict"
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54
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55 def get_local_encoding():
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56 if sys.platform == "win32":
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57 # Watchman always returns UTF-8 encoded strings on Windows.
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58 return "utf-8"
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59 fsencoding = sys.getfilesystemencoding()
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60 if fsencoding is None:
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61 # This is very unlikely to happen, but if it does, just use UTF-8
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62 fsencoding = "utf-8"
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63 return fsencoding
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64
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65
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66 def encode_local(s):
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67 return s.encode(get_local_encoding(), default_local_errors)
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68
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69
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70 def decode_local(bs):
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71 return bs.decode(get_local_encoding(), default_local_errors)