Mercurial > hg
annotate hgext/fsmonitor/pywatchman/compat.py @ 48875:6000f5b25c9b
py2: remove simple from __future__ statements
These were needed for Python 2 support. Now that our linter no longer
mandates these, we can start deleting them.
Differential Revision: https://phab.mercurial-scm.org/D12254
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Thu, 03 Mar 2022 17:34:00 +0100 |
parents | 6469c23a40a2 |
children | f58f955adad4 |
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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 # no unicode literals |
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30 |
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31 import sys |
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32 |
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33 |
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34 """Compatibility module across Python 2 and 3.""" |
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35 |
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36 |
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37 PYTHON2 = sys.version_info < (3, 0) |
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38 PYTHON3 = sys.version_info >= (3, 0) |
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39 |
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40 # This is adapted from https://bitbucket.org/gutworth/six, and used under the |
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41 # MIT license. See LICENSE for a full copyright notice. |
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42 if PYTHON3: |
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43 |
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44 def reraise(tp, value, tb=None): |
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45 try: |
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46 if value is None: |
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47 value = tp() |
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48 if value.__traceback__ is not tb: |
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49 raise value.with_traceback(tb) |
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50 raise value |
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51 finally: |
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52 value = None |
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53 tb = None |
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54 |
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55 |
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56 else: |
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57 exec( |
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58 """ |
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59 def reraise(tp, value, tb=None): |
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60 try: |
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61 raise tp, value, tb |
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62 finally: |
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63 tb = None |
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64 """.strip() |
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65 ) |
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66 |
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67 if PYTHON3: |
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68 UNICODE = str |
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69 else: |
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70 UNICODE = unicode # noqa: F821 We handled versioning above |