87 lines
3.0 KiB
Python
87 lines
3.0 KiB
Python
# Copyright 2017, David Wilson
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# 3. Neither the name of the copyright holder nor the names of its contributors
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# may be used to endorse or promote products derived from this software without
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# specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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from __future__ import absolute_import
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import os.path
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import sys
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try:
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import ansible_mitogen.connection
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except ImportError:
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base_dir = os.path.dirname(__file__)
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sys.path.insert(0, os.path.abspath(os.path.join(base_dir, '../../..')))
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del base_dir
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import ansible_mitogen.connection
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import ansible_mitogen.process
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if sys.version_info > (3,):
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viewkeys = dict.keys
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elif sys.version_info > (2, 7):
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viewkeys = dict.viewkeys
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else:
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viewkeys = lambda dct: set(dct)
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def dict_diff(old, new):
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"""
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Return a dict representing the differences between the dicts `old` and
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`new`. Deleted keys appear as a key with the value :data:`None`, added and
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changed keys appear as a key with the new value.
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"""
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old_keys = viewkeys(old)
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new_keys = viewkeys(dict(new))
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out = {}
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for key in new_keys - old_keys:
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out[key] = new[key]
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for key in old_keys - new_keys:
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out[key] = None
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for key in old_keys & new_keys:
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if old[key] != new[key]:
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out[key] = new[key]
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return out
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class Connection(ansible_mitogen.connection.Connection):
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transport = 'local'
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def get_default_cwd(self):
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# https://github.com/ansible/ansible/issues/14489
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return self.loader_basedir
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def get_default_env(self):
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"""
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Vanilla Ansible local commands execute with an environment inherited
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from WorkerProcess, we must emulate that.
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"""
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return dict_diff(
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old=ansible_mitogen.process.MuxProcess.original_env,
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new=os.environ,
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)
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