57 lines
2.2 KiB
Python
57 lines
2.2 KiB
Python
# (c) 2014, 2017 Toshio Kuratomi <tkuratomi@ansible.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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# Make coding more python3-ish
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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'''
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Compat selectors library. Python-3.5 has this builtin. The selectors2
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package exists on pypi to backport the functionality as far as python-2.6.
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'''
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# The following makes it easier for us to script updates of the bundled code
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_BUNDLED_METADATA = {"pypi_name": "selectors2", "version": "1.1.0", "version_constraints": ">1.0,<2.0"}
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# Added these bugfix commits from 2.1.0:
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# * https://github.com/SethMichaelLarson/selectors2/commit/3bd74f2033363b606e1e849528ccaa76f5067590
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# Wrap kqueue.control so that timeout is a keyword arg
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# * https://github.com/SethMichaelLarson/selectors2/commit/6f6a26f42086d8aab273b30be492beecb373646b
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# Fix formatting of the kqueue.control patch for pylint
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# * https://github.com/SethMichaelLarson/selectors2/commit/f0c2c6c66cfa7662bc52beaf4e2d65adfa25e189
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# Fix use of OSError exception for py3 and use the wrapper of kqueue.control so retries of
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# interrupted syscalls work with kqueue
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import os.path
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import sys
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try:
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# Python 3.4+
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import selectors as _system_selectors
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except ImportError:
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try:
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# backport package installed in the system
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import selectors2 as _system_selectors
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except ImportError:
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_system_selectors = None
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if _system_selectors:
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selectors = _system_selectors
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else:
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# Our bundled copy
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from . import _selectors2 as selectors
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sys.modules['ansible.compat.selectors'] = selectors
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