mirror of
https://github.com/ansible-collections/community.general.git
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b64929118e
* stop passing loader/dataloader since it has been deprecated by ansible Signed-off-by: Martin Schurz <Martin.Schurz@t-systems.com> * add changelog fragment Signed-off-by: Martin Schurz <Martin.Schurz@t-systems.com> * explicitly pass None to keep compatibility to older Ansible versions Signed-off-by: Martin Schurz <Martin.Schurz@t-systems.com> * use try/except to keep things compatible Signed-off-by: Martin Schurz <Martin.Schurz@t-systems.com> * Update plugins/lookup/cartesian.py Co-authored-by: Felix Fontein <felix@fontein.de> * Update plugins/lookup/flattened.py Co-authored-by: Felix Fontein <felix@fontein.de> * Update plugins/lookup/flattened.py Co-authored-by: Felix Fontein <felix@fontein.de> * Update plugins/lookup/cartesian.py Co-authored-by: Felix Fontein <felix@fontein.de> * Update changelogs/fragments/6074-loader_in_listify.yml.yml Co-authored-by: Felix Fontein <felix@fontein.de> --------- Signed-off-by: Martin Schurz <Martin.Schurz@t-systems.com> Co-authored-by: Felix Fontein <felix@fontein.de>
87 lines
2.7 KiB
Python
87 lines
2.7 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (c) 2013, Bradley Young <young.bradley@gmail.com>
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# Copyright (c) 2017 Ansible Project
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# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
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# SPDX-License-Identifier: GPL-3.0-or-later
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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DOCUMENTATION = '''
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author: Unknown (!UNKNOWN)
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name: cartesian
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short_description: returns the cartesian product of lists
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description:
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- Takes the input lists and returns a list that represents the product of the input lists.
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- It is clearer with an example, it turns [1, 2, 3], [a, b] into [1, a], [1, b], [2, a], [2, b], [3, a], [3, b].
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You can see the exact syntax in the examples section.
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options:
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_terms:
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description:
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- a set of lists
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type: list
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elements: list
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required: true
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'''
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EXAMPLES = """
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- name: Example of the change in the description
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ansible.builtin.debug:
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msg: "{{ lookup('community.general.cartesian', [1,2,3], [a, b])}}"
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- name: loops over the cartesian product of the supplied lists
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ansible.builtin.debug:
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msg: "{{item}}"
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with_community.general.cartesian:
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- "{{list1}}"
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- "{{list2}}"
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- [1,2,3,4,5,6]
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"""
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RETURN = """
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_list:
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description:
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- list of lists composed of elements of the input lists
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type: list
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elements: list
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"""
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from itertools import product
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from ansible.errors import AnsibleError
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from ansible.plugins.lookup import LookupBase
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from ansible.utils.listify import listify_lookup_plugin_terms
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class LookupModule(LookupBase):
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"""
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Create the cartesian product of lists
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"""
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def _lookup_variables(self, terms):
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"""
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Turn this:
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terms == ["1,2,3", "a,b"]
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into this:
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terms == [[1,2,3], [a, b]]
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"""
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results = []
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for x in terms:
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try:
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intermediate = listify_lookup_plugin_terms(x, templar=self._templar)
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except TypeError:
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# The loader argument is deprecated in ansible-core 2.14+. Fall back to
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# pre-2.14 behavior for older ansible-core versions.
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intermediate = listify_lookup_plugin_terms(x, templar=self._templar, loader=self._loader)
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results.append(intermediate)
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return results
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def run(self, terms, variables=None, **kwargs):
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self.set_options(var_options=variables, direct=kwargs)
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terms = self._lookup_variables(terms)
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my_list = terms[:]
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if len(my_list) == 0:
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raise AnsibleError("with_cartesian requires at least one element in each list")
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return [self._flatten(x) for x in product(*my_list)]
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