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community.general/plugins/module_utils/mh/deco.py
patchback[bot] 0c2642aa2e
[PR #8766/c84fb557 backport][stable-9] MH deco: minor refactor (#8775)
MH deco: minor refactor (#8766)

* MH deco: minor refactor

* adjustments and improvement in test

* sanity fix

* use func.__self__

* simplify use of self

* add changelog frag

(cherry picked from commit c84fb5577b)

Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>
2024-08-17 18:12:16 +02:00

100 lines
3.3 KiB
Python

# -*- coding: utf-8 -*-
# (c) 2020, Alexei Znamensky <russoz@gmail.com>
# Copyright (c) 2020, Ansible Project
# Simplified BSD License (see LICENSES/BSD-2-Clause.txt or https://opensource.org/licenses/BSD-2-Clause)
# SPDX-License-Identifier: BSD-2-Clause
from __future__ import absolute_import, division, print_function
__metaclass__ = type
import traceback
from functools import wraps
from ansible_collections.community.general.plugins.module_utils.mh.exceptions import ModuleHelperException
def cause_changes(on_success=None, on_failure=None, when=None):
def deco(func):
@wraps(func)
def wrapper(self, *args, **kwargs):
try:
func(self, *args, **kwargs)
if on_success is not None:
self.changed = on_success
elif when == "success":
self.changed = True
except Exception:
if on_failure is not None:
self.changed = on_failure
elif when == "failure":
self.changed = True
raise
finally:
if when == "always":
self.changed = True
return wrapper
return deco
def module_fails_on_exception(func):
conflict_list = ('msg', 'exception', 'output', 'vars', 'changed')
@wraps(func)
def wrapper(self, *args, **kwargs):
def fix_var_conflicts(output):
result = dict([
(k if k not in conflict_list else "_" + k, v)
for k, v in output.items()
])
return result
try:
func(self, *args, **kwargs)
except ModuleHelperException as e:
if e.update_output:
self.update_output(e.update_output)
# patchy solution to resolve conflict with output variables
output = fix_var_conflicts(self.output)
self.module.fail_json(msg=e.msg, exception=traceback.format_exc(),
output=self.output, vars=self.vars.output(), **output)
except Exception as e:
# patchy solution to resolve conflict with output variables
output = fix_var_conflicts(self.output)
msg = "Module failed with exception: {0}".format(str(e).strip())
self.module.fail_json(msg=msg, exception=traceback.format_exc(),
output=self.output, vars=self.vars.output(), **output)
return wrapper
def check_mode_skip(func):
@wraps(func)
def wrapper(self, *args, **kwargs):
if not self.module.check_mode:
return func(self, *args, **kwargs)
return wrapper
def check_mode_skip_returns(callable=None, value=None):
def deco(func):
if callable is not None:
@wraps(func)
def wrapper_callable(self, *args, **kwargs):
if self.module.check_mode:
return callable(self, *args, **kwargs)
return func(self, *args, **kwargs)
return wrapper_callable
else:
@wraps(func)
def wrapper_value(self, *args, **kwargs):
if self.module.check_mode:
return value
return func(self, *args, **kwargs)
return wrapper_value
return deco